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Author SHA1 Message Date
Amy Retzerau
363849ee0c feat: c model loading 2026-04-03 12:40:19 +02:00
Amy Retzerau
064fcc4068 setuo: clang cache to gitignore 2026-04-03 12:39:24 +02:00
Amy Retzerau
74b95163c7 refactor: removed cpp code 2026-04-03 12:39:03 +02:00
15 changed files with 1236 additions and 961 deletions
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1
.gitignore vendored
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@@ -1 +1,2 @@
build build
.cache

411
fastmath.hpp
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@@ -1,411 +0,0 @@
#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 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 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(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) {}
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

156
main.cpp
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@@ -1,156 +0,0 @@
#include "fastmath.hpp"
#include "polygon.hpp"
#include "renderer.hpp"
#include "rendertarget.hpp"
#include "testModel.hpp"
#include <QApplication>
#include <QImage>
#include <QLabel>
#include <QObject>
#include <QPixmap>
#include <QTimer>
#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;
}
void drawImage(unsigned short *img) {
decimal heightPerPix = decimal(1.0) / decimal((float)(HIGHT * FAA_FAC));
decimal widthPerPix = decimal(1.0) / decimal((float)(WIDTH * FAA_FAC));
polygon poly = polygon(vec3(0.9, 0.9, 0.0) * decimal(128.0),
vec3(0.5, 0.1, 0.0) * decimal(128.0),
vec3(0.1, 0.9, 0.0) * decimal(128.0));
// printf("\n hpp: %f, wpp: %f
// \n",TO_FLOAT(heightPerPix),TO_FLOAT(widthPerPix)); calcViewPos(t);
for (decimal y = 0; y < decimal((float)(RHIGHT)); y += decimal(1.0)) {
for (decimal x = 0; x < decimal((float)(RWIDTH)); x += decimal(1.0)) {
vec3 p = vec3(x, y, 0.0);
if (poly.contains(p)) {
img[(y.i >> SHIFT_AMOUNT) * RWIDTH + (x.i >> SHIFT_AMOUNT)] =
(unsigned short)23; // (((-normal[1]+(1 <<
// SHIFT_AMOUNT))*14)>>SHIFT_AMOUNT);
}
}
}
printf("done writing %d \n", *(img + sizeof(unsigned short) * 32 * 32));
}
int main(int argc, char *argv[]) {
Rendertarget target(128, 128);
Renderer renderer;
renderer.target = &target;
polygon poly =
polygon(vec3(0.9, 0.9, 1.0), vec3(0.5, 0.1, 1.0), vec3(0.1, 0.9, 1.0));
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];
}
};
QApplication a(argc, argv);
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()));
float rot = 0.f;
std::function<void()> renderLoop = [&addTo, &target, &pixel, &renderer,
&display, &widget, &img, &rot]() {
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(rot));
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);
display.setPixmap(QPixmap::fromImage(img).scaled(widget.size() * 1));
rot += 0.1f;
};
renderLoop();
widget.show();
QTimer timer;
timer.setInterval(20);
timer.start();
QObject::connect(&timer, &QTimer::timeout, &widget, renderLoop);
return a.exec();
}

16
model.hpp
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@@ -1,16 +0,0 @@
#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

17
parseObj.py
View File

@@ -37,23 +37,32 @@ for index, line in enumerate(content):
faces = content[startFaces:-1] faces = content[startFaces:-1]
break break
colors = ["vec3(" + ",".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) for d in face.split(" ")[1:4]]) ",".join(
[
str(int((d.split("/")[0])) - 1) + "," + str(int((d.split("/")[2])) - 1)
for d in face.split(" ")[1:4]
]
)
for face in faces for face in faces
] ]
normals = ["vec3(" + ",".join(normal.split(" ")[1:4]) + ")" for normal in normals] normals = ["{" + ",".join(normal.split(" ")[1:4]) + "}" for normal in normals]
out = ( out = (
'#include "../renderer.h" \n const model testModel = {(vec3[]){' '#include "../renderer.h" \n const model testModel = {(vec3[]){'
+ ",".join(verts) + ",".join(verts)
+ "},(int[]){" + "},(int[]){"
+ ",".join(faces) + ",".join(faces)
+ "},(vec3[]){"
+ ",".join(normals)
+ "},(vec3[]){"
+ ",".join(colors)
+ "}," + "},"
+ str(len(verts)) + str(len(verts))
+ "," + ","
+ str(len(faces) * 3) + str(len(faces) * 6)
+ "};" + "};"
) )

727
plane.obj Normal file
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@@ -0,0 +1,727 @@
# Blender 5.1.0
# www.blender.org
mtllib plane.mtl
o Cylinder.002
v 0.698513 0.757563 0.000000 0.0000 0.4470 0.0334
v 0.044645 2.825787 0.000000 0.0000 0.4470 0.0334
v 0.656388 0.757563 0.238906 0.0000 0.4470 0.0334
v 0.041953 2.825787 0.015270 0.0000 0.4470 0.0334
v 0.535092 0.757563 0.448996 0.0000 0.4470 0.0334
v 0.034200 2.825787 0.028697 0.0000 0.4470 0.0334
v 0.349257 0.757563 0.604930 0.0000 0.4470 0.0334
v 0.022323 2.825787 0.038664 0.0000 0.4470 0.0334
v 0.121296 0.757563 0.687901 0.0000 0.4470 0.0334
v 0.007753 2.825787 0.043967 0.0000 0.4470 0.0334
v -0.121296 0.757563 0.687901 0.0000 0.4470 0.0334
v -0.007753 2.825787 0.043967 0.0000 0.4470 0.0334
v -0.349257 0.757563 0.604930 0.0000 0.4470 0.0334
v -0.022323 2.825787 0.038664 0.0000 0.4470 0.0334
v -0.535092 0.757563 0.448996 0.0000 0.4470 0.0334
v -0.034200 2.825787 0.028697 0.0000 0.4470 0.0334
v -0.656388 0.757563 0.238906 0.0000 0.4470 0.0334
v -0.041953 2.825787 0.015270 0.0000 0.4470 0.0334
v -0.698513 0.757563 -0.000000 0.0000 0.4470 0.0334
v -0.044645 2.825787 0.000000 0.0000 0.4470 0.0334
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134
polygon.hpp
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#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 bounding[4]; // min x, max x, min y, max y
vec3 normals[3];
vec3 colors[3];
vec3 barycentrics;
vec3 boundingBarycentrics;
polygon(const vec3 &v1, const vec3 &v2, const vec3 &v3)
: points{v1, v2, v3}, delta{} {}
polygon() : points{}, delta{} {}
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;
}
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());
if (baryFactor.isSmall()) {
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;
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 true;
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(-0.01)) &&
(barycentrics[1] >= decimal(-0.01)) &&
(barycentrics[2] >= decimal(-0.01));
}
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));
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];
// return result;
boundingBarycentrics = vec3::max(
vec3::min(barycentrics, vec3(1.0, 1.0, 1.0)), vec3(0.0, 0.0, 0.0));
}
};
#endif

136
renderer.hpp
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#ifndef RENDERER_H
#define RENDERER_H
#include "fastmath.hpp"
#include "model.hpp"
#include "polygon.hpp"
#include "rendertarget.hpp"
#include <bits/stdc++.h>
#include <cstring>
#include <memory.h>
#define SCREEN_SPACE_SIZE 8.0
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(2.0) * decimal(SCREEN_SPACE_SIZE) +
decimal(SCREEN_SPACE_SIZE);
tp.y() = tp.y() / tp.z() * decimal(2.0) * 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
if (clearTarget) {
// memset((wchar_t *)target->pixels, 0,
// target->height * target->width * sizeof(target[0]));
target->clearDepth();
target->clearTarget();
}
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::min<int>((testP.bounding[1] * invWidthScale).i >>
SHIFT_AMOUNT,
(uint32_t)target->width - 1);
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);
vec3 pos = vec3(testP.bounding[0], testP.bounding[2], 0.0);
for (int x = startX; x < endX; x++) {
for (int y = startY; y < endY; y++) {
if (testP.depContains(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

45
rendertarget.hpp
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@@ -1,45 +0,0 @@
#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

26
src/gameObjs.h Normal file
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@@ -0,0 +1,26 @@
#include "models/plane.h"
#include "renderer.h"
typedef struct {
mat4x4 transform;
vec3 velocity;
model model;
} gameObj;
gameObj rocket = {
{{1., 0., 0., 0.}, {0., 1., 0., 0.}, {0., 0., 1., 0.}, {0., -1., -10., 0.}},
{0.0, 0.0, 0.0},
testModel};
const gameObj *allGameObjs[] = {&rocket};
int vertBufferSize() {
int count = sizeof(allGameObjs) / sizeof(void *);
int result = 0;
for (int i = 0; i < count; i++) {
if (result < allGameObjs[i]->model.vert_size) {
result = allGameObjs[i]->model.vert_size;
}
}
return result * sizeof(vec4);
}

12
src/linmath.h
View File

@@ -19,6 +19,7 @@
#define REPEAT_4(FN) REPEAT_3(FN) FN(3) #define REPEAT_4(FN) REPEAT_3(FN) FN(3)
#define add(i) r[i] = a[i] + b[i]; #define add(i) r[i] = a[i] + b[i];
#define set(i) r[i] = v;
#define sub(i) r[i] = a[i] - b[i]; #define sub(i) r[i] = a[i] - b[i];
#define scale(i) r[i] = v[i] * s; #define scale(i) r[i] = v[i] * s;
#define add_scale(i) r[i] = v[i] * s; #define add_scale(i) r[i] = v[i] * s;
@@ -29,6 +30,9 @@
#define LINMATH_H_DEFINE_VEC(n) \ #define LINMATH_H_DEFINE_VEC(n) \
typedef float vec##n[n]; \ typedef float vec##n[n]; \
LINMATH_H_FUNC void vec##n##_set(vec##n r, float const v) { \
REPEAT_##n(set); \
} \
LINMATH_H_FUNC void vec##n##_add(vec##n r, vec##n const a, vec##n const b) { \ LINMATH_H_FUNC void vec##n##_add(vec##n r, vec##n const a, vec##n const b) { \
REPEAT_##n(add); \ REPEAT_##n(add); \
} \ } \
@@ -87,6 +91,7 @@ LINMATH_H_DEFINE_VEC(2)
LINMATH_H_DEFINE_VEC(3) LINMATH_H_DEFINE_VEC(3)
LINMATH_H_DEFINE_VEC(4) LINMATH_H_DEFINE_VEC(4)
#undef set
#undef add #undef add
#undef sub #undef sub
#undef scale #undef scale
@@ -124,6 +129,13 @@ LINMATH_H_FUNC void vec4_reflect(vec4 r, vec4 const v, vec4 const n) {
} }
typedef vec4 mat4x4[4]; typedef vec4 mat4x4[4];
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) { LINMATH_H_FUNC void mat4x4_identity(mat4x4 M) {
int i, j; int i, j;
for (i = 0; i < 4; ++i) for (i = 0; i < 4; ++i)

31
src/main.c
View File

@@ -1,5 +1,5 @@
#include "gameObjs.h"
#include "linmath.h" #include "linmath.h"
#include "models/plane.h"
#include "renderer.h" #include "renderer.h"
#include <signal.h> #include <signal.h>
#include <stdint.h> #include <stdint.h>
@@ -102,14 +102,7 @@ int main(void) {
render_target target = {WIDTH, HEIGHT, malloc(PIX_COUNT * 4)}; render_target target = {WIDTH, HEIGHT, malloc(PIX_COUNT * 4)};
clearTarget(&target); clearTarget(&target);
// model m; vec4 *buffer = malloc(vertBufferSize());
// m = create_model((vec3[]){{-2.0f, -2.0f, -10.0f},
// {-2.0f, 2.0f, -10.0f},
// {2.0f, 2.0f, -10.0f},
// {2.0f, -2.0f, -10.0f}},
// (int[]){0, 2, 1, 0, 3, 2}, 4, 6);
// vec3_print(m.verts[0]);
vec4 *buffer = malloc(sizeof(vec4) * testModel.vert_size);
mat4x4 projMat = {}; mat4x4 projMat = {};
mat4x4 viewMat = {}; mat4x4 viewMat = {};
mat4x4 drawMat = {}; mat4x4 drawMat = {};
@@ -126,12 +119,14 @@ int main(void) {
clock_t now = clock(); clock_t now = clock();
clock_t renderC; clock_t renderC;
float deltaTime; // in seconds
while (!stop) { while (!stop) {
now = clock(); now = clock();
printf("total time: %fms\n", deltaTime = ((float)(now - start)) / CLOCKS_PER_SEC;
((float)(now - start)) / (0.001 * CLOCKS_PER_SEC));
printf("render time: %fms\n", ((float)renderC) / (0.001 * CLOCKS_PER_SEC));
start = now; start = now;
printf("total time: %fms\n", deltaTime * 1000);
printf("render time: %fms\n", ((float)renderC) / (0.001 * CLOCKS_PER_SEC));
if (read(STDIN_FILENO, &lastKey, 1) == -1) { if (read(STDIN_FILENO, &lastKey, 1) == -1) {
perror("read failed"); perror("read failed");
@@ -141,7 +136,7 @@ int main(void) {
switch (lastKey) { switch (lastKey) {
case 'w': case 'w':
mat4x4_translate_in_place(viewMat, 0, 0, -0.2); rocket.velocity[1] = (rocket.velocity[1] * 0.9 + 20 * 0.1);
break; break;
case 's': case 's':
mat4x4_translate_in_place(viewMat, 0, 0, 0.2); mat4x4_translate_in_place(viewMat, 0, 0, 0.2);
@@ -156,11 +151,17 @@ int main(void) {
lastKey = 0; lastKey = 0;
rocket.velocity[1] +=
(-4.0f + 0.5 * powf(MIN(rocket.velocity[1], 0.0), 2.0f)) * deltaTime;
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_translate_in_place(viewMat, 0, 0, .1);
mat4x4_mul(drawMat, projMat, viewMat); mat4x4_mul(drawMat, projMat, rocket.transform);
clearTarget(&target); clearTarget(&target);
renderC = clock(); renderC = clock();
render(&target, &testModel, &drawMat, buffer); render(&target, &rocket.model, &drawMat, buffer);
renderC = clock() - renderC; renderC = clock() - renderC;
base64encode(&target, encodeBuff); base64encode(&target, encodeBuff);

357
src/models/plane.h
View File

@@ -1,2 +1,355 @@
#include "../renderer.h" #include "../renderer.h"
const model testModel = {(vec3[]){{1.000000,1.000000,-11.000000},{1.000000,-1.000000,-11.000000},{1.000000,1.000000,-9.000000},{1.000000,-1.000000,-9.000000},{-1.000000,1.000000,-11.000000},{-1.000000,-1.000000,-11.000000},{-1.000000,1.000000,-9.000000},{-1.000000,-1.000000,-9.000000}},(int[]){4,2,0,2,7,3,6,5,7,1,7,5,0,3,1,4,1,5,4,6,2,2,6,7,6,4,5,1,3,7,0,2,3,4,0,1},8,36}; 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,
41, 41, 136, 136, 40, 40, 57, 57, 141, 141, 58, 58, 60, 60,
143, 143, 43, 43, 40, 40, 144, 144, 39, 39, 1, 1, 3, 3,
91, 91, 91, 91, 3, 3, 5, 5, 5, 5, 7, 7, 93, 93,
7, 7, 9, 9, 94, 94, 9, 9, 11, 11, 95, 95, 11, 11,
13, 13, 96, 96, 96, 96, 13, 13, 15, 15, 15, 15, 17, 17,
98, 98, 98, 98, 17, 17, 19, 19, 19, 19, 21, 21, 100, 100,
100, 100, 21, 21, 23, 23, 23, 23, 25, 25, 102, 102, 25, 25,
27, 27, 103, 103, 27, 27, 29, 29, 104, 104, 104, 104, 29, 29,
31, 31, 31, 31, 33, 33, 106, 106, 33, 33, 35, 35, 107, 107,
35, 35, 1, 1, 90, 90, 4, 4, 74, 74, 73, 73, 53, 53,
36, 36, 71, 71, 52, 52, 53, 53, 70, 70, 51, 51, 52, 52,
69, 69, 50, 50, 51, 51, 68, 68, 49, 49, 50, 50, 67, 67,
65, 65, 48, 48, 49, 49, 64, 64, 47, 47, 48, 48, 46, 46,
47, 47, 64, 64, 62, 62, 45, 45, 46, 46, 44, 44, 45, 45,
62, 62, 119, 119, 113, 113, 44, 44, 136, 136, 126, 126, 124, 124,
142, 142, 135, 135, 132, 132, 141, 141, 140, 140, 127, 127, 137, 137,
128, 128, 126, 126, 138, 138, 139, 139, 133, 133, 37, 37, 117, 117,
118, 118, 71, 71, 36, 36, 37, 37, 0, 0, 71, 71, 54, 54,
54, 54, 118, 118, 4, 4, 4, 4, 118, 118, 120, 120, 120, 120,
121, 121, 8, 8, 121, 121, 122, 122, 10, 10, 122, 122, 123, 123,
12, 12, 123, 123, 119, 119, 14, 14, 14, 14, 119, 119, 61, 61,
16, 16, 61, 61, 62, 62, 18, 18, 62, 62, 63, 63, 63, 63,
64, 64, 22, 22, 64, 64, 65, 65, 24, 24, 65, 65, 66, 66,
26, 26, 66, 66, 67, 67, 28, 28, 67, 67, 68, 68, 30, 30,
68, 68, 69, 69, 32, 32, 69, 69, 70, 70, 34, 34, 34, 34,
70, 70, 71, 71, 89, 89, 72, 72, 73, 73, 73, 73, 74, 74,
75, 75, 75, 75, 76, 76, 77, 77, 77, 77, 78, 78, 79, 79,
79, 79, 80, 80, 81, 81, 81, 81, 82, 82, 83, 83, 83, 83,
84, 84, 85, 85, 85, 85, 86, 86, 87, 87, 87, 87, 88, 88,
89, 89, 89, 89, 73, 73, 75, 75, 75, 75, 77, 77, 79, 79,
79, 79, 81, 81, 83, 83, 83, 83, 85, 85, 87, 87, 87, 87,
89, 89, 75, 75, 75, 75, 79, 79, 83, 83, 14, 14, 79, 79,
78, 78, 24, 24, 84, 84, 83, 83, 34, 34, 89, 89, 88, 88,
10, 10, 77, 77, 76, 76, 20, 20, 82, 82, 81, 81, 30, 30,
87, 87, 86, 86, 6, 6, 75, 75, 74, 74, 16, 16, 80, 80,
79, 79, 2, 2, 73, 73, 72, 72, 26, 26, 85, 85, 84, 84,
0, 0, 72, 72, 89, 89, 12, 12, 78, 78, 77, 77, 22, 22,
83, 83, 82, 82, 32, 32, 88, 88, 87, 87, 8, 8, 76, 76,
75, 75, 18, 18, 81, 81, 80, 80, 28, 28, 86, 86, 85, 85,
107, 107, 90, 90, 36, 36, 106, 106, 107, 107, 53, 53, 105, 105,
106, 106, 52, 52, 104, 104, 105, 105, 51, 51, 103, 103, 104, 104,
50, 50, 102, 102, 103, 103, 49, 49, 101, 101, 102, 102, 48, 48,
100, 100, 101, 101, 47, 47, 99, 99, 100, 100, 46, 46, 98, 98,
99, 99, 45, 45, 97, 97, 98, 98, 44, 44, 112, 112, 96, 96,
97, 97, 95, 95, 96, 96, 112, 112, 94, 94, 95, 95, 114, 114,
116, 116, 93, 93, 94, 94, 92, 92, 93, 93, 116, 116, 37, 37,
91, 91, 92, 92, 90, 90, 91, 91, 37, 37, 42, 42, 112, 112,
113, 113, 41, 41, 114, 114, 112, 112, 40, 40, 115, 115, 114, 114,
40, 40, 39, 39, 116, 116, 39, 39, 38, 38, 117, 117, 38, 38,
55, 55, 118, 118, 43, 43, 113, 113, 119, 119, 56, 56, 120, 120,
118, 118, 57, 57, 121, 121, 120, 120, 58, 58, 122, 122, 121, 121,
58, 58, 59, 59, 123, 123, 59, 59, 60, 60, 119, 119, 130, 130,
132, 132, 135, 135, 128, 128, 130, 130, 131, 131, 126, 126, 128, 128,
129, 129, 125, 125, 124, 124, 126, 126, 134, 134, 133, 133, 124, 124,
141, 141, 129, 129, 131, 131, 146, 146, 143, 143, 132, 132, 147, 147,
138, 138, 134, 134, 144, 144, 124, 124, 133, 133, 145, 145, 131, 131,
135, 135, 137, 137, 146, 146, 130, 130, 140, 140, 147, 147, 125, 125,
57, 57, 56, 56, 147, 147, 41, 41, 42, 42, 146, 146, 59, 59,
145, 145, 142, 142, 39, 39, 144, 144, 139, 139, 56, 56, 55, 55,
138, 138, 42, 42, 43, 43, 143, 143, 58, 58, 141, 141, 145, 145,
55, 55, 38, 38, 139, 139, 41, 41, 137, 137, 136, 136, 57, 57,
140, 140, 141, 141, 60, 60, 142, 142, 143, 143, 40, 40, 136, 136,
144, 144},
(vec3[]){{0.9841, -0.1778, -0.0000}, {0.9146, 0.4043, -0.0000},
{0.9247, -0.1778, 0.3366}, {0.7754, 0.5378, 0.3310},
{0.7540, -0.1768, 0.6327}, {0.4942, 0.7357, 0.4632},
{0.4920, -0.1778, 0.8522}, {0.3013, 0.7980, 0.5219},
{0.1709, -0.1778, 0.9691}, {0.1541, 0.7357, 0.6596},
{-0.1709, -0.1778, 0.9691}, {-0.1010, 0.5378, 0.8370},
{-0.4920, -0.1778, 0.8522}, {-0.4573, 0.4043, 0.7921},
{-0.7540, -0.1768, 0.6327}, {-0.6743, 0.5378, 0.5060},
{-0.9247, -0.1778, 0.3366}, {-0.6483, 0.7357, 0.1964},
{-0.9841, -0.1778, -0.0000}, {-0.6026, 0.7980, -0.0000},
{-0.9247, -0.1778, -0.3366}, {-0.6483, 0.7357, -0.1964},
{-0.7538, -0.1778, -0.6325}, {-0.6743, 0.5378, -0.5060},
{-0.4920, -0.1778, -0.8522}, {-0.4573, 0.4043, -0.7921},
{-0.1709, -0.1778, -0.9691}, {-0.1010, 0.5378, -0.8370},
{0.1709, -0.1778, -0.9691}, {0.1541, 0.7357, -0.6596},
{0.4920, -0.1778, -0.8522}, {0.3013, 0.7980, -0.5219},
{0.7538, -0.1778, -0.6325}, {0.4942, 0.7357, -0.4632},
{0.9247, -0.1778, -0.3366}, {0.7754, 0.5378, -0.3310},
{0.9117, 0.4109, -0.0000}, {0.8130, 0.4345, 0.3877},
{0.8011, 0.3907, 0.4535}, {0.5809, 0.7552, 0.3037},
{0.1433, 0.7300, 0.6682}, {-0.1433, 0.7300, 0.6682},
{-0.5809, 0.7552, 0.3037}, {-0.8011, 0.3907, 0.4535},
{-0.8130, 0.4345, 0.3877}, {-0.9117, 0.4109, -0.0000},
{-0.8567, 0.4109, -0.3118}, {-0.6984, 0.4109, -0.5860},
{-0.4558, 0.4109, -0.7895}, {-0.1583, 0.4109, -0.8978},
{0.1583, 0.4109, -0.8978}, {0.4558, 0.4109, -0.7895},
{0.6984, 0.4109, -0.5860}, {0.8567, 0.4109, -0.3118},
{0.9423, 0.0728, 0.3267}, {0.6347, 0.1973, 0.7472},
{0.4225, 0.2699, 0.8652}, {0.1829, 0.1701, 0.9683},
{-0.1829, 0.1701, 0.9683}, {-0.4225, 0.2699, 0.8652},
{-0.6347, 0.1973, 0.7472}, {-0.9423, 0.0728, 0.3267},
{-0.9955, 0.0944, -0.0000}, {-0.9355, 0.0944, -0.3405},
{-0.7626, 0.0944, -0.6399}, {-0.4978, 0.0944, -0.8622},
{-0.1729, 0.0944, -0.9804}, {0.1729, 0.0944, -0.9804},
{0.4978, 0.0944, -0.8622}, {0.7626, 0.0944, -0.6399},
{0.9355, 0.0944, -0.3405}, {0.9955, 0.0944, -0.0000},
{0.6306, -0.7761, -0.0000}, {0.5926, -0.7761, 0.2157},
{0.4830, -0.7761, 0.4053}, {0.3153, -0.7761, 0.5461},
{0.1095, -0.7761, 0.6210}, {-0.1095, -0.7761, 0.6210},
{-0.3153, -0.7761, 0.5461}, {-0.4831, -0.7761, 0.4053},
{-0.5925, -0.7761, 0.2157}, {-0.6306, -0.7761, -0.0000},
{-0.5925, -0.7761, -0.2157}, {-0.4831, -0.7761, -0.4053},
{-0.3153, -0.7761, -0.5461}, {-0.1095, -0.7761, -0.6210},
{0.1095, -0.7761, -0.6210}, {0.3153, -0.7761, -0.5461},
{0.4830, -0.7761, -0.4053}, {0.5925, -0.7761, -0.2157},
{0.7312, 0.6821, -0.0000}, {0.6871, 0.6821, 0.2501},
{0.5656, 0.6745, 0.4746}, {0.3656, 0.6821, 0.6333},
{0.1270, 0.6821, 0.7201}, {-0.1270, 0.6821, 0.7201},
{-0.3656, 0.6821, 0.6333}, {-0.5656, 0.6745, 0.4746},
{-0.6871, 0.6821, 0.2501}, {-0.7312, 0.6821, -0.0000},
{-0.6871, 0.6821, -0.2501}, {-0.5601, 0.6821, -0.4700},
{-0.3656, 0.6821, -0.6333}, {-0.1270, 0.6821, -0.7201},
{0.1270, 0.6821, -0.7201}, {0.3656, 0.6821, -0.6333},
{0.5601, 0.6821, -0.4700}, {0.6871, 0.6821, -0.2501},
{0.9437, 0.3307, -0.0000}, {-0.4719, 0.3307, -0.8173},
{-0.4719, 0.3307, 0.8173}, {-0.0000, 1.0000, -0.0000},
{-0.4787, 0.5258, 0.7031}, {-0.7169, 0.4126, 0.5620},
{-0.1342, 0.4369, 0.8895}, {0.1342, 0.4369, 0.8895},
{0.4787, 0.5258, 0.7031}, {0.7169, 0.4126, 0.5620},
{0.7577, 0.1650, 0.6315}, {-0.7577, 0.1650, 0.6315},
{0.4534, 0.1969, 0.8693}, {0.1663, 0.2444, 0.9553},
{-0.1663, 0.2444, 0.9553}, {-0.4534, 0.1969, 0.8693},
{0.4906, 0.3661, 0.7907}, {0.3424, -0.0553, 0.9379},
{0.1431, 0.4003, 0.9051}, {0.1012, -0.0377, 0.9942},
{-0.1431, 0.4003, 0.9051}, {-0.1012, -0.0377, 0.9942},
{-0.4906, 0.3661, 0.7907}, {-0.3424, -0.0553, 0.9379},
{-0.7362, 0.2805, 0.6159}, {0.7362, 0.2805, 0.6159},
{0.6174, 0.1400, 0.7741}, {-0.6174, 0.1400, 0.7741},
{0.1165, 0.7887, 0.6037}, {-0.1165, 0.7887, 0.6037},
{0.7537, 0.0880, 0.6512}, {0.8090, 0.3734, 0.4541},
{0.1400, -0.2577, 0.9560}, {-0.1400, -0.2577, 0.9560},
{-0.7537, 0.0880, 0.6512}, {-0.8090, 0.3734, 0.4541},
{0.5043, 0.6625, 0.5539}, {-0.4814, -0.2028, 0.8527},
{-0.5043, 0.6625, 0.5539}, {0.4814, -0.2028, 0.8527}},
(vec3[]){{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.8556, 0.8746, 1.0000}, {0.8556, 0.8746, 1.0000},
{0.8556, 0.8746, 1.0000}, {0.8556, 0.8746, 1.0000},
{0.8556, 0.8746, 1.0000}, {0.8556, 0.8746, 1.0000},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.8556, 0.8746, 1.0000},
{0.8556, 0.8746, 1.0000}, {0.8556, 0.8746, 1.0000},
{0.8556, 0.8746, 1.0000}, {0.8556, 0.8746, 1.0000},
{0.8556, 0.8746, 1.0000}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.9696, 1.0000, 0.0000}, {0.9695, 0.9999, 0.0005},
{0.9696, 1.0000, 0.0000}, {0.9696, 1.0000, 0.0000},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{0.0000, 0.4470, 0.0334}, {0.0000, 0.4470, 0.0334},
{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},
{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};

126
src/renderer.h
View File

@@ -6,11 +6,12 @@
typedef struct { typedef struct {
vec3 *verts; vec3 *verts;
// vec3 *normals;
// vec3 *color;
int *index; int *index;
vec3 *normals;
vec3 *color;
int vert_size; int vert_size;
int index_size; int index_size;
float shininess;
} model; } model;
typedef struct { typedef struct {
@@ -34,6 +35,8 @@ typedef struct {
// vec3_print(verts[0]); // vec3_print(verts[0]);
// return m; // return m;
// }; // };
//
const vec3 lightDir = {0.707, 0.707, 0.0f};
void initPoly(polygon *p) { void initPoly(polygon *p) {
vec4 **points = p->points; vec4 **points = p->points;
@@ -88,11 +91,24 @@ void calcBarycentrics(polygon *p, vec2 s, vec3 r) {
r[0] = 1.f - r[1] - r[2]; r[0] = 1.f - r[1] - r[2];
} }
float applyBary(const vec3 bary, float a, float b, float c) { float fApplyBary(const vec3 bary, float a, float b, float c) {
// float result = 0;
return bary[0] * a + bary[1] * b + bary[2] * c; return bary[0] * a + bary[1] * b + bary[2] * c;
} }
void vApplyBary(const vec3 bary, const vec3 a, const vec3 b, const vec3 c,
vec3 dst) {
vec3 tmp = {};
dst[0] = 0;
dst[1] = 0;
dst[2] = 0;
vec3_scale(tmp, a, bary[0]);
vec3_add(dst, dst, tmp);
vec3_scale(tmp, b, bary[1]);
vec3_add(dst, dst, tmp);
vec3_scale(tmp, c, bary[2]);
vec3_add(dst, dst, tmp);
}
void render(render_target *target, const model *model, mat4x4 *matrix, void render(render_target *target, const model *model, mat4x4 *matrix,
vec4 *buffer) { vec4 *buffer) {
@@ -107,66 +123,96 @@ void render(render_target *target, const model *model, mat4x4 *matrix,
mat4x4_mul_vec4(buffer[i], *matrix, tmp); mat4x4_mul_vec4(buffer[i], *matrix, tmp);
vec4_scale(buffer[i], buffer[i], 1.0 / buffer[i][3]); vec4_scale(buffer[i], buffer[i], 1.0 / buffer[i][3]);
vec4_print(buffer[i]); // vec4_print(buffer[i]);
} }
polygon p = {}; polygon p = {};
for (int i = 0; i < model->index_size; i += 3) { vec3 *normals[3] = {};
vec3 *colors[3] = {};
for (int i = 0; i < model->index_size; i += 6) {
p.points[0] = buffer + model->index[i]; p.points[0] = buffer + model->index[i];
p.points[1] = buffer + model->index[i + 1]; p.points[1] = buffer + model->index[i + 2];
p.points[2] = buffer + model->index[i + 2]; p.points[2] = buffer + model->index[i + 4];
initPoly(&p); initPoly(&p);
if (p.norm[2] > 0) if (p.norm[2] > 0)
continue; continue;
printf("baryFac: %f\n", p.baryFactor); normals[0] = model->normals + model->index[i + 1];
normals[1] = model->normals + model->index[i + 3];
normals[2] = model->normals + model->index[i + 5];
// printf("min x :%f, min y: %f\nmax x: %f, max y: %f \n", p.bounding[0], colors[0] = model->color + model->index[i];
// p.bounding[2], p.bounding[1], p.bounding[3]); colors[1] = model->color + model->index[i + 2];
colors[2] = model->color + model->index[i + 4];
// int startX = floor((MAX(-1.0f, p.bounding[0])+1.0)*target->width*0.5);
// int startY = floor((MAX(-1.0f, p.bounding[2])+1.0)*target->height*0.5);
//
// int endX = floor((MIN(1.0f, p.bounding[1])+1.0f)*target->width*0.5);
// int endY = floor((MAX(1.0f, p.bounding[3])+1.0f)*target->height*0.5);
float texWidth = 2.0f / target->width; float texWidth = 2.0f / target->width;
float texHight = 2.0f / target->width; float texHight = 2.0f / target->width;
float startX = MAX(-1.0f, p.bounding[0]); // float startX = MAX(-1.0f, p.bounding[0]);
float startY = MAX(-1.0f, p.bounding[2]); // float startY = MAX(-1.0f, p.bounding[2]);
float endX = MIN(1.0f, p.bounding[1]); // float endX = MIN(1.0f, p.bounding[1]);
float endY = MIN(1.0f, p.bounding[3]); // float endY = MIN(1.0f, p.bounding[3]);
float startX = (MAX(-1.0f, p.bounding[0]) + 1.0f) * 0.5f * target->width;
float endY = (-MAX(-1.0f, p.bounding[2]) + 1.0f) * 0.5f * target->height;
float endX = (MIN(1.0f, p.bounding[1]) + 1.0f) * 0.5f * target->width;
float startY = (-MIN(1.0f, p.bounding[3]) + 1.0f) * 0.5f * target->height;
// printf("min x :%f, min y: %f\n max x: %f, max y: %f \n", startX, startY,
// endX, endY);
//
vec2 sp = {}; vec2 sp = {};
vec3 bary = {}; vec3 bary = {};
vec4 val = {0}; vec4 val = {0};
vec3 nor = {};
vec3 color = {};
for (float y = startY; y < endY; y += texHight) { vec3 viewDir = {};
for (float x = startX; x < endX; x += texWidth) { vec3 halfWay = {};
sp[0] = x;
sp[1] = y; for (int y = startY; y < endY; y += 1) {
for (int x = startX; x < endX; x += 1) {
// for (float y = startY; y < endY; y += texHight) {
// for (float x = startX; x < endX; x += texWidth) {
float fX = ((float)x) * texWidth - 1.0f;
float fY = 1.0f - ((float)y) * texHight;
sp[0] = fX;
sp[1] = fY;
calcBarycentrics(&p, sp, bary); calcBarycentrics(&p, sp, bary);
if (bary[0] >= 0.0f && bary[1] >= 0.0f && bary[2] >= 0.0f) { if (bary[0] >= 0.0f && bary[1] >= 0.0f && bary[2] >= 0.0f) {
uint8_t depth = (uint8_t)(255.0 * applyBary(bary, (*p.points[0])[2], uint8_t depth = (uint8_t)(255.0 * fApplyBary(bary, (*p.points[0])[2],
(*p.points[1])[2], (*p.points[1])[2],
(*p.points[2])[2])); (*p.points[2])[2]));
int pX = (int)((x + 1.f) * target->width * 0.5f); // if (depth < getDepth(target, x, y)) {
int pY = (int)((-y + 1.f) * target->height * 0.5f); vApplyBary(bary, (*normals[0]), (*normals[1]), (*normals[2]), nor);
if (depth < getDepth(target, pX, pY)) { vApplyBary(bary, (*colors[0]), (*colors[1]), (*colors[2]), color);
vec3_dup(val, bary);
// val[0] = ((float)depth) / 255.0f;
// val[1] = ((float)depth) / 255.0f;
// val[2] = ((float)depth) / 255.0f;
val[3] = ((float)depth) / 255.0f;
set(target, pX, pY, val); viewDir[0] = fX;
} viewDir[1] = -fY;
viewDir[2] = 2.144663;
vec3_norm(viewDir, viewDir);
vec3_add(halfWay, viewDir, lightDir);
vec3_norm(halfWay, halfWay);
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 = 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;
// val[2] = nor[2] * 0.5 + 0.5;
// 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 + 0.5);
// vec3_set(val, l);
val[3] = ((float)depth) / 255.0f;
set(target, x, y, val);
// }
} }
} }
} }

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testModel.hpp
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