stage.create_grid_overlay(50, 'greenyellow') size = .3 planet = codesters.Sprite("mars", -200, -200) planet.set_size(.4) planet.collision_off() stop1 = codesters.Sprite("codester", -100, -100) stop1.set_size(size)

t = codesters.Teacher() defs = t.find_block('def') turns = t.find_function('hide') gotos = t.find_function('go_to') handlers = t.find_function('event_collision') try: tval1 = defs[0][1] tval2 = t.get_indent_at_line(defs[0][0]) tval2a = defs[0][0] except: tval1 = "DNE" tval2 = "DNE" tval2a = "DNE" try: tval3 = handlers[0][1] tval4 = t.get_indent_at_line(handlers[0][0]) except: tval3 = "DNE" tval4 = "DNE" try: tval7 = turns[-1][0] tval8 = gotos[-1][0] except: tval7 = "DNE" tval8 = "DNE" def collision(sprite, hit_sprite): my_var = hit_sprite.get_color() if my_var == "red": sprite.say("Ouch!") if my_var == "green": sprite.say("Goal!") # add any other actions... sprite.event_collision(collision) t1 = TestObjective() t1.add_success('collision(sprite, hit_sprite)' in tval1, "Great job!") t1.add_failure(tval1 == "DNE", "Did you add a Collision event?") t1.add_failure(('collision(sprite, hit_sprite)' not in tval1 and tval1 != "DNE"), "Try adding a Collision event instead!") t2 = TestObjective() t2.add_success('sprite.event_collision(collision)' in tval3 and tval4 == 0, "Great job!") t2.add_failure(tval3 == "DNE", "Oops! Did you delete the last line of your event?") t2.add_failure('sprite.event_collision(collision)' not in tval3, "Make sure you've added a Collision.") t2.add_failure(tval4 > 0, "Oops! Make sure the last line of your event is not indented!") t3 = TestObjective() t3.add_success(tval7 > tval2a and tval8 > tval2a and tval7 != "DNE", "Great job!") t3.add_failure(tval7 == "DNE" or tval8 == "DNE", "Oops! Did you add a Collision event?") t3.add_failure(tval7 < tval2a or tval8 < tval2a, "Did you add a Collision event?") t3.add_failure(tval7 == "DNE" or tval8 == "DNE", "Did you add a Collision event?") tester = TestManager() tester.add_test_list([t1, t2, t3]) tester.run_tests() tester.display_first_feedback()