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Configuration item for harmonic palettes

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Comment cleanup
This commit is contained in:
Blaz Kristan
2024-02-06 11:06:23 +01:00
parent 66d9e8c038
commit 41e51bbeb5
8 changed files with 52 additions and 54 deletions
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45
wled00/colors.cpp
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@@ -91,12 +91,11 @@ void setRandomColor(byte* rgb)
colorHStoRGB(lastRandomIndex*256,255,rgb);
}
/*
*generates a random palette based on harmonic color theory
*takes a base palette as the input, it will choose one color of the base palette and keep it
/*
* generates a random palette based on harmonic color theory
* takes a base palette as the input, it will choose one color of the base palette and keep it
*/
CRGBPalette16 generateHarmonicRandomPalette(CRGBPalette16 &basepalette)
CRGBPalette16 generateHarmonicRandomPalette(CRGBPalette16 &basepalette)
{
CHSV palettecolors[4]; //array of colors for the new palette
uint8_t keepcolorposition = random8(4); //color position of current random palette to keep
@@ -104,7 +103,7 @@ CRGBPalette16 generateHarmonicRandomPalette(CRGBPalette16 &basepalette)
palettecolors[keepcolorposition].hue += random8(10)-5; // +/- 5 randomness of base color
//generate 4 saturation and brightness value numbers
//only one saturation is allowed to be below 200 creating mostly vibrant colors
//only one brightness value number is allowed below 200, creating mostly bright palettes
//only one brightness value number is allowed below 200, creating mostly bright palettes
for (int i = 0; i < 3; i++) { //generate three high values
palettecolors[i].saturation = random8(200,255);
@@ -114,8 +113,7 @@ CRGBPalette16 generateHarmonicRandomPalette(CRGBPalette16 &basepalette)
palettecolors[3].saturation = random8(20,255);
palettecolors[3].value = random8(80,255);
//shuffle the arrays
//shuffle the arrays
for (int i = 3; i > 0; i--) {
std::swap(palettecolors[i].saturation, palettecolors[random8(i + 1)].saturation);
std::swap(palettecolors[i].value, palettecolors[random8(i + 1)].value);
@@ -151,17 +149,15 @@ CRGBPalette16 generateHarmonicRandomPalette(CRGBPalette16 &basepalette)
harmonics[2] = basehue + 265 + random8(10);
break;
case 4: // tetradic
case 4: // tetradic
harmonics[0] = basehue + 80 + random8(20);
harmonics[1] = basehue + 170 + random8(20);
harmonics[2] = basehue + random8(30)-15;
break;
}
if (random8() < 128) //50:50 chance of shuffeling hues or keep the color order
{
//shuffle the hues:
if (random8() < 128) {
//50:50 chance of shuffling hues or keep the color order
for (int i = 2; i > 0; i--) {
std::swap(harmonics[i], harmonics[random8(i + 1)]);
}
@@ -170,36 +166,35 @@ CRGBPalette16 generateHarmonicRandomPalette(CRGBPalette16 &basepalette)
//now set the hues
int j = 0;
for (int i = 0; i < 4; i++) {
if(i==keepcolorposition) continue; //skip the base color
if (i==keepcolorposition) continue; //skip the base color
palettecolors[i].hue = harmonics[j];
j++;
}
}
bool makepastelpalette = false;
if (random8() < 25) {//~10% chance of desaturated 'pastel' colors
makepastelpalette = true;
if (random8() < 25) { //~10% chance of desaturated 'pastel' colors
makepastelpalette = true;
}
//apply saturation & gamma correction
CRGB RGBpalettecolors[4];
for (int i = 0; i < 4; i++) {
if(makepastelpalette && palettecolors[i].saturation > 180) {
if (makepastelpalette && palettecolors[i].saturation > 180) {
palettecolors[i].saturation -= 160; //desaturate all four colors
}
RGBpalettecolors[i] = (CRGB)palettecolors[i]; //convert to RGB
RGBpalettecolors[i] = gamma32((uint32_t)RGBpalettecolors[i]);
RGBpalettecolors[i] = gamma32(((uint32_t)RGBpalettecolors[i]) & 0x00FFFFFFU); //strip alpha from CRGB
}
return CRGBPalette16( RGBpalettecolors[0],
RGBpalettecolors[1],
RGBpalettecolors[2],
RGBpalettecolors[3]);
return CRGBPalette16(RGBpalettecolors[0],
RGBpalettecolors[1],
RGBpalettecolors[2],
RGBpalettecolors[3]);
}
CRGBPalette16 generateRandomPalette(void) //generate fully random palette
{
return CRGBPalette16(
CHSV(random8(), random8(160, 255), random8(128, 255)),
return CRGBPalette16(CHSV(random8(), random8(160, 255), random8(128, 255)),
CHSV(random8(), random8(160, 255), random8(128, 255)),
CHSV(random8(), random8(160, 255), random8(128, 255)),
CHSV(random8(), random8(160, 255), random8(128, 255)));