镜头平滑跟随代码(用于赛车游戏)

王者再临

老外发布的一个摄像机跟随代码，主要用于赛车游戏中，比官方默认的那个效果要更强大些，下面是详细功能简介：

Here's another smooth camera script. Designed to follow a car smoothly and give you the ability to zoom out when the car is moving. Hope someone makes use of it.

    target = self explanatory
    distance = Standard distance to follow object
    height = The height of the camera
    heightDamping = Smooth out the height position
    lookAtHeight = An offset of the target
    parentRigidbody = Used to determine how far the camera should zoom out when the car moves forward
    rotationSnapTime = The time it takes to snap back to original rotation
    distanceSnapTime = The time it takes to snap back to the original distance or the zoomed distance (depending on speed of parentRigidyBody)
    distanceMultiplier = Make this around 0.1f for a small zoom out or 0.5f for a large zoom (depending on the speed of your rigidbody)

Looks best when you place the target transform on the front axle

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1. using UnityEngine;
   
2. using System.Collections;
   
3. public class CarSmoothFollow : MonoBehaviour {
   
4.     public Transform target;
   
5.     public float distance = 20.0f;
   
6.     public float height = 5.0f;
   
7.     public float heightDamping = 2.0f;
   
8.     public float lookAtHeight = 0.0f;
   
9.     public Rigidbody parentRigidbody;
   
10.     public float rotationSnapTime = 0.3F;
    
11.     public float distanceSnapTime;
    
12.     public float distanceMultiplier;
    
13.     private Vector3 lookAtVector;
    
14.     private float usedDistance;
    
15.     float wantedRotationAngle;
    
16.     float wantedHeight;
    
17.     float currentRotationAngle;
    
18.     float currentHeight;
    
19.     Quaternion currentRotation;
    
20.     Vector3 wantedPosition;
    
21.     private float yVelocity = 0.0F;
    
22.     private float zVelocity = 0.0F;
    
23.     void Start () {
    
24.         lookAtVector =  new Vector3(0,lookAtHeight,0);
    
25.     }
    
26.     void LateUpdate () {
    
27.         wantedHeight = target.position.y + height;
    
28.         currentHeight = transform.position.y;
    
29.         wantedRotationAngle = target.eulerAngles.y;
    
30.         currentRotationAngle = transform.eulerAngles.y;
    
31.         currentRotationAngle = Mathf.SmoothDampAngle(currentRotationAngle, wantedRotationAngle, ref yVelocity, rotationSnapTime);
    
32.         currentHeight = Mathf.Lerp(currentHeight, wantedHeight, heightDamping * Time.deltaTime);
    
33.         wantedPosition = target.position;
    
34.         wantedPosition.y = currentHeight;
    
35.         usedDistance = Mathf.SmoothDampAngle(usedDistance, distance + (parentRigidbody.velocity.magnitude * distanceMultiplier), ref zVelocity, distanceSnapTime);
    
36.         wantedPosition += Quaternion.Euler(0, currentRotationAngle, 0) * new Vector3(0, 0, -usedDistance);
    
37.         transform.position = wantedPosition;
    
38.         transform.LookAt(target.position + lookAtVector);
    
39.     }
    
40. }

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HIDEOKOJIMA

Its not good, but thanks for sharing !

dxxd

感谢分享~~~