Vec2I GetMapMotionPosition( Vec2 pos )
{
Vec2 pf = ( pos - mapMotionPosition ) * gridCellSizeInv;
Vec2I p = new Vec2I( (int)pf.X, (int)pf.Y );
p.Clamp( new Vec2I( 0, 0 ), mapMaxIndex );
return p;
}
RectI GetMapMotionRectangle( Rect rect )
{
Vec2 minf = ( rect.Minimum - mapMotionPosition ) * gridCellSizeInv;
Vec2 maxf = ( rect.Maximum - mapMotionPosition ) * gridCellSizeInv;
Vec2I min = new Vec2I( (int)minf.X, (int)minf.Y );
Vec2I max = new Vec2I( (int)maxf.X, (int)maxf.Y );
min.Clamp( new Vec2I( 0, 0 ), mapMaxIndex );
max.Clamp( new Vec2I( 0, 0 ), mapMaxIndex );
return new RectI( min, max );
}
