#include "th03/math/vector.hpp" // (different calling convention than the TH03 one) int pascal vector1_at(int origin, int length, int angle); void pascal near vector2_near( SPPoint near &ret, unsigned char angle, subpixel_t length ); void pascal vector2_at( SPPoint near &ret, subpixel_t origin_x, subpixel_t origin_y, subpixel_t length, int angle );