+ g->step_offset = parameter[GFX_ARG_STEP_OFFSET];
+ g->step_xoffset = parameter[GFX_ARG_STEP_XOFFSET];
+ g->step_yoffset = parameter[GFX_ARG_STEP_YOFFSET];
+ g->step_frames = parameter[GFX_ARG_STEP_FRAMES];
+ g->step_delay = parameter[GFX_ARG_STEP_DELAY];
+ g->direction = parameter[GFX_ARG_DIRECTION];
+ g->position = parameter[GFX_ARG_POSITION];