diff options
Diffstat (limited to 'assets/shaders/SquareTunnel.frag.glsl')
-rw-r--r-- | assets/shaders/SquareTunnel.frag.glsl | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/assets/shaders/SquareTunnel.frag.glsl b/assets/shaders/SquareTunnel.frag.glsl deleted file mode 100644 index 1298a03a..00000000 --- a/assets/shaders/SquareTunnel.frag.glsl +++ /dev/null | |||
@@ -1,22 +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 float u_speed; | ||
8 | uniform sampler2D u_tex0; | ||
9 | |||
10 | void main(void) | ||
11 | { | ||
12 | vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy; | ||
13 | vec2 uv; | ||
14 | |||
15 | float r = pow( pow(p.x*p.x,16.0) + pow(p.y*p.y,16.0), 1.0/32.0 ); | ||
16 | uv.x = 0.5*u_time*u_speed + 0.5/r; | ||
17 | uv.y = 1.0*atan(p.y,p.x)/3.1416; | ||
18 | |||
19 | vec3 col = texture2D(u_tex0,uv).xyz; | ||
20 | |||
21 | gl_FragColor = vec4(col*r*r*r,1.0); | ||
22 | } | ||