急速賽車 | JavaScript 程式專案

{"id":9151,"student_id":10,"content":"var speed = 0;\nvar round = 0;\nvar target = 2;\nvar startTime = Date.now();\n\nforever(function() {\n    passtime = (Date.now() - startTime) / 1000;\n    print(passtime + '秒', 10, 10, 'red', 20);\n    print(Math.floor(speed * 10) + 'km/h', 10, 50, 'red', 20);\n    print(round + '/3', 10, 90, 'red', 20);\n\n    playerControl();\n    move();\n    speedControl();\n    flag();\n\n});\n\nfunction playerControl() {\n    if (key.right) {\n        car.direction += 3;\n        speed -= 0.1;\n    }\n    if (key.left) {\n        car.direction -= 3;\n        speed -= 0.1;\n    }\n}\n\n\nfunction move() {\n    border.direction = car.direction - 180;\n    border.stepForward(speed);\n\n    road.direction = car.direction - 180;\n    road.stepForward(speed);\n\n    check1.direction = car.direction - 180;\n    check1.stepForward(speed);\n\n    check2.direction = car.direction - 180;\n    check2.stepForward(speed);\n}\n\nfunction speedControl() {\n    if (speed \u003c 9) {\n        speed += 0.08;\n    }\n    if (car.touched(border)) {\n        speed -= 0.13;\n    }\n    if (speed \u003c 0.3) {\n        speed = 0.3;\n    }\n}\n\n\nfunction flag() {\n    if (car.touched(check1) \u0026\u0026 target == 1) {\n        target = 2;\n        round += 1;\n    }\n    if (car.touched(check2) \u0026\u0026 target == 2) {\n        target = 1;\n    }\n    if (round == 3) {\n        stop();\n    }\n}\n\n\n\n\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2021-04-06T19:45:47.398+08:00","name":"急速賽車","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/9151/2627f4fe31e8c31de5cc94be1bdd3d3f.jpg"},"parent_id":9146,"plugin":"var road = createSprite(\"road.png\");\nroad.rotationStyle = 'fixed';\nvar check1 = createSprite(\"check.png\");\ncheck1.x = -1200;\ncheck1.y = -400;\ncheck1.rotationStyle = \"fixed\";\nvar check2 = createSprite(\"check.png\");\ncheck2.x = 1130;\ncheck2.y = 300;\ncheck2.rotationStyle = \"fixed\";\nvar border= createSprite(\"border.png\");\nborder.rotationStyle = 'fixed';\nvar car = createSprite(\"car.png\");\ncar.scale = 0.4;\ncar.direction = 180;\n\nvar offsetX = 1500;\nvar offsetY = 650;\n\nroad.x += offsetX;\nroad.y += offsetY;\nborder.x += offsetX;\nborder.y += offsetY;\ncheck1.x += offsetX;\ncheck1.y += offsetY;\ncheck2.x += offsetX;\ncheck2.y += offsetY;","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":324,"hashid":"meysrjm","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}