public static List <PointF> GetPointsInMapSpace(TmxMap tmxMap, TmxHasPoints objectWithPoints)
{
PointF local = ObjectPointFToMapSpace(tmxMap, 0f, 0f);
local.X = 0f - local.X;
local.Y = 0f - local.Y;
return((from pt in (from pt in objectWithPoints.Points
select ObjectPointFToMapSpace(tmxMap, pt)).ToList()
select AddPoints(pt, local)).ToList());
}
public static List<PointF> GetPointsInMapSpace(TmxMap tmxMap, TmxHasPoints objectWithPoints)
{
PointF local = TmxMath.ObjectPointFToMapSpace(tmxMap, 0, 0);
local.X = -local.X;
local.Y = -local.Y;
List<PointF> xfPoints = objectWithPoints.Points.Select(pt => TmxMath.ObjectPointFToMapSpace(tmxMap, pt)).ToList();
xfPoints = xfPoints.Select(pt => TmxMath.AddPoints(pt, local)).ToList();
return xfPoints;
}
public static List <PointF> GetPointsInMapSpace(TmxMap tmxMap, TmxHasPoints objectWithPoints)
{
PointF local = TmxMath.ObjectPointFToMapSpace(tmxMap, 0, 0);
local.X = -local.X;
local.Y = -local.Y;
List <PointF> xfPoints = objectWithPoints.Points.Select(pt => TmxMath.ObjectPointFToMapSpace(tmxMap, pt)).ToList();
xfPoints = xfPoints.Select(pt => TmxMath.AddPoints(pt, local)).ToList();
return(xfPoints);
}
private void FixTileColliderObjects(TmxMap tmxMap)
{
// Objects inside of tiles are colliders that will be merged with the colliders on neighboring tiles.
// In order to promote this merging we have to perform the following clean up operations ...
// - All rectangles objects are made into polygon objects
// - All polygon objects will have their rotations burned into the polygon points (and Rotation set to zero)
// - All cooridinates will be "sanitized" to make up for floating point errors due to rotation and poor placement of colliders
// (The sanitation will round all numbers to the nearest 1/256th)
// Replace rectangles with polygons
for (int i = 0; i < this.ObjectGroup.Objects.Count; i++)
{
TmxObject tmxObject = this.ObjectGroup.Objects[i];
if (tmxObject is TmxObjectRectangle)
{
TmxObjectPolygon tmxObjectPolygon = TmxObjectPolygon.FromRectangle(tmxMap, tmxObject as TmxObjectRectangle);
this.ObjectGroup.Objects[i] = tmxObjectPolygon;
}
}
// Burn rotation into all polygon points, sanitizing the point locations as we go
foreach (TmxObject tmxObject in this.ObjectGroup.Objects)
{
TmxHasPoints tmxHasPoints = tmxObject as TmxHasPoints;
if (tmxHasPoints != null)
{
var pointfs = tmxHasPoints.Points.ToArray();
// Rotate our points by the rotation and position in the object
TmxMath.RotatePoints(pointfs, tmxObject);
// Sanitize our points to make up for floating point precision errors
pointfs = pointfs.Select(TmxMath.Sanitize).ToArray();
// Set the points back into the object
tmxHasPoints.Points = pointfs.ToList();
// Zero out our rotation
tmxObject.BakeRotation();
}
}
}
private void FixTileColliderObjects(TmxMap tmxMap)
{
for (int i = 0; i < ObjectGroup.Objects.Count; i++)
{
TmxObject tmxObject = ObjectGroup.Objects[i];
if (tmxObject is TmxObjectRectangle)
{
TmxObjectPolygon value = TmxObjectPolygon.FromRectangle(tmxMap, tmxObject as TmxObjectRectangle);
ObjectGroup.Objects[i] = value;
}
}
foreach (TmxObject @object in ObjectGroup.Objects)
{
TmxHasPoints tmxHasPoints = @object as TmxHasPoints;
if (tmxHasPoints != null)
{
PointF[] array = tmxHasPoints.Points.ToArray();
TmxMath.RotatePoints(array, @object);
array = array.Select(TmxMath.Sanitize).ToArray();
tmxHasPoints.Points = array.ToList();
@object.BakeRotation();
}
}
}
