private static Flame morphFlames_fade(
Prefs pPrefs, Flame pFlame1, Flame pFlame2, int pFrame, int pFrames) {
if (pFrame < 1 || pFrames < 2) return pFlame1;
double fScl = (double) (pFrame - 1) / (pFrames - 1);
if (fScl <= MathLib.EPSILON) {
return pFlame1;
} else if (fScl >= 1.0 - MathLib.EPSILON) {
return pFlame2;
}
// fade out layerz of the source flame
Flame res = pFlame1.makeCopy();
morphFlameValues(pFlame1, pFlame2, fScl, res);
for (Layer layer : res.getLayers()) {
layer.setWeight(layer.getWeight() * (1.0 - fScl));
}
// add and fade in layerz of the dest flame
for (Layer layer : pFlame2.getLayers()) {
Layer copy = layer.makeCopy();
copy.setWeight(copy.getWeight() * fScl);
res.getLayers().add(copy);
}
return res;
}
private static Flame morphFlames_morph(
Prefs pPrefs, Flame pFlame1, Flame pFlame2, int pFrame, int pFrames) {
if (pFrame < 1 || pFrames < 2) return pFlame1;
double fScl = (double) (pFrame - 1) / (pFrames - 1);
if (fScl <= MathLib.EPSILON) {
return pFlame1;
} else if (fScl >= 1.0 - MathLib.EPSILON) {
return pFlame2;
}
Flame res = pFlame1.makeCopy();
res.getLayers().clear();
int layerSize1 = pFlame1.getLayers().size();
int layerSize2 = pFlame2.getLayers().size();
int maxLayerSize = layerSize1 > layerSize2 ? layerSize1 : layerSize2;
for (int lIdx = 0; lIdx < maxLayerSize; lIdx++) {
Layer layer = new Layer();
res.getLayers().add(layer);
// Morph layers
if (lIdx < layerSize1 && lIdx < layerSize2) {
Layer layer1 = pFlame1.getLayers().get(lIdx);
Layer layer2 = pFlame2.getLayers().get(lIdx);
layer.assign(layer1);
layer.getXForms().clear();
layer.getFinalXForms().clear();
layer.setWeight(morphValue(layer1.getWeight(), layer2.getWeight(), fScl));
// morph XForms
{
int size1 = layer1.getXForms().size();
int size2 = layer2.getXForms().size();
int maxSize = size1 > size2 ? size1 : size2;
for (int i = 0; i < maxSize; i++) {
XForm xForm1 = i < size1 ? layer1.getXForms().get(i) : null;
if (xForm1 == null) {
xForm1 = new XForm();
xForm1.addVariation(
0.0, VariationFuncList.getVariationFuncInstance("linear3D", true));
xForm1.setWeight(0.0);
}
XForm xForm2 = i < size2 ? layer2.getXForms().get(i) : null;
if (xForm2 == null) {
xForm2 = new XForm();
xForm2.addVariation(
0.0, VariationFuncList.getVariationFuncInstance("linear3D", true));
xForm2.setWeight(0.0);
}
XForm morphedXForm = morphXForms(pPrefs, xForm1, xForm2, fScl, pFrame, pFrames);
layer.getXForms().add(morphedXForm);
}
}
// morph final XForms
{
int size1 = layer1.getFinalXForms().size();
int size2 = layer2.getFinalXForms().size();
int maxSize = size1 > size2 ? size1 : size2;
for (int i = 0; i < maxSize; i++) {
XForm xForm1 = i < size1 ? layer1.getFinalXForms().get(i) : null;
if (xForm1 == null) {
xForm1 = new XForm();
xForm1.addVariation(
0.0, VariationFuncList.getVariationFuncInstance("linear3D", true));
xForm1.setWeight(0.0);
}
XForm xForm2 = i < size2 ? layer2.getFinalXForms().get(i) : null;
if (xForm2 == null) {
xForm2 = new XForm();
xForm2.addVariation(
0.0, VariationFuncList.getVariationFuncInstance("linear3D", true));
xForm2.setWeight(0.0);
}
XForm morphedXForm = morphXForms(pPrefs, xForm1, xForm2, fScl, pFrame, pFrames);
layer.getFinalXForms().add(morphedXForm);
}
}
// morph colors
RGBPalette palette1 = layer1.getPalette();
RGBPalette palette2 = layer2.getPalette();
for (int i = 0; i < RGBPalette.PALETTE_SIZE; i++) {
RGBColor color1 = palette1.getColor(i);
RGBColor color2 = palette2.getColor(i);
int red = Tools.roundColor(color1.getRed() + (color2.getRed() - color1.getRed()) * fScl);
int green =
Tools.roundColor(color1.getGreen() + (color2.getGreen() - color1.getGreen()) * fScl);
int blue =
Tools.roundColor(color1.getBlue() + (color2.getBlue() - color1.getBlue()) * fScl);
layer.getPalette().setColor(i, red, green, blue);
}
}
// fade out layer1 to black
else if (lIdx < layerSize1) {
Layer layer1 = pFlame1.getLayers().get(lIdx);
layer.assign(layer1);
layer.setWeight(morphValue(layer1.getWeight(), 0.0, fScl));
}
// fade in layer2 from black
else if (lIdx < layerSize2) {
Layer layer2 = pFlame2.getLayers().get(lIdx);
layer.assign(layer2);
layer.setWeight(morphValue(0.0, layer2.getWeight(), fScl));
}
}
// morph camera settings etc.
morphFlameValues(pFlame1, pFlame2, fScl, res);
return res;
}
