/** * camera manipulation * * @author aa_debdeb * @date 2016/05/21 */ Cam cam; ArrayList<Obj> objs; void setup(){ size(500, 500, P3D); cam = new Cam(); objs = new ArrayList<Obj>(); for(int i = 0; i < 100; i++){ objs.add(new Obj()); } } void draw(){ </obj></obj>…