void RegenerateTexture()
{
Color32 baseColor = Picker.CurrentColor;
float h = Picker.H;
float s = Picker.S;
float v = Picker.V;
Texture2D texture;
Color32[] colors;
bool vertical = direction == Slider.Direction.BottomToTop || direction == Slider.Direction.TopToBottom;
bool inverted = direction == Slider.Direction.TopToBottom || direction == Slider.Direction.RightToLeft;
int size;
switch (Type)
{
case ColorParamType.R:
case ColorParamType.G:
case ColorParamType.B:
case ColorParamType.A:
size = 255;
break;
case ColorParamType.H:
size = 360;
break;
case ColorParamType.S:
case ColorParamType.V:
size = 100;
break;
default:
throw new System.NotImplementedException("");
}
texture = vertical ? new Texture2D(1, size, TextureFormat.RGB24, false) : new Texture2D(size, 1, TextureFormat.RGB24, false);
texture.filterMode = FilterMode.Point;
texture.hideFlags = HideFlags.DontSave;
colors = new Color32[size];
switch (Type)
{
case ColorParamType.R:
for (byte i = 0; i < size; i++)
{
colors[inverted ? size - 1 - i : i] = new Color32(i, baseColor.g, baseColor.b, 255);
}
break;
case ColorParamType.G:
for (byte i = 0; i < size; i++)
{
colors[inverted ? size - 1 - i : i] = new Color32(baseColor.r, i, baseColor.b, 255);
}
break;
case ColorParamType.B:
for (byte i = 0; i < size; i++)
{
colors[inverted ? size - 1 - i : i] = new Color32(baseColor.r, baseColor.g, i, 255);
}
break;
case ColorParamType.A:
for (byte i = 0; i < size; i++)
{
colors[inverted ? size - 1 - i : i] = new Color32(i, i, i, 255);
}
break;
case ColorParamType.H:
for (int i = 0; i < size; i++)
{
colors[inverted ? size - 1 - i : i] = ColorHelper.Hsv2Rgb((float)i / size, 1, 1);
}
break;
case ColorParamType.S:
for (int i = 0; i < size; i++)
{
colors[inverted ? size - 1 - i : i] = ColorHelper.Hsv2Rgb(h, (float)i / size, v);
}
break;
case ColorParamType.V:
for (int i = 0; i < size; i++)
{
colors[inverted ? size - 1 - i : i] = ColorHelper.Hsv2Rgb(h, s, (float)i / size);
}
break;
default:
throw new System.NotImplementedException("");
}
texture.SetPixels32(colors);
texture.Apply();
if (image.texture != null)
{
DestroyImmediate(image.texture);
}
image.texture = texture;
switch (direction)
{
case Slider.Direction.BottomToTop:
case Slider.Direction.TopToBottom:
image.uvRect = new Rect(0, 0, 2, 1);
break;
case Slider.Direction.LeftToRight:
case Slider.Direction.RightToLeft:
image.uvRect = new Rect(0, 0, 1, 2);
break;
}
}