public void ClearObstacles()
{
foreach (GameObject obstacle in Obstacles)
{
Destroy(obstacle);
}
Obstacles.Clear();
DeleteObstaclesButton.SetActive(false);
}
void DrawRectangle()
{
Vector3 resultVector = Corner1 + Corner2;
Vector3 rectangleCenter = new Vector3(resultVector.x / 2, resultVector.y / 2, 0);
float halfHeight = Vector3.Distance(new Vector3(Corner1.x, 0, 0), new Vector3(rectangleCenter.x, 0, 0));
float halfWidth = Vector3.Distance(new Vector3(0, Corner1.y, 0), new Vector3(0, rectangleCenter.y, 0));
GameObject instance = Instantiate(ObstaclePrefab);
instance.transform.SetParent(worldSpaceCanvas.transform);
instance.transform.position = rectangleCenter;
instance.GetComponent <RectTransform>().sizeDelta = new Vector2(halfHeight * 2, halfWidth * 2);
instance.GetComponent <BoxCollider2D>().size = new Vector2(halfHeight * 2, halfWidth * 2);
if (Obstacles.Count == 0)
{
DeleteObstaclesButton.SetActive(true);
}
Obstacles.Add(instance);
}