public void ApplyChild(ColourInfo childColour)
{
Debug.Assert(HasSingleColour);
if (childColour.HasSingleColour)
{
Colour *= childColour.Colour;
}
else
{
HasSingleColour = false;
BottomLeft = childColour.BottomLeft * TopLeft;
TopRight = childColour.TopRight * TopLeft;
BottomRight = childColour.BottomRight * TopLeft;
// Need to assign TopLeft last to keep correctness.
TopLeft = childColour.TopLeft * TopLeft;
}
}
public void ApplyChild(ColourInfo childColour)
{
if (!HasSingleColour)
{
ApplyChild(childColour, new Quad(0, 0, 1, 1));
return;
}
if (childColour.HasSingleColour)
{
singleColour *= childColour.singleColour;
}
else
{
HasSingleColour = false;
BottomLeft = childColour.BottomLeft * TopLeft;
TopRight = childColour.TopRight * TopLeft;
BottomRight = childColour.BottomRight * TopLeft;
// Need to assign TopLeft last to keep correctness.
TopLeft = childColour.TopLeft * TopLeft;
}
}
public ColourInfo(ref DrawInfo parent, ColourInfo colour)
{
if (colour.HasSingleColour && parent.Colour.HasSingleColour)
{
HasSingleColour = true;
TopLeft = BottomLeft = TopRight = BottomRight = colour.TopLeft * parent.Colour.TopLeft;
}
else if (!colour.HasSingleColour && parent.Colour.HasSingleColour)
{
HasSingleColour = false;
TopLeft = colour.TopLeft * parent.Colour.TopLeft;
BottomLeft = colour.BottomLeft * parent.Colour.TopLeft;
TopRight = colour.TopRight * parent.Colour.TopLeft;
BottomRight = colour.BottomRight * parent.Colour.TopLeft;
}
else
{
HasSingleColour = false;
TopLeft = colour.TopLeft * parent.Colour.TopLeft;
BottomLeft = colour.BottomLeft * parent.Colour.BottomLeft;
TopRight = colour.TopRight * parent.Colour.TopRight;
BottomRight = colour.BottomRight * parent.Colour.BottomRight;
}
}
public SRGBColour Interpolate(Vector2 interp) => SRGBColour.FromVector(
(1 - interp.Y) * ((1 - interp.X) * TopLeft.ToVector() + interp.X * TopRight.ToVector()) +
interp.Y * ((1 - interp.X) * BottomLeft.ToVector() + interp.X * BottomRight.ToVector()));
public bool Equals(SRGBColour other)
{
return(HasSingleColour && TopLeft.Equals(other));
}
/// <summary>
/// Creates a ColourInfo with a single linear colour assigned to all vertices.
/// </summary>
/// <param name="colour">The single linear colour to be assigned to all vertices.</param>
public ColourInfo(SRGBColour colour)
{
TopLeft = BottomLeft = TopRight = BottomRight = colour;
HasSingleColour = true;
}
public bool Equals(SRGBColour other) => HasSingleColour && TopLeft.Equals(other);
