protected bool CheckObstables()
{
Vector2 castDirection = DirectionAndDistanceCalculator.CalculateDirection(player.transform.Get2DPosition(), rollTargetPosition);
return(Physics2D.CircleCast(player.transform.Get2DPosition(), 0.15f, castDirection, 0.25f, GameManager.Instance.UnwalkableLayer));
}
public bool CheckObstacles(GameObject go, Vector2 startPos, Vector2 targetPos, LayerMask unwalkableLayer, out Vector2 obstaclePosition)
{
BoxCollider2D boxCollider = go.GetComponent <BoxCollider2D>();
Vector2 unitScale = new Vector2(Mathf.Abs(go.transform.localScale.x), Mathf.Abs(go.transform.localScale.y));
RaycastHit2D hit;
Vector2 rayOrigin;
Vector2 boxColliderCenter = new Vector2(startPos.x - boxCollider.offset.x * unitScale.x, startPos.y + boxCollider.offset.y * unitScale.y);
float xGap = (boxCollider.size.x * unitScale.x) / 2;
float yGap = (boxCollider.size.y * unitScale.y) / 2;
Vector2 rayCastingCenter;
Vector2 direction = DirectionAndDistanceCalculator.CalculateDirection(startPos, targetPos);
float distance = DirectionAndDistanceCalculator.CalculateDistance(startPos, targetPos);
if (direction.x == 0) // walking vertically
{
if (direction.y > 0) // going up
{
rayCastingCenter = boxColliderCenter + new Vector2(0, yGap);
}
else // going down
{
rayCastingCenter = boxColliderCenter - new Vector2(0, yGap);
}
for (int i = -1; i < 2; i++)
{
rayOrigin = rayCastingCenter + new Vector2(i * xGap, 0);
hit = Physics2D.Raycast(rayOrigin, direction, distance, unwalkableLayer);
Debug.DrawLine(rayOrigin, rayOrigin + direction);
if (hit.collider != null)
{
//Debug.Log(go.name + " is gonna hit an obstacle !");
obstaclePosition = hit.point;
return(true);
}
}
}
else
{
if (direction.x > 0)
{
rayCastingCenter = boxColliderCenter + new Vector2(xGap, 0);
}
else
{
rayCastingCenter = boxColliderCenter - new Vector2(xGap, 0);
}
for (int i = -1; i < 2; i++)
{
rayOrigin = rayCastingCenter + new Vector2(0, i * yGap);
hit = Physics2D.Raycast(rayOrigin, direction, distance, unwalkableLayer);
Debug.DrawLine(rayOrigin, rayOrigin + direction);
if (hit.collider != null)
{
//Debug.Log(go.name + " is gonna hit an obstacle !");
obstaclePosition = hit.point;
return(true);
}
}
if (direction.y != 0)
{
Vector2 lastRayOrigin = boxColliderCenter + new Vector2(-xGap * Math.Sign(direction.x), yGap * Math.Sign(direction.y));
hit = Physics2D.Raycast(lastRayOrigin, direction, distance, unwalkableLayer);
Debug.DrawLine(lastRayOrigin, lastRayOrigin + direction);
if (hit.collider != null)
{
//Debug.Log(go.name + " is gonna hit an obstacle !");
obstaclePosition = hit.point;
return(true);
}
}
}
obstaclePosition = new Vector2(short.MinValue, short.MinValue);
return(false);
}