|
public getScreenXY ( FlxPoint Point = null, |
||
| Point | FlxPoint | Take a FlxPoint object and assign the post-scrolled X and Y values of this object to it |
| Camera | Which Camera - currently only one exists | |
| return | FlxPoint | |
/// <summary>
/// Checks to see if this FlxObject were located at the given position
/// </summary>
/// <param name="X">X position you want to check</param>
/// <param name="Y">Y position you want to check</param>
/// <param name="ObjectOrGroup">The object or group being tested</param>
/// <param name="InScreenSpace">Whether to take scroll factors into account.</param>
/// <param name="Camera">Which Camera - currently only one exists</param>
/// <returns></returns>
public virtual bool overlapsAt(float X, float Y, FlxBasic ObjectOrGroup, bool InScreenSpace = false, FlxCamera Camera = null)
{
if (ObjectOrGroup is FlxGroup)
{
bool results = false;
int i = 0; List <FlxBasic> members = new List <FlxBasic>();
members = (ObjectOrGroup as FlxGroup).members;
uint length = (uint)members.Count;
while (i < length)
{
if (overlapsAt(X, Y, members[i++], InScreenSpace, Camera))
{
results = true;
}
}
return(results);
}
if (ObjectOrGroup is FlxTilemap)
{
FlxTilemap tilemap = ObjectOrGroup as FlxTilemap;
return(tilemap.overlapsAt(tilemap.x - (X - x), tilemap.y - (Y - y), this, InScreenSpace, Camera));
}
FlxObject Object = ObjectOrGroup as FlxObject;
if (!InScreenSpace)
{
return((Object.x + Object.width > X) && (Object.x < X + width) &&
(Object.y + Object.height > Y) && (Object.y < Y + height));
}
if (Camera == null)
{
Camera = FlxG.camera;
}
FlxPoint objectScreenPos = Object.getScreenXY(null, Camera);
_point.x = X - Camera.scroll.x * scrollFactor.x;
_point.y = Y - Camera.scroll.y * scrollFactor.y;
_point.x += (_point.x > 0) ? 0.0000001f : -0.0000001f;
_point.y += (_point.y > 0) ? 0.0000001f : -0.0000001f;
return((objectScreenPos.x + Object.width > _point.x) && (objectScreenPos.x < _point.x + width) &&
(objectScreenPos.y + Object.height > _point.y) && (objectScreenPos.y < _point.y + height));
}
/// <summary>
/// Checks to see if some FlxObject overlaps this FlxObject or FlxGroup.
/// If the group has a LOT of things in it, it might be faster to use <code>FlxG.ovelaps()</code>
/// </summary>
/// <param name="ObjectOrGroup">The object or group being tested</param>
/// <param name="InScreenSpace">Whether to take scroll factors into account.</param>
/// <param name="Camera">Which Camera - currently only one exists</param>
/// <returns></returns>
public virtual bool overlaps(FlxBasic ObjectOrGroup, bool InScreenSpace = false, FlxCamera Camera = null)
{
if (ObjectOrGroup is FlxGroup)
{
bool results = false;
int i = 0;
List <FlxBasic> members = new List <FlxBasic>();
members = (ObjectOrGroup as FlxGroup).members;
//uint l = (uint)(ObjectOrGroup as FlxGroup).length;
uint length = (uint)members.Count;
while (i < length)
{
if (overlaps(members[i++], InScreenSpace, Camera))
{
results = true;
}
}
return(results);
}
if (ObjectOrGroup is FlxTilemap)
{
//Since tilemap's have to be the caller, not the target, to do proper tile-based collisions,
// we redirect the call to the tilemap overlap here.
return((ObjectOrGroup as FlxTilemap).overlaps(this, InScreenSpace, Camera));
}
FlxObject Object = ObjectOrGroup as FlxObject;
if (!InScreenSpace)
{
return((Object.x + Object.width > x) && (Object.x < x + width) &&
(Object.y + Object.height > y) && (Object.y < y + height));
}
if (Camera == null)
{
Camera = FlxG.camera;
}
FlxPoint objectScreenPos = Object.getScreenXY(null, Camera);
getScreenXY(_point, Camera);
return((objectScreenPos.x + Object.width > _point.x) && (objectScreenPos.x < _point.x + width) &&
(objectScreenPos.y + Object.height > _point.y) && (objectScreenPos.y < _point.y + height));
}
