Exemple #1
0
        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));
        }
Exemple #2
0
        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))));
        }
Exemple #3
0
        public HsbColor(Color col)
        {
            HsbColor temp = FromColor(col);

            H = temp.H;
            S = temp.S;
            B = temp.B;
            A = temp.A;
        }
Exemple #4
0
        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);
        }
Exemple #5
0
        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)));
        }