public void DrawShape(cpShape shape)
{
cpBody body = shape.body;
cpColor color = cp.GetShapeColor(shape); // ColorForBody(body);
switch (shape.shapeType)
{
case cpShapeType.Circle: {
cpCircleShape circle = (cpCircleShape)shape;
if (Flags.HasFlag(PhysicsDrawFlags.BB) || Flags.HasFlag(PhysicsDrawFlags.All))
{
drawDelegate.Draw(circle.bb);
}
if (Flags.HasFlag(PhysicsDrawFlags.Shapes) || Flags.HasFlag(PhysicsDrawFlags.All))
{
drawDelegate.Draw(circle, color);
}
}
break;
case cpShapeType.Segment: {
cpSegmentShape seg = (cpSegmentShape)shape;
if (Flags.HasFlag(PhysicsDrawFlags.BB) || Flags.HasFlag(PhysicsDrawFlags.All))
{
drawDelegate.Draw(seg.bb);
}
if (Flags.HasFlag(PhysicsDrawFlags.Shapes) || Flags.HasFlag(PhysicsDrawFlags.All))
{
drawDelegate.Draw(seg, color);
}
}
break;
case cpShapeType.Polygon: {
cpPolyShape poly = (cpPolyShape)shape;
if (Flags.HasFlag(PhysicsDrawFlags.BB) || Flags.HasFlag(PhysicsDrawFlags.All))
{
drawDelegate.Draw(poly.bb);
}
if (Flags.HasFlag(PhysicsDrawFlags.Shapes) || Flags.HasFlag(PhysicsDrawFlags.All))
{
drawDelegate.Draw(poly, color);
}
}
break;
default:
cp.AssertHard(false, "Bad assertion in DrawShape()");
break;
}
}
public static SupportPoint SegmentSupportPoint(cpSegmentShape seg, cpVect n)
{
if (cpVect.cpvdot(seg.ta, n) > cpVect.cpvdot(seg.tb, n))
{
return(new SupportPoint(seg.ta, 0));
}
else
{
return(new SupportPoint(seg.tb, 1));
}
}
public static Edge SupportEdgeForSegment(cpSegmentShape seg, cpVect n)
{
ulong hashid = seg.hashid;
Edge edge;
if (cpVect.cpvdot(seg.tn, n) > 0.0f)
{
edge = new Edge(
new EdgePoint(seg.ta, cp.CP_HASH_PAIR(seg.hashid, 0)),
new EdgePoint(seg.tb, cp.CP_HASH_PAIR(seg.hashid, 1)),
seg.r, seg.tn);
}
else
{
edge = new Edge(
new EdgePoint(seg.tb, cp.CP_HASH_PAIR(seg.hashid, 1)),
new EdgePoint(seg.ta, cp.CP_HASH_PAIR(seg.hashid, 0)),
seg.r, cpVect.cpvneg(seg.tn)
);
}
return(edge);
}
private void Draw(cpSegmentShape seg, cpColor color)
{
DrawFatSegment(seg.ta, seg.tb, seg.r, color);
}
private void Draw(cpSegmentShape seg, cpColor color)
{
DrawFatSegment(seg.ta, seg.tb, seg.r, color);
}
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;
Material = 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;
Material = 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;
Material = material;
}
public CCPhysicsShapeEdgeChain(cpVect[] vec, int count, CCPhysicsMaterial material, float border = 1)
{
_type = PhysicsType.EDGECHAIN;
int i = 0;
for (; i < count; ++i)
{
cpShape shape = new cpSegmentShape(CCPhysicsShapeInfo.getSharedBody(), vec[i], vec[i + 1],
border);
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, float border /* = 1 */, cpVect offset)
{
_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 CCPhysicsShapeEdgeSegment(cpVect a, cpVect b, CCPhysicsMaterial material, float border = 1)
{
cpShape shape = new cpSegmentShape(CCPhysicsShapeInfo.getSharedBody(),
a,
b,
border);
_type = PhysicsType.EDGESEGMENT;
_info.add(shape);
_mass = cp.Infinity;
_moment = cp.Infinity;
SetMaterial(material);
}
