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authorhwc4872012-01-27 15:52:36 -0800
committerhwc4872012-01-27 15:52:36 -0800
commit86a801c057fc3b0580d6130be5740c2ee503444f (patch)
tree8b014e981273464afde4e0603cdf70c6e90eee48 /assets/shaders/Keleidoscope.frag.glsl
parent302e3eb01037ff550bc93547cb8d5d0a0780b312 (diff)
downloadninja-86a801c057fc3b0580d6130be5740c2ee503444f.tar.gz
updated from old repo
Diffstat (limited to 'assets/shaders/Keleidoscope.frag.glsl')
-rw-r--r--assets/shaders/Keleidoscope.frag.glsl25
1 files changed, 25 insertions, 0 deletions
diff --git a/assets/shaders/Keleidoscope.frag.glsl b/assets/shaders/Keleidoscope.frag.glsl
new file mode 100644
index 00000000..7d1bdb17
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+++ b/assets/shaders/Keleidoscope.frag.glsl
@@ -0,0 +1,25 @@
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 = 7.0*a/3.1416;
18 uv.y = -u_time+ sin(7.0*r+u_time) + .7*cos(u_time+7.0*a);
19
20 float w = .5+.5*(sin(u_time+7.0*r)+ .7*cos(u_time+7.0*a));
21
22 vec3 col = texture2D(u_tex0,uv*.5).xyz;
23
24 gl_FragColor = vec4(col*w,1.0);
25} \ No newline at end of file