void HandleTouchBegin3(TouchBeginEvent args)
{
var graphics = GetSubsystem <Graphics>();
PhysicsWorld2D physicsWorld = scene.GetComponent <PhysicsWorld2D>();
RigidBody2D rigidBody = physicsWorld.GetRigidBody(new Vector2(args.X, args.Y), uint.MaxValue); // Raycast for RigidBody2Ds to pick
if (rigidBody != null)
{
pickedNode = rigidBody.Node;
StaticSprite2D staticSprite = pickedNode.GetComponent <StaticSprite2D>();
staticSprite.Color = (new Color(1.0f, 0.0f, 0.0f, 1.0f)); // Temporary modify color of the picked sprite
rigidBody = pickedNode.GetComponent <RigidBody2D>();
// Create a ConstraintMouse2D - Temporary apply this constraint to the pickedNode to allow grasping and moving with touch
ConstraintMouse2D constraintMouse = pickedNode.CreateComponent <ConstraintMouse2D>();
Vector3 pos = camera.ScreenToWorldPoint(new Vector3((float)args.X / graphics.Width, (float)args.Y / graphics.Height, 0.0f));
constraintMouse.Target = new Vector2(pos.X, pos.Y);
constraintMouse.MaxForce = 1000 * rigidBody.Mass;
constraintMouse.CollideConnected = true;
constraintMouse.OtherBody = dummyBody; // Use dummy body instead of rigidBody. It's better to create a dummy body automatically in ConstraintMouse2D
constraintMouse.DampingRatio = 0;
}
SubscribeToEvent <TouchMoveEvent>(HandleTouchMove3);
SubscribeToEvent <TouchEndEvent>(HandleTouchEnd3);
}
void HandleTouchBegin3(TouchBeginEvent args)
{
var graphics = GetSubsystem<Graphics>();
PhysicsWorld2D physicsWorld = scene.GetComponent<PhysicsWorld2D>();
RigidBody2D rigidBody = physicsWorld.GetRigidBody(new Vector2(args.X, args.Y), uint.MaxValue); // Raycast for RigidBody2Ds to pick
if (rigidBody != null)
{
pickedNode = rigidBody.Node;
StaticSprite2D staticSprite = pickedNode.GetComponent<StaticSprite2D>();
staticSprite.Color = (new Color(1.0f, 0.0f, 0.0f, 1.0f)); // Temporary modify color of the picked sprite
rigidBody = pickedNode.GetComponent<RigidBody2D>();
// Create a ConstraintMouse2D - Temporary apply this constraint to the pickedNode to allow grasping and moving with touch
ConstraintMouse2D constraintMouse = pickedNode.CreateComponent<ConstraintMouse2D>();
Vector3 pos = camera.ScreenToWorldPoint(new Vector3((float)args.X / graphics.Width, (float)args.Y / graphics.Height, 0.0f));
constraintMouse.Target = new Vector2(pos.X, pos.Y);
constraintMouse.MaxForce = 1000 * rigidBody.Mass;
constraintMouse.CollideConnected = true;
constraintMouse.OtherBody = dummyBody; // Use dummy body instead of rigidBody. It's better to create a dummy body automatically in ConstraintMouse2D
constraintMouse.DampingRatio = 0;
}
SubscribeToEvent<TouchMoveEvent>(HandleTouchMove3);
SubscribeToEvent<TouchEndEvent>(HandleTouchEnd3);
}
