using UnityEngine;

public class Block : MonoBehaviour {

    // 定義方塊的材質和形狀

    public Material material;

    public Vector3Int shape = Vector3Int.one;

    // 堆疊方塊

    public void Stack(Vector3Int position) {

        GameObject blockObject = GameObject.CreatePrimitive(PrimitiveType.Cube);

        blockObject.transform.position = position;

        blockObject.GetComponent<Renderer>().material = material;

        blockObject.GetComponent<BoxCollider>().isTrigger = false;

        blockObject.AddComponent<Block>().material = material;

        blockObject.AddComponent<Block>().shape = shape;

    }

    // 拆除方塊

    public void Remove() {

        Vector3Int position = Vector3Int.RoundToInt(transform.position);

        for (int x = 0; x < shape.x; x++) {

            for (int y = 0; y < shape.y; y++) {

                for (int z = 0; z < shape.z; z++) {

                    Vector3Int offset = new Vector3Int(x, y, z);

                    Vector3Int targetPosition = position + offset;

                    Collider[] colliders = Physics.OverlapBox(targetPosition + new Vector3(0.5f, 0.5f, 0.5f), new Vector3(0.5f, 0.5f, 0.5f));

                    foreach (Collider collider in colliders) {

                        if (collider.gameObject.GetComponent<Block>()) {

                            Destroy(collider.gameObject);

                        }

                    }

                }

            }

        }

    }

}