shaders/simplest.frag
2020-04-24 16:07:47 +10:00

16 lines
373 B
GLSL

#ifdef GL_ES
precision mediump float;
#endif
uniform vec2 u_resolution;
uniform vec2 u_mouse;
uniform float u_time;
void main() {
// make a vector that puts all x and y values between 0.0 - 1.0 so we can use it as a color
vec2 st = gl_FragCoord.xy/u_resolution;
// use time to change the blue hue of the screen
gl_FragColor = vec4(st.x,st.y,abs(sin(u_time)),1.0);
}