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hms-mediaengine/plugins/builtin/generators/com.hms.generator.gradient/shaders/gl/gradient.frag
T

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#version 330 core
// HMS MediaEngine - Generator (GLSL, Linux x64)
// Semantik identisch zur HLSL-Variante (§12.6, §15.4).
uniform sampler2D u_input_texture;
uniform vec2 u_resolution;
uniform float u_time_seconds;
uniform float u_delta_seconds;
uniform float u_frame_index;
uniform float u_layer_opacity;
uniform float u_audio_rms;
uniform float u_audio_peak;
uniform float u_audio_bass;
uniform float u_audio_mid;
uniform float u_audio_treble;
uniform float u_audio_beat;
uniform vec4 param_color_a;
uniform vec4 param_color_b;
uniform float param_type;
uniform float param_angle;
uniform float param_center_x;
uniform float param_center_y;
uniform float param_width;
uniform float param_phase;
uniform float param_speed;
in vec2 v_uv;
out vec4 fragColor;
void main()
{
vec2 p = v_uv - vec2(param_center_x, param_center_y);
float ang = radians(param_angle);
vec2 dir = vec2(cos(ang), sin(ang));
float t;
if (param_type < 0.5)
{
t = dot(p, dir) / max(param_width, 0.0001) + 0.5;
}
else
{
t = length(p) / max(param_width, 0.0001);
}
t += param_phase + u_time_seconds * param_speed;
t = fract(t);
vec4 col = mix(param_color_a, param_color_b, clamp(t, 0.0, 1.0));
col.a *= u_layer_opacity;
fragColor = col;
}