protected bool PerformMovement(Vector2 _movement)
{
// Create variables
bool _isGrounded = false;
bool _isOverlappingWarp = false;
int _count = 0;
int _closestHitIndex = -1;
float _distance = _movement.magnitude;
RaycastHit2D[] _hitResults = new RaycastHit2D[16];
// Return if not enough movement
if (_distance < MinMovementDistance)
{
return(false);
}
// Cast collider and collide on obstacles
contactFilter.useTriggers = true;
_count = collider.Cast(_movement, contactFilter, _hitResults, _distance + Physics2D.defaultContactOffset);
contactFilter.useTriggers = false;
for (int _i = 0; _i < _count; _i++)
{
// Check warp
if (_hitResults[_i].collider.isTrigger)
{
if (_hitResults[_i].collider.gameObject.HasTag("Warp") && collider.Distance(_hitResults[_i].collider).isOverlapped)
{
_isOverlappingWarp = true;
if (currentWarp == null)
{
currentWarp = _hitResults[_i].collider.GetComponent <Warp>();
}
}
continue;
}
if (!CheckColliderTag(_hitResults[_i], _movement))
{
continue;
}
// Cache normal hit
Vector2 _normal = _hitResults[_i].normal;
// Y movement related calculs
if (Mathf.Approximately(_normal.y, 1))
{
_isGrounded = true;
velocity.y = 0;
}
else if (Mathf.Approximately(_normal.y, -1))
{
velocity.y = 0;
}
// Get minimum distance
float _newDistance = _hitResults[_i].distance - Physics2D.defaultContactOffset;
if (_newDistance < _distance)
{
_distance = _newDistance;
_closestHitIndex = _i;
}
}
// Teleport if needed
if (!_isOverlappingWarp && (currentWarp != null))
{
currentWarp.TryToTeleport(this);
currentWarp = null;
}
// Return if not enough movement
if (_distance < MinMovementDistance)
{
OnHitSomething?.Invoke(_hitResults[_closestHitIndex]);
return(true);
}
// Set isGrounded
if ((_isGrounded != isGrounded) && (_movement.y != 0))
{
IsGrounded = _isGrounded;
}
// Flip if needed
if ((_movement.x != 0) && (Mathf.Sign(_movement.x) != (isFacingRight ? 1 : -1)))
{
Flip();
}
// Move the object
_movement = _movement.normalized * _distance;
transform.position = (Vector2)transform.position + _movement;
rigidbody.position += _movement;
// Return if hit something or not
if (_closestHitIndex > -1)
{
OnHitSomething?.Invoke(_hitResults[_closestHitIndex]);
return(true);
}
return(false);
}