experimental map shaders

modules/game_shaders/shaders/zomg.frag

@@ -0,0 +1,13 @@
+uniform sampler2D u_Tex0;
+uniform float u_Time;
+varying vec2 v_TexCoord;
+
+vec2 tibiaDir = vec2(1.0, 1.0);
+void main(void)
+{
+    vec2 dir = 0.5 - v_TexCoord;
+    float dist = sqrt(dir.x*dir.x + dir.y*dir.y);
+    float scale = 0.8 + dist*0.5;
+    vec4 color = texture2D(u_Tex0, -(dir*scale - 0.5));
+    gl_FragColor = color;
+}