public void step()
{
if (cameraState != CameraMoveState.NotMoving)
{
cameraMoving = true;
switch (cameraState)
{
case CameraMoveState.MoveOut:
if (currentNode.previous != null)
{
currentNode = currentNode.previous;
}
if (areX_AtRoot(currentNode))
{
cameraState = CameraMoveState.MoveVertically;
}
break;
case CameraMoveState.MoveVertically:
if (currentNode.nodeYIndex > endNode.nodeYIndex)
{
currentNode = levels[currentNode.nodeYIndex - 1];
}
else if (currentNode.nodeYIndex < endNode.nodeYIndex)
{
currentNode = levels[currentNode.nodeYIndex + 1];
}
if (areYsEqual(currentNode, endNode))
{
cameraState = CameraMoveState.MoveIn;
}
break;
case CameraMoveState.MoveIn:
if (currentNode.next != null)
{
currentNode = currentNode.next;
}
if (areXsEquals(currentNode, endNode))
{
cameraState = CameraMoveState.NotMoving;
}
break;
}
if (areNodesEqual(currentNode, endNode))
{
cameraState = CameraMoveState.NotMoving;
}
}
}
public bool areNodesEqual(CameraPathNode currentNode, CameraPathNode targetNode)
{
if (currentNode.nodeXIndex == targetNode.nodeXIndex && currentNode.nodeYIndex == targetNode.nodeYIndex)
{
return(true);
}
return(false);
}
private CameraPathNode getNodeInLevel(int n)
{
CameraPathNode tmpNode = levels[currentNode.nodeYIndex];
for (int i = 0; i < n && tmpNode.next != null; i++)
{
tmpNode = tmpNode.next;
}
return(tmpNode);
}
/// <summary>
/// To Check whether x-axis of the currentNode reached the root or not yet.
/// </summary>
/// <param name="currentNode"></param>
/// <returns></returns>
public bool areX_AtRoot(CameraPathNode currentNode)
{
if (currentNode.nodeXIndex == 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// To Check whether x-axis of the currentNode and the target node are equal or not.
/// </summary>
/// <param name="currentNode"></param>
/// <param name="targetNode"></param>
/// <returns></returns>
public bool areXsEquals(CameraPathNode currentNode, CameraPathNode targetNode)
{
if (currentNode.nodeXIndex == targetNode.nodeXIndex)
{
return(true);
}
else
{
return(false);
}
}
// Start is called before the first frame update
void Start()
{
CameraPathNode tmpNode = GetComponent <CameraPathNode>();
int xIndexCounter = 0;
while (tmpNode.previous != null)
{
xIndexCounter++;
tmpNode = tmpNode.previous;
}
nodeXIndex = xIndexCounter;
nodeYIndex = tmpNode.nodeYIndex;
}
private void Awake()
{
if (!instance)
{
instance = this;
}
else
{
Destroy(gameObject);
}
cameraState = CameraMoveState.NotMoving;
for (int i = 0; i < levels.Count; i++)
{
levels[i].nodeYIndex = i;
}
defaultNode = levels[0];
}
public void setTarget(CameraPathNode targetNode)
{
endNode = targetNode;
}
int calculateDistanceToNode(CameraPathNode targetNode)
{
return(currentNode.nodeXIndex + targetNode.nodeXIndex + Mathf.Abs(currentNode.nodeYIndex - targetNode.nodeYIndex));
}
