/// <summary>
/// 计算速度衰减
/// </summary>
/// <param name="areaType"></param>
/// <param name="velocity"></param>
/// <param name="normal"></param>
/// <returns></returns>
public Vector3 CalcVelocityDecay(AreaType areaType, Vector3 velocity, Vector3 normal, bool isDecay)
{
if (isDecay)
{
GroundmaterialConfig groundMatConfig = GroundmaterialDao.Inst.GetCfg((uint)areaType);
if (groundMatConfig == null)
{
return(Vector3.zero);
}
//衰减斜率
float k = (float)groundMatConfig.DecreaseSlope;
//衰减起始值
float offset = (float)groundMatConfig.DecreaseBias;
//入射速度在法线上的投影，该投影与衰减值呈k为斜率和offset为起始值的线性关系
float p = Vector3.Dot(-velocity, normal);
float decay = (k * p + offset) / 100;
//衰减不能放大，范围0-1
decay = Mathf.Clamp01(decay);
Vector3 decayVelocity = velocity * (1 - decay);
//Debug.Log("衰减斜率:" + k + " 衰减偏移:" + offset + "速度法线投影:" + p + " 衰减:" + decay + " 速度:" + decayVelocity + " 开始速度:" + velocity);
return(decayVelocity);
}
return(velocity);
}
/// <summary>
/// 计算滚动点的摩擦力加速度
/// </summary>
/// <param name="velocity"></param>
/// <param name="areaType"></param>
/// <returns></returns>
public Vector3 CalcRollFrictionAcc(Vector3 velocity, AreaType areaType, GolfAIMapPolygon poly)
{
GroundmaterialConfig groundMatConfig = GroundmaterialDao.Inst.GetCfg((uint)areaType);
if (groundMatConfig == null)
{
return(Vector3.zero);
}
//摩擦系数
float u = groundMatConfig.Friction;
//获取小球在该三角面的加速度
Vector3 acc = poly.GetAcceleration(velocity, 1, u);
return(acc);
}
public GolfPath(GolfCourseMap map)
{
m_CurMap = map;
MotionPath = new GolfMotionPath(map);
SpinDic = new Dictionary <int, List <float> >();
//旋球临时数据
for (int j = 0; j < 4; j++)
{
List <float> spinList = new List <float>();
spinList.Clear();
for (int i = 1; i <= 5; i++)
{
GroundmaterialConfig groundMatConfig = GroundmaterialDao.Inst.GetCfg((uint)i);
spinList.Add(groundMatConfig.SpinAddition1);
}
SpinDic.Add(j, spinList);
}
}
/// <summary>
/// 检查是否可以反弹
/// </summary>
/// <param name="velocity"></param>
/// <param name="normal"></param>
/// <param name="areaType"></param>
/// <returns></returns>
public bool CheckCanBounce(Vector3 velocity, Vector3 normal, AreaType areaType, int haveReboundCount)
{
if (haveReboundCount >= 3)
{
return(false);
}
GroundmaterialConfig groundMatConfig = GroundmaterialDao.Inst.GetCfg((uint)areaType);
if (groundMatConfig == null)
{
return(false);
}
float minBounceVelocity = (float)groundMatConfig.MinBounceVelocity / 100.0f;
float p = Mathf.Abs(Vector3.Dot(-velocity, normal));
if (p >= minBounceVelocity)
{
return(true);
}
return(false);
}
