/// <summary>
/// Checks for overlaps between the provided object and any tiles above the collision index.
/// </summary>
/// <param name="Core">The <code>FlxObject</code> you want to check against.</param>
/// <returns>True if overlap occurs, otherwise False</returns>
override public bool overlaps(FlxObject Core)
{
int d;
int dd;
List <BlockPoint> blocks = new List <BlockPoint>();
//First make a list of all the blocks we'll use for collision
int ix = (int)FlxU.floor((Core.x - x) / _tileWidth);
int iy = (int)FlxU.floor((Core.y - y) / _tileHeight);
int iw = (int)FlxU.ceil((float)Core.width / (float)_tileWidth) + 1;
int ih = (int)FlxU.ceil((float)Core.height / (float)_tileHeight) + 1;
int r = 0;
int c;
while (r < ih)
{
if (r >= heightInTiles)
{
break;
}
d = (iy + r) * widthInTiles + ix;
c = 0;
while (c < iw)
{
if (c >= widthInTiles)
{
break;
}
dd = _data[d + c];
if (dd >= collideMin && dd >= collideMax)
{
blocks.Add(new BlockPoint((int)(x + (ix + c) * _tileWidth), (int)(y + (iy + r) * _tileHeight), dd));
}
c++;
}
r++;
}
//Then check for overlaps
int bl = blocks.Count;
int i = 0;
while (i < bl)
{
_block.x = blocks[i].x;
_block.y = blocks[i++].y;
if (_block.overlaps(Core))
{
return(true);
}
}
return(false);
}
