diff options
Diffstat (limited to 'assets/shaders/SquareTunnel.frag.glsl')
-rw-r--r-- | assets/shaders/SquareTunnel.frag.glsl | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/assets/shaders/SquareTunnel.frag.glsl b/assets/shaders/SquareTunnel.frag.glsl deleted file mode 100644 index 51ef7b7c..00000000 --- a/assets/shaders/SquareTunnel.frag.glsl +++ /dev/null | |||
@@ -1,21 +0,0 @@ | |||
1 | #ifdef GL_ES | ||
2 | precision highp float; | ||
3 | #endif | ||
4 | |||
5 | uniform vec2 u_resolution; | ||
6 | uniform float u_time; | ||
7 | uniform sampler2D u_tex0; | ||
8 | |||
9 | void main(void) | ||
10 | { | ||
11 | vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy; | ||
12 | vec2 uv; | ||
13 | |||
14 | float r = pow( pow(p.x*p.x,16.0) + pow(p.y*p.y,16.0), 1.0/32.0 ); | ||
15 | uv.x = .5*u_time + 0.5/r; | ||
16 | uv.y = 1.0*atan(p.y,p.x)/3.1416; | ||
17 | |||
18 | vec3 col = texture2D(u_tex0,uv).xyz; | ||
19 | |||
20 | gl_FragColor = vec4(col*r*r*r,1.0); | ||
21 | } | ||