94 lines
2.2 KiB
C#
94 lines
2.2 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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//上帝视角摄像机
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public class GodCamera : MonoBehaviour
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{
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//相机
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Camera godCamera;
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//初始位置
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public Vector3 startPosition = new Vector3(0f, 0f, 0f);
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//最大x
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public float maxPosX = 100f;
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//最小x
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public float minPosX = -100f;
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//最大y
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public float maxPosY = 50f;
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//最小y
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public float minPosY = 10f;
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//最大z
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public float maxPosZ = 100f;
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//最小z
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public float minPosZ = -100f;
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//速度
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public float speed = 20;
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//bool isGameStart = true;
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// Start is called before the first frame update
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void Start()
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{
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godCamera = transform.GetComponent<Camera>();
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transform.position = startPosition;
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godCamera.fieldOfView = 60;
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}
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// Update is called once per frame
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void Update()
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{
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//移动
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Move();
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//视野缩放
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ScaleView();
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}
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private void Move()
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{
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//当鼠标左键按下的时候,0表示鼠标左键
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if (Input.GetMouseButton(0))
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{
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var x = Input.GetAxis("Mouse X");//鼠标在两帧之间的水平偏移量
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var y = Input.GetAxis("Mouse Y");//竖直的偏移量
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if (x != 0 || y != 0)
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{
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Vector3 target = this.transform.position + new Vector3(-y, 0, x) * speed;
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if (target.x > maxPosX || target.x < minPosX || target.z > maxPosZ || target.z < minPosZ)
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{
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// 如果超出范围，则不更新位置
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return;
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}
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this.transform.position = Vector3.Lerp(this.transform.position, target, speed * Time.deltaTime);
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}
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}
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}
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private void ScaleView()
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{
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//获取到鼠标滚轮的值
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float mouseScrollWheel = Input.GetAxis("Mouse ScrollWheel");
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if (mouseScrollWheel != 0)
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{
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godCamera.fieldOfView += mouseScrollWheel * speed;
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if (godCamera.fieldOfView <= 38)
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{
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godCamera.fieldOfView = 38;
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}
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else if (godCamera.fieldOfView >= 95)
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{
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godCamera.fieldOfView = 95;
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}
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}
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}
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}
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