+ | Shader code include system

shaders/compute.glsl

@@ -1,4 +1,5 @@
 #version 430 core
+#include "shaders/utils.glsl"
 
 // Work group dimensions
 layout(local_size_x = 16, local_size_y = 16) in;
@@ -30,21 +31,6 @@ uniform int		u_frameCount;
 vec3 lightPos = vec3(5.0, 5.0, 5.0);
 vec3 lightColor = vec3(1.0, 1.0, 1.0);
 
-
-const float PHI = 1.61803398874989484820459; // Φ = Golden Ratio 
-float getRandom(in vec2 xy, float seed)
-{
-	return fract(tan(distance(xy*PHI, xy)*seed)*xy.x);
-}
-
-vec3 randomVec3(vec2 uv, int frame)
-{
-    float x = getRandom(uv, float(frame) + 0.1);
-    float y = getRandom(uv + vec2(1.0), float(frame) + 0.2);
-    float z = getRandom(uv + vec2(2.0), float(frame) + 0.3);
-    return vec3(x, y, z);
-}
-
 struct Ray {
 	vec3 origin;
 	vec3 direction;
@@ -113,6 +99,6 @@ void main() {
 
 	vec3 color = pathtrace(ray);
 
-	// Write to the output image
 	imageStore(outputImage, pixelCoords, vec4(randomVec3(uv, u_frameCount), 1.0));
-}
+}
+

shaders/utils.glsl

@@ -0,0 +1,15 @@
+
+float seed = 1.0;
+float getRandom(vec2 uv, int frameCount)
+{
+    float seed = dot(uv, vec2(12.9898, 78.233)) + float(frameCount);
+    return fract(sin(seed) * 43758.5453);
+}
+vec3 randomVec3(vec2 uv, int frameCount)
+{
+    return vec3(
+        getRandom(uv + vec2(0.1, 0.1), frameCount),
+        getRandom(uv + vec2(0.2, 0.2), frameCount),
+        getRandom(uv + vec2(0.3, 0.3), frameCount)
+    );
+}