public static void Highlight(ref Texture2D tex, Color backgroundColor, float highlightIntensity, bool highlightByColor)
{
List <(Vector2Int, Color)> toHighlight = new List <(Vector2Int, Color)>();
for (var column = 0; column < tex.width; column++)
{
for (var row = 0; row < tex.height; row++)
{
var thisPixel = tex.GetPixel(column, row);
if (thisPixel == backgroundColor)
{
continue;
}
var pixelContext = ColorPixel9WayContext.GetPixelContext(tex, column, row);
if (highlightByColor)
{
if (pixelContext.upLeft == thisPixel &&
pixelContext.up == thisPixel &&
pixelContext.upRight == thisPixel &&
pixelContext.left == thisPixel &&
pixelContext.right == thisPixel &&
pixelContext.downLeft == thisPixel &&
pixelContext.down == thisPixel &&
pixelContext.downRight == thisPixel)
{
toHighlight.Add((new Vector2Int(column, row), thisPixel));
}
}
else
{
if (pixelContext.upLeft != backgroundColor &&
pixelContext.up != backgroundColor &&
pixelContext.upRight != backgroundColor &&
pixelContext.left != backgroundColor &&
pixelContext.right != backgroundColor &&
pixelContext.downLeft != backgroundColor &&
pixelContext.down != backgroundColor &&
pixelContext.downRight != backgroundColor)
{
tex.SetPixel(column, row, thisPixel + Color.white * highlightIntensity);
//TODO: this doesn't reliably know the background color
}
}
}
}
foreach (var pixel in toHighlight)
{
tex.SetPixel(pixel.Item1.x, pixel.Item1.y, pixel.Item2 + Color.white * highlightIntensity);
}
}
public static void SetPixelSampled(Texture2D tex, ref Texture2D newTex, int newColumn, int newRow, int scale)
{
switch (scale)
{
case 2:
var pixelContext = ColorPixel9WayContext.GetPixelContext(tex, newColumn.Downsample(scale), newRow.Downsample(scale));
newTex.SetPixel(newColumn, newRow, pixelContext.Context(GetOrientation(newColumn, newRow, scale)));
break;
case 3:
var pixelContext3 = ColorPixel9WayContext.GetPixelContext(tex, newColumn.Downsample(scale), newRow.Downsample(scale));
newTex.SetPixel(newColumn, newRow, pixelContext3.Context(GetOrientation(newColumn, newRow, scale)));
break;
}
}
public static void Shade(ref Texture2D tex, Color backgroundColor, float shadingIntensity, bool shadingByColor)
{
List <(Vector2Int, Color)> toDarken = new List <(Vector2Int, Color)>();
for (var column = 0; column < tex.width; column++)
{
for (var row = 0; row < tex.height; row++)
{
var thisPixel = tex.GetPixel(column, row);
if (thisPixel == backgroundColor)
{
continue;
}
var pixelContext = ColorPixel9WayContext.GetPixelContext(tex, column, row);
if (shadingByColor &&
(pixelContext.down != thisPixel ||
pixelContext.downLeft != thisPixel ||
pixelContext.left != thisPixel))
{
toDarken.Add((new Vector2Int(column, row), thisPixel));
}
else if (!shadingByColor &&
(pixelContext.down == backgroundColor ||
pixelContext.downLeft == backgroundColor ||
pixelContext.left == backgroundColor))
{
tex.SetPixel(column, row, thisPixel - Color.white * shadingIntensity);
}
}
}
if (shadingByColor)
{
foreach (var pixel in toDarken)
{
tex.SetPixel(pixel.Item1.x, pixel.Item1.y, pixel.Item2 - Color.white * shadingIntensity);
}
}
}
