UF_VEC3_convex_comb UF_VEC3_copy UF_VEC3_cross UF_VEC3_distance UF_VEC3_distance_to_plane UF_VEC3_dot UF_VEC3_is_equal UF_VEC3_is_parallel UF_VEC3_is_perpendicular UF_VEC3_is_zero UF_VEC3_linear_comb UF_VEC3_mag UF_VEC3_midpt UF_VEC3_negate UF_VEC3_scale UF_VEC3_sub...
;3839//求两个向量的叉乘40doubleCrossProduct[3];41UF_VEC3_cross(Vec1, Vec2, CrossProduct);4243//已知两个向量求夹角(输出的是弧度)44doubleAngle;45UF_VEC3_angle_between(Vec1, Vec2, CrossProduct, &Angle);4647//打印48charmsg[256];49sprintf(msg,"%f",RADEG*Angle );//角度=180度/π*弧...
UF_VEC3_cross(Vec1, Vec2, CrossProduct);//已知两个向量求夹角(输出的是弧度)doubleAngle; UF_VEC3_angle_between(Vec1, Vec2, CrossProduct,&Angle);//向量点乘doubledot_product =0; UF_VEC3_dot(Vec1, Vec2,&dot_product);//a·b > 0 点乘大于0 两个向量方向基本相同 夹角在0°90°之间//...
UF_CURVE_SLOPE_NONE, UF_CURVE_SLOPE_AUTO, UF_CURVE_SLOPE_VEC, UF_CURVE_SLOPE_DIR (see Note 1) */ double slope[3]; /* 3D vector defining the slope assigned at this input point (see Note 1, 4, 5) */ int crvatr_type; /* type of control being defined UF_CURVE_...