bool drag = false; // Are we currently dragging.
void Update()
{
// Check if we are currently dragging the mouse.
if (!drag)
{
// We only enter drag mode during gameplay and when the player hold the left mouse button.
if (GameplayManager.Instance.CanPlay() && Input.GetMouseButtonDown(0))
{
// *** Add your source code here ***
}
}
else
{
// Check if we should stay in drag mode. We will exit if the bee has reached a honeycomb
// or the end of its path.
if (currentPath == null || currentPath.EndReached() || currentPath.Waypoints.Count == 0)
{
drag = false;
}
else
{
// Create a 3D ray pointing into the world and test against the play plane, which is
// set at position with z equals 0.
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hitInfo;
playPlane.Raycast(ray, out hitInfo, 1000f);
// Check if we have dragged far enough from our last waypoint.
Vector3 currentPosition = hitInfo.point;
Vector3 lastPosition = currentPath.GetLastPosition();
if (Vector3.Distance(currentPosition, lastPosition) > segmentLength)
{
// Keep adding fixed-length segments up to the current position. This way the
// dash-line for the path will be consistent instead of looking stretched.
float dragLength = Vector3.Distance(currentPosition, lastPosition);
Vector3 direction = Vector3.Normalize(currentPosition - lastPosition);
float totalLength = segmentLength;
while (totalLength < dragLength)
{
currentPath.Append(lastPosition + (direction * totalLength));
totalLength += segmentLength;
}
}
// Check if the player has stopped dragging.
if (Input.GetMouseButtonUp(0))
{
// Try to snap the bee's path to the closest honeycomb.
Beehive.Instance.SnapToHoneycomb(currentPath);
// Exit drag mode.
drag = false;
}
}
}
}
/// <summary>
/// Call this to snap the end of a flight path to an opened honeycomb. This method would
/// only perform the snapping if there is an opened honeycomb that is close enough.
/// </summary>
/// <param name="path">Flight path for a given bee.</param>
public void SnapToHoneycomb(FlightPath path)
{
// Get the end point of the path.
Vector2 current = path.GetLastPosition();
// Go through and find an open honeycomb that is close by the end point.
foreach (GameObject honeycombObject in openHoneycombs)
{
Vector2 testPos = honeycombObject.transform.position;
if (Vector2.Distance(current, testPos) < honeycombSize * 0.55f)
{
Honeycomb honeycomb = honeycombObject.GetComponent <Honeycomb>();
// Snap the path to the honeycomb.
path.ConnectToHoneycomb(honeycomb);
// Register this path with the honeycomb, this is so that we can update
// the path's color if the honeycomb is closed before the bee reaches it.
honeycomb.RegisterPath(path);
break;
}
}
}
bool drag = false; // Are we currently dragging.
void Update()
{
// Check if we are currently dragging the mouse.
if (!drag)
{
// We only enter drag mode during gameplay and when the player hold the left mouse button.
if (GameplayManager.Instance.CanPlay() && Input.GetMouseButtonDown(0))
{
//Create 3D ray pointing into the world at the mouse position
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
//Check if our ray is hitting anything in the scene
RaycastHit hitInfo;
if (Physics.Raycast(ray, out hitInfo, 1000f))
{
//Check if the ray hits a bee. If so, we have 'selected the bee
if (hitInfo.transform.CompareTag("Bee"))
{
//Make sure the bee is not stunned
BeeController bee = hitInfo.transform.GetComponent <BeeController>();
if (!bee.IsStunned())
{
//Append waypoints to path for this bee,
//starting at current position
currentPath = hitInfo.transform.GetComponentInChildren <FlightPath>();
currentPath.Clear();
currentPath.Append(hitInfo.transform.position);
//Enter dragmode, keep appending waypoints to bee's path
drag = true;
}
}
}
}
}
else
{
// Check if we should stay in drag mode. We will exit if the bee has reached a honeycomb
// or the end of its path.
if (currentPath == null || currentPath.EndReached() || currentPath.Waypoints.Count == 0)
{
drag = false;
}
else
{
// Create a 3D ray pointing into the world and test against the play plane, which is
// set at position with z equals 0.
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hitInfo;
playPlane.Raycast(ray, out hitInfo, 1000f);
// Check if we have dragged far enough from our last waypoint.
Vector3 currentPosition = hitInfo.point;
Vector3 lastPosition = currentPath.GetLastPosition();
if (Vector3.Distance(currentPosition, lastPosition) > segmentLength)
{
// Keep adding fixed-length segments up to the current position. This way the
// dash-line for the path will be consistent instead of looking stretched.
float dragLength = Vector3.Distance(currentPosition, lastPosition);
Vector3 direction = Vector3.Normalize(currentPosition - lastPosition);
float totalLength = segmentLength;
while (totalLength < dragLength)
{
currentPath.Append(lastPosition + (direction * totalLength));
totalLength += segmentLength;
}
}
// Check if the player has stopped dragging.
if (Input.GetMouseButtonUp(0))
{
// Try to snap the bee's path to the closest honeycomb.
Beehive.Instance.SnapToHoneycomb(currentPath);
// Exit drag mode.
drag = false;
}
}
}
}
