diff options
Diffstat (limited to 'assets/shaders/Twist.frag.glsl')
-rw-r--r-- | assets/shaders/Twist.frag.glsl | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/assets/shaders/Twist.frag.glsl b/assets/shaders/Twist.frag.glsl deleted file mode 100644 index ab66cdae..00000000 --- a/assets/shaders/Twist.frag.glsl +++ /dev/null | |||
@@ -1,26 +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 a = atan(p.y,p.x); | ||
16 | float r = sqrt(dot(p,p)); | ||
17 | |||
18 | float time = u_time * u_speed; | ||
19 | |||
20 | uv.x = r - .25*time; | ||
21 | uv.y = cos(a*5.0 + 2.0*sin(time+7.0*r)) ; | ||
22 | |||
23 | vec3 col = (.5+.5*uv.y)*texture2D(u_tex0,uv).xyz; | ||
24 | |||
25 | gl_FragColor = vec4(col,1.0); | ||
26 | } \ No newline at end of file | ||