545 nx:= round(Texture^.w * Texture^.rx / w);

   545 nx:= round(Texture^.w / w); // number of horizontal frames

   546 ny:= round(Texture^.h * Texture^.ry / h);

   546 ny:= round(Texture^.h / h); // number of vertical frames

   547 

   547 

   548 ft:= ((Frame mod ny) / ny);

   548 ft:= (Frame mod ny) * Texture^.ry / ny;

   549 fb:= (((Frame mod ny) + 1) / ny);

   549 fb:= ((Frame mod ny) + 1) * Texture^.ry / ny;

   550 fl:= ((Frame div ny) / nx) * Texture^.rx;

   550 fl:= (Frame div ny) * Texture^.rx / nx;

   551 fr:= (((Frame div ny) + 1) / nx);

   551 fr:= ((Frame div ny) + 1) * Texture^.rx / nx;