fix: changes inf ray behaviour for better sky rendering

build.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+cd build
+cmake --build .
+echo "dd bs=1 skip=61<\$0|unlzma>/tmp/C;chmod +x /tmp/C;/tmp/C;exit" > two
+chmod +x two
+sstrip one
+lzma -9 one
+cat one.lzma >> two
+rm one.lzma

main.cpp

@@ -77,8 +77,6 @@ void framebuffer_size_callback(GLFWwindow *window, int width, int height) {
 }
 
 int main(int argc, char **argv) {
-    std::cout << "test";
-    std::cout << std::flush;
 
     GLFWwindow *window;
 

sdf.glsl

@@ -28,7 +28,7 @@ struct Ray {
 };
 
 Ray createRay(vec3 dir, vec3 pos){
-    return Ray(dir, pos, .0, .0, SmallHit(80.,0.,false), vec3(.0));
+    return Ray(dir, pos, .0, .0, SmallHit(80.,0.,false), vec3(1.0));
 }
 
 Ray applyMin(Ray ray, float min) {
@@ -52,11 +52,11 @@ Ray applyMin(Ray ray, float min) {
 
 
 float planeMin(vec3 pos){
-    return pos.y - planeHeight;
+    return pos.y - planeHeight+ 0.2*sin(5*pos.x+t)*sin(5*pos.y+t)*sin(5*pos.z+t);
 }
 
 float sphereMin(vec3 pos){
-    return length(pos - center) - radius + 0.2*sin(5*pos.x+t)*sin(5*pos.y+t)*sin(5*pos.z+t);
+    return length(pos - center) - radius;
 }
 
 Ray minFn(Ray ray){
@@ -88,11 +88,13 @@ Ray march(Ray ray){
     //ray.min = minFn(ray.pos);
     ray = minFn(ray);
     int c = 0;
-    while(( c < 200) && (ray.min < 100.0f) && (ray.min > 0.01f) ) {
+    while(( c < 1000) && (ray.min < 100.0f) && (ray.min > 0.01f) ) {
         ray = minFn(ray);    
         c++;
     }
-
+    if(ray.min > 0.01){
+        ray.color = vec3(1.0);
+    }
     return ray;
 }
 
@@ -142,11 +144,14 @@ void main()
 
     light *= shLeve;
 
+    Ray reflectR = createRay(reflect(ray.dir,normal),ray.pos + 0.1* normal);
+    reflectR = march(reflectR);
+
     if(ray.min <= 0.2){
-        //FragColor = vec4(vec3(shRay.small.min)*0.1,1.0);
-        FragColor = vec4(ray.color * (light+0.3), 1.0);
+        //FragColor = vec4(0,1,0,1.0);
+        FragColor = vec4(mix(ray.color,reflectR.color,0.3) * (light+0.3), 1.0);
     } else {
-        FragColor = vec4(.0,0.0,0.0,1.0);
+        FragColor = vec4(ray.color,1.0);
     }
 
 }