cpp end

2

@@ -0,0 +1,56 @@
+#include "fastmath.hpp"
+#include "polygon.hpp"
+#include <QApplication>
+#include <QImage>
+#include <QLabel>
+#include <QPixmap>
+#include <iostream>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+// testing fastmath.h
+/*
+void test(vec<2> *in) {
+    vec<2> v = {{decimal(1.0), decimal(0.5)}};
+    in = &v;
+}*/
+
+int main(int argc, char *argv[]) {
+    vec3 v1 = vec3(5.0f, 40.0f, 2.0f);
+    vec3 v2 = vec3(5.0, 10.0, 2.2);
+    vec3 v3 = v1;
+    std::cout << v1 << v2 << decimal(0.5) * v2 << (v1 + v2) << v1 * v2 << "\n"
+              << v1.cross(v2) << v1.len() << "\n"
+              << v1.normalize() << std::endl;
+
+    decimal d = decimal(2.0f);
+    d += decimal(0.5);
+    std::cout << "\n"
+              << decimal(2.0) / decimal(-0.5) << "\n"
+              << decimal(2.0).sqrt() << "\n"
+              << d << std::endl;
+
+    polygon p = {vec3(0.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0), vec3(1.0, 0.0, 0.0)};
+    std::cout << p.contains(vec3(0.1, 0.1, 0.1)) << std::endl;
+
+    std::cout << matN<3>::identity() * v1 << std::endl;
+
+    // QApplication a(argc, argv);
+    //
+    // uint8_t *pixel = new uint8_t[64 * 64 * 3];
+    //
+    // for (int i = 1; i < 64 * 64 * 3; i += 3) {
+    //     pixel[i] = 255;
+    // }
+    //
+    // QWidget widget;
+    // widget.setAutoFillBackground(true);
+    // widget.setGeometry(0, 0, 500, 500);
+    // QLabel display(&widget);
+    // QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
+    // display.setPixmap(QPixmap::fromImage(img).scaled(widget.size()));
+    // widget.show();
+    // return a.exec();
+}

3dModels/fairyDust.obj

@@ -1,727 +0,0 @@
-# Blender 5.1.0
-# www.blender.org
-mtllib fairyDust.mtl
-o Cylinder.002
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-v 0.850645 -1.701308 0.618023 0.4368 0.6047 0.7887
-v 0.525738 -1.051475 1.618023 0.4368 0.6047 0.7887
-v 1.701296 -1.051472 0.000000 0.4368 0.6047 0.7887
-v 0.850645 -1.701308 -0.618023 0.4368 0.6047 0.7887
-v -1.051460 -1.701303 0.000000 0.4368 0.6047 0.7887
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-v -0.324911 -1.701309 -0.999991 0.4368 0.6047 0.7887
-v -1.376379 -1.051472 -0.999994 0.4368 0.6047 0.7887
-v 0.525738 -1.051475 -1.618023 0.4368 0.6047 0.7887
-v 1.902116 0.000000 0.618025 0.4368 0.6047 0.7887
-v 1.902116 0.000000 -0.618025 0.4368 0.6047 0.7887
-v 0.000000 0.000000 2.000000 0.4368 0.6047 0.7887
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-v -1.902116 0.000000 0.618025 0.4368 0.6047 0.7887
-v -1.175571 0.000000 1.618033 0.4368 0.6047 0.7887
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-v -1.902116 0.000000 -0.618025 0.4368 0.6047 0.7887
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-v 0.000000 0.000000 -2.000000 0.4368 0.6047 0.7887
-v 1.376379 1.051472 0.999994 0.4368 0.6047 0.7887
-v -0.525738 1.051475 1.618023 0.4368 0.6047 0.7887
-v -1.701296 1.051472 0.000000 0.4368 0.6047 0.7887
-v -0.525738 1.051475 -1.618023 0.4368 0.6047 0.7887
-v 1.376379 1.051472 -0.999994 0.4368 0.6047 0.7887
-v 0.324911 1.701309 0.999991 0.4368 0.6047 0.7887
-v 1.051460 1.701303 0.000000 0.4368 0.6047 0.7887
-v -0.850645 1.701308 0.618023 0.4368 0.6047 0.7887
-v -0.850645 1.701308 -0.618023 0.4368 0.6047 0.7887
-v 0.324911 1.701309 -0.999991 0.4368 0.6047 0.7887
-vn -0.0000 -1.0000 -0.0000
-vn 0.7236 -0.4472 0.5257
-vn -0.2764 -0.4472 0.8506
-vn -0.8944 -0.4472 -0.0000
-vn -0.2764 -0.4472 -0.8506
-vn 0.7236 -0.4472 -0.5257
-vn 0.2764 0.4472 0.8506
-vn -0.7236 0.4472 0.5257
-vn -0.7236 0.4472 -0.5257
-vn 0.2764 0.4472 -0.8506
-vn 0.8944 0.4472 -0.0000
-vn -0.0000 1.0000 -0.0000
-vn -0.1625 -0.8507 0.5000
-vn 0.4253 -0.8507 0.3090
-vn 0.2629 -0.5257 0.8090
-vn 0.8506 -0.5257 -0.0000
-vn 0.4253 -0.8507 -0.3090
-vn -0.5257 -0.8507 -0.0000
-vn -0.6882 -0.5257 0.5000
-vn -0.1625 -0.8507 -0.5000
-vn -0.6882 -0.5257 -0.5000
-vn 0.2629 -0.5257 -0.8090
-vn 0.9511 -0.0000 0.3090
-vn 0.9511 -0.0000 -0.3090
-vn -0.0000 -0.0000 1.0000
-vn 0.5878 -0.0000 0.8090
-vn -0.9511 -0.0000 0.3090
-vn -0.5878 -0.0000 0.8090
-vn -0.5878 -0.0000 -0.8090
-vn -0.9511 -0.0000 -0.3090
-vn 0.5878 -0.0000 -0.8090
-vn -0.0000 -0.0000 -1.0000
-vn 0.6882 0.5257 0.5000
-vn -0.2629 0.5257 0.8090
-vn -0.8506 0.5257 -0.0000
-vn -0.2629 0.5257 -0.8090
-vn 0.6882 0.5257 -0.5000
-vn 0.1625 0.8507 0.5000
-vn 0.5257 0.8507 -0.0000
-vn -0.4253 0.8507 0.3090
-vn -0.4253 0.8507 -0.3090
-vn 0.1625 0.8507 -0.5000
-vt 0.181819 0.000000
-vt 0.227273 0.078731
-vt 0.136365 0.078731
-vt 0.272728 0.157461
-vt 0.318182 0.078731
-vt 0.363637 0.157461
-vt 0.909091 0.000000
-vt 0.954545 0.078731
-vt 0.863636 0.078731
-vt 0.727273 0.000000
-vt 0.772727 0.078731
-vt 0.681818 0.078731
-vt 0.545455 0.000000
-vt 0.590909 0.078731
-vt 0.500000 0.078731
-vt 0.318182 0.236191
-vt 0.090910 0.157461
-vt 0.181819 0.157461
-vt 0.136365 0.236191
-vt 0.818182 0.157461
-vt 0.909091 0.157461
-vt 0.863636 0.236191
-vt 0.636364 0.157461
-vt 0.727273 0.157461
-vt 0.681818 0.236191
-vt 0.454546 0.157461
-vt 0.545455 0.157461
-vt 0.500000 0.236191
-vt 0.227273 0.236191
-vt 0.045455 0.236191
-vt 0.772727 0.236191
-vt 0.590909 0.236191
-vt 0.409092 0.236191
-vt 0.181819 0.314921
-vt 0.272728 0.314921
-vt 0.227273 0.393651
-vt 0.000000 0.314921
-vt 0.090910 0.314921
-vt 0.045455 0.393651
-vt 0.727273 0.314921
-vt 0.818182 0.314921
-vt 0.772727 0.393651
-vt 0.545455 0.314921
-vt 0.636364 0.314921
-vt 0.590909 0.393651
-vt 0.363637 0.314921
-vt 0.454546 0.314921
-vt 0.409092 0.393651
-vt 0.500000 0.393651
-vt 0.454546 0.472382
-vt 0.681818 0.393651
-vt 0.636364 0.472382
-vt 0.863636 0.393651
-vt 0.818182 0.472382
-vt 0.909091 0.314921
-vt 0.136365 0.393651
-vt 0.090910 0.472382
-vt 0.318182 0.393651
-vt 0.272728 0.472382
-vt 0.954545 0.236191
-vt 1.000000 0.157461
-vt 0.409092 0.078731
-vt 0.363637 0.000000
-s 1
-usemtl Material.001
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CMakeLists.txt

@@ -14,9 +14,3 @@ add_executable(one src/main.c)
 
 # target_link_libraries(one m Qt6::Widgets Qt6::Gui)
 target_link_libraries(one m)
-
-target_compile_options(one PRIVATE
-  -O3
-    -march=native
-    -ffast-math
-)

MainWindow.hpp

@@ -0,0 +1,32 @@
+#include <QImage>
+#include <QKeyEvent>
+#include <QLabel>
+#include <QObject>
+#include <QPixmap>
+#include <QTimer>
+#include <QWidget>
+#include <iostream>
+
+class MainWindow : public QWidget {
+  public:
+    std::function<void(QKeyEvent *)> keyDownCallBack;
+
+    MainWindow() : display(QLabel(this)) {
+        setAutoFillBackground(true);
+        setGeometry(0, 0, 500, 500);
+        display.setFocusPolicy(Qt::StrongFocus);
+    }
+
+    void updateLabel(uint8_t *pixel) {
+        QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
+        display.setPixmap(QPixmap::fromImage(img).scaled(size() * 1));
+    }
+
+    void keyPressEvent(QKeyEvent *e) {
+        keyDownCallBack(e);
+        QWidget::keyPressEvent(e);
+    }
+
+  private:
+    QLabel display;
+};

beziercurve.hpp

@@ -0,0 +1,11 @@
+#include "fastmath.hpp"
+
+template <class T>
+T calcHandels(const T curr, const T prev, const T next, T &left, T &right) {
+    T prev
+}
+
+template <class T> T bezierCurve(T a, T ad, T b, T bd, float t) {
+    return std::pow(1 - t, 3.0) * a + 3 * std::pow(1 - t, 2.0) * t * ad +
+           3 * (1 - t) * std::pow(t, 2.0) * bd + std::pow(t, 3.0) * b;
+}

fastmath.hpp

@@ -0,0 +1,425 @@
+#ifndef FASTMATH_H
+#define FASTMATH_H
+
+#include <iostream>
+#include <math.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <vector>
+#define SHIFT_AMOUNT 16
+#define HALF_SHIFT (SHIFT_AMOUNT / 2)
+
+#define SHIFT_MASK ((1 << SHIFT_AMOUNT) - 1)
+#define TO_FLOAT(x)                                                            \
+    (((float)(x >> SHIFT_AMOUNT)) +                                            \
+     ((double)(x & SHIFT_MASK) / (1 << SHIFT_AMOUNT)))
+#define TO_INT(x) ((int32_t)(x * (1 << SHIFT_AMOUNT)))
+#define MUL_F(a, b) (((a) >> HALF_SHIFT) * ((b) >> HALF_SHIFT))
+#define DIV_F(a, b) ((((a) << HALF_SHIFT) / (b)) << HALF_SHIFT)
+
+struct decimal {
+
+    int32_t i;
+    constexpr decimal() = default;
+    // constexpr decimal() : i(0) {}
+    constexpr decimal(float i) : i(TO_INT(i)) {}
+    constexpr decimal(double i) : i(TO_INT(i)) {}
+    constexpr decimal(int32_t i) : i(i) {}
+
+    inline friend std::ostream &operator<<(std::ostream &os, const decimal &d) {
+        return (os << TO_FLOAT(d.i));
+    }
+
+    inline friend decimal operator+(const decimal &d1, const decimal &d2) {
+        return {d1.i + d2.i};
+    }
+    inline decimal &operator+=(const decimal &d) { return (*this) = {i + d.i}; }
+
+    inline decimal &operator-=(const decimal &d) { return (*this) = {i - d.i}; }
+
+    inline friend decimal operator-(const decimal &d1, const decimal &d2) {
+        return {d1.i - d2.i};
+    }
+    inline friend decimal operator-(const decimal &d) { return {-d.i}; }
+
+    inline friend decimal operator*(const decimal &d1, const decimal &d2) {
+        return {MUL_F(d1.i, d2.i)};
+    }
+
+    inline decimal &operator*=(const decimal &d) {
+        return (*this) = {MUL_F(i, d.i)};
+    }
+
+    inline friend decimal operator/(const decimal &d1, const decimal &d2) {
+        return {DIV_F(d1.i, d2.i)};
+    }
+
+    inline friend bool operator<(const decimal &d1, const decimal &d2) {
+        return d1.i < d2.i;
+    }
+
+    inline friend bool operator>(const decimal &d1, const decimal &d2) {
+        return d1.i > d2.i;
+    }
+    inline friend bool operator<=(const decimal &d1, const decimal &d2) {
+        return d1.i <= d2.i;
+    }
+    inline friend bool operator>=(const decimal &d1, const decimal &d2) {
+        return d1.i >= d2.i;
+    }
+
+    inline friend bool operator==(const decimal &d1, const decimal &d2) {
+        return d1.i == d2.i;
+    }
+    inline friend bool operator!=(const decimal &d1, const decimal &d2) {
+        return d1.i != d2.i;
+    }
+
+    inline decimal sqrt() { return {((int32_t)sqrtf(i)) << HALF_SHIFT}; }
+
+    inline float to_float() { return TO_FLOAT(i); }
+    inline bool isSmall() { return (abs(i) < (1 << (HALF_SHIFT - 1))); }
+};
+
+template <int n, class Dev> struct vec {
+
+    decimal v[n];
+
+    constexpr vec() noexcept = default;
+
+    template <class... Args>
+    constexpr vec(Args... args) noexcept : v{static_cast<decimal>(args)...} {
+        static_assert(sizeof...(Args) == n, "Wrong number of elements for vec");
+    }
+
+    friend Dev operator+(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        Dev newV;
+
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = v1.v[i] + v2.v[i];
+        }
+        return newV;
+    }
+    friend Dev operator+=(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        Dev newV;
+
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = v1.v[i] + v2.v[i];
+        }
+        return newV;
+    }
+    friend Dev operator-=(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        Dev newV;
+
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = v1.v[i] - v2.v[i];
+        }
+        return newV;
+    }
+
+    friend Dev operator-(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        Dev newV;
+
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = v1.v[i] - v2.v[i];
+        }
+        return newV;
+    }
+
+    friend std::ostream &operator<<(std::ostream &os, const vec<n, Dev> &v) {
+        os << "(" << v.v[0];
+        for (int i = 1; i < n; i++) {
+            os << ", " << v.v[i];
+        }
+        return (os << ")" << std::endl);
+    }
+
+    Dev operator-() {
+        Dev newV;
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = -v[i];
+        }
+        return newV;
+    }
+
+    friend Dev operator*(const vec<n, Dev> &v, const decimal &d) {
+        int32_t f = d.i >> HALF_SHIFT;
+
+        Dev newV;
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = (v.v[i].i >> HALF_SHIFT) * f;
+        }
+        return newV;
+    }
+    static Dev max(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        Dev newV;
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = std::max(v1.v[i], v2.v[i]);
+        }
+        return newV;
+    }
+    static Dev min(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        Dev newV;
+        for (int i = 0; i < n; i++) {
+            newV.v[i] = std::min(v1.v[i], v2.v[i]);
+        }
+        return newV;
+    }
+
+    friend Dev operator*(const decimal &d, const vec<n, Dev> &v) {
+        return v * d;
+    }
+
+    friend decimal operator*(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        decimal res = decimal(0.0f);
+        for (int i = 0; i < n; i++) {
+            res += v1.v[i] * v2.v[i];
+        }
+        return res;
+    }
+
+    friend bool operator==(const vec<n, Dev> &v1, const vec<n, Dev> &v2) {
+        bool res = true;
+        for (int i = 0; i < n; i++) {
+            res &= v1.v[i] == v2.v[i];
+        }
+        return res;
+    }
+    bool isSmall() {
+        for (int i = 0; i < n; i++) {
+            if (!v[i].isSmall())
+                return false;
+        }
+        return true;
+    }
+    decimal &operator[](const int &i) { return v[i]; }
+
+    decimal len_sq() { return *this * *this; }
+
+    decimal len() { return this->len_sq().sqrt(); }
+
+    Dev normalize() {
+        decimal f = decimal(1.0) / this->len();
+        return (*this * f);
+    }
+
+    constexpr static Dev zero() {
+        Dev newV;
+        for (int i = 0; i < n; i++) {
+            newV[i] = decimal(0);
+        }
+        return newV;
+    }
+};
+struct vec2 : public vec<2, vec2> {
+
+    vec2() : vec<2, vec2>() {};
+
+    vec2(float x, float y) : vec<2, vec2>(decimal(x), decimal(y)) {}
+
+    vec2(double x, double y) : vec<2, vec2>(decimal(x), decimal(y)) {}
+
+    vec2(int32_t x, int32_t y) : vec<2, vec2>(decimal(x), decimal(y)) {}
+
+    vec2(decimal x, decimal y) : vec<2, vec2>(x, y) {}
+
+    template <class origVec> vec2(origVec v) : vec<2, vec2>(v.v[0], v.v[1]) {}
+
+    decimal &x() { return v[0]; }
+    decimal &y() { return v[1]; }
+};
+struct vec3 : public vec<3, vec3> {
+
+    constexpr vec3() : vec<3, vec3>() {}
+
+    constexpr vec3(float x, float y, float z)
+        : vec<3, vec3>(decimal(x), decimal(y), decimal(z)) {}
+
+    constexpr vec3(double x, double y, double z)
+        : vec<3, vec3>(decimal(x), decimal(y), decimal(z)) {}
+
+    constexpr vec3(int32_t x, int32_t y, int32_t z)
+        : vec<3, vec3>(decimal(x), decimal(y), decimal(z)) {}
+
+    constexpr vec3(decimal x, decimal y, decimal z) : vec<3, vec3>(x, y, z) {}
+
+    inline decimal &x() { return v[0]; }
+    inline decimal &y() { return v[1]; }
+    inline decimal &z() { return v[2]; }
+
+    inline vec3 cross(vec3 &v) {
+        return vec3((y() * v.z()) - (z() * v.y()),
+                    (z() * v.x()) - (x() * v.z()),
+                    (x() * v.y()) - (y() * v.x()));
+    }
+};
+struct vec4 : public vec<4, vec4> {
+
+    constexpr vec4() : vec<4, vec4>() {}
+
+    vec4(float x, float y, float z, float w)
+        : vec<4, vec4>(decimal(x), decimal(y), decimal(z), decimal(w)) {}
+
+    vec4(double x, double y, double z, double w)
+        : vec<4, vec4>(decimal(x), decimal(y), decimal(z), decimal(w)) {}
+
+    vec4(int32_t x, int32_t y, int32_t z, int32_t w)
+        : vec<4, vec4>(decimal(x), decimal(y), decimal(z), decimal(w)) {}
+
+    vec4(vec3 v, decimal w) : vec<4, vec4>(v.x(), v.y(), v.z(), w) {}
+
+    decimal &x() { return v[0]; }
+    decimal &y() { return v[1]; }
+    decimal &z() { return v[2]; }
+    decimal &w() { return v[3]; }
+};
+
+template <int n, class Dev> struct mat {
+    decimal m[n * n];
+
+    static const int size = n;
+    friend Dev operator+(const mat<n, Dev> &m1, const mat<n, Dev> &m2) {
+        Dev newM = {};
+
+        for (int i = 0; i < n * n; i++) {
+            newM.v[i] = m1.m[i] + m2.m[i];
+        }
+        return newM;
+    }
+    friend Dev operator+=(const mat<n, Dev> &m1, const mat<n, Dev> &m2) {
+        Dev newM = {};
+
+        for (int i = 0; i < n * n; i++) {
+            newM.m[i] = m1.m[i] + m2.m[i];
+        }
+        return newM;
+    }
+
+    friend Dev operator-(const mat<n, Dev> &m1, const mat<n, Dev> &m2) {
+        Dev newM = {};
+
+        for (int i = 0; i < n * n; i++) {
+            newM.m[i] = m1.m[i] - m2.m[i];
+        }
+        return newM;
+    }
+
+    friend std::ostream &operator<<(std::ostream &os, const mat<n, Dev> &m) {
+        for (int i = 0; i < n; i++) {
+            os << "|" << m.m[i * n];
+            for (int j = 1; j < n; j++) {
+                os << ", " << m.m[i * n + j];
+            }
+            os << "|" << "\n";
+        }
+        return (os << std::endl);
+    }
+
+    template <class Dev1>
+    friend Dev1 operator*(const mat<n, Dev> &mat, const vec<n, Dev1> &v) {
+        Dev1 newV = vec<n, Dev1>::zero();
+        for (int i = 0; i < n; i++) {
+            for (int j = 0; j < n; j++) {
+                newV[i] += mat.m[i * n + j] * v.v[j];
+            }
+        }
+        return newV;
+    }
+
+    decimal &operator[](const int &i) { return m[i]; }
+
+    friend Dev operator*(const mat<n, Dev> &m1, const mat<n, Dev> &m2) {
+        Dev newM = mat<n, Dev>::zero();
+        for (int i = 0; i < n; i++) {
+            for (int j = 0; j < n; j++) {
+                for (int k = 0; k < n; k++) {
+                    newM[i * n + j] += m1.m[i * n + k] * m2.m[k * n + j];
+                }
+            }
+        }
+        return newM;
+    }
+
+    constexpr static Dev identity() {
+        Dev newM = {};
+        for (int i = 0; i < n; i++) {
+            for (int j = 0; j < n; j++) {
+                if (i == j)
+                    newM.m[i * n + i] = decimal(1.0f);
+                else
+                    newM.m[i * n + j] = decimal(0.0f);
+            }
+        }
+        return newM;
+    }
+    constexpr static Dev zero() {
+        Dev newM = {};
+        for (int i = 0; i < n * n; i++) {
+            newM[i] = decimal(0);
+        }
+        return newM;
+    }
+
+    inline void set(int x, int y, decimal v) { m[y * n + x] = v; }
+    inline decimal get(int x, int y) { return m[y * n + x]; }
+
+    friend bool operator==(const mat<n, Dev> &m1, const mat<n, Dev> &m2) {
+        bool res = true;
+        for (int i = 0; i < n * n; i++) {
+            res &= m1.m[i] == m2.m[i];
+        }
+        return res;
+    }
+    bool isSmall() {
+        for (int i = 0; i < n; i++) {
+            if (!m[i].isSmall())
+                return false;
+        }
+        return true;
+    }
+
+    template <class Dev1> Dev1 cutTo() const {
+        static_assert(Dev1::size < n, "Can only convert to smaller matrix");
+        Dev1 newM = mat<Dev1::size, Dev1>::zero();
+        for (int i = 0; i < Dev1::size; i++) {
+            for (int j = 0; j < Dev1::size; j++) {
+                newM.m[Dev1::size * i + j] = m[n * i + j];
+            }
+        }
+        return newM;
+    }
+};
+
+template <int n> struct matN : public mat<n, matN<n>> {};
+
+struct mat3 : public mat<3, mat3> {};
+
+struct mat4 : public mat<4, mat4> {
+    static mat4 translation(const vec3 &v) {
+        mat4 newM = mat4::identity();
+        for (int i = 0; i < 3; i++) {
+            newM[4 * i + 3] = v.v[i];
+        }
+        return newM;
+    }
+    static mat4 rotateOnX(float a) {
+        mat4 newM = mat4::identity();
+        newM.m[1 * 4 + 1] = cos(a), newM.m[2 * 4 + 2] = cos(a);
+        newM.m[1 * 4 + 2] = -sin(a), newM.m[2 * 4 + 1] = sin(a);
+        return newM;
+    }
+    static mat4 rotateOnY(float a) {
+        mat4 newM = mat4::identity();
+        newM.m[0 * 4 + 0] = cos(a), newM.m[2 * 4 + 2] = cos(a);
+        newM.m[0 * 4 + 2] = sin(a), newM.m[2 * 4 + 0] = -sin(a);
+        return newM;
+    }
+    static mat4 rotateOnZ(float a) {
+        mat4 newM = mat4::identity();
+        newM.m[0 * 4 + 0] = cos(a), newM.m[1 * 4 + 1] = cos(a);
+        newM.m[1 * 4 + 0] = sin(a), newM.m[0 * 4 + 1] = -sin(a);
+        return newM;
+    }
+};
+
+#endif

main.cpp

@@ -0,0 +1,150 @@
+#include "MainWindow.hpp"
+#include "fastmath.hpp"
+#include "plane.hpp"
+#include "polygon.hpp"
+#include "renderer.hpp"
+#include "rendertarget.hpp"
+#include "testModel.hpp"
+#include <QApplication>
+#include <chrono>
+#include <functional>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#define HIGHT 64
+#define WIDTH 64
+
+#define FAA_FAC 2
+#define RHIGHT ((int)(HIGHT * FAA_FAC))
+#define RWIDTH ((int)(WIDTH * FAA_FAC))
+
+char *drawToString(unsigned short *img) {
+    char *textImg = (char *)malloc(200000 * sizeof(char));
+    // strcat(textImg,"\e[1;1H\e[2J"); --clear
+    for (int y = 0; y < HIGHT; y++) {
+        for (int x = 0; x < WIDTH; x++) {
+            // printf("%d,%d\n",x,y);
+            char buff[20];
+            unsigned short val = 0;
+            int my = y * FAA_FAC;
+            int mx = x * FAA_FAC;
+            val += img[my * RWIDTH + mx];
+            val += img[my * RWIDTH + mx + 1];
+            val += img[(my + 1) * RWIDTH + mx];
+            val += img[(my + 1) * RWIDTH + mx + 1];
+            sprintf(buff, "\033[38;5;%dm██\033[0m", 232 + val / 4);
+            strcat(textImg, buff);
+        }
+        strcat(textImg, "\n");
+    }
+    return textImg;
+}
+
+int main(int argc, char *argv[]) {
+    Rendertarget target(128, 128);
+    Renderer renderer;
+    renderer.target = &target;
+
+    std::chrono::steady_clock::time_point begin =
+        std::chrono::steady_clock::now();
+    renderer.render(&testModel, mat4::translation(vec3(0.0f, -1.0f, 5.0f)) *
+                                    mat4::rotateOnY(-1.5707963267948966f));
+    std::chrono::steady_clock::time_point end =
+        std::chrono::steady_clock::now();
+
+    std::cout << "Time difference = "
+              << std::chrono::duration_cast<std::chrono::milliseconds>(end -
+                                                                       begin)
+                     .count()
+              << "[ms]" << std::endl;
+
+    uint8_t *pixel = new uint8_t[64 * 64 * 3];
+    /*for (int i = 0; i < 64 * 64 * 3; i++) {
+        pixel[i] = target.pixels[i].i >> SHIFT_AMOUNT;
+    }*/
+    std::function<void(int, uint32_t *)> addTo = [&target](int start,
+                                                           uint32_t *arr) {
+        for (int c = 0; c < 3; c++) {
+            arr[c] += target.pixels[start + c];
+        }
+    };
+    vec3 pos;
+
+    QApplication a(argc, argv);
+    MainWindow widget;
+    widget.setWindowTitle("SoftwareRenderer");
+
+    // display.setPixmap(QPixmap::fromImage(img).scaled(widget.size()));
+    auto keyEvent = [&pos](QKeyEvent *e) {
+        decimal step = decimal(0.5);
+        switch (e->key()) {
+        case Qt::Key_W:
+            pos.z() += step;
+            break;
+        case Qt::Key_S:
+            pos.z() -= step;
+            break;
+        case Qt::Key_A:
+            pos.x() += step;
+            break;
+        case Qt::Key_D:
+            pos.x() -= step;
+            break;
+        }
+    };
+    widget.keyDownCallBack = keyEvent;
+
+    float rot = 0.f;
+    std::function<void()> renderLoop = [&addTo, &target, &pixel, &renderer,
+                                        &widget, &rot, &pos]() {
+        std::chrono::steady_clock::time_point begin =
+            std::chrono::steady_clock::now();
+
+        target.clearDepth();
+        target.clearTarget();
+
+        // renderer.render(&testModel, mat4::translation(vec3(0.0f,
+        // -1.0f, 5.0f)) *
+        //                                 mat4::rotateOnY(rot));
+        // renderer.render(&testModel, mat4::translation(vec3(1.0f,
+        // -1.0f, 7.0f)) *
+        //                                 mat4::rotateOnY(rot));
+        renderer.render(&plane, mat4::translation(pos));
+        std::chrono::steady_clock::time_point end =
+            std::chrono::steady_clock::now();
+
+        std::cout << "Time difference = "
+                  << std::chrono::duration_cast<std::chrono::milliseconds>(
+                         end - begin)
+                         .count()
+                  << "[ms]" << std::endl;
+
+        for (int x = 0; x < 64; x++) {
+            for (int y = 0; y < 64; y++) {
+                uint32_t result[3] = {};
+                addTo((target.width * y * 2 + x * 2) * 3, result);
+                addTo((target.width * (y * 2 + 1) + x * 2) * 3, result);
+                addTo((target.width * y * 2 + (x * 2 + 1)) * 3, result);
+                addTo((target.width * (y * 2 + 1) + (x * 2 + 1)) * 3, result);
+                for (int c = 0; c < 3; c++) {
+                    pixel[(WIDTH * (WIDTH - y - 1) + WIDTH - x - 1) * 3 + c] =
+                        result[c] >> 2;
+                }
+            }
+        }
+        // QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
+        widget.updateLabel(pixel);
+
+        rot += 0.1f;
+    };
+    renderLoop();
+    widget.show();
+    QTimer timer;
+    timer.setInterval(20);
+    timer.start();
+    QObject::connect(&timer, &QTimer::timeout, &widget, renderLoop);
+    return a.exec();
+}

mathTest.cpp

@@ -0,0 +1,63 @@
+#include "fastmath.hpp"
+#include "polygon.hpp"
+#include <QApplication>
+#include <QImage>
+#include <QLabel>
+#include <QPixmap>
+#include <iostream>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+// testing fastmath.h
+/*
+void test(vec<2> *in) {
+    vec<2> v = {{decimal(1.0), decimal(0.5)}};
+    in = &v;
+}*/
+
+int main(int argc, char *argv[]) {
+    vec3 v1 = vec3(5.0f, 40.0f, 2.0f);
+    vec3 v2 = vec3(5.0, 10.0, 2.2);
+    vec3 v3 = v1;
+    std::cout << v1 << v2 << decimal(0.5) * v2 << (v1 + v2) << v1 * v2 << "\n"
+              << v1.cross(v2) << v1.len() << "\n"
+              << v1.normalize() << std::endl;
+
+    decimal d = decimal(2.0f);
+    d += decimal(0.5);
+    std::cout << "\n"
+              << decimal(2.0) / decimal(-0.5) << "\n"
+              << decimal(2.0).sqrt() << "\n"
+              << d << std::endl;
+
+    polygon p = {vec3(0.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0), vec3(1.0, 0.0, 0.0)};
+    std::cout << p.contains(vec3(0.1, 0.1, 0.1)) << std::endl;
+
+    mat4 m = mat4::translation({2.0f, 3.0f, 5.0f});
+
+    std::cout << matN<3>::identity() * v1 << std::endl;
+    std::cout << m << std::endl;
+    std::cout << mat4::identity().cutTo<mat3>() << std::endl;
+    std::cout << m * vec4(v1, decimal(1.0f)) << std::endl;
+    std::cout << mat4::rotateOnX(1.5707f) * vec4(1.f, 0.f, 0.f, 0.f)
+              << std::endl;
+
+    // QApplication a(argc, argv);
+    //
+    // uint8_t *pixel = new uint8_t[64 * 64 * 3];
+    //
+    // for (int i = 1; i < 64 * 64 * 3; i += 3) {
+    //     pixel[i] = 255;
+    // }
+    //
+    // QWidget widget;
+    // widget.setAutoFillBackground(true);
+    // widget.setGeometry(0, 0, 500, 500);
+    // QLabel display(&widget);
+    // QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
+    // display.setPixmap(QPixmap::fromImage(img).scaled(widget.size()));
+    // widget.show();
+    // return a.exec();
+}

model.hpp

@@ -0,0 +1,16 @@
+
+#ifndef MODEL_H
+#define MODEL_H
+
+#include "fastmath.hpp"
+#include <tuple>
+#include <vector>
+struct model {
+    std::vector<vec3> verts;
+    // At 0 vertecie index, at 1 normal index
+    std::vector<std::tuple<uint16_t, uint16_t>> faces;
+    std::vector<vec3> normals;
+    std::vector<vec3> colors;
+};
+
+#endif

parseObj.py

@@ -1,52 +1,45 @@
-#!/usr/bin/env python3
+# Open the file in read mode
+file = open("plane.obj", "r")
 
-import os
+# Read the entire content of the file
+content = file.read().split("\n")
 
-dir_name = "3dModels/"
+file.close()
 
-
+startVerts = 0
-def source_model(file_name: str):
+verts = []
-    # Open the file in read mode
+for index, line in enumerate(content):
-    file = open(dir_name + file_name + ".obj", "r")
-
-    # Read the entire content of the file
-    content = file.read().split("\n")
-
-    file.close()
-
-    startVerts = 0
-    verts = []
-    for index, line in enumerate(content):
     if line[0] == "o":
         startVerts = index + 1
         content = content[startVerts:]
         break
 
-    for index, line in enumerate(content):
+for index, line in enumerate(content):
     if "vn" in line:
         endVerts = index
         verts = content[:endVerts]
         content = content[endVerts:]
         break
 
-    normals = []
+
-    for index, line in enumerate(content):
+normals = []
+for index, line in enumerate(content):
     if "vt" in line:
         normals = content[:index]
         content = content[index:]
         break
 
-    startFaces = 0
+startFaces = 0
-    faces = []
+faces = []
-    for index, line in enumerate(content):
+for index, line in enumerate(content):
     if line[0] == "f":
         startFaces = index
         faces = content[startFaces:-1]
         break
 
-    colors = ["{" + ",".join(vert.split(" ")[4:7]) + "}" for vert in verts]
+colors = ["{" + ",".join(vert.split(" ")[4:7]) + "}" for vert in verts]
-    verts = ["{" + ",".join(vert.split(" ")[1:4]) + "}" for vert in verts]
+verts = ["{" + ",".join(vert.split(" ")[1:4]) + "}" for vert in verts]
-    faces = [
+faces = [
     ",".join(
         [
             str(int((d.split("/")[0])) - 1) + "," + str(int((d.split("/")[2])) - 1)
@@ -54,17 +47,11 @@ def source_model(file_name: str):
         ]
     )
     for face in faces
-    ]
+]
-    normals = ["{" + ",".join(normal.split(" ")[1:4]) + "}" for normal in normals]
+normals = ["{" + ",".join(normal.split(" ")[1:4]) + "}" for normal in normals]
 
-    mtl_file = open(dir_name + file_name + ".mtl", "r")
+out = (
-    shiny = mtl_file.read().split("\n")[4].split(" ")[1]
+    '#include "../renderer.h" \n const model testModel = {(vec3[]){'
-    mtl_file.close()
-    print(shiny)
-    out = (
-        '#include "../renderer.h" \n const model '
-        + file_name
-        + "_model = {(vec3[]){"
     + ",".join(verts)
     + "},(int[]){"
     + ",".join(faces)
@@ -76,20 +63,10 @@ def source_model(file_name: str):
     + str(len(verts))
     + ","
     + str(len(faces) * 6)
-        + ","
-        + str(float(shiny) / 20)
     + "};"
-    )
+)
 
-    with open("src/models/" + file_name + ".h", "w") as f:
+with open("src/models/plane.h", "w") as f:
     f.write(out)
-    # Close the file
+print(faces)
-    f.close()
+# Close the file
-
-
-model_files = os.listdir("3dModels")
-li = range(0, 10)
-
-for file in model_files:
-    if file.endswith(".obj"):
-        source_model(file[:-4])

plane.hpp

@@ -0,0 +1,2 @@
+#include "renderer.h"
+ const model testModel = create_model((vec3[]){{{7.334897,-2.436740,4.541961},{-7.899121,-2.436740,4.541961},{7.334897,-2.436740,35.009995},{-7.899121,-2.436740,35.009995}},(int[]){{1,0},{2,0},{0,0},{1,0},{3,0},{2,0}});

plane.mtl

@@ -2,7 +2,7 @@
 # www.blender.org
 
 newmtl Material.001
-Ns 885.309875
+Ns 0.000000
 Ka 1.000000 1.000000 1.000000
 Kd 0.800000 0.800000 0.800000
 Ks 0.500000 0.500000 0.500000

polygon.hpp

@@ -0,0 +1,160 @@
+#ifndef POLYGON_H
+#define POLYGON_H
+
+#include "fastmath.hpp"
+#include <iostream>
+struct polygon {
+
+    vec3 points[3];
+    decimal delta[9];
+    bool small = false;
+    decimal baryFactor;
+
+    decimal dot00;
+    decimal dot01;
+    decimal dot11;
+    vec2 v0;
+    vec2 v1;
+
+    decimal bounding[4]; // min x, max x, min y, max y
+    vec3 normals[3];
+    vec3 colors[3];
+    vec3 barycentrics;
+    vec3 boundingBarycentrics;
+
+    void calcDelta() {
+
+        // for (int i = 0; i < 3; i++) {
+        //     int n = (i + 1) % 3;
+        //
+        //     delta[i * 3] = points[i].y() - points[n].y();
+        //     delta[i * 3 + 1] = points[n].x() - points[i].x();
+        //     delta[i * 3 + 2] =
+        //         points[i].x() * points[n].y() - points[i].y() *
+        //         points[n].x();
+        //     if (delta[i * 3].i == 0 && delta[i * 3 + 1].i == 0)
+        //         small = true;
+        // }
+
+        v0 = vec2(points[2]) - vec2(points[0]);
+        v1 = vec2(points[1]) - vec2(points[0]);
+
+        dot00 = v0 * v0;
+        dot01 = v1 * v0;
+        dot11 = v1 * v1;
+
+        bounding[0] = points[0].x();
+        bounding[1] = points[0].x();
+        bounding[2] = points[0].y();
+        bounding[3] = points[0].y();
+        for (int i = 1; i < 3; i++) {
+            if (bounding[0] > points[i].x())
+                bounding[0] = points[i].x();
+            if (bounding[1] < points[i].x())
+                bounding[1] = points[i].x();
+            if (bounding[2] > points[i].y())
+                bounding[2] = points[i].y();
+            if (bounding[3] < points[i].y())
+                bounding[3] = points[i].y();
+        }
+
+        // baryFactor =
+        //     (points[1].x() - points[0].x()) * (points[2].y() - points[1].y())
+        //     - (points[1].y() - points[0].y()) * (points[2].x() -
+        //     points[1].x());
+        std::cout << dot00 << " " << dot01 << " " << dot11 << std::endl;
+        baryFactor = dot00 * dot11 - dot01 * dot01;
+        std::cout << "baryFactor:" << baryFactor << std::endl;
+        if (baryFactor.i == 0) {
+            small = true;
+        } else
+            baryFactor = decimal(1.0) / baryFactor;
+        // std::cout << baryFactor << std::endl;
+        /*if ((bounding[1].i - bounding[0].i < 1 << HALF_SHIFT) &&
+            (bounding[3].i - bounding[2].i < 1 << HALF_SHIFT))
+            small = true;*/
+    }
+
+    vec3 avgNormal() {
+        vec3 result = normals[0] + normals[1] + normals[2];
+        // for (int i = 0; i < 3; i++) {
+        //     result += normals[i];
+        // }
+        return result * decimal(0.3333);
+    }
+
+    const bool depContains(const vec3 &p) {
+        // if (skip)
+        //    return false;
+        for (int i = 0; i < 3; i++) {
+            if (small)
+                return false;
+            vec3 d = p;
+            if ((d.x() * delta[i * 3] + d.y() * delta[i * 3 + 1] +
+                 delta[i * 3 + 2]) > decimal(0.2))
+                return false;
+        }
+        return true;
+    }
+    const bool contains(const vec3 &p) {
+        if (small)
+            return true;
+        else
+            return (barycentrics[0] >= decimal(-0.0)) &&
+                   (barycentrics[1] >= decimal(-0.0)) &&
+                   (barycentrics[0] + barycentrics[1] <= decimal(1.0));
+    }
+    friend std::ostream &operator<<(std::ostream &os, const polygon &p) {
+        for (int i = 0; i < 3; i++) {
+            os << p.points[i];
+        }
+        return os;
+    }
+
+    vec3 calcNormal() {
+        return normals[0] * boundingBarycentrics[0] +
+               normals[1] * boundingBarycentrics[1] +
+               normals[2] * boundingBarycentrics[2];
+    }
+
+    vec3 calcColor() {
+        return colors[0] * boundingBarycentrics[0] +
+               colors[1] * boundingBarycentrics[1] +
+               colors[2] * boundingBarycentrics[2];
+    }
+
+    decimal calcDepth() {
+        return points[0].z() * boundingBarycentrics[0] +
+               points[1].z() * boundingBarycentrics[1] +
+               points[2].z() * boundingBarycentrics[2];
+    }
+
+    void calcBarycentric(vec3 s) {
+        // if (small)
+        //     return vec3(decimal(0.333), decimal(0.333), decimal(0.333));
+
+        vec2 v2 = vec2(s) - vec2(points[0]);
+        decimal dot02 = v0 * v2;
+        decimal dot12 = v1 * v2;
+
+        barycentrics = {};
+        barycentrics[0] = dot11 * dot02 - dot01 * dot12;
+        barycentrics[1] = dot00 * dot12 - dot01 * dot02;
+
+        // barycentrics[0] = (points[1].x() - s.x()) * (points[2].y() -
+        // s.y()) -
+        //                   (points[2].x() - s.x()) * (points[1].y() -
+        //                   s.y());
+        // barycentrics[1] = (points[2].x() - s.x()) * (points[0].y() -
+        // s.y()) -
+        //                   (points[0].x() - s.x()) * (points[2].y() -
+        //                   s.y());
+        barycentrics = barycentrics * baryFactor;
+        barycentrics[2] = decimal(1.0) - barycentrics[1] - barycentrics[0];
+        // barycentrics[0]; return result;
+        boundingBarycentrics = vec3::max(
+            vec3::min(barycentrics, vec3(1.0, 1.0, 1.0)), vec3(0.0, 0.0, 0.0));
+    }
+};
+
+#endif

renderer.hpp

@@ -0,0 +1,144 @@
+
+#ifndef RENDERER_H
+#define RENDERER_H
+
+#include "fastmath.hpp"
+#include "model.hpp"
+#include "polygon.hpp"
+#include "rendertarget.hpp"
+#include <cstring>
+#include <memory.h>
+
+#define SCREEN_SPACE_SIZE 2.0
+
+class Renderer {
+
+  public:
+    Rendertarget *target;
+
+    bool clearTarget = true;
+    vec3 sunDir = vec3(1.0, -1.0, 1.0).normalize();
+
+    void toScreenSpace(vec3 *np, mat4 matrix) {
+        vec4 tp = (matrix * vec4(*np, decimal(1.0f)));
+        tp.x() = tp.x() / tp.z() * decimal(SCREEN_SPACE_SIZE) +
+                 decimal(SCREEN_SPACE_SIZE);
+        tp.y() = tp.y() / tp.z() * decimal(SCREEN_SPACE_SIZE) +
+                 decimal(SCREEN_SPACE_SIZE);
+        *np = vec3(tp.x(), tp.y(), tp.z());
+    }
+
+    void render(const model *model, const mat4 matrix) {
+        decimal widthScale =
+            decimal(SCREEN_SPACE_SIZE * 2) / decimal((float)target->width);
+        decimal heightScale =
+            decimal(SCREEN_SPACE_SIZE * 2) / decimal((float)target->height);
+
+        decimal invWidthScale =
+            decimal((float)(target->width / SCREEN_SPACE_SIZE / 2));
+        decimal invHeightScale =
+            decimal((float)(target->height / SCREEN_SPACE_SIZE / 2));
+
+        // TODO clear target with memset
+
+        vec3 verts[model->verts.size()] = {};
+
+        std::copy(model->verts.begin(), model->verts.end(), verts);
+
+        for (int i = 0; i < model->verts.size(); i++) {
+            toScreenSpace(verts + i, matrix);
+        }
+
+        vec3 normals[model->normals.size()] = {};
+        mat3 normalMatrix = matrix.cutTo<mat3>();
+        for (int i = 0; i < model->normals.size(); i++) {
+            normals[i] = normalMatrix * model->normals[i];
+        }
+
+        polygon testP;
+
+        for (int f = 0; f < model->faces.size(); f += 3) {
+            testP.small = false;
+            for (int p = 0; p < 3; p++) {
+                testP.points[p] = verts[std::get<0>(model->faces[f + p])];
+                testP.colors[p] =
+                    model->colors[std::get<0>(model->faces[f + p])];
+                testP.normals[p] = normals[std::get<1>(model->faces[f + p])];
+            }
+            if ((testP.avgNormal() * vec3(0.0, 0.0, 1.0)) > decimal(0.))
+                continue;
+
+            testP.calcDelta();
+
+            int startX = std::max<int>(
+                (testP.bounding[0] * invWidthScale).i >> SHIFT_AMOUNT, 0);
+            int endX = std::max<int>(
+                std::min<int>((testP.bounding[1] * invWidthScale).i >>
+                                  SHIFT_AMOUNT,
+                              (uint32_t)target->width - 1),
+                0);
+            int startY = std::max<int>(
+                (testP.bounding[2] * invHeightScale).i >> SHIFT_AMOUNT, 0);
+            int endY = std::min<int>((testP.bounding[3] * invHeightScale).i >>
+                                         SHIFT_AMOUNT,
+                                     target->height - 1);
+
+            std::cout << "Polys:\n" << testP.baryFactor << "\n";
+            for (int i = 0; i < 3; i++) {
+                std::cout << testP.points[i];
+            }
+            std::cout << "Boundings:\n";
+            std::cout << testP.bounding[0] << " " << startX << "\n";
+            std::cout << testP.bounding[1] << " " << endX << "\n";
+            std::cout << testP.bounding[2] << " " << startY << "\n";
+            std::cout << testP.bounding[3] << " " << endY << "\n";
+
+            vec3 pos = vec3(testP.bounding[0], testP.bounding[2], 0.0);
+            for (int x = 0; x < target->width; x++) {
+                for (int y = 0; y < target->height; y++) {
+                    // for (int x = startX; x < endX; x++) {
+                    //     for (int y = startY; y < endY; y++) {
+
+                    testP.calcBarycentric(pos);
+                    if (testP.contains(pos)) {
+
+                        // testP.calcBarycentric(pos);
+                        decimal depth = testP.calcDepth();
+                        if (depth < target->getDepth(x, y)) {
+                            // std::cout << factors << std::endl;
+                            vec3 normal = testP.calcNormal();
+                            vec3 color = testP.calcColor();
+                            decimal lightFac =
+                                std::max(normal * (-sunDir), decimal(0.0)) +
+                                decimal(0.5);
+                            ;
+                            target->setDepth(x, y, depth);
+                            // target->set(x, y,
+                            //             (color * decimal(120.0)) * lightFac);
+
+                            // target->set(x, y,
+                            // vec3(lightFac * decimal(200.0), 0, 0));
+                            // target->set(x, y,
+                            //             (normal + vec3(1.0, 1.0, 1.0)) *
+                            //                 decimal(120.0));
+                            // target->set(
+                            //     x, y,
+                            //     (testP.avgNormal() + vec3(1.0, 1.0, 1.0)) *
+                            //         decimal(120.0));
+                            target->set(x, y,
+                                        testP.barycentrics * decimal(200.0));
+                            // if (!factors.isSmall())
+                            //   target->set(x, y, vec3(0., 255.0, 0.));
+                        }
+                        // target->set(x, y, vec3(0.0, 255.0, 0.0));
+                    }
+                    pos.y() += heightScale;
+                }
+                pos.y() = decimal(testP.bounding[2]);
+                pos.x() += widthScale;
+            }
+        }
+    }
+};
+
+#endif

rendertarget.hpp

@@ -0,0 +1,45 @@
+
+#ifndef RENDERTARGET_H
+#define RENDERTARGET_H
+
+#include "fastmath.hpp"
+class Rendertarget {
+
+  public:
+    const int width;
+    const int height;
+
+    Rendertarget(int width, int height) : width(width), height(height) {
+        pixels = new uint8_t[width * height * 3];
+        depth = new decimal[width * height];
+        for (int i = 0; i < width * height * 3; i++) {
+            pixels[i] = 0;
+        }
+    }
+
+    void set(int x, int y, vec3 val) {
+        int start = (width * y + x) * 3;
+        for (int i = 0; i < 3; i++) {
+            pixels[start + i] = (uint8_t)(val[i].i >> SHIFT_AMOUNT);
+        }
+    }
+
+    decimal getDepth(int x, int y) { return depth[width * y + x]; }
+    void setDepth(int x, int y, decimal val) { depth[width * y + x] = val; }
+
+    void clearDepth() {
+        for (int i = 0; i < width * height; i++) {
+            depth[i].i = std::numeric_limits<int32_t>::max();
+        }
+    }
+    void clearTarget() {
+        for (int i = 0; i < width * height * 3; i++) {
+            pixels[i] = 0;
+        }
+    }
+
+    uint8_t *pixels;
+    decimal *depth;
+};
+
+#endif

src/athmosphere.h

@@ -1,30 +0,0 @@
-#ifndef ATHMOSPHERE_H
-#define ATHMOSPHERE_H
-
-#include "linmath.h"
-#include "rendertarget.h"
-void renderAthmosphere(render_target *target, const mat4x4 invProj) {
-
-  float widthF = 2. / target->width;
-  float heightF = 2. / target->height;
-
-  for (int y = 0; y < target->height; y++) {
-    for (int x = 0; x < target->width; x++) {
-      vec4 tmp = {((float)x) * widthF - 1.f, ((float)y) * heightF - 1.0f,
-                  ((float)target_get_depth(target, x, y)) / 65536.0f, 1.0f};
-      // vec4_scale(tmp, tmp, 1.0f / tmp[2]);
-
-      vec4 pos;
-      mat4x4_mul_vec4(pos, invProj, tmp);
-      vec4_scale(pos, pos, 1.0f / pos[3]);
-      // pos[2] = -pos[2];
-      vec4_scale(pos, pos, -.1f);
-      // vec4_scale(tmp, tmp, -1.f);
-      // tmp[3] = -tmp[2];
-      vec3_set(pos, pos[2]);
-      target_set_color(target, x, y, pos);
-    }
-  }
-}
-
-#endif

src/game.h

@@ -1,123 +0,0 @@
-
-#ifndef GAME_H
-#define GAME_H
-#include "gameObjs.h"
-#include "linmath.h"
-#include "renderer.h"
-typedef struct {
-  vec2 pos;
-  float holeSize;
-  uint8_t isUsed;
-} obsticale_data;
-
-void updateObsticales(renderData *rData) {
-
-  mat4x4 transform = {};
-  mat4x4 draw = {};
-
-  for (int i = 0; i < nextGameObj; i++) {
-    gameObj *obst = gameObjs + i;
-
-    // printf("render Obst\n");
-    if (!(obst->type & 2))
-      continue;
-    if (!(obst->inUse))
-      continue;
-
-    obst->transform[3][1] -= rData->deltaTime * 2;
-    mat4x4_identity(transform);
-    transform[0][0] = 2.0f;
-    printf("Obj ID: %d, Hole Size: %f", i, obst->holeSize);
-    mat4x4_getPos(transform)[0] = obst->transform[3][0] - obst->holeSize * 0.5;
-    mat4x4_getPos(transform)[1] = obst->transform[3][1];
-    mat4x4_getPos(transform)[2] = -10;
-    mat4x4_mul(draw, rData->projMat, transform);
-    render(rData->target, obst->model, &draw, rData->vert_buffer);
-
-    mat4x4_getPos(transform)[0] =
-        obst->transform[3][0] + 8 + obst->holeSize * 0.5;
-    // mat4x4_scale_aniso(transform, transform, 1, -1, 1);
-    mat4x4_mul(draw, rData->projMat, transform);
-    render(rData->target, obst->model, &draw, rData->vert_buffer);
-
-    if (obst->transform[3][1] < -5.0f)
-      obst->inUse = 0;
-  }
-}
-
-void spawnObst(float posX, float holeSize) {
-  for (int i = 0; i < nextGameObj; i++) {
-    gameObj *obst = gameObjs + i;
-    if (!(obst->type & 2))
-      continue;
-    if (obst->inUse)
-      continue;
-
-    obst->inUse = 1;
-    obst->transform[3][0] = posX;
-    obst->transform[3][1] = 4.0f;
-    obst->holeSize = holeSize;
-    return;
-  }
-}
-
-void drawRocket(renderData *rData) {
-
-  mat4x4 drawMat = {};
-
-  for (int i = 0; i < nextGameObj; i++) {
-    gameObj *rocket = gameObjs + i;
-    if (rocket->transform[3][0] < -4.5) {
-      // vec3_set(rocket->velocity, 0.0f);
-      rocket->transform[3][0] = 4.5f;
-    }
-    if (rocket->transform[3][0] > 4.5) {
-      // vec3_set(rocket->velocity, 0.0f);
-      rocket->transform[3][0] = -4.5f;
-    }
-    if (!(rocket->type & 1))
-      continue;
-
-    mat4x4_translate_in_place(rocket->transform,
-                              rocket->velocity[0] * rData->deltaTime,
-                              rocket->velocity[1] * rData->deltaTime,
-                              rocket->velocity[2] * rData->deltaTime);
-    mat4x4_mul(drawMat, rData->projMat, rocket->transform);
-    render(rData->target, rocket->model, &drawMat, rData->vert_buffer);
-  }
-}
-
-void drawPlanet(renderData *rData) {
-
-  mat4x4 drawMat = {};
-
-  for (int i = 0; i < nextGameObj; i++) {
-    gameObj *planet = gameObjs + i;
-    if (!(planet->type & 4))
-      continue;
-
-    mat4x4_mul(drawMat, rData->projMat, planet->transform);
-    render(rData->target, planet->model, &drawMat, rData->vert_buffer);
-  }
-}
-
-uint8_t didHit(gameObj *obj) {
-
-  for (int i = 0; i < nextGameObj; i++) {
-    gameObj *obst = gameObjs + i;
-    if (!(obst->type & 2))
-      continue;
-    if ((obj->transform[3][0] - obj->hitBox[0] * 0.5 <
-             obst->transform[3][0] - obst->holeSize * 0.5 ||
-         obj->transform[3][0] + obj->hitBox[0] * 0.5 >
-             obst->transform[3][0] + obst->holeSize * 0.5) &&
-        (obj->transform[3][1] - obj->hitBox[1] * 0.5 <
-             obst->transform[3][1] + obst->hitBox[1] * 0.5 &&
-         obj->transform[3][1] + obj->hitBox[1] * 0.5 >
-             obst->transform[3][1] - obst->hitBox[1] * 0.5)) {
-      return 1;
-    }
-  }
-  return 0;
-}
-#endif

src/gameObjs.h

@@ -1,82 +1,26 @@
-#ifndef GAME_OBJ_H
+#include "models/plane.h"
-#define GAME_OBJ_H
-
-#include "linmath.h"
-#include "models/fairyDust.h"
-#include "models/obstical.h"
-#include "models/planet.h"
 #include "renderer.h"
 
 typedef struct {
   mat4x4 transform;
   vec3 velocity;
-  vec2 hitBox;
+  model model;
-  const model *model;
-  float holeSize;
-  uint8_t type; // 1 Obst, 0 Rocket
-  uint8_t inUse;
 } gameObj;
 
-#define OBST_CNT 3
+gameObj rocket = {
-int nextGameObj = 3;
+    {{1., 0., 0., 0.}, {0., 1., 0., 0.}, {0., 0., 1., 0.}, {0., -1., -10., 0.}},
-gameObj gameObjs[16] = {{{{0.5, 0., 0., 0.},
-                          {0., 0.5, 0., 0.},
-                          {0., 0., 0.5, 0.},
-                          {0., -3.0f, -10., 1.}},
     {0.0, 0.0, 0.0},
-                         {0.3f, .5f},
+    testModel};
-                         &fairyDust_model,
-                         1,
-                         1},
-                        {{{0.5, 0., 0., 0.},
-                          {0., 0.5, 0., 0.},
-                          {0., 0., 0.5, 0.},
-                          {0., +3.0f, -10., 1.}},
-                         {0.0, 0.0, 0.0},
-                         {0.3f, .5f},
-                         &fairyDust_model,
-                         1,
-                         1},
-                        {{{1., 0., 0., 0.},
-                          {0., 1., 0., 0.},
-                          {0., 0., 1., 0.},
-                          {0., .0f, -15., 1.}},
-                         {0.0, 0.0, 0.0},
-                         {0.0f, .0f},
-                         &planet_model,
-                         4,
-                         1}};
 
-const model *allModel[] = {&fairyDust_model, &obstical_model};
+const gameObj *allGameObjs[] = {&rocket};
-
-void init_obsts() {
-  mat4x4 transform = {{1.0, 0.0, 0.0, 0.0},
-                      {0.0, 1.0, 0.0, 0.0},
-                      {0.0, 0.0, 1.0, 0.0},
-                      {0.0, 0.0, -10.0, 1.0}};
-  vec3 vel = {0};
-  for (int i = 0; i < OBST_CNT; i++) {
-    mat4x4_dup(gameObjs[nextGameObj].transform, transform);
-    vec3_dup(gameObjs[nextGameObj].velocity, vel);
-    gameObjs[nextGameObj].hitBox[0] = 4.0f;
-    gameObjs[nextGameObj].hitBox[1] = 1.0f;
-    gameObjs[nextGameObj].model = &obstical_model;
-    gameObjs[nextGameObj].holeSize = 0.f;
-    gameObjs[nextGameObj].type = 2;
-    gameObjs[nextGameObj].inUse = 0;
-    nextGameObj++;
-  }
-}
 
 int vertBufferSize() {
-  int count = sizeof(allModel) / sizeof(void *);
+  int count = sizeof(allGameObjs) / sizeof(void *);
   int result = 0;
   for (int i = 0; i < count; i++) {
-    if (result < allModel[i]->vert_size) {
+    if (result < allGameObjs[i]->model.vert_size) {
-      result = allModel[i]->vert_size;
+      result = allGameObjs[i]->model.vert_size;
     }
   }
   return result * sizeof(vec4);
 }
-
-#endif

src/linmath.h

@@ -17,7 +17,6 @@
 #define REPEAT_2(FN) REPEAT_1(FN) FN(1)
 #define REPEAT_3(FN) REPEAT_2(FN) FN(2)
 #define REPEAT_4(FN) REPEAT_3(FN) FN(3)
-#define REPEAT_4N(FN) REPEAT_3(FN) FN(3)
 
 #define add(i) r[i] = a[i] + b[i];
 #define set(i) r[i] = v;
@@ -131,7 +130,11 @@ LINMATH_H_FUNC void vec4_reflect(vec4 r, vec4 const v, vec4 const n) {
 
 typedef vec4 mat4x4[4];
 
-LINMATH_H_FUNC float *mat4x4_getPos(mat4x4 M) { return M[3]; }
+LINMATH_H_FUNC void mat4x4_getPos(vec3 r, mat4x4 const M) {
+  r[0] = M[3][0];
+  r[1] = M[3][1];
+  r[2] = M[3][2];
+}
 
 LINMATH_H_FUNC void mat4x4_identity(mat4x4 M) {
   int i, j;
@@ -195,36 +198,14 @@ LINMATH_H_FUNC void mat4x4_mul(mat4x4 M, mat4x4 const a, mat4x4 const b) {
     }
   mat4x4_dup(M, temp);
 }
-
 LINMATH_H_FUNC void mat4x4_mul_vec4(vec4 r, mat4x4 const M, vec4 const v) {
-  r[0] = M[0][0] * v[0];
+  int i, j;
-  r[0] += M[1][0] * v[1];
+  for (j = 0; j < 4; ++j) {
-  r[0] += M[2][0] * v[2];
+    r[j] = 0.f;
-  r[0] += M[3][0] * v[3];
+    for (i = 0; i < 4; ++i)
-
+      r[j] += M[i][j] * v[i];
-  r[1] = M[0][1] * v[0];
+  }
-  r[1] += M[1][1] * v[1];
-  r[1] += M[2][1] * v[2];
-  r[1] += M[3][1] * v[3];
-
-  r[2] = M[0][2] * v[0];
-  r[2] += M[1][2] * v[1];
-  r[2] += M[2][2] * v[2];
-  r[2] += M[3][2] * v[3];
-
-  r[3] = M[0][3] * v[0];
-  r[3] += M[1][3] * v[1];
-  r[3] += M[2][3] * v[2];
-  r[3] += M[3][3] * v[3];
 }
-// LINMATH_H_FUNC void mat4x4_mul_vec4(vec4 r, mat4x4 const M, vec4 const v) {
-//   int i, j;
-//   for (j = 0; j < 4; ++j) {
-//     r[j] = 0.f;
-//     for (i = 0; i < 4; ++i)
-//       r[j] += M[i][j] * v[i];
-//   }
-// }
 LINMATH_H_FUNC void mat4x4_translate(mat4x4 T, float x, float y, float z) {
   mat4x4_identity(T);
   T[3][0] = x;

src/main.c

@@ -1,5 +1,3 @@
-#include "athmosphere.h"
-#include "game.h"
 #include "gameObjs.h"
 #include "linmath.h"
 #include "renderer.h"
@@ -11,11 +9,10 @@
 #include <termios.h>
 #include <time.h>
 #include <unistd.h>
-#include <zlib.h>
 
 #define PI 3.141592653589793f
-#define WIDTH 1024
+#define WIDTH 512
-#define HEIGHT 1024
+#define HEIGHT 512
 #define PIX_COUNT (WIDTH * HEIGHT)
 
 volatile sig_atomic_t stop = 0;
@@ -34,25 +31,22 @@ static char encoding_table[] = {
     '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'};
 
 void base64encode(render_target *t, char *buff) {
-  for (int i = 0; i < PIX_COUNT; i++) {
+  for (int i = 0; i < PIX_COUNT * 4; i += 4) {
-    int start = i * 3;
+    uint8_t r = t->pixels[i];
-    uint8_t r = t->pixels[start];
+    uint8_t g = t->pixels[i + 1];
-    uint8_t g = t->pixels[start + 1];
+    uint8_t b = t->pixels[i + 2];
-    uint8_t b = t->pixels[start + 2];
     int s = 0;
     s |= r << 16;
     s |= g << 8;
     s |= b;
 
-    start = i * 4;
+    buff[i] = encoding_table[s >> 18];
-
-    buff[start] = encoding_table[s >> 18];
     s &= 0777777;
-    buff[start + 1] = encoding_table[s >> 12];
+    buff[i + 1] = encoding_table[s >> 12];
     s &= 07777;
-    buff[start + 2] = encoding_table[s >> 6];
+    buff[i + 2] = encoding_table[s >> 6];
     s &= 077;
-    buff[start + 3] = encoding_table[s];
+    buff[i + 3] = encoding_table[s];
   }
 }
 
@@ -105,16 +99,15 @@ int main(void) {
 
   setupKeyboard();
 
-  render_target target = {WIDTH, HEIGHT, malloc(PIX_COUNT * 3),
+  render_target target = {WIDTH, HEIGHT, malloc(PIX_COUNT * 4)};
-                          malloc(PIX_COUNT * 2)};
   clearTarget(&target);
 
-  renderData rData = {0, {}, &target, malloc(vertBufferSize())};
+  vec4 *buffer = malloc(vertBufferSize());
-
+  mat4x4 projMat = {};
   mat4x4 viewMat = {};
   mat4x4 drawMat = {};
   mat4x4_identity(viewMat);
-  mat4x4_perspective(rData.projMat, 45.0 / 180.0 * PI, 1, 0.1f, 40.0f);
+  mat4x4_perspective(projMat, 45.0 / 180.0 * PI, 1, 2.f, 20.0f);
 
   const int buffSize = PIX_COUNT * 4;
 
@@ -125,22 +118,15 @@ int main(void) {
   clock_t start = clock();
   clock_t now = clock();
   clock_t renderC;
-  clock_t athmosC;
 
-  clock_t lastDeploy = clock();
+  float deltaTime; // in seconds
-
-  init_obsts();
-  gameObj *rocket = gameObjs;
-  gameObj *deploy = gameObjs + 1;
-  gameObj *planet = gameObjs + 2;
 
   while (!stop) {
     now = clock();
-    rData.deltaTime = ((float)(now - start)) / CLOCKS_PER_SEC;
+    deltaTime = ((float)(now - start)) / CLOCKS_PER_SEC;
     start = now;
-    printf("total time: %fms\n", rData.deltaTime * 1000);
+    printf("total time: %fms\n", deltaTime * 1000);
     printf("render time: %fms\n", ((float)renderC) / (0.001 * CLOCKS_PER_SEC));
-    printf("athmos time: %fms\n", ((float)athmosC) / (0.001 * CLOCKS_PER_SEC));
 
     if (read(STDIN_FILENO, &lastKey, 1) == -1) {
       perror("read failed");
@@ -148,79 +134,36 @@ int main(void) {
       continue;
     }
 
-    float v = 1.0f - powf(0.01f, rData.deltaTime);
     switch (lastKey) {
-    // case 'w':
+    case 'w':
-    //   rocket.velocity[1] = (rocket.velocity[1] * 0.9 + 20 * 0.1);
+      rocket.velocity[1] = (rocket.velocity[1] * 0.9 + 20 * 0.1);
-    //
+      break;
-    //   // mat4x4_translate_in_place(viewMat, 0, 0, -0.2);
+    case 's':
-    //   break;
+      mat4x4_translate_in_place(viewMat, 0, 0, 0.2);
-    // case 's':
+      break;
-    //   mat4x4_translate_in_place(viewMat, 0, 0, 0.2);
-    //   break;
     case 'a':
-      // mat4x4_translate_in_place(viewMat, -0.2, 0, 0);
+      mat4x4_translate_in_place(viewMat, -0.2, 0, 0);
-      rocket->velocity[0] =
-          rocket->velocity[0] + v * (-15.0f - rocket->velocity[0]);
       break;
     case 'd':
-      // mat4x4_translate_in_place(viewMat, 0.2, 0, 0);
+      mat4x4_translate_in_place(viewMat, 0.2, 0, 0);
-      rocket->velocity[0] =
-          rocket->velocity[0] + v * (15.0f - rocket->velocity[0]);
-      break;
-    case 'j':
-      // mat4x4_translate_in_place(viewMat, -0.2, 0, 0);
-      deploy->velocity[0] =
-          deploy->velocity[0] + v * (-15.0f - deploy->velocity[0]);
-      break;
-    case 'k':
-      // mat4x4_translate_in_place(viewMat, 0.2, 0, 0);
-      deploy->velocity[0] =
-          deploy->velocity[0] + v * (15.0f - deploy->velocity[0]);
-      break;
-    case 'h':
-      // mat4x4_rotate_Y(planet->transform, planet->transform,
-      //                 0.1 * rData.deltaTime);
-      break;
-    case '\n':
-      // mat4x4_translate_in_place(viewMat, 0.2, 0, 0);
-      if (((float)(clock() - lastDeploy)) / CLOCKS_PER_SEC > 2.0f) {
-        lastDeploy = clock();
-        spawnObst(deploy->transform[3][0], 1.5f);
-      }
       break;
     }
 
     lastKey = 0;
-    printf("%f", ((float)(clock() - lastDeploy)) / CLOCKS_PER_SEC);
 
-    // rocket->velocity[1] +=
+    rocket.velocity[1] +=
-    //     (-4.0f + 0.5 * powf(MIN(rocket->velocity[1], 0.0), 2.0f)) *
+        (-4.0f + 0.5 * powf(MIN(rocket.velocity[1], 0.0), 2.0f)) * deltaTime;
-    //     rData.deltaTime;
-    // float v = rData.deltaTime*10;
-    // v = 1.0f - powf(0.7f, rData.deltaTime);
-    // rocket->velocity[0] =
-    //     rocket->velocity[0] + v * (0.0f - rocket->velocity[0]);
 
-    // mat4x4_mul(drawMat, rData.projMat, viewMat);
+    mat4x4_translate_in_place(rocket.transform, rocket.velocity[0] * deltaTime,
+                              rocket.velocity[1] * deltaTime,
+                              rocket.velocity[2] * deltaTime);
+    // mat4x4_translate_in_place(viewMat, 0, 0, .1);
+    mat4x4_mul(drawMat, projMat, rocket.transform);
     clearTarget(&target);
     renderC = clock();
-    drawRocket(&rData);
+    render(&target, &rocket.model, &drawMat, buffer);
-    updateObsticales(&rData);
-    drawPlanet(&rData);
     renderC = clock() - renderC;
 
-    mat4x4 invProj;
-    mat4x4_invert(invProj, rData.projMat);
-
-    athmosC = clock();
-    // renderAthmosphere(&target, invProj);
-    athmosC = clock() - athmosC;
-
-    if (didHit(rocket)) {
-      stop = 1;
-    }
-
     base64encode(&target, encodeBuff);
     printf("\033[H");
     printImage(encodeBuff);

src/models/obstical.h

@@ -1,2 +0,0 @@
-#include "../renderer.h" 
- const model obstical_model = {(vec3[]){{-4.000000,0.305749,0.305749},{-0.000000,0.305749,0.305749},{-4.000000,0.305749,-0.305749},{-0.000000,0.305749,-0.305749},{-4.000000,-0.305750,0.305749},{0.000000,-0.305749,0.305749},{-4.000000,-0.305750,-0.305749},{0.000000,-0.305749,-0.305749}},(int[]){1,0,2,0,0,0,3,1,6,1,2,1,7,2,4,2,6,2,5,3,0,3,4,3,6,4,0,4,2,4,3,5,5,5,7,5,1,0,3,0,2,0,3,1,7,1,6,1,7,2,5,2,4,2,5,3,1,3,0,3,6,4,4,4,0,4,3,5,1,5,5,5},(vec3[]){{-0.0000,1.0000,-0.0000},{-0.0000,-0.0000,-1.0000},{-0.0000,-1.0000,-0.0000},{-0.0000,-0.0000,1.0000},{-1.0000,-0.0000,-0.0000},{1.0000,-0.0000,-0.0000}},(vec3[]){{1.0000,1.0000,1.0000},{1.0000,1.0000,1.0000},{1.0000,1.0000,1.0000},{1.0000,1.0000,1.0000},{1.0000,1.0000,1.0000},{1.0000,1.0000,1.0000},{1.0000,1.0000,1.0000},{1.0000,1.0000,1.0000}},8,72,12.5};

src/models/plane.h

@@ -0,0 +1,355 @@
+#include "../renderer.h"
+const model testModel = {
+    (vec3[]){
+        {0.698513, 0.757563, 0.000000},    {0.044645, 2.825787, 0.000000},
+        {0.656388, 0.757563, 0.238906},    {0.041953, 2.825787, 0.015270},
+        {0.535092, 0.757563, 0.448996},    {0.034200, 2.825787, 0.028697},
+        {0.349257, 0.757563, 0.604930},    {0.022323, 2.825787, 0.038664},
+        {0.121296, 0.757563, 0.687901},    {0.007753, 2.825787, 0.043967},
+        {-0.121296, 0.757563, 0.687901},   {-0.007753, 2.825787, 0.043967},
+        {-0.349257, 0.757563, 0.604930},   {-0.022323, 2.825787, 0.038664},
+        {-0.535092, 0.757563, 0.448996},   {-0.034200, 2.825787, 0.028697},
+        {-0.656388, 0.757563, 0.238906},   {-0.041953, 2.825787, 0.015270},
+        {-0.698513, 0.757563, -0.000000},  {-0.044645, 2.825787, 0.000000},
+        {-0.656388, 0.757563, -0.238906},  {-0.041953, 2.825787, -0.015270},
+        {-0.535092, 0.757563, -0.448996},  {-0.034200, 2.825787, -0.028697},
+        {-0.349257, 0.757563, -0.604930},  {-0.022323, 2.825787, -0.038664},
+        {-0.121296, 0.757563, -0.687901},  {-0.007753, 2.825787, -0.043967},
+        {0.121296, 0.757563, -0.687901},   {0.007753, 2.825787, -0.043967},
+        {0.349257, 0.757563, -0.604930},   {0.022323, 2.825787, -0.038664},
+        {0.535092, 0.757563, -0.448996},   {0.034200, 2.825787, -0.028697},
+        {0.656388, 0.757563, -0.238906},   {0.041953, 2.825787, -0.015269},
+        {0.544639, 2.240545, 0.000000},    {0.511793, 2.240545, 0.186277},
+        {0.409479, 2.128906, 0.371044},    {0.290178, 2.227410, 0.470774},
+        {0.100778, 2.227410, 0.539710},    {-0.100778, 2.227410, 0.539710},
+        {-0.290178, 2.227410, 0.470774},   {-0.409479, 2.128906, 0.371044},
+        {-0.511793, 2.240545, 0.186277},   {-0.544639, 2.240545, -0.000000},
+        {-0.511793, 2.240545, -0.186277},  {-0.417217, 2.240545, -0.350087},
+        {-0.272319, 2.240545, -0.471671},  {-0.094576, 2.240545, -0.536364},
+        {0.094576, 2.240545, -0.536364},   {0.272319, 2.240545, -0.471671},
+        {0.417218, 2.240545, -0.350087},   {0.511793, 2.240545, -0.186277},
+        {0.694426, 1.474881, 0.252751},    {0.527394, 1.631239, 0.497527},
+        {0.367433, 1.488016, 0.632126},    {0.127608, 1.488016, 0.719415},
+        {-0.127608, 1.488016, 0.719415},   {-0.367433, 1.488016, 0.632126},
+        {-0.527394, 1.631239, 0.497527},   {-0.694426, 1.474881, 0.252751},
+        {-0.738993, 1.474881, -0.000000},  {-0.694426, 1.474881, -0.252751},
+        {-0.566102, 1.474881, -0.475016},  {-0.369497, 1.474881, -0.639987},
+        {-0.128325, 1.474881, -0.727766},  {0.128325, 1.474881, -0.727766},
+        {0.369497, 1.474881, -0.639987},   {0.566102, 1.474881, -0.475016},
+        {0.694426, 1.474881, -0.252751},   {0.738993, 1.474881, 0.000000},
+        {0.410385, -0.154204, 0.000000},   {0.385635, -0.154204, 0.140360},
+        {0.314373, -0.154204, 0.263790},   {0.205192, -0.154204, 0.355403},
+        {0.071263, -0.154204, 0.404150},   {-0.071263, -0.154204, 0.404150},
+        {-0.205192, -0.154204, 0.355403},  {-0.314373, -0.154204, 0.263790},
+        {-0.385635, -0.154204, 0.140360},  {-0.410385, -0.154204, -0.000000},
+        {-0.385635, -0.154204, -0.140360}, {-0.314373, -0.154204, -0.263790},
+        {-0.205192, -0.154204, -0.355403}, {-0.071263, -0.154204, -0.404150},
+        {0.071263, -0.154204, -0.404150},  {0.205192, -0.154204, -0.355403},
+        {0.314373, -0.154204, -0.263790},  {0.385635, -0.154204, -0.140360},
+        {0.237705, 2.675272, 0.000000},    {0.223370, 2.675272, 0.081300},
+        {0.182093, 2.675272, 0.152794},    {0.118853, 2.675272, 0.205859},
+        {0.041277, 2.675272, 0.234094},    {-0.041277, 2.675272, 0.234094},
+        {-0.118853, 2.675272, 0.205859},   {-0.182093, 2.675272, 0.152794},
+        {-0.223370, 2.675272, 0.081300},   {-0.237705, 2.675272, -0.000000},
+        {-0.223370, 2.675272, -0.081300},  {-0.182093, 2.675272, -0.152794},
+        {-0.118853, 2.675272, -0.205859},  {-0.041277, 2.675272, -0.234094},
+        {0.041277, 2.675272, -0.234094},   {0.118853, 2.675272, -0.205859},
+        {0.182093, 2.675272, -0.152794},   {0.223370, 2.675272, -0.081300},
+        {0.046326, 2.839588, 0.000000},    {-0.023163, 2.839588, -0.040120},
+        {-0.023163, 2.839588, 0.040120},   {0.000000, 3.137896, 0.000000},
+        {-0.272319, 2.240545, 0.471671},   {-0.417218, 2.141971, 0.350087},
+        {-0.094576, 2.240545, 0.536364},   {0.094576, 2.240545, 0.536364},
+        {0.272319, 2.240545, 0.471671},    {0.417217, 2.141971, 0.350087},
+        {0.566102, 1.618174, 0.475016},    {-0.566102, 1.618174, 0.475016},
+        {0.369497, 1.474881, 0.639987},    {0.128325, 1.474881, 0.727766},
+        {-0.128325, 1.474881, 0.727766},   {-0.369497, 1.474881, 0.639987},
+        {0.237002, 2.117707, 0.625731},    {0.257333, 1.652925, 0.728921},
+        {0.082310, 2.117707, 0.682034},    {0.089371, 1.652925, 0.766453},
+        {-0.082310, 2.117707, 0.682034},   {-0.089371, 1.652925, 0.766453},
+        {-0.237002, 2.117707, 0.625731},   {-0.257333, 1.652925, 0.728921},
+        {-0.334441, 2.019176, 0.544276},   {0.334441, 2.019176, 0.544276},
+        {0.369362, 1.735177, 0.671046},    {-0.369362, 1.735177, 0.671046},
+        {0.096339, 2.201041, 0.616476},    {-0.096339, 2.201041, 0.616476},
+        {0.489408, 1.656222, 0.539235},    {0.391442, 2.102530, 0.455240},
+        {0.118417, 1.527654, 0.730721},    {-0.118417, 1.527654, 0.730721},
+        {-0.489408, 1.656222, 0.539235},   {-0.391442, 2.102530, 0.455240},
+        {0.277396, 2.201041, 0.550577},    {-0.340969, 1.527654, 0.655392},
+        {-0.277396, 2.201041, 0.550577},   {0.340969, 1.527654, 0.655392}},
+    (int[]){
+        1,   1,   91,  91,  90,  90,  91,  91,  5,   5,   92,  92,  5,   5,
+        93,  93,  92,  92,  7,   7,   94,  94,  93,  93,  9,   9,   95,  95,
+        94,  94,  11,  11,  96,  96,  95,  95,  96,  96,  15,  15,  97,  97,
+        15,  15,  98,  98,  97,  97,  98,  98,  19,  19,  99,  99,  19,  19,
+        100, 100, 99,  99,  100, 100, 23,  23,  101, 101, 23,  23,  102, 102,
+        101, 101, 25,  25,  103, 103, 102, 102, 27,  27,  104, 104, 103, 103,
+        104, 104, 31,  31,  105, 105, 31,  31,  106, 106, 105, 105, 33,  33,
+        107, 107, 106, 106, 35,  35,  90,  90,  107, 107, 4,   4,   73,  73,
+        2,   2,   53,  53,  71,  71,  70,  70,  52,  52,  70,  70,  69,  69,
+        51,  51,  69,  69,  68,  68,  50,  50,  68,  68,  67,  67,  49,  49,
+        67,  67,  66,  66,  65,  65,  49,  49,  66,  66,  64,  64,  48,  48,
+        65,  65,  46,  46,  64,  64,  63,  63,  62,  62,  46,  46,  63,  63,
+        44,  44,  62,  62,  61,  61,  119, 119, 44,  44,  61,  61,  136, 136,
+        124, 124, 144, 144, 142, 142, 132, 132, 143, 143, 141, 141, 127, 127,
+        129, 129, 137, 137, 126, 126, 136, 136, 138, 138, 133, 133, 134, 134,
+        37,  37,  118, 118, 54,  54,  71,  71,  37,  37,  54,  54,  0,   0,
+        54,  54,  2,   2,   54,  54,  4,   4,   2,   2,   4,   4,   120, 120,
+        6,   6,   120, 120, 8,   8,   6,   6,   121, 121, 10,  10,  8,   8,
+        122, 122, 12,  12,  10,  10,  123, 123, 14,  14,  12,  12,  14,  14,
+        61,  61,  16,  16,  16,  16,  62,  62,  18,  18,  18,  18,  63,  63,
+        20,  20,  63,  63,  22,  22,  20,  20,  64,  64,  24,  24,  22,  22,
+        65,  65,  26,  26,  24,  24,  66,  66,  28,  28,  26,  26,  67,  67,
+        30,  30,  28,  28,  68,  68,  32,  32,  30,  30,  69,  69,  34,  34,
+        32,  32,  34,  34,  71,  71,  0,   0,   75,  75,  83,  83,  87,  87,
+        14,  14,  78,  78,  12,  12,  24,  24,  83,  83,  22,  22,  34,  34,
+        88,  88,  32,  32,  10,  10,  76,  76,  8,   8,   20,  20,  81,  81,
+        18,  18,  30,  30,  86,  86,  28,  28,  6,   6,   74,  74,  4,   4,
+        16,  16,  79,  79,  14,  14,  2,   2,   72,  72,  0,   0,   26,  26,
+        84,  84,  24,  24,  0,   0,   89,  89,  34,  34,  12,  12,  77,  77,
+        10,  10,  22,  22,  82,  82,  20,  20,  32,  32,  87,  87,  30,  30,
+        8,   8,   75,  75,  6,   6,   18,  18,  80,  80,  16,  16,  28,  28,
+        85,  85,  26,  26,  107, 107, 36,  36,  53,  53,  106, 106, 53,  53,
+        52,  52,  105, 105, 52,  52,  51,  51,  104, 104, 51,  51,  50,  50,
+        103, 103, 50,  50,  49,  49,  102, 102, 49,  49,  48,  48,  101, 101,
+        48,  48,  47,  47,  100, 100, 47,  47,  46,  46,  99,  99,  46,  46,
+        45,  45,  98,  98,  45,  45,  44,  44,  97,  97,  44,  44,  113, 113,
+        112, 112, 97,  97,  113, 113, 95,  95,  112, 112, 114, 114, 94,  94,
+        114, 114, 115, 115, 116, 116, 94,  94,  115, 115, 92,  92,  116, 116,
+        117, 117, 37,  37,  92,  92,  117, 117, 90,  90,  37,  37,  36,  36,
+        108, 108, 5,   5,   3,   3,   108, 108, 7,   7,   5,   5,   110, 110,
+        7,   7,   108, 108, 110, 110, 11,  11,  9,   9,   110, 110, 13,  13,
+        11,  11,  110, 110, 15,  15,  13,  13,  110, 110, 17,  17,  15,  15,
+        110, 110, 19,  19,  17,  17,  109, 109, 19,  19,  110, 110, 109, 109,
+        23,  23,  21,  21,  109, 109, 25,  25,  23,  23,  109, 109, 27,  27,
+        25,  25,  109, 109, 29,  29,  27,  27,  109, 109, 31,  31,  29,  29,
+        108, 108, 31,  31,  109, 109, 108, 108, 35,  35,  33,  33,  108, 108,
+        1,   1,   35,  35,  108, 108, 3,   3,   1,   1,   110, 110, 9,   9,
+        7,   7,   109, 109, 21,  21,  19,  19,  108, 108, 33,  33,  31,  31,
+        110, 110, 108, 108, 111, 111, 109, 109, 110, 110, 111, 111, 108, 108,
+        109, 109, 111, 111, 42,  42,  113, 113, 43,  43,  41,  41,  112, 112,
+        42,  42,  40,  40,  114, 114, 41,  41,  40,  40,  116, 116, 115, 115,
+        39,  39,  117, 117, 116, 116, 38,  38,  118, 118, 117, 117, 43,  43,
+        119, 119, 60,  60,  56,  56,  118, 118, 55,  55,  57,  57,  120, 120,
+        56,  56,  58,  58,  121, 121, 57,  57,  58,  58,  123, 123, 122, 122,
+        59,  59,  119, 119, 123, 123, 130, 130, 135, 135, 131, 131, 128, 128,
+        131, 131, 129, 129, 126, 126, 129, 129, 127, 127, 125, 125, 126, 126,
+        127, 127, 134, 134, 124, 124, 125, 125, 141, 141, 131, 131, 145, 145,
+        146, 146, 132, 132, 130, 130, 147, 147, 134, 134, 125, 125, 144, 144,
+        133, 133, 139, 139, 145, 145, 135, 135, 142, 142, 137, 137, 130, 130,
+        128, 128, 140, 140, 125, 125, 127, 127, 57,  57,  147, 147, 140, 140,
+        41,  41,  146, 146, 137, 137, 59,  59,  142, 142, 60,  60,  39,  39,
+        139, 139, 38,  38,  56,  56,  138, 138, 147, 147, 42,  42,  143, 143,
+        146, 146, 58,  58,  145, 145, 59,  59,  55,  55,  139, 139, 138, 138,
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+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900},
+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900},
+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900},
+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900},
+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900},
+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900},
+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900},
+             {0.1450, 0.1371, 0.1900}, {0.1450, 0.1371, 0.1900}},
+    148,
+    1752,
+    20.f};

src/models/planet.h

@@ -1,2 +0,0 @@
-#include "../renderer.h" 
- const model planet_model = {(vec3[]){{0.000000,-2.000000,0.000000},{1.447215,-0.894439,1.051451},{-0.552776,-0.894440,1.701298},{-1.788852,-0.894431,0.000000},{-0.552776,-0.894440,-1.701298},{1.447215,-0.894439,-1.051451},{0.552776,0.894440,1.701298},{-1.447215,0.894439,1.051451},{-1.447215,0.894439,-1.051451},{0.552776,0.894440,-1.701298},{1.788852,0.894431,0.000000},{0.000000,2.000000,0.000000},{-0.324911,-1.701309,0.999991},{0.850645,-1.701308,0.618023},{0.525738,-1.051475,1.618023},{1.701296,-1.051472,0.000000},{0.850645,-1.701308,-0.618023},{-1.051460,-1.701303,0.000000},{-1.376379,-1.051472,0.999994},{-0.324911,-1.701309,-0.999991},{-1.376379,-1.051472,-0.999994},{0.525738,-1.051475,-1.618023},{1.902116,0.000000,0.618025},{1.902116,0.000000,-0.618025},{0.000000,0.000000,2.000000},{1.175571,0.000000,1.618033},{-1.902116,0.000000,0.618025},{-1.175571,0.000000,1.618033},{-1.175571,0.000000,-1.618033},{-1.902116,0.000000,-0.618025},{1.175571,0.000000,-1.618033},{0.000000,0.000000,-2.000000},{1.376379,1.051472,0.999994},{-0.525738,1.051475,1.618023},{-1.701296,1.051472,0.000000},{-0.525738,1.051475,-1.618023},{1.376379,1.051472,-0.999994},{0.324911,1.701309,0.999991},{1.051460,1.701303,0.000000},{-0.850645,1.701308,0.618023},{-0.850645,1.701308,-0.618023},{0.324911,1.701309,-0.999991}},(int[]){0,0,13,13,12,12,1,1,13,13,15,15,0,0,12,12,17,17,0,0,17,17,19,19,0,0,19,19,16,16,1,1,15,15,22,22,2,2,14,14,24,24,3,3,18,18,26,26,4,4,20,20,28,28,5,5,21,21,30,30,1,1,22,22,25,25,2,2,24,24,27,27,3,3,26,26,29,29,4,4,28,28,31,31,5,5,30,30,23,23,6,6,32,32,37,37,7,7,33,33,39,39,8,8,34,34,40,40,9,9,35,35,41,41,10,10,36,36,38,38,38,38,41,41,11,11,38,38,36,36,41,41,36,36,9,9,41,41,41,41,40,40,11,11,41,41,35,35,40,40,35,35,8,8,40,40,40,40,39,39,11,11,40,40,34,34,39,39,34,34,7,7,39,39,39,39,37,37,11,11,39,39,33,33,37,37,33,33,6,6,37,37,37,37,38,38,11,11,37,37,32,32,38,38,32,32,10,10,38,38,23,23,36,36,10,10,23,23,30,30,36,36,30,30,9,9,36,36,31,31,35,35,9,9,31,31,28,28,35,35,28,28,8,8,35,35,29,29,34,34,8,8,29,29,26,26,34,34,26,26,7,7,34,34,27,27,33,33,7,7,27,27,24,24,33,33,24,24,6,6,33,33,25,25,32,32,6,6,25,25,22,22,32,32,22,22,10,10,32,32,30,30,31,31,9,9,30,30,21,21,31,31,21,21,4,4,31,31,28,28,29,29,8,8,28,28,20,20,29,29,20,20,3,3,29,29,26,26,27,27,7,7,26,26,18,18,27,27,18,18,2,2,27,27,24,24,25,25,6,6,24,24,14,14,25,25,14,14,1,1,25,25,22,22,23,23,10,10,22,22,15,15,23,23,15,15,5,5,23,23,16,16,21,21,5,5,16,16,19,19,21,21,19,19,4,4,21,21,19,19,20,20,4,4,19,19,17,17,20,20,17,17,3,3,20,20,17,17,18,18,3,3,17,17,12,12,18,18,12,12,2,2,18,18,15,15,16,16,5,5,15,15,13,13,16,16,13,13,0,0,16,16,12,12,14,14,2,2,12,12,13,13,14,14,13,13,1,1,14,14},(vec3[]){{-0.0000,-1.0000,-0.0000},{0.7236,-0.4472,0.5257},{-0.2764,-0.4472,0.8506},{-0.8944,-0.4472,-0.0000},{-0.2764,-0.4472,-0.8506},{0.7236,-0.4472,-0.5257},{0.2764,0.4472,0.8506},{-0.7236,0.4472,0.5257},{-0.7236,0.4472,-0.5257},{0.2764,0.4472,-0.8506},{0.8944,0.4472,-0.0000},{-0.0000,1.0000,-0.0000},{-0.1625,-0.8507,0.5000},{0.4253,-0.8507,0.3090},{0.2629,-0.5257,0.8090},{0.8506,-0.5257,-0.0000},{0.4253,-0.8507,-0.3090},{-0.5257,-0.8507,-0.0000},{-0.6882,-0.5257,0.5000},{-0.1625,-0.8507,-0.5000},{-0.6882,-0.5257,-0.5000},{0.2629,-0.5257,-0.8090},{0.9511,-0.0000,0.3090},{0.9511,-0.0000,-0.3090},{-0.0000,-0.0000,1.0000},{0.5878,-0.0000,0.8090},{-0.9511,-0.0000,0.3090},{-0.5878,-0.0000,0.8090},{-0.5878,-0.0000,-0.8090},{-0.9511,-0.0000,-0.3090},{0.5878,-0.0000,-0.8090},{-0.0000,-0.0000,-1.0000},{0.6882,0.5257,0.5000},{-0.2629,0.5257,0.8090},{-0.8506,0.5257,-0.0000},{-0.2629,0.5257,-0.8090},{0.6882,0.5257,-0.5000},{0.1625,0.8507,0.5000},{0.5257,0.8507,-0.0000},{-0.4253,0.8507,0.3090},{-0.4253,0.8507,-0.3090},{0.1625,0.8507,-0.5000}},(vec3[]){{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887},{0.4368,0.6047,0.7887}},42,480,12.5};

src/renderer.h

@@ -4,8 +4,6 @@
 #include "linmath.h"
 #include "rendertarget.h"
 
-#define EXPOSURE 2
-
 typedef struct {
   vec3 *verts;
   int *index;
@@ -30,13 +28,6 @@ typedef struct {
   vec3 barycentrics;
 } polygon;
 
-typedef struct {
-  float deltaTime;
-  mat4x4 projMat;
-  render_target *target;
-  vec4 *vert_buffer;
-} renderData;
-
 // model static inline create_model(vec3 *verts, int *index, int vert_size,
 //                                  int index_size) {
 //   model m = {verts, 0, 0, index, vert_size, index_size};
@@ -173,7 +164,7 @@ void render(render_target *target, const model *model, mat4x4 *matrix,
 
     vec2 sp = {};
     vec3 bary = {};
-    vec3 val = {0};
+    vec4 val = {0};
     vec3 nor = {};
     vec3 color = {};
 
@@ -188,19 +179,14 @@ void render(render_target *target, const model *model, mat4x4 *matrix,
         float fY = 1.0f - ((float)y) * texHight;
         sp[0] = fX;
         sp[1] = fY;
-        vec3 pos = {};
         calcBarycentrics(&p, sp, bary);
-        if (bary[0] >= -0.000001f && bary[1] >= -0.000001f &&
+        if (bary[0] >= 0.0f && bary[1] >= 0.0f && bary[2] >= 0.0f) {
-            bary[2] >= -0.000001f) {
+          uint8_t depth = (uint8_t)(255.0 * fApplyBary(bary, (*p.points[0])[2],
-          float fDepth = fApplyBary(bary, (*p.points[0])[2], (*p.points[1])[2],
+                                                       (*p.points[1])[2],
-                                    (*p.points[2])[2]);
+                                                       (*p.points[2])[2]));
-          uint16_t depth = (uint16_t)(65536.0 * fDepth);
+          // if (depth < getDepth(target, x, y)) {
-          if (depth < target_get_depth(target, x, y)) {
           vApplyBary(bary, (*normals[0]), (*normals[1]), (*normals[2]), nor);
-            vec3_norm(nor, nor);
           vApplyBary(bary, (*colors[0]), (*colors[1]), (*colors[2]), color);
-            vApplyBary(bary, (*p.points[0]), (*p.points[1]), (*p.points[2]),
-                       pos);
 
           viewDir[0] = fX;
           viewDir[1] = -fY;
@@ -213,8 +199,7 @@ void render(render_target *target, const model *model, mat4x4 *matrix,
           vec3_dup(val, color);
           float diffuse = MAX(vec3_dot(nor, lightDir), 0.0f);
           // float l = powf(MAX(vec3_dot(halfWay, nor), 0.0), 2.0);
-            float spec =
+          float spec = powf(MAX(vec3_dot(halfWay, nor), 0.0), model->shininess);
-                powf(MAX(vec3_dot(halfWay, nor), 0.0), model->shininess);
           spec *= (model->shininess + 8.0) / 25.1327;
           // val[0] = nor[0] * 0.5 + 0.5;
           // val[1] = nor[1] * 0.5 + 0.5;
@@ -222,18 +207,12 @@ void render(render_target *target, const model *model, mat4x4 *matrix,
           // val[0] = ((float)depth) / 255.0f;
           // val[1] = ((float)depth) / 255.0f;
           // val[2] = ((float)depth) / 255.0f;
-            vec3_scale(val, val, diffuse * 0.5 + spec + 0.2);
+          vec3_scale(val, val, diffuse * 0.5 + spec + 0.5);
-            // vec3_dup(val, bary);
+          // vec3_set(val, l);
-            // vec3_min(val, val, (vec3){1.0f, 1.0f, 1.0f});
+          val[3] = ((float)depth) / 255.0f;
-            // vec3_set(val, fDepth);
+
-            // val[3] = ((float)depth) / 255.0f;
+          set(target, x, y, val);
-            // vec3_set(val, diffuse * 0.5 + spec + 0.5);
+          // }
-            // vec3_add(val, val, pos);
-            val[0] = 1.0f - expf(-EXPOSURE * val[0]);
-            val[1] = 1.0f - expf(-EXPOSURE * val[1]);
-            val[2] = 1.0f - expf(-EXPOSURE * val[2]);
-            target_set(target, x, y, val, depth);
-          }
         }
       }
     }

src/rendertarget.h

@@ -7,54 +7,49 @@ typedef struct {
   int width;
   int height;
   uint8_t *pixels;
-  uint16_t *depth;
 } render_target;
 
 int bufferSize(int width, int height) {
-  return width * height * 3 * sizeof(uint8_t);
+  return width * height * 4 * sizeof(uint8_t);
 }
 
 void clearTarget(render_target *r) {
-  memset(r->pixels, 0, 3 * r->height * r->width * sizeof(uint8_t));
+  memset(r->pixels, 0, 4 * r->height * r->width * sizeof(uint8_t));
-  memset(r->depth, 255, r->height * r->width * sizeof(uint16_t));
+  for (int i = 3; i < r->height * r->height * 4; i += 4) {
-  // for (int i = 3; i < r->height * r->height * 3; i += 3) {
+    r->pixels[i] = 255;
-  //   r->pixels[i] = 255;
+  }
-  // }
 }
 
-LINMATH_H_FUNC void target_set_color(render_target *r, int x, int y, vec3 val) {
+void setColor(render_target *r, int x, int y, vec3 val) {
-  int start = (r->width * y + x) * 3;
+  int start = (r->width * y + x) * 4;
   r->pixels[start + 0] = (uint8_t)(val[0] * 255);
   r->pixels[start + 1] = (uint8_t)(val[1] * 255);
   r->pixels[start + 2] = (uint8_t)(val[2] * 255);
 }
-LINMATH_H_FUNC void target_get_color(render_target *r, int x, int y,
+void getColor(render_target *r, int x, int y, int dst[3]) {
-                                     int dst[3]) {
+  int start = (r->width * y + x) * 4;
-  int start = (r->width * y + x) * 3;
   dst[0] = r->pixels[start + 0];
   dst[1] = r->pixels[start + 1];
   dst[2] = r->pixels[start + 2];
 }
-LINMATH_H_FUNC void target_set(render_target *r, int x, int y, vec3 val,
+void set(render_target *r, int x, int y, vec4 val) {
-                               uint16_t depth) {
+  int start = (r->width * y + x) * 4;
-  int start = (r->width * y + x) * 3;
   r->pixels[start + 0] = (uint8_t)(val[0] * 255);
   r->pixels[start + 1] = (uint8_t)(val[1] * 255);
   r->pixels[start + 2] = (uint8_t)(val[2] * 255);
-  r->depth[r->width * y + x] = depth;
+  r->pixels[start + 3] = (uint8_t)(val[3] * 255);
 }
-// LINMATH_H_FUNC void get(render_target *r, int x, int y, int d
+void get(render_target *r, int x, int y, int dst[4]) {
-//   int start = (r->width * y + x) * 3;
+  int start = (r->width * y + x) * 4;
-//   dst[0] = r->pixels[start + 0];
+  dst[0] = r->pixels[start + 0];
-//   dst[1] = r->pixels[start + 1];
+  dst[1] = r->pixels[start + 1];
-//   dst[2] = r->pixels[start + 2];
+  dst[2] = r->pixels[start + 2];
-//   dst[3] = r->pixels[start + 3];
+  dst[3] = r->pixels[start + 3];
-// }
-LINMATH_H_FUNC void target_set_depth(render_target *r, int x, int y,
-                                     float val) {
-  r->depth[(r->width * y + x)] = (uint16_t)(val * 255);
 }
-LINMATH_H_FUNC uint16_t target_get_depth(render_target *r, int x, int y) {
+void setDepth(render_target *r, int x, int y, float val) {
-  return r->depth[r->width * y + x];
+  r->pixels[(r->width * y + x) * 4 + 3] = (uint8_t)(val * 255);
+}
+uint8_t getDepth(render_target *r, int x, int y) {
+  return r->pixels[(r->width * y + x) * 4 + 3];
 }
 #endif

switch.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+if [ -e "mathTest.cpp" ]; then
+	mv main.cpp oldMain.cpp
+	mv mathTest.cpp main.cpp
+else
+	mv main.cpp mathTest.cpp
+	mv oldMain.cpp main.cpp
+fi

test.gltf

@@ -0,0 +1,297 @@
+{
+	"asset":{
+		"generator":"Khronos glTF Blender I/O v5.1.18",
+		"version":"2.0"
+	},
+	"scene":0,
+	"scenes":[
+		{
+			"name":"Scene.009",
+			"nodes":[
+				0,
+				1,
+				2
+			]
+		}
+	],
+	"nodes":[
+		{
+			"mesh":0,
+			"name":"Fairy_Dust_full.002",
+			"scale":[
+				0.007043707650154829,
+				0.007043707650154829,
+				0.007043707650154829
+			],
+			"translation":[
+				0,
+				-1.292056679725647,
+				0
+			]
+		},
+		{
+			"mesh":1,
+			"name":"Cylinder.002",
+			"rotation":[
+				0,
+				-0.7071068286895752,
+				0,
+				0.7071068286895752
+			],
+			"scale":[
+				0.7209481596946716,
+				0.7209481596946716,
+				0.7209481596946716
+			],
+			"translation":[
+				0,
+				0.47851109504699707,
+				-10
+			]
+		},
+		{
+			"mesh":2,
+			"name":"Suzanne.001",
+			"translation":[
+				0,
+				2.779357671737671,
+				0
+			]
+		}
+	],
+	"materials":[
+		{
+			"doubleSided":true,
+			"name":"Material.001",
+			"pbrMetallicRoughness":{
+				"metallicFactor":0
+			}
+		}
+	],
+	"meshes":[
+		{
+			"name":"Fairy_Dust_full.002",
+			"primitives":[
+				{
+					"attributes":{
+						"POSITION":0,
+						"NORMAL":1
+					},
+					"indices":2
+				}
+			]
+		},
+		{
+			"name":"Cylinder.002",
+			"primitives":[
+				{
+					"attributes":{
+						"POSITION":3,
+						"NORMAL":4,
+						"TEXCOORD_0":5,
+						"COLOR_0":6
+					},
+					"indices":7,
+					"material":0
+				}
+			]
+		},
+		{
+			"name":"Suzanne",
+			"primitives":[
+				{
+					"attributes":{
+						"POSITION":8,
+						"NORMAL":9,
+						"TEXCOORD_0":10
+					},
+					"indices":11
+				}
+			]
+		}
+	],
+	"accessors":[
+		{
+			"bufferView":0,
+			"componentType":5126,
+			"count":444720,
+			"max":[
+				151.8914031982422,
+				630.0626220703125,
+				133.6092071533203
+			],
+			"min":[
+				-103.52690124511719,
+				-4.516704088378728e-15,
+				-133.6092071533203
+			],
+			"type":"VEC3"
+		},
+		{
+			"bufferView":1,
+			"componentType":5126,
+			"count":444720,
+			"type":"VEC3"
+		},
+		{
+			"bufferView":2,
+			"componentType":5125,
+			"count":471222,
+			"type":"SCALAR"
+		},
+		{
+			"bufferView":3,
+			"componentType":5126,
+			"count":172,
+			"max":[
+				1.0631183385849,
+				2.3016695976257324,
+				1.0250295400619507
+			],
+			"min":[
+				-1.0094571113586426,
+				-2.2646777629852295,
+				-1.0250295400619507
+			],
+			"type":"VEC3"
+		},
+		{
+			"bufferView":4,
+			"componentType":5126,
+			"count":172,
+			"type":"VEC3"
+		},
+		{
+			"bufferView":5,
+			"componentType":5126,
+			"count":172,
+			"type":"VEC2"
+		},
+		{
+			"bufferView":6,
+			"componentType":5126,
+			"count":172,
+			"type":"VEC3"
+		},
+		{
+			"bufferView":7,
+			"componentType":5123,
+			"count":876,
+			"type":"SCALAR"
+		},
+		{
+			"bufferView":8,
+			"componentType":5126,
+			"count":555,
+			"max":[
+				1.3671875,
+				0.984375,
+				0.8515625
+			],
+			"min":[
+				-1.3671875,
+				-0.984375,
+				-0.8515625
+			],
+			"type":"VEC3"
+		},
+		{
+			"bufferView":9,
+			"componentType":5126,
+			"count":555,
+			"type":"VEC3"
+		},
+		{
+			"bufferView":10,
+			"componentType":5126,
+			"count":555,
+			"type":"VEC2"
+		},
+		{
+			"bufferView":11,
+			"componentType":5123,
+			"count":2904,
+			"type":"SCALAR"
+		}
+	],
+	"bufferViews":[
+		{
+			"buffer":0,
+			"byteLength":5336640,
+			"byteOffset":0,
+			"target":34962
+		},
+		{
+			"buffer":0,
+			"byteLength":5336640,
+			"byteOffset":5336640,
+			"target":34962
+		},
+		{
+			"buffer":0,
+			"byteLength":1884888,
+			"byteOffset":10673280,
+			"target":34963
+		},
+		{
+			"buffer":0,
+			"byteLength":2064,
+			"byteOffset":12558168,
+			"target":34962
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+}

test.mtl

@@ -1,8 +1,8 @@
-# Blender 5.1.0 MTL File: 'None'
+# Blender 5.0.0 MTL File: 'test.blend'
 # www.blender.org
 
 newmtl Material.001
-Ns 250.000000
+Ns 0.000000
 Ka 1.000000 1.000000 1.000000
 Kd 0.800000 0.800000 0.800000
 Ks 0.500000 0.500000 0.500000

test.obj

@@ -0,0 +1,836 @@
+# Blender 5.0.0
+# www.blender.org
+mtllib test.mtl
+o Cylinder.003
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