WheelFrictionCurve.stiffness

描述

extremumValue 和 asymptoteValue 值（默认值 1）的乘数。

更改摩擦的硬度。将此值设为 0 将完全禁用车轮的所有摩擦。

通常，修改 stiffness 以模拟各种地面材料（例如，在草地上行驶时降低硬度）。其他资源：WheelCollider.GetGroundHit。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    public WheelCollider wheel;

    void Start()
    {
        wheel = GetComponent<WheelCollider>();
    }

    // When attached to the WheelCollider, modifies tire friction based on
    // static friction of the ground material.
    void FixedUpdate()
    {
        WheelHit hit;
        if (wheel.GetGroundHit(out hit))
        {
            WheelFrictionCurve fFriction = wheel.forwardFriction;
            fFriction.stiffness = hit.collider.material.staticFriction;
            wheel.forwardFriction = fFriction;
            WheelFrictionCurve sFriction = wheel.sidewaysFriction;
            sFriction.stiffness = hit.collider.material.staticFriction;
            wheel.sidewaysFriction = sFriction;
        }
    }
}