1 NX9+VS2012 2 3 #include <uf.h> 4 #include <uf_ui.h> 5 #include <uf_vec.h> 6 #include <uf_curve.h> 7 8 9 UF_initialize(); 10 11 //创建直线1 12 UF_CURVE_line_t LineCoords1; 13 LineCoords1.start_point[0] = 0.0; 14 LineCoords1.start_point[1] = 0.0; 15 LineCoords1.start_point[2] = 0.0; 16 LineCoords1.end_point[0] = 0.0; 17 LineCoords1.end_point[1] = 100.0; 18 LineCoords1.end_point[2] = 0.0; 19 tag_t Line1Tag = NULL_TAG; 20 UF_CURVE_create_line(&LineCoords1, &Line1Tag); 21 22 //创建直线2 23 UF_CURVE_line_t LineCoords2; 24 LineCoords2.start_point[0] = 0.0; 25 LineCoords2.start_point[1] = 0.0; 26 LineCoords2.start_point[2] = 0.0; 27 LineCoords2.end_point[0] = 110.0; 28 LineCoords2.end_point[1] = 80.0; 29 LineCoords2.end_point[2] = 0.0; 30 tag_t Line2Tag = NULL_TAG; 31 UF_CURVE_create_line(&LineCoords2, &Line2Tag); 32 33 //直线1的向量方向,终点减起点 34 double Vec1[3] = {LineCoords1.end_point[0]-LineCoords1.start_point[0], LineCoords1.end_point[1]-LineCoords1.start_point[1], LineCoords1.end_point[2]-LineCoords1.start_point[2]}; 35 36 //直线2的向量方向,终点减起点 37 double Vec2[3] = {LineCoords2.end_point[0]-LineCoords2.start_point[0], LineCoords2.end_point[1]-LineCoords2.start_point[1], LineCoords2.end_point[2]-LineCoords2.start_point[2]}; 38 39 //求两个向量的叉乘 40 double CrossProduct[3]; 41 UF_VEC3_cross(Vec1, Vec2, CrossProduct); 42 43 //已知两个向量求夹角(输出的是弧度) 44 double Angle; 45 UF_VEC3_angle_between(Vec1, Vec2, CrossProduct, &Angle); 46 47 //打印 48 char msg[256]; 49 sprintf(msg, "%f",RADEG*Angle );//角度=180度/π*弧度,或者用宏定义RADEG*弧度 50 uc1601(msg, 1); 51 52 UF_terminate();
