Add minecraft.glsl

minecraft.glsl

@@ -0,0 +1,26 @@
+// extra changes by @xprogram
+
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+uniform float time;
+uniform vec2 resolution;
+
+void main( void ) {
+
+     vec3 d = normalize(vec3((gl_FragCoord.xy - resolution.xy * .5) / resolution.x, .5));
+	vec3 p, c, f, g=d, o, y=vec3(1.0,3.0,0.0);
+ 	o.y = 1.2*cos((o.x=0.3)*(o.z=time * 10.0));
+	o.x -= sin(time) + 3.0;
+
+    for( float i=.0; i<11.; i+=.05 ) {
+        f = fract(c = o += d*i*.05); 
+	p = floor( c )*.4;
+        if( cos(p.z) + sin(p.x) > ++p.y ) {
+	    	g = (f.y-.04*cos((c.x+c.z)*10.)>.7?y:f.x*y.yxz) / i;
+            break;
+        }
+    }
+    gl_FragColor = vec4(g,1.0);
+}