vector<ofColor> ofxColourTheory::createRangeFromCompound(ofColor src) {
vector<ofColor> colList;
colList.push_back(src);
bool isFlipped = ofRandomf()>.5;
int direction = isFlipped ? -1 : 1;
ofColor c = rotateRYB(src,30 * direction);
c.setBrightness(wrap(c.getBrightness()/255.0f, 0.25f, 0.6f, 0.25f)*255.0f);
colList.push_back(c);
c = rotateRYB(src,30 * direction);
c.setSaturation(wrap(c.getSaturation()/255.0f, 0.4f, 0.1f, 0.4f)*255.0f);
c.setBrightness(wrap(c.getBrightness()/255.0f, 0.4f, 0.2f, 0.4f)*255.0f);
colList.push_back(c);
c = rotateRYB(src,160 * direction);
c.setSaturation(wrap(c.getSaturation()/255.0f, 0.25f, 0.1f, 0.25f)*255.0f);
c.setBrightness(max(0.2f*255, c.getBrightness()*255));
colList.push_back(c);
c = rotateRYB(src,150 * direction);
c.setSaturation(wrap(c.getSaturation()/255.0f, 0.1f, 0.8f, 0.1f)*255.0f);
c.setBrightness(wrap(c.getBrightness()/255.0f, 0.3f, 0.6f, 0.3f)*255.0f);
colList.push_back(c);
c = rotateRYB(src,150 * direction);
c.setSaturation(wrap(c.getSaturation()/255.0f, 0.1f, 0.8f, 0.1f)*255.0f);
c.setBrightness(wrap(c.getBrightness()/255.0f, 0.4f, 0.2f, 0.4f)*255.0f);
// colors.add(c);
return colList;
}
vector<ofColor> ofxColourTheory::createRangeFromAnalogous(ofColor src){
vector<ofVec2f> tones;
tones.push_back(ofVec2f(1, 2.2f));
tones.push_back(ofVec2f(2, 1));
tones.push_back(ofVec2f(-1, -0.5f));
tones.push_back(ofVec2f(-2, 1));
float contrast = 0.25f;
float theta = 10 *PI / 180.0;
contrast = clipNormalized(contrast);
vector<ofColor> colList;
colList.push_back(src);
for (int i=0;i<tones.size();i++) {
ofColor c = rotateRYB(src,(int) (theta * tones[i].x));
float t = 0.44f - tones[i].y * 0.1f;
if ((float) src.getBrightness()/255.0 - contrast * tones[i].y < t) {
c.setBrightness(t*255.0);
} else {
c.setBrightness(src.getBrightness() - (contrast * tones[i].y)*255.0);
}
c.setSaturation(c.getSaturation()-0.05f*255.0);
colList.push_back(c);
}
return colList;
}
vector<ofColor> ofxColourTheory::createRangeFromSplitComplementary(ofColor src) {
vector<ofColor> colList;
colList.push_back(src);
ofColor a = rotateRYB(src,150);
a.setBrightness(a.getBrightness()+0.1f*255.0f);
colList.push_back(a);
ofColor b = rotateRYB(src,210);
b.setBrightness(b.getBrightness()+0.1f*255.0f);
colList.push_back(b);
return colList;
}
vector<ofColor> ofxColourTheory::createRangeFromRightSplitComplementary(ofColor src) {
ofColor right = getComplement(src);
right = rotateRYB(right,30);
right.setBrightness(right.getBrightness()+0.1f*255.0f);
vector<ofColor> colList = createRangeFromComplementary(src);
for (int i = 3; i < 6; i++) {
ofColor c = colList[i];
c.setHue(right.getHue());
}
return colList;
}
ofColor getComplement(ofColor col){
return rotateRYB(col,180);
}