corregit shader water. afegides metadades en els shaders

shaders/water.glsl

@@ -1,5 +1,6 @@
 // Name: Water
-// Author: diatribes (FabriceNeyret2)
+// Author: diatribes
+// URL: https://www.shadertoy.com/view/tXjXDy
 #version 330 core
 precision highp float;
 
@@ -25,7 +26,9 @@ void mainImage( out vec4 o, vec2 u ) {
     o = vec4(0);  // FIXED: Initialize output to black
 
     for(; i < 32. && s > .001; i++) {
-        o += vec4(5,2,1,0)/max(length(u-.1), 0.001);
+        // Clamp only extreme overflow values, let normal brightness through
+        vec4 term = vec4(5,2,1,0)/max(length(u-.1), 0.001);
+        o += min(term, vec4(100.0));
         for (p += vec3(u*s,s), s = 1. + p.y, n =.01; n < 1.; n+=n) {
             s += abs(dot(sin(p.z+iTime+p / n), vec3(1))) * n*.1;
         }