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-rw-r--r--assets/shaders/ZInvert.frag.glsl23
1 files changed, 23 insertions, 0 deletions
diff --git a/assets/shaders/ZInvert.frag.glsl b/assets/shaders/ZInvert.frag.glsl
new file mode 100644
index 00000000..b1fd1748
--- /dev/null
+++ b/assets/shaders/ZInvert.frag.glsl
@@ -0,0 +1,23 @@
1#ifdef GL_ES
2precision highp float;
3#endif
4
5uniform vec2 u_resolution;
6uniform float u_time;
7uniform sampler2D u_tex0;
8
9void main(void)
10{
11 vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy;
12 vec2 uv;
13
14 float a = atan(p.y,p.x);
15 float r = sqrt(dot(p,p));
16
17 uv.x = cos(0.6+u_time) + cos(cos(1.2+u_time)+a)/r;
18 uv.y = cos(0.3+u_time) + sin(cos(2.0+u_time)+a)/r;
19
20 vec3 col = texture2D(u_tex0,uv*.25).xyz;
21
22 gl_FragColor = vec4(col*r*r,1.0);
23} \ No newline at end of file