// Update is called once per frame
void LateUpdate()
{
//if mosue down on screen, the select a character
if (Input.GetMouseButtonDown(0))
{
//start a raycast to get all gameobject with collider or charactercontroller
Ray ray = gameCamera.camera.ScreenPointToRay(Input.mousePosition);
RaycastHit[] hits = Physics.RaycastAll(ray, 10000f);
if ( hits.Length > 0 )
{
List<BattleCharacterController> hitChars = new List<BattleCharacterController>();
//if pick up a player character, then add to list
foreach (RaycastHit hit in hits)
{
BattleCharacterController character = hit.transform.GetComponent<BattleCharacterController>();
if (character != null && character.characterData.isPlayer && character != null)
{
hitChars.Add(character);
}
}
//select the nearest character on scene
if (hitChars.Count > 0)
{
BattleCharacterController tmp = hitChars[0];
foreach (BattleCharacterController bcc in hitChars)
{
if (bcc.transform.position.y < tmp.transform.position.y)
tmp = bcc;
}
if (player != null)
player.Unselect();
player = tmp;
player.Select();
}
}
}
//if mouse up, then set the character move target
if (Input.GetMouseButtonUp(0) && player != null)
{
Rect scrRc = new Rect(0, 0, Screen.width, Screen.height);
if (!scrRc.Contains(Input.mousePosition))
return;
Ray ray = gameCamera.camera.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
//if raycast any collider or character, then move to the target object
if (Physics.Raycast(ray, out hit, 10000f))
{
BattleCharacterController target = hit.transform.GetComponent<BattleCharacterController>();
if (target != null && target.characterData.isPlayer != player.characterData.isPlayer)
{
BattleCharacterController.MoveTarget moveTarget = new BattleCharacterController.MoveTarget(target);
player.Move(moveTarget);
}
}
//move to the target position
else
{
Vector3 tmp = gameCamera.camera.ScreenToWorldPoint(Input.mousePosition);
BattleCharacterController.MoveTarget moveTarget = new BattleCharacterController.MoveTarget(tmp);
player.Move(moveTarget);
}
}
}
public MoveTarget(BattleCharacterController target)
{
type = MoveTargetType.Character;
targetObject = target;
}
public Vector3 GetDirectionToCharacter(BattleCharacterController target, Vector3 offset)
{
return (target.transform.position + offset) - transform.position;
}
float GetDistanceToCharacter(BattleCharacterController target, Vector3 offset)
{
Vector3 src = transform.position;
Vector3 dst = target.transform.position + offset;
src.z = dst.z = 0f;
return Vector3.Distance(src, dst);
}
