weird: rothko succeeds now! yay

weird/rothko.glsl

@@ -55,9 +55,15 @@ void main() {
     }
 
     st_.x /= 3.;
-    st_ *= 10.;
-    for (float i=0.;i<100.;i++) {
-        color += noise(st_*i)*0.03 * (random(st_*i) > 0.5 ? -1. : 1.);
+    int max = int(50.*abs(sin(u_time)))+100;
+    for (int i=0;i<150;i++) {
+        if (i>max) break;
+        vec2 target= st_*0.0001+float(i);
+        color += noise(target)* 0.03 * (random(target) > 0.5 ? -1. : 1.);
+    }
+
+    if (color.x == 0. && color.y == 0. && color.z == 0.) {
+        color = vec4(0.,0.,0.,1.);
     }
 
     gl_FragColor = vec4(color);