Unity实现不倒翁

Unity 实现不倒翁

https://www.aigei.com/item/zekpackage_unit.html

请使用URP渲染管线创建工程，导入此插件，有问题评论区告诉我。
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csharp 复制代码

using UnityEngine;


[RequireComponent(typeof(Rigidbody))]
public class RolyPoly : MonoBehaviour
{

    [Header("重心设置")]
    [Tooltip("重心高度偏移（负值降低重心）")]
    public float centerOfMassOffset = -0.25f;

    [Header("物理参数")]
    [Range(0.1f, 10f)] public float angularDrag = 2f;
    [Range(0.1f, 10f)] public float maxAngularVelocity = 8f;

    private Rigidbody rb;
    private Vector3 originalCenterOfMass;
    
    [Header("摇摆优化")]
    public float stabilizationForce = 5f;

  /*  参数、作用、推荐值
centerOfMassOffset  重心越低越稳定	(-0.5,  -1.5)
angularDrag 旋转阻力，值越大停止越快	(1.0, 3.0)
maxAngularVelocity 最大旋转速度	(5, 10)
stabilizationForce 主动稳定力度	(2, 5)
*/

    void Start()
    {
        rb = GetComponent<Rigidbody>();
        rb.maxAngularVelocity = maxAngularVelocity;
        rb.angularDrag = angularDrag;

        // 设置重心
        originalCenterOfMass = rb.centerOfMass;
        AdjustCenterOfMass();
    }

    void AdjustCenterOfMass()
    {
        // 降低重心（Y轴负方向）
        Vector3 newCenter = originalCenterOfMass;
        newCenter.y += centerOfMassOffset;
        rb.centerOfMass = newCenter;
    }
    void FixedUpdate()
    {
        // 增加稳定性
        if (rb.velocity.magnitude < 0.1f)
        {
            Vector3 uprightDirection = Vector3.up;
            Vector3 currentUp = transform.up;

            // 计算恢复力矩
            Vector3 torque = Vector3.Cross(currentUp, uprightDirection);
            rb.AddTorque(torque * stabilizationForce, ForceMode.Acceleration);
        }
    }
    // 可选：在编辑器中可视化重心
    void OnDrawGizmosSelected()
    {
        if (!Application.isPlaying) return;

        Gizmos.color = Color.red;
        Gizmos.DrawSphere(transform.TransformPoint(rb.centerOfMass), 0.1f);
    }
}