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author | Nivesh Rajbhandari | 2012-02-22 11:52:31 -0800 |
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committer | Nivesh Rajbhandari | 2012-02-22 11:52:31 -0800 |
commit | d5b216d9d6d2b8cb93106e8f8ca351089d05b41d (patch) | |
tree | 657274b7efd3a930e4d3298ad6c245b975a8224b /assets/shaders/SquareTunnel.frag.glsl | |
parent | dae612ccef06a18eb7cccc2fd9d0db13ec4ef5f9 (diff) | |
download | ninja-d5b216d9d6d2b8cb93106e8f8ca351089d05b41d.tar.gz |
Integrating canvas-2d and WebGL drawing fixes. Also adding back WebGL materials.
Signed-off-by: Nivesh Rajbhandari <mqg734@motorola.com>
Diffstat (limited to 'assets/shaders/SquareTunnel.frag.glsl')
-rw-r--r-- | assets/shaders/SquareTunnel.frag.glsl | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/assets/shaders/SquareTunnel.frag.glsl b/assets/shaders/SquareTunnel.frag.glsl new file mode 100644 index 00000000..51ef7b7c --- /dev/null +++ b/assets/shaders/SquareTunnel.frag.glsl | |||
@@ -0,0 +1,21 @@ | |||
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 | } | ||