void GetMouseControlTransform()
{
Ray ray = Camera.main.ScreenPointToRay(_playControl.getRayPosition());
RaycastHit info;
if (Physics.Raycast(ray.origin, ray.direction, out info))
{
//Debug.Log(info.point.y);
Mesh mesh = meshFilter.mesh;
Vector3[] _vertices = mesh.vertices;
for (int i = 0; i < _vertices.Length; i++)
{
//x,z平面变换
//顶点移动与Y值的关系限制在5倍单层高度//Smooth=5
//限制高度越大,曲线越平滑
if (Mathf.Abs(info.point.y - transform.TransformPoint(_vertices[i]).y) < (Smooth * Height))
{
//计算顶点移动方向的向量,向内或外 因为x和z不变我们只要知道y的高度便可知道
//Vector3 v_xz = (transform.TransformPoint(_vertices[i]) -
// new Vector3(transform.position.x, transform.TransformPoint(_vertices[i]).y, transform.position.z));
Vector3 v_xz = transform.TransformDirection(transform.InverseTransformPoint(_vertices[i]) - transform.InverseTransformPoint(new Vector3(0, _vertices[i].y, 0))); //*Random.Range( 0,2)
//外顶点与内顶点移动时相对距离保持不变
//计算总顶点数除以每层单侧顶点数的商的奇偶关系来判断是外顶点还是内顶点
//假设有16个顶点前8个是外圈后8个是内圈详情看GenerateCircle方法
int n = i / SideCount;
bool side = n % 2 == 0; //==true为外边
//判断顶面顶点内外关系
bool caps = (i - (SideCount * layer * 2)) % 2 == 0;
//限制每个顶点最大和最小的移动距离
float max;
float min;
if (i < SideCount * layer * 2)
{
//2:1.9
max = side ? 2f * OuterRadius : 2f * OuterRadius - (OuterRadius - InnerRadius);
min = side ? 0.5f * OuterRadius : 0.5f * OuterRadius - (OuterRadius - InnerRadius);
}
else
{
max = caps ? 2f * OuterRadius : 2f * OuterRadius - (OuterRadius - InnerRadius);
min = caps ? 0.5f * OuterRadius : 0.5f * OuterRadius - (OuterRadius - InnerRadius);
}
//顶点到鼠标Y值之间的距离,余弦cos函数算出实际位移距离
float dif = Mathf.Abs(info.point.y - transform.TransformPoint(_vertices[i]).y);
//这里cos(0)=1固cos(0.5)>1 意思是距离越远dif越大 cos的值越小位移越小
if (Input.GetKey(KeyCode.RightArrow) || _playControl.useMouse(0))
{
float outer = max - v_xz.magnitude;
//outer *= Random.Range(1, 3f);//or //max*Random.Range(0,0.5f) And min*Random.Range(0,0.5f) //or//v_xz.magnitude*Random.Range(1,3f),min*=Random.Range(1,3f)//
_vertices[i] += v_xz.normalized * Mathf.Min(0.01f * Mathf.Cos(((dif / 5 * Height) * Mathf.PI) / 2), outer);
}
else if (Input.GetKey(KeyCode.LeftArrow) || _playControl.useMouse(1))
{
float inner = v_xz.magnitude - min;
//inner*=Random.Range(1,3f);
_vertices[i] -= v_xz.normalized * Mathf.Min(0.01f * Mathf.Cos(((dif / 5 * Height) * Mathf.PI) / 2), inner);
}
}
//Y轴
float scale_y = transform.localScale.y;
if (_playControl.useWhell() > 0)
{
scale_y = Mathf.Min(transform.localScale.y + 0.000001f, 2.0f);
}
else if (_playControl.useWhell() < 0)
{
scale_y = Mathf.Max(transform.localScale.y - 0.000001f, 0.3f);
}
transform.localScale = new Vector3(transform.localScale.x, scale_y, transform.localScale.z);
}
mesh.vertices = _vertices;
mesh.RecalculateBounds();
mesh.RecalculateNormals();
//NormalsReBuild();
meshFilter.mesh = mesh;
meshCollider.sharedMesh = mesh;
}
}
