/// <inheritdoc />
public override void GenerateLut()
{
if (Lut == null || Lut.width != (int)Size.x || Lut.height != (int)Size.y)
{
DestroyLut();
Lut = Helper.CreateTempTeture2D((int)Size.x, (int)Size.y, TextureFormat.ARGB32, false, false, false);
}
for (var y = 0; y < Lut.height; y++)
{
var t = y / (float)Lut.height;
var a = BrighnessGradient.Evaluate(ReverseX ? (1.0f - t) : t);
var b = Gradient.Evaluate(ReverseX ? (1.0f - t) : t);
var c = a * b;
c.a = c.grayscale;
Lut.SetPixel(0, y, c);
}
// Make sure the last pixel is white
Lut.SetPixel(0, Lut.height - 1, Color.white);
Lut.wrapMode = TextureWrapMode.Clamp;
Lut.Apply();
}
/// <inheritdoc />
public override void CalculateLut()
{
for (ushort x = 0; x < Lut.width; x++)
{
for (ushort y = 0; y < Lut.height; y++)
{
var t = (x / Size.x) - (NonLinear ? (ReverseY ? (y / Size.y) : ((Size.y - y) / Size.y)) : 0.0f);
var gradientColor = Gradient.Evaluate(ReverseX ? (1.0f - t) : t);
Lut.SetPixel(x, y, gradientColor);
}
}
Lut.Apply();
}
/// <inheritdoc />
public override void CalculateLut()
{
for (var y = 0; y < Lut.height; y++)
{
var t = y / (float)Lut.height;
var a = BrighnessGradient.Evaluate(ReverseX ? (1.0f - t) : t);
var b = Gradient.Evaluate(ReverseX ? (1.0f - t) : t);
var c = a * b;
c.a = c.grayscale;
Lut.SetPixel(0, y, c);
}
// Make sure the last pixel is white...
Lut.SetPixel(0, Lut.height - 1, Color.white);
// Make sure the wrapMode is good for penumbra...
Lut.wrapMode = TextureWrapMode.Clamp;
Lut.Apply();
}
/// <inheritdoc />
public override void GenerateLut()
{
if (Lut == null || Lut.width != (int)Size.x || Lut.height != (int)Size.y)
{
DestroyLut();
Lut = Helper.CreateTempTeture2D((int)Size.x, (int)Size.y, TextureFormat.ARGB32, false, false, false);
Lut.wrapMode = TextureWrapMode.Repeat;
}
for (ushort x = 0; x < Lut.width; x++)
{
for (ushort y = 0; y < Lut.height; y++)
{
var t = (x / Size.x) - (NonLinear ? (ReverseY ? (y / Size.y) : ((Size.y - y) / Size.y)) : 0.0f);
var gradientColor = Gradient.Evaluate(ReverseX ? (1.0f - t) : t);
Lut.SetPixel(x, y, gradientColor);
}
}
Lut.Apply();
}
