Cleanup

core/assets/shaders/sun.frag

@@ -1,34 +1,16 @@
 #ifdef GL_ES
 precision mediump float;
 precision lowp int;
-#define INTEGER lowp int
-#else
-#define INTEGER int
 #endif
 
-//#define GRADIENTS
 #define step 0.5
 
 const int MAX_COLORS = 10;
 
-uniform INTEGER u_colornum;
-uniform vec4 u_colors[MAX_COLORS];
-
 varying float v_height;
 
-void main() {
-    #ifdef GRADIENTS
+uniform sampler2D u_colors;
 
-    int from = int(v_height * float(u_colornum));
-    int to = int(clamp(float(int(v_height * float(u_colornum) + 1.0)), 0.0, float(u_colornum)-1.0));
-    float alpha = fract(v_height * float(u_colornum));
-    alpha = floor(alpha / step) * step;
-
-    gl_FragColor = vec4(mix(u_colors[from], u_colors[to], alpha));
-
-    #else
-
-    gl_FragColor = u_colors[int(v_height * float(u_colornum))];
-
-    #endif
+void main(){
+    gl_FragColor = texture2D(u_colors, vec2(v_height, 0.0));
 }