varying vec2 vTexCoord;

​

uniform vec3 u_color;

uniform vec3 u_mouse;

uniform float u_time;

​

​

void main() {

  //vec4 myColor = vec4(u_color, 1.0);  

  vec2 uv = vTexCoord;

  gl_FragColor = vec4(abs(cos(uv / 0.5) * cos((u_time / 100.))),1.0,1.0);

​

}

​