public JointLimitTestDemo(DemosGame game) : base(game) { float bounciness = 1; float baseMass = 100; float armMass = 10; //DistanceLimit Box boxA = new Box(new Vector3(-21, 4, 0), 3, 3, 3, baseMass); Box boxB = new Box(boxA.Position + new Vector3(0, 5, 0), 1, 4, 1, armMass); CollisionRules.AddRule(boxA, boxB, CollisionRule.NoBroadPhase); boxB.ActivityInformation.IsAlwaysActive = true; var distanceLimit = new DistanceLimit(boxA, boxB, boxA.Position, boxB.Position - new Vector3(0, 2, 0), 1, 6); distanceLimit.Bounciness = bounciness; Space.Add(boxA); Space.Add(boxB); Space.Add(distanceLimit); //EllipseSwingLimit boxA = new Box(new Vector3(-14, 4, 0), 3, 3, 3, baseMass); boxB = new Box(boxA.Position + new Vector3(0, 5, 0), 1, 4, 1, armMass); CollisionRules.AddRule(boxA, boxB, CollisionRule.NoBroadPhase); boxB.ActivityInformation.IsAlwaysActive = true; var ballSocketJoint = new BallSocketJoint(boxA, boxB, boxB.Position + new Vector3(0, -2, 0)); var ellipseSwingLimit = new EllipseSwingLimit(boxA, boxB, Vector3.Up, MathHelper.Pi / 1.5f, MathHelper.Pi / 3); ellipseSwingLimit.Bounciness = bounciness; Space.Add(boxA); Space.Add(boxB); Space.Add(ballSocketJoint); Space.Add(ellipseSwingLimit); //LinearAxisLimit boxA = new Box(new Vector3(-7, 4, 0), 3, 3, 3, baseMass); boxB = new Box(boxA.Position + new Vector3(0, 5, 0), 1, 4, 1, armMass); CollisionRules.AddRule(boxA, boxB, CollisionRule.NoBroadPhase); boxB.ActivityInformation.IsAlwaysActive = true; var pointOnLineJoint = new PointOnLineJoint(boxA, boxB, boxA.Position, Vector3.Up, boxB.Position + new Vector3(0, -2, 0)); var linearAxisLimit = new LinearAxisLimit(boxA, boxB, boxA.Position, boxB.Position + new Vector3(0, -2, 0), Vector3.Up, 0, 4); linearAxisLimit.Bounciness = bounciness; Space.Add(boxA); Space.Add(boxB); Space.Add(pointOnLineJoint); Space.Add(linearAxisLimit); //RevoluteLimit boxA = new Box(new Vector3(0, 4, 0), 3, 3, 3, baseMass); boxB = new Box(boxA.Position + new Vector3(0, 5, 0), 1, 4, 1, armMass); CollisionRules.AddRule(boxA, boxB, CollisionRule.NoBroadPhase); boxB.ActivityInformation.IsAlwaysActive = true; ballSocketJoint = new BallSocketJoint(boxA, boxB, boxB.Position + new Vector3(0, -2, 0)); var revoluteAngularJoint = new RevoluteAngularJoint(boxA, boxB, Vector3.Forward); var revoluteLimit = new RevoluteLimit(boxA, boxB, Vector3.Forward, Vector3.Up, -MathHelper.PiOver4, MathHelper.PiOver4); revoluteLimit.Bounciness = bounciness; Space.Add(boxA); Space.Add(boxB); Space.Add(ballSocketJoint); Space.Add(revoluteAngularJoint); Space.Add(revoluteLimit); //SwingLimit boxA = new Box(new Vector3(7, 4, 0), 3, 3, 3, baseMass); boxB = new Box(boxA.Position + new Vector3(0, 5, 0), 1, 4, 1, armMass); CollisionRules.AddRule(boxA, boxB, CollisionRule.NoBroadPhase); boxB.ActivityInformation.IsAlwaysActive = true; ballSocketJoint = new BallSocketJoint(boxA, boxB, boxB.Position + new Vector3(0, -2, 0)); var swingLimit = new SwingLimit(boxA, boxB, Vector3.Up, Vector3.Up, MathHelper.PiOver4); swingLimit.Bounciness = bounciness; Space.Add(boxA); Space.Add(boxB); Space.Add(ballSocketJoint); Space.Add(swingLimit); //TwistLimit boxA = new Box(new Vector3(14, 4, 0), 3, 3, 3, baseMass); boxB = new Box(boxA.Position + new Vector3(0, 5, 0), 1, 4, 1, armMass); CollisionRules.AddRule(boxA, boxB, CollisionRule.NoBroadPhase); boxB.ActivityInformation.IsAlwaysActive = true; ballSocketJoint = new BallSocketJoint(boxA, boxB, boxB.Position + new Vector3(0, -2, 0)); revoluteAngularJoint = new RevoluteAngularJoint(boxA, boxB, Vector3.Up); var twistLimit = new TwistLimit(boxA, boxB, Vector3.Up, Vector3.Up, -MathHelper.PiOver4, MathHelper.PiOver4); twistLimit.Bounciness = bounciness; Space.Add(boxA); Space.Add(boxB); Space.Add(ballSocketJoint); Space.Add(revoluteAngularJoint); Space.Add(twistLimit); Space.Add(new Box(new Vector3(0, 0, 0), 60, 1, 60)); game.Camera.Position = new Vector3(0, 6, 15); }
public override SolverUpdateable GetBaseJoint() { DistanceLimit dl = new DistanceLimit(Ent1.Body, Ent2.Body, (Ent1Pos + Ent1.GetPosition()).ToBVector(), (Ent2Pos + Ent2.GetPosition()).ToBVector(), Min, Max); return dl; }
private void CreateRope() { Entity.AngularMomentum = Vector3.Zero; Entity.LinearMomentum = Vector3.Zero; mRopeLimit = new DistanceLimit(mOwner.Entity, Entity, mOwner.Entity.Position, Entity.Position, 0.0f, (Entity.Position - mOwner.Entity.Position).Length()); //mRopeLimit.Bounciness = 0.8f; World.Space.Add(mRopeLimit); }