Refactor rendering

frontend/src/shaders/rainbow-shading-fs.glsl

@@ -1,50 +0,0 @@
-#version 300 es
-
-precision mediump float;
-
-
-vec3 rainbow(float level) {
-	float r = float(level <= 2.0) + float(level > 4.0) * 0.5;
-	float g = max(1.0 - abs(level - 2.0) * 0.5, 0.0);
-	float b = (1.0 - (level - 4.0) * 0.5) * float(level >= 4.0);
-	return vec3(r, g, b);
-}
-
-vec4 smoothRainbow(float x) {
-    float level1 = floor(x*6.0);
-    float level2 = min(6.0, floor(x*6.0) + 1.0);
-    
-    vec3 a = rainbow(level1);
-    vec3 b = rainbow(level2);
-    
-    return vec4(mix(a, b, fract(x*6.0)), 1.0);
-}
-
-
-uniform sampler2D distanceTexture;
-uniform mat3 worldToDistanceUV;
-uniform mat3 lightingScreenToWorld;
-out vec4 fragmentColor;
-uniform vec2 cursorPosition;
-
-
-float getDistance(in vec2 targetUV, out vec3 color) {
-    vec4 values = texture(distanceTexture, targetUV);
-    color = values.rgb;
-    return values.a;
-}
-
-in vec2 worldCoordinates;
-
-void main() {
-    vec2 targetUV = (vec3(worldCoordinates.xy, 1.0) * worldToDistanceUV).xy;
-
-    vec4 previous = texture(distanceTexture, targetUV);
-
-    //fragmentColor = smoothRainbow(previous.a);
-    fragmentColor = previous.a > 0.5 ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, 0.0, 1.0);
-
-    if (distance(worldCoordinates, cursorPosition) < 10.0) {
-        fragmentColor = vec4(1.0, 1.0, 0.0, 1.0);
-    }
-}