/**
* @brief Create the internal shape used to represent a PolygonCollider.
**/
public override Spax.Physics2D.Shape[] CreateShapes()
{
if (_points == null || _points.Length == 0)
{
return(null);
}
FPVector2 lossy2D = new FPVector2(lossyScale.x, lossyScale.y);
Spax.Physics2D.Vertices v = new Physics2D.Vertices();
for (int index = 0, length = _points.Length; index < length; index++)
{
v.Add(FPVector2.Scale(_points[index], lossy2D));
}
List <Spax.Physics2D.Vertices> convexShapeVs = Spax.Physics2D.BayazitDecomposer.ConvexPartition(v);
Spax.Physics2D.Shape[] result = new Physics2D.Shape[convexShapeVs.Count];
for (int index = 0, length = result.Length; index < length; index++)
{
result[index] = new Spax.Physics2D.PolygonShape(convexShapeVs[index], 1);
}
return(result);
}
private void CreateBodyFixture(Physics2D.Body body, Physics2D.Shape shape)
{
Physics2D.Fixture fixture = body.CreateFixture(shape);
if (FPMaterial != null)
{
fixture.Friction = FPMaterial.friction;
fixture.Restitution = FPMaterial.restitution;
}
}
private void CreateBody(Physics2D.World world)
{
Physics2D.Body body = Physics2D.BodyFactory.CreateBody(world);
if (FPMaterial == null)
{
FPMaterial = GetComponent <FPMaterial>();
}
Physics2D.Shape shape = Shape;
if (shape != null)
{
CreateBodyFixture(body, shape);
}
else
{
Physics2D.Shape[] shapes = CreateShapes();
for (int index = 0, length = shapes.Length; index < length; index++)
{
CreateBodyFixture(body, shapes[index]);
}
}
if (FPRigidBody == null)
{
body.BodyType = Physics2D.BodyType.Static;
}
else
{
if (FPRigidBody.isKinematic)
{
body.BodyType = Spax.Physics2D.BodyType.Kinematic;
}
else
{
body.BodyType = Physics2D.BodyType.Dynamic;
body.IgnoreGravity = !FPRigidBody.useGravity;
}
if (FPRigidBody.mass <= 0)
{
FPRigidBody.mass = 1;
}
body.FixedRotation = FPRigidBody.freezeZAxis;
body.Mass = FPRigidBody.mass;
body.FPLinearDrag = FPRigidBody.drag;
body.FPAngularDrag = FPRigidBody.angularDrag;
}
body.IsSensor = isTrigger;
body.CollidesWith = Physics2D.Category.All;
_body = body;
}
private static object OverlapGeneric(Physics2D.Shape shape, FPVector2 position, Physics2D.BodySpecialSensor sensorType, int layerMask)
{
Physics2D.World world = (Physics2D.World)Physics2DWorldManager.instance.GetWorld();
Physics2D.Body body = Physics2D.BodyFactory.CreateBody(world);
body.CreateFixture(shape);
body.BodyType = Physics2D.BodyType.Static;
body.IsSensor = true;
body.CollidesWith = Physics2D.Category.All;
body.SpecialSensor = sensorType;
body.SpecialSensorMask = layerMask;
body.Position = position;
world.RemoveBody(body);
world.ProcessRemovedBodies();
if (body._specialSensorResults.Count > 0)
{
if (sensorType == Physics2D.BodySpecialSensor.ActiveOnce)
{
return(Physics2DWorldManager.instance.GetGameObject(body._specialSensorResults[0]).GetComponent <FPCollider2D>());
}
else
{
FPCollider2D[] result = new FPCollider2D[body._specialSensorResults.Count];
for (int i = 0; i < body._specialSensorResults.Count; i++)
{
result[i] = Physics2DWorldManager.instance.GetGameObject(body._specialSensorResults[i]).GetComponent <FPCollider2D>();
}
return(result);
}
}
return(null);
}
