protected override void CopyTo(JointInfo target)
{
base.CopyTo(target);
FixedMouseJointInfo c = target as FixedMouseJointInfo;
c.worldAnchor = this.worldAnchor;
c.localAnchor = this.localAnchor;
c.dampingRatio = this.dampingRatio;
c.frequency = this.frequency;
c.maxForce = this.maxForce;
}
private void DrawJoint(Canvas canvas, FixedMouseJointInfo joint)
{
this.DrawWorldPosConstraint(canvas, joint.BodyA, joint.LocalAnchor, joint.WorldAnchor);
this.DrawWorldAnchor(canvas, joint.BodyA, joint.WorldAnchor);
this.DrawLocalAnchor(canvas, joint.BodyA, joint.LocalAnchor);
}
void ICmpUpdatable.OnUpdate()
{
Camera cam = this.GameObj.Camera;
// Mouse pressed? Drag stuff
if (DualityApp.Mouse[MouseButton.Left])
{
Vector2 cursorScreen = new Vector2(DualityApp.Mouse.X, DualityApp.Mouse.Y);
Vector2 cursorWorld = cam.GetSpaceCoord(cursorScreen).Xy;
// Create mouse joint
if (this.mouseJoint == null)
{
ShapeInfo shape = RigidBody.PickShapeGlobal(cursorWorld);
RigidBody body = shape != null ? shape.Parent : null;
if (body != null && body.BodyType == BodyType.Dynamic)
{
this.mouseJoint = new FixedMouseJointInfo();
this.mouseJoint.MaxForce = 20.0f; // More power
this.mouseJoint.LocalAnchor = body.GameObj.Transform.GetLocalPoint(cursorWorld);
body.AddJoint(this.mouseJoint);
}
}
// Update mouse joint
if (this.mouseJoint != null)
{
this.mouseJoint.WorldAnchor = cursorWorld;
}
}
// Mouse not pressed? Release stuff
else
{
if (this.mouseJoint != null)
{
this.mouseJoint.BodyA.RemoveJoint(this.mouseJoint);
this.mouseJoint = null;
}
}
// Update stats
// When using a fixed physics timestep, physics isn't updated every frame at high FPS, so
// we'll just average the physics time value over several frames and display that value. Thats easier to read anyway.
this.physicsTimeAcc += Performance.UpdatePhysicsTime;
this.physicsTimeCounter++;
if (this.physicsTimeCounter >= 25)
{
this.physicsTimeVal = this.physicsTimeAcc / this.physicsTimeCounter;
this.physicsTimeCounter = 0;
this.physicsTimeAcc = 0.0f;
}
// Update stats text
this.UpdateStatsText();
}