public static Actor CreateCogHolder(PhysicsEngine engine, out Actor holderActor)
{
Actor actor;
actor = CreateCog(engine.Scene);
actor.GlobalPose = Matrix.CreateRotationX(MathHelper.PiOver2);
CapsuleShapeDescription capsuleShapeDesc = new CapsuleShapeDescription(1f, 3f);
var actorDesc = new ActorDescription(capsuleShapeDesc);
var bodyDesc = new BodyDescription(10000);
bodyDesc.BodyFlags |= BodyFlag.Kinematic;
actorDesc.GlobalPose = Matrix.CreateTranslation(Vector3.Up + new Vector3(0, 0, 0));
actorDesc.BodyDescription = bodyDesc;
holderActor = engine.Scene.CreateActor(actorDesc);
CylindricalJointDescription jointDesc = new CylindricalJointDescription();
jointDesc.Actor1 = actor;
jointDesc.Actor2 = holderActor;
jointDesc.SetGlobalAnchor(new Vector3(0, 0, 0));
jointDesc.SetGlobalAxis(Vector3.Up);
var joint = engine.Scene.CreateJoint(jointDesc);
joint.AddLimitPlane(new LimitPlane(new Plane(Vector3.Up, 0.0f), 0));
joint.AddLimitPlane(new LimitPlane(new Plane(Vector3.Down, 0f), 0));
return(actor);
}
public void TestTwoCogs()
{
XNAGame game = new XNAGame();
game.SpectaterCamera.CameraPosition = new Vector3(0, 0, -40);
game.SpectaterCamera.FarClip = 10000;
PhysicsEngine engine = new PhysicsEngine();
TriangleMesh triangleMesh = null;
//game.AddXNAObject(engine);
Actor actor = null;
Actor holderActor = null;
Actor holderActor2 = null;
game.InitializeEvent += delegate
{
engine.Initialize();
PhysicsDebugRendererXNA debugRenderer = new PhysicsDebugRendererXNA(game, engine.Scene);
game.AddXNAObject(debugRenderer);
actor = CogEngine.CreateCogHolder(engine, out holderActor);
Joint joint;
CylindricalJointDescription jointDesc;
ActorDescription actorDesc;
BodyDescription bodyDesc;
CapsuleShapeDescription capsuleShapeDesc;
Actor mobileCog = CogEngine.CreateCog(engine.Scene);
mobileCog.GlobalPose = Matrix.CreateRotationX(MathHelper.PiOver2);
capsuleShapeDesc = new CapsuleShapeDescription(4.7f, 3f);
actorDesc = new ActorDescription(capsuleShapeDesc);
bodyDesc = new BodyDescription(10000);
bodyDesc.BodyFlags |= BodyFlag.Kinematic;
actorDesc.GlobalPose = Matrix.CreateTranslation(Vector3.Up + new Vector3(0, 0, 0));
actorDesc.BodyDescription = bodyDesc;
holderActor2 = engine.Scene.CreateActor(actorDesc);
jointDesc = new CylindricalJointDescription();
jointDesc.Actor1 = mobileCog;
jointDesc.Actor2 = holderActor2;
jointDesc.SetGlobalAnchor(new Vector3(0, 0, 0));
jointDesc.SetGlobalAxis(Vector3.Up);
joint = engine.Scene.CreateJoint(jointDesc);
joint.AddLimitPlane(new LimitPlane(new Plane(Vector3.Up, 1), 0));
};
game.UpdateEvent += delegate
{
if (game.Keyboard.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.F))
{
var bol = PhysicsHelper.CreateDynamicSphereActor(engine.Scene, 1, 1);
bol.GlobalPosition = game.SpectaterCamera.CameraPosition +
game.SpectaterCamera.CameraDirection * 5;
bol.LinearVelocity = game.SpectaterCamera.CameraDirection * 5;
}
Plane p = new Plane(Vector3.Up, 0);
var ray = game.GetWereldViewRay(new Vector2(game.Window.ClientBounds.Width * 0.5f,
game.Window.ClientBounds.Height * 0.5f));
float?dist = ray.Intersects(p);
if (dist.HasValue && game.Keyboard.IsKeyDown(Keys.C))
{
//mobileCog.GlobalPosition = ray.Position + ray.Direction * dist.Value + Vector3.Up;
holderActor2.MoveGlobalPositionTo(ray.Position + ray.Direction * dist.Value + Vector3.Up);
}
if (game.Keyboard.IsKeyDown(Keys.R))
{
CogEngine.temp(game, actor);
/*mobileCog.Dispose();
* mobileCog = CreateCog(triangleMesh, engine.Scene);*/
}
engine.Update(game.Elapsed);
};
game.Run();
engine.Dispose();
}