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所以我一直試圖在一定程度範圍內使用HSV來循環顏色,但我似乎無法在顏色之間平滑過渡。理想情況下,我希望能夠在特定的度數範圍內移動(80-140),並在0.5-1之間循環飽和度和值。我真的不知道該從哪裏去,我渴望學習如何。Java:使用HSV循環特定顏色
int[] colors = HsvToRgb(h,s ,v);
的方法我用:
public static int[] HsvToRgb(double h, double S, double V) {
double H = h;
while (H < 0) {
H += 360;
}
while (H >= 360) {
H -= 360;
}
double R = 0, G = 0, B = 0;
if (V <= 0) {
R = G = B = 0;
} else if (S <= 0) {
R = G = B = V;
} else {
double hf = H/60.0;
int i = (int) Math.floor(hf);
double f = hf - i;
double pv = V * (1 - S);
double qv = V * (1 - S * f);
double tv = V * (1 - S * (1 - f));
switch (i) {
case 0:
R = V;
G = tv;
B = pv;
break;
case 1:
R = qv;
G = V;
B = pv;
break;
case 2:
R = pv;
G = V;
B = tv;
break;
case 3:
R = pv;
G = qv;
B = V;
break;
case 4:
R = tv;
G = pv;
B = V;
break;
case 5:
R = V;
G = pv;
B = qv;
break;
case 6:
R = V;
G = tv;
B = pv;
break;
case -1:
R = V;
G = pv;
B = qv;
break;
}
}
int r = Clamp((int) (R * 255.0));
int g = Clamp((int) (G * 255.0));
int b = Clamp((int) (B * 255.0));
return new int[]{r, g, b};
}
public static int Clamp(int i) {
if (i < 0) {
return 0;
}
if (i > 255) {
return 255;
}
return i;
}