public static GameObject CreateRegularPolygonCube(List <Vector3> listCenter, float raduis, int numberOfSide)
{
if (listCenter.Count <= 1)
{
Debug.Log("至少要有两个正多边形的中心");
return(null);
}
if (raduis <= 0f)
{
Debug.Log("外接圆半径要大于0");
return(null);
}
if (numberOfSide < 3)
{
Debug.Log("正多边形的边数不能小于3");
return(null);
}
//创建游戏物体
GameObject go = new GameObject();
go.name = "RegularPolygonCube";
RegularPolygonCube cube = go.AddComponent <RegularPolygonCube>();
cube.meshFilter = go.AddComponent <MeshFilter>();
cube.meshRenderer = go.AddComponent <MeshRenderer>();
//使用unity自带的shader创建材质
Shader shader = Shader.Find("Standard");
Material mat = new Material(shader);
cube.meshRenderer.sharedMaterial = mat;
//获取所有顶点
List <Vector3> allVertexs = new List <Vector3>();
//获取第一个正多边形的顶点
List <Vector3> previousVertexs = null;
List <Vector3> currentVertexs = GetVertexsForRegularPolygon(Vector3.positiveInfinity, Vector3.positiveInfinity, listCenter[0], listCenter[1], raduis, numberOfSide);
allVertexs.AddRange(currentVertexs);
previousVertexs = currentVertexs;
//获取中间的正多边形的顶点
for (int i = 1; i < listCenter.Count - 1; i++)
{
currentVertexs = GetVertexsForRegularPolygon(listCenter[i - 1], previousVertexs[0], listCenter[i], listCenter[i + 1], raduis, numberOfSide);
allVertexs.AddRange(currentVertexs);
previousVertexs = currentVertexs;
}
//获取最后一个正多边形的顶点
currentVertexs = GetVertexsForRegularPolygon(listCenter[listCenter.Count - 2], previousVertexs[0], listCenter[listCenter.Count - 1], Vector3.positiveInfinity, raduis, numberOfSide);
allVertexs.AddRange(currentVertexs);
//初始化网格，连接顶点
cube.InitMesh(allVertexs, numberOfSide);
//加网格碰撞体
go.AddComponent <MeshCollider>();
return(go);
}
void Awake()
{
//创建正多边形管道
List <Vector3> listCenter = GetPolygonCenters();
GameObject cube = RegularPolygonCube.CreateRegularPolygonCube(listCenter, 0.5f, 10);
//使物体可以被拖动
if (null != cube)
{
cube.AddComponent <DragGameObject>();
}
}
