koel/resources/assets/js/visualizers/waveform/lib/shaders.ts
2022-11-06 18:09:06 +01:00

30 lines
833 B
TypeScript

export default {
vertex: `
varying float x;
varying float y;
varying float z;
varying vec3 vUv;
uniform float u_time;
uniform float u_amplitude;
uniform float[64] u_data_arr;
void main() {
vUv = position;
x = abs(position.x);
y = abs(position.y);
float floor_x = round(x);
float floor_y = round(y);
z = sin(u_data_arr[int(floor_x)] / 50.0 + u_data_arr[int(floor_y)] / 20.0) * u_amplitude * 2.0;
gl_Position = projectionMatrix * modelViewMatrix * vec4(position.x, position.y, z, 1.0);
}
`,
fragment: `
varying float x;
varying float y;
varying float z;
varying vec3 vUv;
uniform float u_time;
void main() {
gl_FragColor = vec4((32.0 - abs(x)) / 32.0, (32.0 - abs(y)) / 32.0, (abs(x + y) / 2.0) / 32.0, 1.0);
}
`
}