/// <summary>
/// This adds a new hinge joint to the <paramref name="anchor"/>
/// and connects it to the <paramref name="connectedBody"/> through the <paramref name="position"/>
/// </summary>
/// <param name="anchor"></param>
/// <param name="connectedBody"></param>
/// <param name="position"></param>
public void ConnectPart(BridgePart anchor, BridgePart connectedBody, Vector2 position)
{
AnchoredJoint2D joint;
this.anchor = anchor;
if (anchor is RopePart)
{
joint = SetupRope (anchor as RopePart, connectedBody, position);
}
else if (connectedBody is RopePart)
{
joint = SetupRope (connectedBody as RopePart, anchor, position);
}
else
{
joint = anchor.gameObject.AddComponent<HingeJoint2D>();
joint.connectedBody = connectedBody.rigid;
joint.anchor = Grid.ToGrid(anchor.transform.InverseTransformPoint(position));
joint.connectedAnchor = Grid.ToGrid(connectedBody.transform.InverseTransformPoint(position));
}
joint.enableCollision = false;
connections.Add(joint);
}
public static BridgePart Create(BridgePart part, Vector2 position)
{
BridgePart instance = Instantiate<BridgePart>(part);
instance.partOrigin = Grid.ToGrid(position);
instance.rigid = instance.GetComponent<Rigidbody2D>();
instance.rigid.isKinematic = true;
instance.transform.position = (Vector3)instance.partOrigin;
return instance;
}
DistanceJoint2D SetupRope(RopePart anchor, BridgePart other, Vector2 position)
{
DistanceJoint2D joint = anchor.gameObject.AddComponent<DistanceJoint2D>();
joint.connectedBody = other.rigid;
joint.distance = anchor.partLength * 0.5f;
joint.maxDistanceOnly = true;
joint.anchor = Grid.ToGrid(Vector3.zero);
joint.connectedAnchor = Grid.ToGrid(other.transform.InverseTransformPoint(position));
return joint;
}
void DoCommands()
{
if(Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
{
if(Input.GetKeyDown(KeyCode.Z))
{
Level.Undo();
buildingPart = Level.undoStack.Peek() as BridgePart;
}
if(Input.GetKeyDown(KeyCode.R))
{
buildingPart = Level.redoStack.Peek() as BridgePart;
Level.Redo();
}
}
}
public void OnPointerDown(PointerEventData eventData)
{
if(leftMouseDown(eventData))
{
currentPart = BridgePart.Create(
ResourcesManager.Instance.bridgePartPrefabs[ConstructionControl.partType],
Input.GetKey(KeyCode.LeftShift) ? currentPart.partEnd : mousePosition(eventData));
currentPart.Stretch(mousePosition(eventData));
}
if(rightMouseDown(eventData))
{
if(ConstructionControl.partType < ResourcesManager.Instance.bridgePartPrefabs.Length-1)
{
ConstructionControl.partType++;
}
else
{
ConstructionControl.partType = 0;
}
}
}
