13 lines
310 B
GLSL
13 lines
310 B
GLSL
|
precision mediump float;
|
||
|
|
|
||
|
|
attribute vec4 a_position;
|
||
|
|
uniform mat4 u_projectionMtx;
|
||
|
|
uniform mat4 u_modelViewMtx;
|
||
|
|
|
||
|
|
uniform float u_clock;
|
||
|
|
|
||
|
|
void main() {
|
||
|
|
float v = u_clock / 4096.0;
|
||
|
|
|
||
|
|
gl_Position = u_projectionMtx * u_modelViewMtx * a_position * vec4(1.0, mix(1.0, v, step(0.0, a_position.y)), 1.0, 1.0);
|
||
|
|
}
|