public Slice2D PolygonSlice(Polygon2D slice, Polygon2D slicePolygonDestroy)
{
Slice2D slice2D = Slice2D.Create(gameObject, slice);
if (isActiveAndEnabled == false)
{
return(slice2D);
}
Polygon2D colliderPolygon = GetPolygonToSlice();
if (colliderPolygon != null)
{
Slice2D sliceResult = Slicer2D.API.PolygonSlice(colliderPolygon, slice);
if (sliceResult.GetPolygons().Count > 0)
{
if (slicePolygonDestroy != null)
{
foreach (Polygon2D p in new List <Polygon2D>(sliceResult.GetPolygons()))
{
if (slicePolygonDestroy.PolyInPoly(p) == true)
{
sliceResult.RemovePolygon(p);
}
}
}
// Check If Slice Result Is Correct
if (sliceResult.GetPolygons().Count > 0)
{
sliceResult.AddGameObjects(PerformResult(sliceResult.GetPolygons(), slice2D));
}
else if (slicePolygonDestroy != null)
{
Destroy(gameObject);
}
return(sliceResult);
}
}
return(slice2D);
}
// Triggered Before Every Slice
// Should we perform slice? Is it succesful according our rules?
bool OnSlice(Slice2D sliceResult)
{
Polygon2D CutObject = ThinSliceHelper.GetSmallestPolygon(sliceResult);
// Forbidden double slices // Shouldn't be possible with linear slicer
if (sliceResult.GetPolygons().Count > 2)
{
return(false);
}
// Add Particles if slice is succesful
if (CutObject == null)
{
ThinSlicerParticles.Create();
Slicer2DController.Get().complexControllerObject.pointsList[0].Clear();
return(false);
}
return(true);
}
static public List <Slice2D> ComplexCutSliceAll(ComplexCut complexCut, Layer layer = null)
{
List <Slice2D> result = new List <Slice2D> ();
if (layer == null)
{
layer = Layer.Create();
}
foreach (Sliceable2D id in Sliceable2D.GetListLayer(layer))
{
Slice2D sliceResult = id.ComplexCutSlice(complexCut);
if (sliceResult.GetGameObjects().Count > 0)
{
result.Add(sliceResult);
}
}
return(result);
}
static public List <Slice2D> ExplodeAll(Layer layer = null, int explosionSlices = 0)
{
List <Slice2D> result = new List <Slice2D> ();
if (layer == null)
{
layer = Layer.Create();
}
foreach (Sliceable2D id in Sliceable2D.GetListLayer(layer))
{
Slice2D sliceResult = id.Explode(explosionSlices);
if (sliceResult.GetGameObjects().Count > 0)
{
result.Add(sliceResult);
}
}
return(result);
}
static public List <Slice2D> ExplodeInPointAll(Vector2D point, Layer layer = null)
{
List <Slice2D> result = new List <Slice2D> ();
if (layer == null)
{
layer = Layer.Create();
}
foreach (Sliceable2D id in Sliceable2D.GetListLayer(layer))
{
Slice2D sliceResult = id.ExplodeInPoint(point);
if (sliceResult.GetGameObjects().Count > 0)
{
result.Add(sliceResult);
}
}
return(result);
}
static public List <Slice2D> PointSliceAll(Vector2D slice, float rotation, Layer layer = null)
{
List <Slice2D> result = new List <Slice2D> ();
if (layer == null)
{
layer = Layer.Create();
}
foreach (Sliceable2D id in Sliceable2D.GetListLayer(layer))
{
Slice2D sliceResult = id.PointSlice(slice, rotation);
if (sliceResult.GetGameObjects().Count > 0)
{
result.Add(sliceResult);
}
}
return(result);
}
static public List <Slice2D> ComplexSliceAll(List <Vector2D> slice, Slice2DLayer layer = null)
{
List <Slice2D> result = new List <Slice2D> ();
if (layer == null)
{
layer = Slice2DLayer.Create();
}
foreach (Slicer2D id in GetListLayer(layer))
{
Slice2D sliceResult = id.ComplexSlice(slice);
if (sliceResult.GetGameObjects().Count > 0)
{
result.Add(sliceResult);
}
}
return(result);
}
static public List <Slice2D> LinearCutSliceAll(LinearCut linearCut, Slice2DLayer layer = null)
{
List <Slice2D> result = new List <Slice2D> ();
if (layer == null)
{
layer = Slice2DLayer.Create();
}
foreach (Slicer2D id in GetListLayer(layer))
{
Slice2D sliceResult = id.LinearCutSlice(linearCut);
if (sliceResult.GetGameObjects().Count > 0)
{
result.Add(sliceResult);
}
}
return(result);
}
// Complex Slice
static public Slice2D Slice(Polygon2D polygon, List <Vector2D> slice)
{
Slice2D result = Slice2D.Create(null, slice);
if (slice == null)
{
return(result);
}
if (slice.Count < 2)
{
return(result);
}
// Normalize into clockwise
polygon.Normalize();
// Optimization
// Skip slicing polygons that are not overlapping with slice
Rect sliceRect = Math2D.GetBounds(slice);
Rect polygonRect = polygon.GetBounds();
if (sliceRect.Overlaps(polygonRect) == false)
{
return(result);
}
// If possible - slice out area
if (Slicer2D.complexSliceType != Slicer2D.SliceType.Regular)
{
result = ComplexSlicerExtended.SlicePolygonInside(polygon, slice);
if (result.GetPolygons().Count > 0)
{
return(result);
}
}
result = MultipleSlice(polygon, slice);
return(result);
}
public Slice2D Explode(int explosionSlices = 0)
{
Slice2D slice2D = Slice2D.Create(gameObject, Slice2DType.Explode);
if (isActiveAndEnabled == false)
{
return(slice2D);
}
Polygon2D colliderPolygon = GetPolygonToSlice();
if (colliderPolygon != null)
{
Slice2D sliceResult = Slicer2D.API.Explode(colliderPolygon, explosionSlices);
PerformResult(sliceResult.GetPolygons(), sliceResult);
return(sliceResult);
}
return(slice2D);
}
public Slice2D ComplexSlice(List <Vector2D> slice)
{
Slice2D slice2D = Slice2D.Create(gameObject, slice);
if (isActiveAndEnabled == false)
{
return(slice2D);
}
Polygon2D colliderPolygon = GetPolygonToSlice();
if (colliderPolygon != null)
{
Slice2D sliceResult = Slicer2D.API.ComplexSlice(colliderPolygon, slice);
PerformResult(sliceResult.GetPolygons(), sliceResult);
return(sliceResult);
}
return(slice2D);
}
public Slice2D ComplexCutSlice(ComplexCut slice)
{
Slice2D slice2D = Slice2D.Create(gameObject, slice);
if (isActiveAndEnabled == false)
{
return(slice2D);
}
Polygon2D colliderPolygon = GetPolygonToSlice();
if (colliderPolygon != null)
{
Polygon2D slicePoly = new Polygon2D(slice.GetPointsList(1.01f));
if (Math2D.PolyInPoly(slicePoly, colliderPolygon) == true)
{
Destroy(gameObject);
return(slice2D);
}
else
{
Slice2D sliceResult = Slicer2D.API.ComplexCutSlice(colliderPolygon, slice);
foreach (Polygon2D poly in new List <Polygon2D> (sliceResult.GetPolygons()))
{
if (Math2D.PolyInPoly(slicePoly, poly))
{
sliceResult.RemovePolygon(poly);
}
}
PerformResult(sliceResult.GetPolygons(), sliceResult);
return(sliceResult);
}
}
return(Slice2D.Create(gameObject, slice));
}
static public void ComplexTrail(Slice2D slice, float forceAmount)
{
Rigidbody2D rigidBody2D;
Vector2D vec;
float sliceRotation;
float forceVal;
Vector2 vecSum = Vector2.zero;
for (int i = 0; i < slice.GetGameObjects().Count; i++)
{
rigidBody2D = slice.GetGameObjects()[i].GetComponent <Rigidbody2D> ();
if (rigidBody2D)
{
List <Vector2D> collisions = slice.GetCollisions();
forceVal = 2.0f / collisions.Count;
for (int x = 0; x < collisions.Count; x++)
{
vec = collisions[x];
pair.A = vec;
if (pair.A != null && pair.B != null)
{
sliceRotation = (float)Vector2D.Atan2(pair.A, pair.B);
force.x = Mathf.Cos(sliceRotation) * forceAmount;
force.y = Mathf.Sin(sliceRotation) * forceAmount;
vecSum.x = (float)(pair.A.x + pair.B.x) / 2f;
vecSum.y = (float)(pair.A.y + pair.B.y) / 2f;
rigidBody2D.AddForceAtPosition(forceVal * force, vecSum);
}
pair.B = pair.A;
}
}
}
}
public void Result(Slice2D slice)
{
if (sliceResultEvent != null)
{
sliceResultEvent(slice);
}
if (globalSliceResultEvent != null)
{
globalSliceResultEvent(slice);
}
if (anchorSliceResultEvent != null)
{
anchorSliceResultEvent(slice);
}
if (anchorGlobalSliceResultEvent != null)
{
anchorGlobalSliceResultEvent(slice);
}
}
public Slice2D PointSlice(Vector2D point, float rotation)
{
Slice2D slice2D = Slice2D.Create(gameObject, point, rotation);
if (isActiveAndEnabled == false)
{
return(slice2D);
}
Polygon2D colliderPolygon = GetPolygonToSlice();
if (colliderPolygon != null)
{
Slice2D sliceResult = Slicer2D.API.PointSlice(colliderPolygon, point, rotation);
PerformResult(sliceResult.GetPolygons(), sliceResult);
return(sliceResult);
}
return(slice2D);
}
static public void LinearSlice(Slice2D slice, float forceAmount)
{
float sliceRotationA = (float)Vector2D.Atan2(slice.slice[1], slice.slice[0]) - 90f * Mathf.Deg2Rad;
float sliceRotationB = (float)Vector2D.Atan2(slice.slice[1], slice.slice[0]) + 90f * Mathf.Deg2Rad;
float rot = 0;
Rigidbody2D rigidBody2D;
List <Vector2D> collisions = slice.GetCollisions();
Vector2 middleCollision = ((collisions[0] + collisions[1]) / 2f).ToVector2();
foreach (GameObject gameObject in slice.GetGameObjects())
{
rigidBody2D = gameObject.GetComponent <Rigidbody2D> ();
if (rigidBody2D)
{
Polygon2D poly = slice.GetPolygons()[slice.GetGameObjects().IndexOf(gameObject)];
Rect bounds = poly.GetBounds();
Vector2 cpA = middleCollision;
cpA = cpA.Push(sliceRotationA, 1);
Vector2 cpB = middleCollision;
cpB = cpB.Push(sliceRotationB, 1);
if (Vector2.Distance(cpA, bounds.center) < Vector2.Distance(cpB, bounds.center))
{
rot = sliceRotationA;
}
else
{
rot = sliceRotationB;
}
rigidBody2D.AddForce(new Vector2(Mathf.Cos(rot), Mathf.Sin(rot)) * forceAmount);
}
}
}
//オブジェクトをスライスしたら
void SliceEvent(Slice2D slice)
{
//親オブジェクトを取得
GameObject OyaKame = transform.root.gameObject.transform.GetChild(0).gameObject;
OyaKame.GetComponent <LettuceTatle>().SetCutted();
//スライスされた全オブジェクトを読み込み
foreach (GameObject parts in slice.GetGameObjects())
{
Rigidbody2D rb;
if (rb = parts.GetComponent <Rigidbody2D>())
{
parts.GetComponent <PolygonCollider2D>().isTrigger = false;
rb.freezeRotation = true;
rb.gravityScale = 1.0f;
rb.AddForce(new Vector2(Random.Range(-50, 50), 100));
}
//スライスを不可にする
Slicer2D slicer = parts.GetComponent <Slicer2D>();
slicer.enabled = false;
}
}
//オブジェクトをスライスしたら
void SliceEvent(Slice2D slice)
{
//親稲を取得
GameObject OyaIne = transform.root.gameObject;
OyaIne.GetComponent <Ine>().SetCutted();
//スライスされた全オブジェクトを読み込み
foreach (GameObject parts in slice.GetGameObjects())
{
Rigidbody2D rb;
if (rb = parts.GetComponent <Rigidbody2D>())
{
rb.freezeRotation = true;
rb.gravityScale = 1.0f;
rb.AddForce(new Vector2(Random.Range(-50, 50), 100));
}
//スライスを不可にする
Slicer2D slicer = parts.GetComponent <Slicer2D>();
slicer.enabled = false;
}
}
// Triggered On Every Successful Slice
// Manage Game Objects
void AfterSlice(Slice2D sliceResult)
{
GameObject cutObject = ThinSliceHelper.GetSmallestGameObject(sliceResult);
if (cutObject != null)
{
ThinSliceHelper.ExplodeGameObject(cutObject, sliceResult.originGameObject);
foreach (GameObject g in sliceResult.GetGameObjects())
{
if (g != cutObject)
{
g.name = sliceResult.originGameObject.name;
}
else
{
g.name = "Falling Peace";
}
}
}
ThinSliceGameManager.UpdateLevelProgress();
}
public void CopyTracker(Slice2D slice, Slicer2D slicer)
{
foreach (Slicer2DLinearTrackedController trackerComponent in Object.FindObjectsOfType <Slicer2DLinearTrackedController>())
{
if (trackerComponent.trackerObject == this)
{
continue;
}
Dictionary <Slicer2D, SlicerTrackerObject> list = new Dictionary <Slicer2D, SlicerTrackerObject>(trackerComponent.trackerObject.trackerList);
foreach (KeyValuePair <Slicer2D, SlicerTrackerObject> pair in list)
{
if (pair.Key != slicer)
{
continue;
}
foreach (GameObject g in slice.GetGameObjects())
{
Slicer2D newSlicer = g.GetComponent <Slicer2D>();
SlicerTrackerObject t = null;
trackerList.TryGetValue(newSlicer, out t);
if (t == null)
{
t = new SlicerTrackerObject();
t.firstPosition = pair.Value.firstPosition;
t.lastPosition = pair.Value.lastPosition;
t.tracking = true;
trackerComponent.trackerObject.trackerList.Add(newSlicer, t);
}
}
}
}
}
static public Slice2D LinearCutSlice(Polygon2D polygon, LinearCut linearCut)
{
List <Vector2D> slice = linearCut.GetPointsList().ToVector2DList();
Slice2D result = Slice2D.Create(null, linearCut);
if (slice.Count < 1)
{
return(result);
}
Vector2D startPoint = null;
foreach (Vector2D id in slice)
{
if (polygon.PointInPoly(id) == false)
{
startPoint = id;
break;
}
}
Polygon2D newPolygon = new Polygon2D(slice);
slice = Vector2DList.GetListStartingPoint(slice, startPoint);
slice.Add(startPoint);
if (polygon.PolyInPoly(newPolygon))
{
polygon.AddHole(newPolygon);
result.AddPolygon(polygon);
return(result);
}
result = ComplexSlicer.Slice(polygon, slice);
return(result);
}
void SliceEvent(Slice2D slice)
{
Slicer2DParticlesManager.Instantiate();
foreach (List <Vector2D> pointList in slice.slices)
{
foreach (Pair2D p in Pair2D.GetList(pointList))
{
Particle2D firstParticle = Particle2D.Create(Random.Range(0, 360), new Vector3((float)p.A.x, (float)p.A.y, posZ));
Slicer2DParticlesManager.particlesList.Add(firstParticle);
Particle2D lastParticle = Particle2D.Create(Random.Range(0, 360), new Vector3((float)p.B.x, (float)p.B.y, posZ));
Slicer2DParticlesManager.particlesList.Add(lastParticle);
Vector2 pos = p.A.ToVector2();
while (Vector2.Distance(pos, p.B.ToVector2()) > 0.5f)
{
pos = Vector2.MoveTowards(pos, p.B.ToVector2(), 0.35f);
Particle2D particle = Particle2D.Create(Random.Range(0, 360), new Vector3(pos.x, pos.y, posZ));
Slicer2DParticlesManager.particlesList.Add(particle);
}
}
}
}
public List <Slice2D> Update(Vector2D position, float timer, Slice2DLayer layer)
{
List <Slice2D> result = new List <Slice2D>();
foreach (Slicer2D slicer in Slicer2D.GetListCopy())
{
if (slicer.MatchLayers(layer) == false)
{
continue;
}
SlicerTrailObject trail = null;
trailList.TryGetValue(slicer, out trail);
if (trail == null)
{
trail = new SlicerTrailObject();
trailList.Add(slicer, trail);
}
if (trail.lastPosition != null)
{
if (Vector2D.Distance(trail.lastPosition, position) > 0.05f)
{
trail.pointsList.Insert(0, new TrailPoint(position, timer));
}
}
else
{
trail.pointsList.Insert(0, new TrailPoint(position, timer));
}
foreach (TrailPoint trailPoint in new List <TrailPoint>(trail.pointsList))
{
if (trailPoint.Update() == false)
{
trail.pointsList.Remove(trailPoint);
}
}
if (trail.pointsList.Count > 1)
{
Vector2D firstPoint = null;
Vector2D lastPoint = null;
bool insideState = false;
foreach (TrailPoint trailPoint in trail.pointsList)
{
bool inside = false;
if (slicer.shape.GetLocal().PointInPoly(trailPoint.position.InverseTransformPoint(slicer.transform)))
{
inside = true;
}
switch (insideState)
{
case true:
// Slice!
if (inside == false)
{
lastPoint = trailPoint.position;
insideState = false;
break;
}
break;
case false:
if (inside == false)
{
// Searching For Start of Slice
firstPoint = trailPoint.position;
insideState = true;
}
break;
}
if (lastPoint != null)
{
break;
}
}
if (firstPoint != null && lastPoint != null)
{
Slicer2D.complexSliceType = Slicer2D.SliceType.Regular;
Slice2D slice = slicer.LinearSlice(new Pair2D(firstPoint, lastPoint));
if (slice.GetGameObjects().Count > 0)
{
trailList.Remove(slicer);
result.Add(slice);
}
;
}
}
trail.lastPosition = position;
}
return(result);
}
public void Update(Vector2 position, float minVertexDistance = 1f)
{
List <Slicer2D> slicer2DList = Slicer2D.GetListCopy();
Vector2D trackedPos;
foreach (Slicer2D slicer in slicer2DList)
{
SlicerTrackerObject tracker = null;
trackerList.TryGetValue(slicer, out tracker);
if (tracker == null)
{
tracker = new SlicerTrackerObject();
trackerList.Add(slicer, tracker);
}
trackedPos = new Vector2D(slicer.transform.transform.InverseTransformPoint(position));
if (tracker.lastPosition != null)
{
if (slicer.shape.GetLocal().PointInPoly(trackedPos))
{
if (tracker.tracking == false)
{
tracker.firstPosition = tracker.lastPosition;
}
tracker.tracking = true;
}
else if (tracker.tracking == true)
{
tracker.tracking = false;
if (tracker.firstPosition != null)
{
tracker.lastPosition = trackedPos;
Pair2D slicePair = new Pair2D(new Vector2D(slicer.transform.TransformPoint(tracker.firstPosition.ToVector2())), new Vector2D(slicer.transform.TransformPoint(tracker.lastPosition.ToVector2())));
Slice2D slice = slicer.LinearSlice(slicePair);
if (slice.GetGameObjects().Count > 0)
{
CopyTracker(slice, slicer);
}
;
}
trackerList.Remove(slicer);
}
else
{
if (tracker.tracking == false && tracker.lastPosition != null)
{
if (trackedPos.x != tracker.lastPosition.x && trackedPos.y != tracker.lastPosition.y)
{
bool collision = Math2D.LineIntersectPoly(new Pair2D(trackedPos, tracker.lastPosition), slicer.shape.GetLocal());
if (collision)
{
tracker.firstPosition = tracker.lastPosition;
tracker.tracking = true;
}
}
}
}
}
if (tracker != null)
{
tracker.lastPosition = trackedPos;
}
}
}
public List <Slice2D> Update(Vector2D position, float timer, Slice2DLayer layer)
{
List <Slice2D> result = new List <Slice2D>();
foreach (Slicer2D slicer in Slicer2D.GetListCopy())
{
if (slicer.MatchLayers(layer) == false)
{
continue;
}
SlicerTrailObject trail = null;
trailList.TryGetValue(slicer, out trail);
if (trail == null)
{
trail = new SlicerTrailObject();
trailList.Add(slicer, trail);
}
if (trail.lastPosition != null)
{
if (Vector2D.Distance(trail.lastPosition, position) > 0.05f)
{
trail.pointsList.Add(new TrailPoint(position, timer));
}
}
else
{
trail.pointsList.Add(new TrailPoint(position, timer));
}
if (trail.pointsList.Count > 1)
{
foreach (TrailPoint trailPoint in new List <TrailPoint>(trail.pointsList))
{
if (trailPoint.Update() == false)
{
trail.pointsList.Remove(trailPoint);
}
}
List <Vector2D> points = new List <Vector2D>();
foreach (TrailPoint trailPoint in trail.pointsList)
{
points.Add(trailPoint.position);
}
Slicer2D.complexSliceType = Slicer2D.SliceType.Regular;
Slice2D slice = slicer.ComplexSlice(points);
if (slice.GetGameObjects().Count > 0)
{
trailList.Remove(slicer);
result.Add(slice);
}
;
}
trail.lastPosition = position;
}
return(result);
}
// Polygon Slice - TODO: Return No Polygon if it's eaten by polygon slice
static public Slice2D PolygonSlice(Polygon2D polygon, Polygon2D slicePolygon)
{
List <Polygon2D> holes = polygon.holesList;
polygon = new Polygon2D(new List <Vector2D>(polygon.pointsList));
polygon.holesList = holes;
slicePolygon = new Polygon2D(new List <Vector2D>(slicePolygon.pointsList));
Slice2D result = Slice2D.Create(null, polygon);
Slicer2D.SliceType tempSliceType = Slicer2D.complexSliceType;
Slicer2D.complexSliceType = Slicer2D.SliceType.SliceHole;
slicePolygon.Normalize();
polygon.Normalize();
// Eat a polygon completely
// Complex Slicer does not register slice in this case
if (slicePolygon.PolyInPoly(polygon) == true)
{
result.AddPolygon(polygon);
return(result);
}
// Cut a hole inside (how does this work if it collides with other hole?)
if (polygon.PolyInPoly(slicePolygon) == true)
{
polygon.AddHole(slicePolygon);
result.AddPolygon(polygon);
Math2D.Distance distance = Math2D.Distance.PolygonToPolygon(polygon, slicePolygon);
if (distance != null && distance.value < precision)
{
return(SlicePolygonFromEdge(polygon, slicePolygon));
}
return(result);
}
// Act as Regular Slice
Vector2D startPoint = null;
foreach (Vector2D id in slicePolygon.pointsList)
{
if (polygon.PointInPoly(id) == false)
{
startPoint = id;
break;
}
}
if (startPoint == null)
{
if (Math2D.PolyIntersectPoly(polygon, slicePolygon))
{
return(SlicePolygonFromEdge(polygon, slicePolygon));
}
if (Slicer2D.Debug.enabled)
{
Debug.LogWarning("Starting Point Error In PolygonSlice");
}
return(result);
}
slicePolygon.pointsList = Vector2DList.GetListStartingPoint(slicePolygon.pointsList, startPoint);
/*
* List<Vector2D> s = new List<Vector2D> ();
* foreach (Pair2D pair in Pair2D.GetList(polygonSlice.pointsList, false)) {
* List<Vector2D> stackList = polygon.GetListSliceIntersectPoly(pair);
* stackList = Vector2DList.GetListSortedToPoint (stackList, pair.A);
* Vector2D old = pair.A;
* s.Add (old);
*
* foreach (Vector2D id in stackList) {
* s.Add (new Vector2D((old.GetX() + id.GetX()) / 2, (old.GetY() + id.GetY()) / 2));
* old = id;
* }
* }
*
* polygonSlice.pointsList = s;
*/
slicePolygon.AddPoint(startPoint);
// Not Necessary
if (polygon.SliceIntersectPoly(slicePolygon.pointsList) == false)
{
return(result);
}
// Slice More Times?
result = ComplexSlicer.Slice(polygon, new List <Vector2D> (slicePolygon.pointsList));
if (result.GetPolygons().Count < 1)
{
if (Slicer2D.Debug.enabled)
{
Debug.LogWarning("Slicer2D: Returns Empty Polygon Slice");
}
}
Slicer2D.complexSliceType = tempSliceType;
return(result);
}
// Create Polygon Inside? Extended Method?
public static Slice2D SlicePolygonInside(Polygon2D polygon, List <Vector2D> slice)
{
Slice2D result = Slice2D.Create(null, slice);
if (Slicer2D.complexSliceType != Slicer2D.SliceType.SliceHole)
{
return(result);
}
List <List <Vector2D> > checkSlices = new List <List <Vector2D> >();
List <Vector2D> curSlice = null;
foreach (Vector2D p in slice)
{
if (polygon.PointInPoly(p))
{
if (curSlice == null)
{
curSlice = new List <Vector2D>();
checkSlices.Add(curSlice);
}
curSlice.Add(p);
}
else
{
curSlice = null;
}
}
//bool createPoly = false;
List <Polygon2D> newPolygons = new List <Polygon2D>();
Polygon2D newPoly = null;
foreach (List <Vector2D> checkSlice in checkSlices)
{
foreach (Pair2D pairA in Pair2D.GetList(checkSlice, false))
{
foreach (Pair2D pairB in Pair2D.GetList(checkSlice, false))
{
Vector2D intersection = Math2D.GetPointLineIntersectLine(pairA, pairB);
if (intersection != null && (pairA.A != pairB.A && pairA.B != pairB.B && pairA.A != pairB.B && pairA.B != pairB.A))
{
if (newPoly == null)
{
newPoly = new Polygon2D();
newPolygons.Add(newPoly);
newPoly.AddPoint(intersection);
}
else
{
//newPoly.AddPoint (intersection);
newPoly = null;
}
}
}
if (newPoly != null)
{
newPoly.AddPoint(pairA.B);
}
}
}
foreach (Polygon2D poly in new List <Polygon2D>(newPolygons))
{
if (poly.pointsList.Count < 3)
{
newPolygons.Remove(poly);
continue;
}
}
if (newPolygons.Count > 0)
{
result.AddPolygon(polygon);
foreach (Polygon2D poly in newPolygons)
{
List <Polygon2D> polys = new List <Polygon2D> (polygon.holesList);
foreach (Polygon2D hole in polys)
{
if (poly.PolyInPoly(hole) == true)
{
polygon.holesList.Remove(hole);
poly.AddHole(hole);
}
}
polygon.AddHole(poly);
}
return(result);
}
return(result);
}
static public Slice2D SlicePolygonFromEdge(Polygon2D polygon, Polygon2D slicePolygon)
{
Slice2D result = Slice2D.Create(null, polygon);
Vector2D startA = null;
Vector2D startB = null;
Pair2D pairA = Pair2D.Zero();
pairA.A = polygon.pointsList.Last();
for (int i = 0; i < polygon.pointsList.Count; i++)
{
pairA.B = polygon.pointsList[i];
Pair2D pairB = Pair2D.Zero();
pairB.A = slicePolygon.pointsList.Last();
float minDistance = float.PositiveInfinity; // inf
for (int x = 0; x < slicePolygon.pointsList.Count; x++)
{
pairB.B = slicePolygon.pointsList[x];
double dist = Math2D.Distance.PointToLine(pairB.A, pairA);
if (dist < precision) // precision
{
float distance = (float)Vector2D.Distance(pairA.A, pairB.A);
if (distance < minDistance)
{
minDistance = distance;
startA = pairA.B;
startB = pairB.B;
}
}
pairB.A = pairB.B;
}
pairA.A = pairA.B;
}
if (startB == null || startB == null)
{
Debug.LogWarning("Slicer2D: PolygonSlice From Edge Error");
return(result);
}
polygon.pointsList = Vector2DList.GetListStartingPoint(polygon.pointsList, startA);
slicePolygon.pointsList = Vector2DList.GetListStartingPoint(slicePolygon.pointsList, startB);
slicePolygon.pointsList.Reverse();
Polygon2D poly = new Polygon2D();
foreach (Vector2D vec in polygon.pointsList)
{
poly.AddPoint(vec);
}
foreach (Vector2D vec in slicePolygon.pointsList)
{
poly.AddPoint(vec);
}
result.AddPolygon(poly);
return(result);
}
static private Slice2D MultipleSlice(Polygon2D polygon, List <Vector2D> slice)
{
Slice2D result = Slice2D.Create(null, slice);
List <ComplexSlicerSplit> slices = ComplexSlicerSplit.GetSplitSlices(polygon, slice);
if (slices.Count < 1)
{
return(result);
}
// Adjusting split lines before performing convex split
result.AddPolygon(polygon);
foreach (ComplexSlicerSplit id in slices)
{
if (id.points.Count > 1)
{
foreach (Vector2D p in id.points)
{
result.AddCollision(p);
}
// Sclice line points generated from intersections list
Vector2D vec0 = id.points.First();
vec0.Push(Vector2D.Atan2(vec0, id.points[1]), precision);
Vector2D vec1 = id.points.Last();
vec1.Push(Vector2D.Atan2(vec1, id.points[id.points.Count - 2]), precision);
// For each in polygons list attempt convex split
List <Polygon2D> resultPolygons = new List <Polygon2D>(result.GetPolygons()); // necessary?
foreach (Polygon2D poly in resultPolygons)
{
Slice2D resultList = SingleSlice(poly, id);
if (resultList.GetPolygons().Count > 0)
{
if (resultList.slices.Count > 0)
{
foreach (List <Vector2D> resultSlice in resultList.slices)
{
result.AddSlice(resultSlice);
}
}
foreach (Polygon2D resultPoly in resultList.GetPolygons())
{
result.AddPolygon(resultPoly);
}
// If it's possible to perform convex split, remove parent polygon from result list
result.RemovePolygon(poly);
}
}
}
}
//Debug.Log("1 " + slices[0].Count + " " + slices[0][0].ToVector2() + " " + slices[0][1].ToVector2());
//Debug.Log("2 " + slices[1].Count + " " + slices[1][0].ToVector2() + " " + slices[1][1].ToVector2());
// if exist then remove slice was not performed
result.RemovePolygon(polygon);
return(result);
}
static public Slice2D Slice(Polygon2D polygon, List <Vector2D> slice, ComplexCollision collisionSlice)
{
Slice2D result = Slice2D.Create(null, slice);
if (Slicer2D.complexSliceType == Slicer2D.SliceType.Regular)
{
return(result);
}
Polygon2D polyA = new Polygon2D();
Polygon2D polyB = new Polygon2D(polygon.pointsList);
Polygon2D holeA = polygon.PointInHole(slice.First());
Polygon2D holeB = polygon.PointInHole(slice.Last());
if (holeA == null || holeB == null)
{
// Shouldn't really happen no more
if (Slicer2D.Debug.enabled)
{
Debug.LogWarning("Slicer: ERROR Split");
}
return(result);
}
List <Vector2D> slices = new List <Vector2D>(collisionSlice.GetPointsInsidePlus());
List <Vector2D> pointsA = Vector2DList.GetListStartingIntersectSlice(holeA.pointsList, slice);
List <Vector2D> pointsB = Vector2DList.GetListStartingIntersectSlice(holeB.pointsList, slice);
polyA.AddPoints(pointsA);
if (collisionSlice.GetPointsInside().Count > 0)
{
if (Vector2D.Distance(pointsA.Last(), collisionSlice.Last()) < Vector2D.Distance(pointsA.Last(), collisionSlice.First()))
{
collisionSlice.Reverse();
}
polyA.AddPoints(collisionSlice.GetPointsInside());
}
polyA.AddPoints(pointsB);
if (collisionSlice.GetPointsInside().Count > 0)
{
collisionSlice.Reverse();
polyA.AddPoints(collisionSlice.GetPointsInside());
}
foreach (Polygon2D poly in polygon.holesList)
{
if (poly != holeA && poly != holeB)
{
polyB.AddHole(poly);
}
}
polyB.AddHole(polyA);
result.AddPolygon(polyB);
result.AddSlice(slices);
return(result);
}