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Added VFEZ

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MaddoScientisto 2025-03-09 15:58:26 +01:00
commit 6d572503cb
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VFEZ/Shaders/Effects/vfez_hsv_shift.gdshaderinc Normal file
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group_uniforms color_hsv_shift;
uniform float h_shift: hint_range(0.0, 360.0) = 180;
uniform float s_shift: hint_range(0.0, 2.) = 1.;
uniform float v_shift: hint_range(0.0, 2.) = 1.;
group_uniforms;
vec3 hsv_shift(vec3 color)
{
vec3 result_hsv = vec3(color.rgb);
float cos_hsv = v_shift * s_shift * cos(h_shift * PI / 180.);
float sin_hsv = v_shift * s_shift * sin(h_shift * PI / 180.);
result_hsv.x = (.299 * v_shift + .701 * cos_hsv + .168 * sin_hsv) * color.x
+ (.587 * v_shift - .587 * cos_hsv + .330 * sin_hsv) * color.y
+ (.114 * v_shift - .114 * cos_hsv - .497 * sin_hsv) * color.z;
result_hsv.y = (.299 * v_shift - .299 * cos_hsv - .328 * sin_hsv) *color.x
+ (.587 * v_shift + .413 * cos_hsv + .035 * sin_hsv) * color.y
+ (.114 * v_shift - .114 * cos_hsv + .292 * sin_hsv) * color.z;
result_hsv.z = (.299 * v_shift - .3 * cos_hsv + 1.25 * sin_hsv) * color.x
+ (.587 * v_shift - .588 * cos_hsv - 1.05 * sin_hsv) * color.y
+ (.114 * v_shift + .886 * cos_hsv - .203 * sin_hsv) * color.z;
color.rgb = result_hsv;
return color.rgb;
}