急速賽車 | JavaScript Programming Project | OrangeApple Learning Platform

{"id":200594,"student_id":12205,"content":"alert('賽車遊戲即將開始')\nvar map = createSprite({\n    x: 0,\n    y:390,\n    scale: 20, // 1.2倍大\n    costumes: [\"road.png\"]\n})\nsetBackdrop(\"backdrop.png\")\nvar speed = 0;\nvar round = 0;\nvar target = 2;\nvar car =createSprite(\"car.png\")\nvar border =createSprite(\"border.png\")\nvar check1 =createSprite(\"check.png\")\nvar check2 =createSprite(\"check.png\")\nvar car =createSprite(\"car.png\")\nvar road =createSprite(\"road.png\")\nvar startTime = Date.now();\nspeed = 0.3;\nvar passtime = 20\ncar.direction = 0\ncheck1.direction = 180\ncheck2.direction = 180\nroad.direction = 180\nborder.direction = 180\nforever(function() {\n\n    //\n    if (speed \u003c 1) {\n        speed = 1\n    }\n    passtime = (Date.now()-startTime)/1000;\n    print(\"經過時間\"+passtime+\"秒\", 20, 20, \"red\", 20);\n    print(Math.floor((speed*10))+\"km/h\", 10, 50, 'red', 30);\n    print(round+'/2', 10, 90, 'red', 20);\n\n    touched();\n    move();\n    speedtouched();\n});\nfunction touched() {\n    if (key.right) {\n        road.direction += 3;\n        border.direction += 3;\n        check1.direction += 3;\n        check2.direction += 3;\n        speed -= 0.04\n        print(\"正在過彎\", 20, 200, \"red\", 20);\n    }\n    if (key.left) {\n        road.direction -= 3;\n        border.direction -= 3;\n        check1.direction -= 3;\n        check2.direction -= 3;\n        speed -= 0.04\n        print(\"正在過彎\", 20, 200, \"red\", 20);\n    }\n    if (key.up) {\n        if (speed \u003c 20) {\n            speed += 0.08;\n        }\n        print(\"正在加速\", 20, 250, \"red\", 20);\n    } else {\n        if (speed \u003c 1) {\n            speed = 1\n        }\n        print(\"已放空油門 \", 20, 350, \"red\", 20);\n        speed -= 0.01;\n    }\n    if (key.down) {\n        speed -= 0.1;\n        print(\"正在減速 \", 20, 250, \"red\", 20);\n    }\n    if (key.space) {\n        speed = 0.2;\n        print(\"已把速度降至最低\", 20, 300, \"red\", 20);\n    }\n    if (car.touched(border)) {\n        if (key.space) {\n            speed = 0.2;\n            print(\"已把速度降至最低\", 20, 300, \"red\", 20);\n        } else {\n            speed = 0.000;\n            print(\"注意!賽車已衝出道路!\", 20, 150, \"red\", 20);\n        }\n    }\n}\nfunction move() {\n\n    car.direction =  border.direction- 180;\n    border.stepForward(speed);\n    //road.direction = car.direction - 180;\n    road.stepForward(speed);\n    //check1.direction = car.direction - 180;\n    check1.stepForward(speed);\n    //check2.direction = car.direction - 180;\n    check2.stepForward(speed);\n\n\n}\nfunction speedtouched() {}\n\nif (speed \u003c 1) {\n    speed = 1\n}\n\nfunction end() {\n    if (target == 1 \u0026\u0026 car.touched(check1)) {\n        target = 2;\n        round += 1;\n    }\n    if (car.touched(check1) \u0026\u0026 target == 1) {\n        target = 2\n        round += 1\n    }\n}","created_at":"2020-10-31T17:38:02.869+08:00","updated_at":"2020-10-31T17:47:19.997+08:00","name":"急速賽車","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/200594/1cdfc9c326edb2f8f5a7a3e99c607829.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":178,"hashid":"yeysvzk6q","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}