63 lines
1.7 KiB
C#
63 lines
1.7 KiB
C#
using UnityEngine;
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public class ScreenBorderToWorld : MonoBehaviour
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{
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[Header("四个空对象（顺序：上、下、左、右）")]
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public Transform topPoint;
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public Transform bottomPoint;
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public Transform leftPoint;
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public Transform rightPoint;
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[Header("四个特效（顺序：上、下、左、右）")]
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public GameObject topFX;
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public GameObject bottomFX;
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public GameObject leftFX;
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public GameObject rightFX;
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[Header("目标相机（不填默认主相机）")]
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public Camera cam;
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private void Start()
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{
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if (cam == null) cam = Camera.main;
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// 上
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SetPos(topPoint, topFX, new Vector2(0.5f, 1f));
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// 下
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SetPos(bottomPoint, bottomFX, new Vector2(0.5f, 0f));
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// 左
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SetPos(leftPoint, leftFX, new Vector2(0f, 0.5f));
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// 右
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SetPos(rightPoint, rightFX, new Vector2(1f, 0.5f));
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}
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/// <summary>
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/// 归一化屏幕坐标 → 世界坐标 → 设置空对象与特效
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/// </summary>
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private void SetPos(Transform point, GameObject fx, Vector2 normalizedPos)
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{
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// 1. 归一化坐标 → 屏幕像素坐标
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float px = normalizedPos.x * Screen.width;
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float py = normalizedPos.y * Screen.height;
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Vector3 screenPos = new Vector3(px, py, 0);
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// 2. 使用你已有的转换类
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Vector3 worldPos = CoordinateTransformation.ScreenToWord(screenPos);
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// 3. 设置空对象位置
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if (point != null)
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point.position = worldPos;
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// 4. 设置特效位置
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if (fx != null)
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fx.transform.position = worldPos;
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Vector3 v3 = fx.transform.transform.position;
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v3.z = 0;
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fx.transform.position = v3;
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}
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}
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