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.SharedBody(), 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 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.SharedBody(), vec[i], vec[(i + 1) % 4],
border);
_info.Add(shape);
}
_offset = offset;
_mass = CCPhysicsBody.MASS_DEFAULT;
_moment = CCPhysicsBody.MOMENT_DEFAULT;
SetMaterial(material);
}
//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.SharedBody(), 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 CCPhysicsShapeCircle(CCPhysicsMaterial material, float radius, CCPoint offset)
{
_type = PhysicsType.CIRCLE;
cpShape shape = new cpCircleShape(CCPhysicsShapeInfo.SharedBody(), 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.SharedBody(), 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.SharedBody(),
PhysicsHelper.CCPointToCpVect(a),
PhysicsHelper.CCPointToCpVect(b),
border);
_type = PhysicsType.EDGESEGMENT;
_info.Add(shape);
_mass = cp.Infinity;
_moment = cp.Infinity;
SetMaterial(material);
}