private boolean checkForSolidEntities(final Vector2d copy, final Entity self) {
		boolean contains = false;

		for (Entity e : entities) {
			// Do not collide with yourself
			if (e == self)
				continue;

			if (e instanceof CollidableEntity) {
				Rectangle collisionBox = ((CollidableEntity) e).getCollisionBox();
				contains = contains || collisionBox.contains(copy.x(), copy.y());
			}
		}

		return contains;
	}