private static Sprite GetLinearGradientTexture(Rect rect, LinearGradient linearGradient)
{
Texture2D texture = GetTexture(rect);
Color[] colors = new Color[texture.width * texture.height];
for (int x = 0; x < texture.width; x++)
{
for (int y = 0; y < texture.height; y++)
{
int i = Utility.GetIndex(x, y, texture.width);
float xPercentage = (float)x / (float)texture.width;
float yPercentage = (float)y / (float)texture.height;
colors[i] = Utility.GetColor(new Vector2(xPercentage, yPercentage), linearGradient);
}
}
texture.SetPixels(colors);
texture.Apply();
return(ToSprite(texture));
}
/*private static Color GetColor(Vector2 position, RadialGradientBrush brush)
* {
* Vector2 radial = brush.GradientOrigin.ToVector();
*
* Vector2 delta = radial - position;
*
* delta.X /= (float)brush.RadiusX;
* delta.Y /= (float)brush.RadiusY;
*
* return GetColor(delta.Length(), brush);
* }*/
private static Color GetColor(Vector2 position, LinearGradient gradient)
{
float offset = PerpendicularDistance(gradient.StartPoint, gradient.EndPoint, position);
return(gradient.Brush.Evaluate(offset));
}