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authorJose Antonio Marquez2012-02-23 10:38:51 -0800
committerJose Antonio Marquez2012-02-23 10:38:51 -0800
commitd764428023d87446fbbb153d8e04a23b900d71d5 (patch)
tree2581815db5567b52d4c59663ea9e37d6df057ca3 /assets/shaders/ReliefTunnel.frag.glsl
parent3e1be6d4d4f0d3a2474af7d915954f9b6464fe2e (diff)
parentcc295dd0fb873505eed01c232bd987cf6e2dcdd9 (diff)
downloadninja-d764428023d87446fbbb153d8e04a23b900d71d5.tar.gz
Merge branch 'refs/heads/NinjaInternal' into Color
Diffstat (limited to 'assets/shaders/ReliefTunnel.frag.glsl')
-rw-r--r--assets/shaders/ReliefTunnel.frag.glsl35
1 files changed, 35 insertions, 0 deletions
diff --git a/assets/shaders/ReliefTunnel.frag.glsl b/assets/shaders/ReliefTunnel.frag.glsl
new file mode 100644
index 00000000..cee707db
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+++ b/assets/shaders/ReliefTunnel.frag.glsl
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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 r = sqrt( dot(p,p) );
15 float a = atan(p.y,p.x) + 0.5*sin(0.5*r-0.5*u_time);
16
17 float s = 0.5 + 0.5*cos(7.0*a);
18 s = smoothstep(0.0,1.0,s);
19 s = smoothstep(0.0,1.0,s);
20 s = smoothstep(0.0,1.0,s);
21 s = smoothstep(0.0,1.0,s);
22
23 uv.x = u_time + 1.0/( r + .2*s);
24 uv.y = 3.0*a/3.1416;
25
26 float w = (0.5 + 0.5*s)*r*r;
27
28 vec3 col = texture2D(u_tex0,uv).xyz;
29
30 float ao = 0.5 + 0.5*cos(7.0*a);
31 ao = smoothstep(0.0,0.4,ao)-smoothstep(0.4,0.7,ao);
32 ao = 1.0-0.5*ao*r;
33
34 gl_FragColor = vec4(col*w*ao,1.0);
35}