Get portion of image stored in 1d

beepboop.cs

for(int y = portion.y; y < portion.height+portion.y; y++)
{
	for(int x = portion.x; x < portion.width+portion.x; x++)
	{
		int pixelPos = (x*image.width) + y;
		
		image.pixelData[pixelPos] = Color.Black;
	}
}