public override void Render(Camera camera, Color color)
{
if (camera == null)
{
for (int i = 0; i < CellsX; i++)
{
for (int j = 0; j < CellsY; j++)
{
if (Data[i, j])
{
Draw.HollowRect(AbsoluteLeft + i * CellWidth, AbsoluteTop + j * CellHeight, CellWidth, CellHeight, color);
}
}
}
}
else
{
int left = (int)Math.Max(0, ((camera.Left - AbsoluteLeft) / CellWidth));
int right = (int)Math.Min(CellsX - 1, Math.Ceiling((camera.Right - AbsoluteLeft) / CellWidth));
int top = (int)Math.Max(0, ((camera.Top - AbsoluteTop) / CellHeight));
int bottom = (int)Math.Min(CellsY - 1, Math.Ceiling((camera.Bottom - AbsoluteTop) / CellHeight));
for (int tx = left; tx <= right; tx++)
{
for (int ty = top; ty <= bottom; ty++)
{
if (Data[tx, ty])
{
Draw.HollowRect(AbsoluteLeft + tx * CellWidth, AbsoluteTop + ty * CellHeight, CellWidth, CellHeight, color);
}
}
}
}
}
public override void Render(Camera camera, Color color)
{
Draw.HollowRect(AbsoluteX, AbsoluteY, Width, Height, color);
}