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author | Jose Antonio Marquez | 2012-02-23 10:38:51 -0800 |
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committer | Jose Antonio Marquez | 2012-02-23 10:38:51 -0800 |
commit | d764428023d87446fbbb153d8e04a23b900d71d5 (patch) | |
tree | 2581815db5567b52d4c59663ea9e37d6df057ca3 /assets/shaders/ZInvert.frag.glsl | |
parent | 3e1be6d4d4f0d3a2474af7d915954f9b6464fe2e (diff) | |
parent | cc295dd0fb873505eed01c232bd987cf6e2dcdd9 (diff) | |
download | ninja-d764428023d87446fbbb153d8e04a23b900d71d5.tar.gz |
Merge branch 'refs/heads/NinjaInternal' into Color
Diffstat (limited to 'assets/shaders/ZInvert.frag.glsl')
-rw-r--r-- | assets/shaders/ZInvert.frag.glsl | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/assets/shaders/ZInvert.frag.glsl b/assets/shaders/ZInvert.frag.glsl new file mode 100644 index 00000000..b1fd1748 --- /dev/null +++ b/assets/shaders/ZInvert.frag.glsl | |||
@@ -0,0 +1,23 @@ | |||
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 a = atan(p.y,p.x); | ||
15 | float r = sqrt(dot(p,p)); | ||
16 | |||
17 | uv.x = cos(0.6+u_time) + cos(cos(1.2+u_time)+a)/r; | ||
18 | uv.y = cos(0.3+u_time) + sin(cos(2.0+u_time)+a)/r; | ||
19 | |||
20 | vec3 col = texture2D(u_tex0,uv*.25).xyz; | ||
21 | |||
22 | gl_FragColor = vec4(col*r*r,1.0); | ||
23 | } \ No newline at end of file | ||