public CCPhysicsShapeEdgeBox(CCSize size, CCPhysicsMaterial material, CCPoint offset, float border = 1)
{
_type = PhysicsType.EDGEBOX;
List <cpVect> vec = new List <cpVect>()
{
new cpVect(-size.Width / 2 + offset.X, -size.Height / 2 + offset.Y),
new cpVect(+size.Width / 2 + offset.X, -size.Height / 2 + offset.Y),
new cpVect(+size.Width / 2 + offset.X, +size.Height / 2 + offset.Y),
new cpVect(-size.Width / 2 + offset.X, +size.Height / 2 + offset.Y)
};
int i = 0;
for (; i < 4; ++i)
{
cpShape shape = new cpSegmentShape(CCPhysicsShapeInfo.getSharedBody(), vec[i], vec[(i + 1) % 4],
border);
_info.add(shape);
}
_offset = offset;
_mass = CCPhysicsBody.MASS_DEFAULT;
_moment = CCPhysicsBody.MOMENT_DEFAULT;
SetMaterial(material);
}
public CCPhysicsShapeEdgePolygon(CCPoint[] vec, int count, CCPhysicsMaterial material, float border = 1)
{
_type = PhysicsType.EDGEPOLYGEN;
int i = 0;
var vecs = PhysicsHelper.CCPointsTocpVects(vec);
for (; i < count; ++i)
{
cpShape shape = new cpSegmentShape(CCPhysicsShapeInfo.getSharedBody(), vecs[i], vecs[(i + 1) % count],
border);
if (shape == null)
{
break;
}
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
_info.add(shape);
}
_mass = cp.Infinity;
_moment = cp.Infinity;
SetMaterial(material);
}
public void AddShape(CCPhysicsShapeInfo shape)
{
foreach (var item in shape.GetShapes())
{
_space.AddShape(item);
}
}
//protected cpVect _offset;
#endregion
#region PUBLIC METHODS
public CCPhysicsShapeBox(CCSize size, CCPhysicsMaterial material, float radius)
{
cpVect wh = PhysicsHelper.size2cpv(size);
_type = PhysicsType.BOX;
cpVect[] vec =
{
new cpVect(-wh.x / 2.0f, -wh.y / 2.0f),
new cpVect(-wh.x / 2.0f, wh.y / 2.0f),
new cpVect(wh.x / 2.0f, wh.y / 2.0f),
new cpVect(wh.x / 2.0f, -wh.y / 2.0f)
};
cpShape shape = new cpPolyShape(CCPhysicsShapeInfo.getSharedBody(), 4, vec, radius);
_info.add(shape);
//_offset = offset;
_area = CalculateArea();
_mass = material.density == cp.Infinity ? cp.Infinity : material.density * _area;
_moment = CalculateDefaultMoment();
SetMaterial(material);
}
public void removeShape(CCPhysicsShapeInfo shapeInf)
{
foreach (var shape in shapeInf.getShapes())
{
if (_space.ContainsShape(shape))
_space.RemoveShape(shape);
}
}
public void addShape(CCPhysicsShapeInfo shape)
{
foreach (var item in shape.getShapes())
{
_space.AddShape(item);
}
}
public void RemoveShape(CCPhysicsShapeInfo shapeInf)
{
foreach (var shape in shapeInf.GetShapes())
{
if (_space.ContainsShape(shape))
{
_space.RemoveShape(shape);
}
}
}
public CCPhysicsShapeCircle(CCPhysicsMaterial material, float radius, CCPoint offset)
{
_type = PhysicsType.CIRCLE;
cpShape shape = new cpCircleShape(CCPhysicsShapeInfo.getSharedBody(), radius, PhysicsHelper.CCPointToCpVect(offset));
_info.add(shape);
_area = CalculateArea();
_mass = material.density == cp.Infinity ? cp.Infinity : material.density * _area;
_moment = CalculateDefaultMoment();
SetMaterial(material);
}
public void Init(CCPoint[] vecs, int count, CCPhysicsMaterial material, float radius)
{
_type = PhysicsType.POLYGEN;
cpShape shape = new cpPolyShape(CCPhysicsShapeInfo.getSharedBody(), count, PhysicsHelper.CCPointsTocpVects(vecs), radius);
_info.add(shape);
_area = CalculateArea();
_mass = material.density == cp.Infinity ? cp.Infinity : material.density * _area;
_moment = CalculateDefaultMoment();
SetMaterial(material);
}
public CCPhysicsShapeEdgeSegment(CCPoint a, CCPoint b, CCPhysicsMaterial material, float border = 1)
{
cpShape shape = new cpSegmentShape(CCPhysicsShapeInfo.getSharedBody(),
PhysicsHelper.CCPointToCpVect(a),
PhysicsHelper.CCPointToCpVect(b),
border);
_type = PhysicsType.EDGESEGMENT;
_info.add(shape);
_mass = cp.Infinity;
_moment = cp.Infinity;
SetMaterial(material);
}
public static bool CollisionBeginCallbackFunc(cpArbiter arb, cpSpace space, CCPhysicsWorld world)
{
cpShape a, b;
arb.GetShapes(out a, out b);
CCPhysicsShapeInfo ita = null, itb = null;
cp.AssertWarn(CCPhysicsShapeInfo.Map.TryGetValue(a, out ita) && CCPhysicsShapeInfo.Map.TryGetValue(b, out itb));
if (a != null || b != null)
{
return(false);
}
CCPhysicsContact contact = new CCPhysicsContact(ita.getShape(), itb.getShape());
arb.data = contact;
contact._contactInfo = arb;
return(world.CollisionBeginCallback(contact));
}
public CCPhysicsShapeEdgeChain(CCPoint[] vec, int count, CCPhysicsMaterial material, float border = 1)
{
_type = PhysicsType.EDGECHAIN;
var vecs = PhysicsHelper.CCPointsTocpVects(vec);
int i = 0;
for (; i < count; ++i)
{
cpShape shape = new cpSegmentShape(CCPhysicsShapeInfo.SharedBody(), vecs[i], vecs[i + 1],
border);
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
_info.Add(shape);
}
_mass = cp.Infinity;
_moment = cp.Infinity;
SetMaterial(material);
}
public CCPhysicsShape()
{
_body = null;
_info = null;
_type = PhysicsType.UNKNOWN;
_area = 0;
_mass = CCPhysicsBody.MASS_DEFAULT;
_moment = CCPhysicsBody.MOMENT_DEFAULT;
_tag = 0;
_categoryBitmask = int.MaxValue;
_collisionBitmask = int.MaxValue;
_contactTestBitmask = 0;
_group = 0;
_info = new CCPhysicsShapeInfo(this);
_scaleX = 1.0f;
_scaleY = 1.0f;
_newScaleX = 1.0f;
_newScaleY = 1.0f;
_dirty = false;
}
public CCPhysicsShape()
{
_body = null;
_info = null;
_type = PhysicsType.UNKNOWN;
_area = 0;
_mass = CCPhysicsBody.MASS_DEFAULT;
_moment = CCPhysicsBody.MOMENT_DEFAULT;
_tag = 0;
_categoryBitmask = int.MaxValue;
_collisionBitmask = int.MaxValue;
_contactTestBitmask = 0;
_group = 0;
_info = new CCPhysicsShapeInfo(this);
_scaleX = 1.0f;
_scaleY = 1.0f;
_newScaleX = 1.0f;
_newScaleY = 1.0f;
_dirty = false;
}
