35 lines
1009 B
GLSL
35 lines
1009 B
GLSL
|
#version 330
|
||
|
|
|
||
|
|
in vec2 fragCoord;
|
||
|
|
out vec4 fragColor;
|
||
|
|
|
||
|
|
// bar values. defaults to left channels first (low to high), then right (high to low).
|
||
|
|
uniform float bars[512];
|
||
|
|
|
||
|
|
uniform int bars_count; // number of bars (left + right) (configurable)
|
||
|
|
|
||
|
|
uniform vec3 u_resolution; // window resolution, not used here
|
||
|
|
|
||
|
|
//colors, configurable in cava config file
|
||
|
|
uniform vec3 bg_color; // background color(r,g,b) (0.0 - 1.0), not used here
|
||
|
|
uniform vec3 fg_color; // foreground color, not used here
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
// find which bar to use based on where we are on the x axis
|
||
|
|
int bar = int(bars_count * fragCoord.x);
|
||
|
|
|
||
|
|
float bar_y = 1.0 - abs((fragCoord.y - 0.5)) * 2.0;
|
||
|
|
float y = (bars[bar]) * bar_y;
|
||
|
|
|
||
|
|
float bar_x = (fragCoord.x - float(bar) / float(bars_count)) * bars_count;
|
||
|
|
float bar_r = 1.0 - abs((bar_x - 0.5)) * 2;
|
||
|
|
|
||
|
|
bar_r = bar_r * bar_r * 2;
|
||
|
|
|
||
|
|
// set color
|
||
|
|
fragColor.r = fg_color.x * y * bar_r;
|
||
|
|
fragColor.g = fg_color.y * y * bar_r;
|
||
|
|
fragColor.b = fg_color.z * y * bar_r;
|
||
|
|
}
|