/// <summary>
/// Moves the camera and based on its current state and changes state based on the controller's acive moves.
/// </summary>
protected void HandleState()
{
if (!Target)
{
return;
}
var t = Target.transform;
if (State == CameraControllerState.Follow)
{
if (FollowTarget)
{
DoFollow(t.position);
}
}
else if (State == CameraControllerState.Focus)
{
DoFocus(t.position);
}
else if (State == CameraControllerState.Pan)
{
if (FollowTarget)
{
DoFollow(t.position);
}
if (PanDelayTimer > 0f)
{
if ((PanDelayTimer -= Time.deltaTime) < PanTime)
{
PanDelayTimer = 0f;
}
}
else
{
if (PanTimer < PanTime)
{
PanTimer += Time.deltaTime;
PanOffset = Vector2.Lerp(PanStart, PanEnd, PanTimer / PanTime);
}
else
{
PanTimer = PanTime;
State = CameraControllerState.Follow;
}
}
}
else if (State == CameraControllerState.Wait)
{
if ((WaitTimer -= Time.deltaTime) < 0f)
{
WaitTimer = 0f;
State = CameraControllerState.Follow;
}
}
}
public void Follow(Transform target, Vector2 followSpeed, Transform minBounds, Transform maxBounds)
{
State = CameraControllerState.Follow;
Target = target;
FollowTarget = true;
FollowSpeed = followSpeed;
FollowBoundsMin = minBounds;
FollowBoundsMax = maxBounds;
}
/// <summary>
/// Pans to the specified offset position over the specified duration, in seconds.
/// </summary>
/// <param name="offset"></param>
/// <param name="seconds"></param>
public void Pan(Vector2 offset, float seconds, float delay = 0f)
{
PanStart = PanOffset;
PanEnd = offset;
PanTimer = 0f;
PanTime = seconds;
PanDelayTimer = State == CameraControllerState.Pan ? Mathf.Min(PanDelayTimer, delay) : delay;
State = CameraControllerState.Pan;
}
public void Awake()
{
State = CameraControllerState.Follow;
BasePosition = transform.position;
PanOffset = Vector2.zero;
FollowTarget = true;
WaitTimer = 0f;
OnChangeTarget = OnChangeTarget ?? new ChangeTargetEvent();
Camera = GetComponent <Camera>();
}
private void UpdateState()
{
bool panControlKey = Input.GetKey(KeyCode.LeftShift);
bool zoomControlKey = Input.GetKey(KeyCode.LeftControl);
bool movementInput = keyboardInput.sqrMagnitude > .01f;
bool anyControlKeyInput = panControlKey || zoomControlKey;
bool onlyMouseInput = IsMouseDown && !anyControlKeyInput;
bool anyInput = IsMouseDown || anyControlKeyInput;
switch (state)
{
case CameraControllerState.MovRot:
if (movementInput || panControlKey || IsMouseDown)
{
return;
}
break;
case CameraControllerState.Free:
if (movementInput || onlyMouseInput)
{
state = CameraControllerState.MovRot;
return;
}
if (panControlKey && IsMouseDown)
{
state = CameraControllerState.Pan;
return;
}
if (zoomControlKey && IsMouseDown)
{
state = CameraControllerState.Zoom;
return;
}
break;
default:
if (anyInput)
{
return;
}
break;
}
state = CameraControllerState.Free;
}
public void Follow()
{
State = CameraControllerState.Follow;
}
/// <summary>
/// Interrupts normal behavior for the specified duration.
/// </summary>
/// <param name="seconds">The specified duration, in seconds.</param>
public void Wait(float seconds)
{
WaitTimer = seconds;
State = CameraControllerState.Wait;
}
public void Focus(Transform target, Vector2 focusSpeed)
{
State = CameraControllerState.Focus;
Target = target;
FocusSpeed = focusSpeed;
}
