1#version 100
2precision mediump int;
3precision mediump float;
4
5uniform float alpha_value;
6uniform float time;
7
8void main(void)
9{
10 vec4 color;
11 color.x = 1.0;
12 color.y = 1.0;
13 color.z = 0.0;
14 color.w = alpha_value * ((sin(time * 5.0) + 1.0) / 2.0);
15 gl_FragColor = color;
16}
17