aboutsummaryrefslogtreecommitdiff
path: root/assets/shaders/ZInvert.frag.glsl
diff options
context:
space:
mode:
authorPushkar Joshi2012-02-24 12:08:49 -0800
committerPushkar Joshi2012-02-24 12:08:49 -0800
commit03ca7a5ed13c25faaa9100bb666e062fd15335e6 (patch)
treec51112223ceb9121cd595a60335eb2795215590f /assets/shaders/ZInvert.frag.glsl
parentfcb12cc09eb3cd3b42bd215877ba18f449275b75 (diff)
parent053fc63a2950c7a5ee4ebf98033b64d474a3c46e (diff)
downloadninja-03ca7a5ed13c25faaa9100bb666e062fd15335e6.tar.gz
Merge branch 'pentool' into brushtool
Conflicts: imports/codemirror/mode/scheme/scheme.js js/tools/BrushTool.js
Diffstat (limited to 'assets/shaders/ZInvert.frag.glsl')
-rw-r--r--assets/shaders/ZInvert.frag.glsl23
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
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 = 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