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nilsberglund-orleans
2022-03-13 15:29:50 +01:00
committed by GitHub
parent ca88b9db5c
commit f570f6885e
11 changed files with 4564 additions and 1593 deletions
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89
colors_waves.c
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@@ -141,3 +141,92 @@ void color_scheme_asym(int scheme, double value, double scale, int time, double
}
}
void color_scheme_palette(int scheme, int palette, double value, double scale, int time, double rgb[3]) /* color scheme */
{
double hue, y, r, amplitude;
int intpart;
/* saturation = r, luminosity = y */
switch (scheme) {
case (C_LUM):
{
hue = COLORHUE + (double)time*COLORDRIFT/(double)NSTEPS;
if (hue < 0.0) hue += 360.0;
if (hue >= 360.0) hue -= 360.0;
r = 0.9;
amplitude = color_amplitude(value, scale, time);
y = LUMMEAN + amplitude*LUMAMP;
intpart = (int)y;
y -= (double)intpart;
hsl_to_rgb_palette(hue, r, y, rgb, palette);
break;
}
case (C_HUE):
{
r = 0.9;
amplitude = color_amplitude(value, scale, time);
y = 0.5;
hue = HUEMEAN + amplitude*HUEAMP;
if (hue < 0.0) hue += 360.0;
if (hue >= 360.0) hue -= 360.0;
hsl_to_rgb_palette(hue, r, y, rgb, palette);
break;
}
case (C_ONEDIM):
{
amplitude = color_amplitude(value, scale, time);
amp_to_rgb_palette(0.5*(1.0 + amplitude), rgb, palette);
break;
}
case (C_ONEDIM_LINEAR):
{
amplitude = color_amplitude_linear(value, scale, time);
if (amplitude > 1.0) amplitude -= 1.0;
else if (amplitude < 0.0) amplitude += 1.0;
amp_to_rgb_palette(amplitude, rgb, palette);
break;
}
}
}
void color_scheme_asym_palette(int scheme, int palette, double value, double scale, int time, double rgb[3]) /* color scheme */
{
double hue, y, r, amplitude;
int intpart;
/* saturation = r, luminosity = y */
switch (scheme) {
case (C_LUM):
{
hue = COLORHUE + (double)time*COLORDRIFT/(double)NSTEPS;
if (hue < 0.0) hue += 360.0;
if (hue >= 360.0) hue -= 360.0;
r = 0.9;
amplitude = color_amplitude(value, scale, time);
y = LUMMEAN + amplitude*LUMAMP;
intpart = (int)y;
y -= (double)intpart;
hsl_to_rgb_palette(hue, r, y, rgb, palette);
break;
}
case (C_HUE):
{
r = 0.9;
amplitude = color_amplitude_asym(value, scale, time);
y = 0.5;
hue = HUEMEAN + 0.8*amplitude*HUEAMP;
if (hue < 0.0) hue += 360.0;
if (hue >= 360.0) hue -= 360.0;
hsl_to_rgb_palette(hue, r, y, rgb, palette);
break;
}
case (C_ONEDIM):
{
amplitude = color_amplitude(value, scale, time);
amp_to_rgb_palette(amplitude, rgb, palette);
break;
}
}
}