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authorNivesh Rajbhandari2012-02-22 11:52:31 -0800
committerNivesh Rajbhandari2012-02-22 11:52:31 -0800
commitd5b216d9d6d2b8cb93106e8f8ca351089d05b41d (patch)
tree657274b7efd3a930e4d3298ad6c245b975a8224b /assets/shaders/Pulse.frag.glsl
parentdae612ccef06a18eb7cccc2fd9d0db13ec4ef5f9 (diff)
downloadninja-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/Pulse.frag.glsl')
-rw-r--r--assets/shaders/Pulse.frag.glsl22
1 files changed, 22 insertions, 0 deletions
diff --git a/assets/shaders/Pulse.frag.glsl b/assets/shaders/Pulse.frag.glsl
new file mode 100644
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+++ b/assets/shaders/Pulse.frag.glsl
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1#ifdef GL_ES
2precision highp float;
3#endif
4
5uniform float u_time;
6uniform vec2 u_resolution;
7uniform sampler2D u_tex0;
8
9void main(void)
10{
11 vec2 halfres = u_resolution.xy/2.0;
12 vec2 cPos = gl_FragCoord.xy;
13
14 cPos.x -= 0.5*halfres.x*sin(u_time/2.0)+0.3*halfres.x*cos(u_time)+halfres.x;
15 cPos.y -= 0.4*halfres.y*sin(u_time/5.0)+0.3*halfres.y*cos(u_time)+halfres.y;
16 float cLength = length(cPos);
17
18 vec2 uv = gl_FragCoord.xy/u_resolution.xy+(cPos/cLength)*sin(cLength/30.0-u_time*10.0)/25.0;
19 vec3 col = texture2D(u_tex0,uv).xyz*50.0/cLength;
20
21 gl_FragColor = vec4(col,1.0);
22} \ No newline at end of file