C++ (Cpp) obj_array_remove示例

示例#1

文件： collision.c 项目： JohanOtto/openorbit

static void
split(pl_collisioncontext_t *ctxt, pl_recgrid_t *grid)
{
  if (grid->children[0] == NULL) {
    for (int i = 0 ; i < 8 ; i++) {
      grid->children[i] = pl_new_recgrid(ctxt, grid->size/2.0);
      grid->children[i]->centre = grid->centre;
    }
    lwc_translate3f(&grid->children[0]->centre,
                      grid->size/4.0,  grid->size/4.0,  grid->size/4.0);
    lwc_translate3f(&grid->children[1]->centre,
                      grid->size/4.0,  grid->size/4.0, -grid->size/4.0);
    lwc_translate3f(&grid->children[2]->centre,
                      grid->size/4.0, -grid->size/4.0,  grid->size/4.0);
    lwc_translate3f(&grid->children[3]->centre,
                      grid->size/4.0, -grid->size/4.0, -grid->size/4.0);
    lwc_translate3f(&grid->children[4]->centre,
                     -grid->size/4.0,  grid->size/4.0,  grid->size/4.0);
    lwc_translate3f(&grid->children[5]->centre,
                     -grid->size/4.0,  grid->size/4.0, -grid->size/4.0);
    lwc_translate3f(&grid->children[6]->centre,
                     -grid->size/4.0, -grid->size/4.0,  grid->size/4.0);
    lwc_translate3f(&grid->children[7]->centre,
                     -grid->size/4.0, -grid->size/4.0, -grid->size/4.0);
  }

  for (int i = 0 ; i < grid->objs.length ; i++) {
    pl_object_t *obj = grid->objs.elems[i];
    int octant = getoctant(&grid->centre, obj);
    if (fits(grid->children[octant], obj)) {
      pl_collcontext_insert_object(ctxt, grid->children[octant], obj);
      obj_array_remove(&grid->objs, i);
      i --;
    }
  }
}

示例#2

文件： collision.c 项目： nforrester/openorbit

static void
split(PLcollisioncontext *ctxt, PLrecgrid *grid)
{
  if (grid->children[0] == NULL) {
    for (int i = 0 ; i < 8 ; i++) {
      grid->children[i] = plNewRecgrid(ctxt, grid->size/2.0);
      grid->children[i]->centre = grid->centre;
    }
    ooLwcTranslate3f(&grid->children[0]->centre,
                      grid->size/4.0,  grid->size/4.0,  grid->size/4.0);
    ooLwcTranslate3f(&grid->children[1]->centre,
                      grid->size/4.0,  grid->size/4.0, -grid->size/4.0);
    ooLwcTranslate3f(&grid->children[2]->centre,
                      grid->size/4.0, -grid->size/4.0,  grid->size/4.0);
    ooLwcTranslate3f(&grid->children[3]->centre,
                      grid->size/4.0, -grid->size/4.0, -grid->size/4.0);
    ooLwcTranslate3f(&grid->children[4]->centre,
                     -grid->size/4.0,  grid->size/4.0,  grid->size/4.0);
    ooLwcTranslate3f(&grid->children[5]->centre,
                     -grid->size/4.0,  grid->size/4.0, -grid->size/4.0);
    ooLwcTranslate3f(&grid->children[6]->centre,
                     -grid->size/4.0, -grid->size/4.0,  grid->size/4.0);
    ooLwcTranslate3f(&grid->children[7]->centre,
                     -grid->size/4.0, -grid->size/4.0, -grid->size/4.0);
  }

  for (int i = 0 ; i < grid->objs.length ; i++) {
    PLobject *obj = grid->objs.elems[i];
    int octant = getoctant(&grid->centre, obj);
    if (fits(grid->children[octant], obj)) {
      plInsertObject(ctxt, grid->children[octant], obj);
      obj_array_remove(&grid->objs, i);
      i --;
    }
  }
}