/**
* Get the intepolated colour at the given location on the gradient
*
* @param p The point of the gradient (0 >= n >= 1)
* @return The interpolated colour at the given location
*/
public Color getColorAt(float p) {
if (p <= 0) return steps.get(0).col;
if (p > 1) return steps.get(steps.size() - 1).col;
for (int i = 1; i < steps.size(); i++) {
Step prev = (steps.get(i - 1));
Step current = (steps.get(i));
if (p <= current.location) {
float dis = current.location - prev.location;
p -= prev.location;
float v = p / dis;
Color c = new Color(1, 1, 1, 1);
c.a = (prev.col.a * (1 - v)) + (current.col.a * (v));
c.r = (prev.col.r * (1 - v)) + (current.col.r * (v));
c.g = (prev.col.g * (1 - v)) + (current.col.g * (v));
c.b = (prev.col.b * (1 - v)) + (current.col.b * (v));
return c;
}
}
// shouldn't ever happen
return Color.black;
}
private Color ret(Color dst, int r, int g, int b, int a) {
dst.r = r / 255.0f;
dst.g = g / 255.0f;
dst.b = b / 255.0f;
dst.a = a / 255.0f;
return dst;
}
public static void visualSeekColors(
Color currentColor,
float targetR,
float targetG,
float targetB,
float currentStep,
float stepCount) {
currentColor.r += ((targetR - currentColor.r) * currentStep) / stepCount;
currentColor.g += ((targetG - currentColor.g) * currentStep) / stepCount;
currentColor.b += ((targetB - currentColor.b) * currentStep) / stepCount;
}
public void SetColor(Color refCol) {
c.a = refCol.a;
c.r = refCol.r;
c.g = refCol.g;
c.b = refCol.b;
}
public static void visualSeekColors(
Color currentColor, float targetR, float targetG, float targetB, float animationSpeed) {
currentColor.r += (targetR - currentColor.r) * animationSpeed;
currentColor.g += (targetG - currentColor.g) * animationSpeed;
currentColor.b += (targetB - currentColor.b) * animationSpeed;
}