Faster shaders (?)

core/assets/shaders/water.frag

@@ -5,34 +5,33 @@ precision mediump int;
 
 uniform sampler2D u_texture;
 
-uniform vec2 camerapos;
-uniform vec2 screensize;
-uniform float time;
+uniform vec2 u_campos;
+uniform vec2 u_resolution;
+uniform float u_time;
 
 varying vec4 v_color;
 varying vec2 v_texCoord;
 
+const float mscl = 40.0;
+const float mth = 7.0;
+
 void main(){
 
 	vec2 c = v_texCoord.xy;
 
-	vec2 v = vec2(1.0/screensize.x, 1.0/screensize.y);
-	vec2 coords = vec2(c.x / v.x + camerapos.x, c.y / v.y + camerapos.y);
+	vec2 v = vec2(1.0/u_resolution.x, 1.0/u_resolution.y);
+	vec2 coords = vec2(c.x / v.x + u_campos.x, c.y / v.y + u_campos.y);
 
-	float stime = time / 5.0;
-
-	float mscl = 40.0;
-	float mth = 7.0;
+	float stime = u_time / 5.0;
 
     vec3 color = texture2D(u_texture, c + vec2(sin(stime/3.0 + coords.y/0.75) * v.x, 0.0)).rgb * vec3(0.9, 0.9, 1);
 
-    float r = 0.0;
     float tester = mod((coords.x + coords.y*1.1 + sin(stime / 8.0 + coords.x/5.0 - coords.y/100.0)*2.0) +
                            sin(stime / 20.0 + coords.y/3.0) * 1.0 +
                            sin(stime / 10.0 - coords.y/2.0) * 2.0 +
                            sin(stime / 7.0 + coords.y/1.0) * 0.5 +
                            sin(coords.x / 3.0 + coords.y / 2.0) +
-                           sin(stime / 20.0 + coords.x/4.0) * 1.0, mscl) + r;
+                           sin(stime / 20.0 + coords.x/4.0) * 1.0, mscl);
 
     if(tester < mth){
         color *= 1.2;