public static void Paint(StrokeVector stroke, float brushAlpha, TextureMeta image, BrushConfig bc, PlaytimePainter painter)
{
if (image?.Pixels == null)
{
return;
}
var uvCoords = stroke.uvFrom;
brAlpha = brushAlpha;
bc.PrepareCpuBlit(image);
var iHalf = (int)(half);
Vector2 offset;
var tmp = image.UvToPixelNumber(uvCoords, out offset);
var smooth = bc.GetBrushType(true) != BrushTypes.Pixel.Inst;
if (smooth)
{
iHalf += 1;
offset = Vector2.zero;
}
var hf = half - 0.5f;
var halfFromX = Mathf.RoundToInt(-hf + offset.x);
var halfFromY = Mathf.RoundToInt(-hf + offset.y);
var halfToX = Mathf.RoundToInt(hf + offset.x);
var halfToY = Mathf.RoundToInt(hf + offset.y);
var fromX = tmp.x + halfFromX;
tmp.y += halfFromY;
var pixels = image.Pixels;
for (y = halfFromY; y <= halfToY; y++)
{
tmp.x = fromX;
for (x = halfFromX; x <= halfToX; x++)
{
if (alphaMode())
{
blitMode(ref pixels[image.PixelNo(tmp)]);
}
tmp.x += 1;
}
tmp.y += 1;
}
}
public static void Paint(PaintCommand.UV command)
{
TextureMeta image = command.TextureData;
if (image.Pixels == null)
{
return;
}
Brush bc = command.Brush;
var uvCoords = command.Stroke.uvFrom;
brAlpha = command.strokeAlphaPortion;
bc.PrepareCpuBlit(image);
var iHalf = (int)(half);
Vector2 offset;
var tmp = image.UvToPixelNumber(uvCoords, out offset);
var smooth = bc.GetBrushType(true) != BrushTypes.Pixel.Inst;
if (smooth)
{
iHalf += 1;
offset = Vector2.zero;
}
var hf = half - 0.5f;
var halfFromX = Mathf.RoundToInt(-hf + offset.x);
var halfFromY = Mathf.RoundToInt(-hf + offset.y);
var halfToX = Mathf.RoundToInt(hf + offset.x);
var halfToY = Mathf.RoundToInt(hf + offset.y);
var fromX = tmp.x + halfFromX;
tmp.y += halfFromY;
var pixels = image.Pixels;
for (y = halfFromY; y <= halfToY; y++)
{
tmp.x = fromX;
for (x = halfFromX; x <= halfToX; x++)
{
if (alphaMode())
{
blitMode(ref pixels[image.PixelNo(tmp)]);
}
tmp.x += 1;
}
tmp.y += 1;
}
}