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-rw-r--r--assets/shaders/Fly.frag.glsl23
1 files changed, 23 insertions, 0 deletions
diff --git a/assets/shaders/Fly.frag.glsl b/assets/shaders/Fly.frag.glsl
new file mode 100644
index 00000000..f99b5ab8
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+++ b/assets/shaders/Fly.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 an = u_time*.25;
15
16 float x = p.x*cos(an)-p.y*sin(an);
17 float y = p.x*sin(an)+p.y*cos(an);
18
19 uv.x = .25*x/abs(y);
20 uv.y = .20*u_time + .25/abs(y);
21
22 gl_FragColor = vec4(texture2D(u_tex0,uv).xyz * y*y, 1.0);
23}