using StgSharp.Math; using System.Numerics; namespace StgSharp.Geometries { public class Rectangle : Parallelogram { public Rectangle( float v0x, float v0y, float v0z, float v1x, float v1y, float v1z, float v2x, float v2y, float v2z, float v3x, float v3y, float v3z ) : base( v0x, v0y, v0z, v1x, v1y, v1z, v2x, v2y, v2z, v3x, v2y, v3z ) { Vec2d side0 = vertexMat.Colum0 - vertexMat.Colum1; Vec2d side1 = vertexMat.Colum2 - vertexMat.Colum1; if (side0.Cross(side1) == 0) { } } /// /// 计算中心点相对于参考原点的位移 /// /// 当前游戏刻 /// public virtual vec3d MovCenter(uint tick) => default(vec3d); } }