private GraffitiBlockData GetGraffitiBlockData(int startXPos, int startYPos, Texture2D layerTexture)
{
GraffitiBlockData graffitiBlockData = new GraffitiBlockData();
List <PixelData> pixels = new List <PixelData>();
for (int x = startXPos; x < startXPos + polygonWidth; x++)
{
for (int y = startYPos; y < startYPos + polygonHeight; y++)
{
Color pixel = layerTexture.GetPixel(x, y);
if (pixel.a <= 0)
{
continue;
}
pixels.Add(new PixelData
{
xPos = x,
yPos = y,
color = pixel
});
}
}
graffitiBlockData.pixels = pixels;
return(graffitiBlockData);
}
private void ParseLayer(Texture2D layerTexture)
{
int blockXCount = BlocksX;
int blockYCount = BlocksY;
int blockID = 0;
for (int j = blockYCount - 1; j >= 0; j--)
{
for (int i = 0; i < blockXCount; i++)
{
int startXPos = i * polygonWidth;
int startYPos = j * polygonHeight;
GraffitiBlockData block = GetGraffitiBlockData(startXPos, startYPos, layerTexture);
if (block.pixels.Count > 0)
{
block.blockID = blockID;
_graffitiBlocksData.Add(block);
}
blockID++;
}
}
}