我遇到在触摸精灵上混合两种颜色的麻烦（当蓝色和黄色变成灰色时） 忍不住...
有效的组合：
黄色和红色=产生橙色
蓝色和红色=产生紫色。
蓝色和黄色产生灰色
如果内插颜色不是混合颜色以准确反映我们将在色轮上进行混合的最佳方式……那么正确的方法是什么？
SpriteRenderer tempCol01 = collidedColour.mainColourGO.GetComponent<SpriteRenderer>();
tempCol01.color = Color32.Lerp(col01, col02, 0.5f);
--------------------------------第二次尝试------------- -----------------
//下一步我也按照vislila的建议尝试了（感谢老兄） （现在混合了蓝色和黄色），但仍然不能正确混合其他颜色...赢得一些而失去一些;）
//使用HSBColor.Lerp的新代码。...
SpriteRenderer tempCol01 = collidedColour.mainColourGO.GetComponent<SpriteRenderer>();
tempCol01.color = Slerp(col01, col02, 0.5f);
public static Color Slerp(Color a, Color b, float t)
{
return (HSBColor.Lerp(HSBColor.FromColor(a), HSBColor.FromColor(b), t)).ToColor();
}
有点讨厌-所以也许我做错了吗？
//链接到脚本 http://wiki.unity3d.com/index.php/Colorx
下载： HSBColor.unityPackage.zip “与HSBColor配合使用的帮助函数，它将使您在两种Unity Color之间进行切换。slerp函数提供比Color.Lerp更令人愉悦的视觉效果。”
答案 0 :(得分：0)
unity wiki上有一个有用的HSBColor结构可处理HSV / HSB空间中的勒索：
有了它，您可以在HSB空间中的两个Color之间进行切换：
public Color LerpViaHSB(Color a, Color b, float t)
{
return HSBColor.Lerp(HSBColor.FromColor(a), HSBColor.FromColor(b), t).ToColor();
}
这是HSBColor结构，如统一Wiki所示：
using UnityEngine;
[System.Serializable]
public struct HSBColor
{
public float h;
public float s;
public float b;
public float a;
public HSBColor(float h, float s, float b, float a)
{
this.h = h;
this.s = s;
this.b = b;
this.a = a;
}
public HSBColor(float h, float s, float b)
{
this.h = h;
this.s = s;
this.b = b;
this.a = 1f;
}
public HSBColor(Color col)
{
HSBColor temp = FromColor(col);
h = temp.h;
s = temp.s;
b = temp.b;
a = temp.a;
}
public static HSBColor FromColor(Color color)
{
HSBColor ret = new HSBColor(0f, 0f, 0f, color.a);
float r = color.r;
float g = color.g;
float b = color.b;
float max = Mathf.Max(r, Mathf.Max(g, b));
if (max <= 0)
{
return ret;
}
float min = Mathf.Min(r, Mathf.Min(g, b));
float dif = max - min;
if (max > min)
{
if (g == max)
{
ret.h = (b - r) / dif * 60f + 120f;
}
else if (b == max)
{
ret.h = (r - g) / dif * 60f + 240f;
}
else if (b > g)
{
ret.h = (g - b) / dif * 60f + 360f;
}
else
{
ret.h = (g - b) / dif * 60f;
}
if (ret.h < 0)
{
ret.h = ret.h + 360f;
}
}
else
{
ret.h = 0;
}
ret.h *= 1f / 360f;
ret.s = (dif / max) * 1f;
ret.b = max;
return ret;
}
public static Color ToColor(HSBColor hsbColor)
{
float r = hsbColor.b;
float g = hsbColor.b;
float b = hsbColor.b;
if (hsbColor.s != 0)
{
float max = hsbColor.b;
float dif = hsbColor.b * hsbColor.s;
float min = hsbColor.b - dif;
float h = hsbColor.h * 360f;
if (h < 60f)
{
r = max;
g = h * dif / 60f + min;
b = min;
}
else if (h < 120f)
{
r = -(h - 120f) * dif / 60f + min;
g = max;
b = min;
}
else if (h < 180f)
{
r = min;
g = max;
b = (h - 120f) * dif / 60f + min;
}
else if (h < 240f)
{
r = min;
g = -(h - 240f) * dif / 60f + min;
b = max;
}
else if (h < 300f)
{
r = (h - 240f) * dif / 60f + min;
g = min;
b = max;
}
else if (h <= 360f)
{
r = max;
g = min;
b = -(h - 360f) * dif / 60 + min;
}
else
{
r = 0;
g = 0;
b = 0;
}
}
return new Color(Mathf.Clamp01(r),Mathf.Clamp01(g),Mathf.Clamp01(b),hsbColor.a);
}
public Color ToColor()
{
return ToColor(this);
}
public override string ToString()
{
return "H:" + h + " S:" + s + " B:" + b;
}
public static HSBColor Lerp(HSBColor a, HSBColor b, float t)
{
float h,s;
//check special case black (color.b==0): interpolate neither hue nor saturation!
//check special case grey (color.s==0): don't interpolate hue!
if(a.b==0){
h=b.h;
s=b.s;
}else if(b.b==0){
h=a.h;
s=a.s;
}else{
if(a.s==0){
h=b.h;
}else if(b.s==0){
h=a.h;
}else{
// works around bug with LerpAngle
float angle = Mathf.LerpAngle(a.h * 360f, b.h * 360f, t);
while (angle < 0f)
angle += 360f;
while (angle > 360f)
angle -= 360f;
h=angle/360f;
}
s=Mathf.Lerp(a.s,b.s,t);
}
return new HSBColor(h, s, Mathf.Lerp(a.b, b.b, t), Mathf.Lerp(a.a, b.a, t));
}
public static void Test()
{
HSBColor color;
color = new HSBColor(Color.red);
Debug.Log("red: " + color);
color = new HSBColor(Color.green);
Debug.Log("green: " + color);
color = new HSBColor(Color.blue);
Debug.Log("blue: " + color);
color = new HSBColor(Color.grey);
Debug.Log("grey: " + color);
color = new HSBColor(Color.white);
Debug.Log("white: " + color);
color = new HSBColor(new Color(0.4f, 1f, 0.84f, 1f));
Debug.Log("0.4, 1f, 0.84: " + color);
Debug.Log("164,82,84 .... 0.643137f, 0.321568f, 0.329411f :" + ToColor(new HSBColor(new Color(0.643137f, 0.321568f, 0.329411f))));
}
}