瘋狂賽車（完整版）副本 | JavaScript 程式專案

{"id":186112,"student_id":16,"content":"var road = createSprite('road.png'); //柏油路背景\nvar check1 = createSprite('check.png'); //檢查點1\nvar check2 = createSprite('check.png'); //檢查點2\nvar border = createSprite('border.png'); //道路邊界\nvar car = createSprite('car.png'); //車子\nvar dashboard = createSprite('dashboard.png'); //儀表板\nvar resultBoard = createSprite('result.png'); //成績顯示版\n\ncheck1.moveTo(600, 400);\ncheck2.moveTo(600, -1750);\n\nvar speed = 0;\nvar round = 1;\nvar isChecked = false;\nvar startTime = Date.now();\nvar t1 = 0;\nvar t2 = 0;\nvar t3 = 0;\n\nresultBoard.hidden = true; //預設隱藏成績顯示版\n\n\n//固定圖片不會隨角度旋轉\nroad.rotationStyle = 'fixed';\ncheck1.rotationStyle = 'fixed';\ncheck2.rotationStyle = 'fixed';\nborder.rotationStyle = 'fixed';\n\n\nforever(loop); //重複不斷執行遊戲迴圈\n\n//遊戲主迴圈\nfunction loop () {\n    timer = (Date.now() - startTime)/1000;\n    drawText(timer + 's', 1000, 80, 'white', 40);\n    drawText(round + '/3', 350, 80, 'black', 40);\n    drawText(Math.floor(speed * 10) + 'km/h', 80, 80, 'white', 40)\n    \n    road.direction = car.direction - 180;\n    road.stepForward(speed);\n    border.direction = car.direction - 180;\n    border.stepForward(speed);\n    check1.direction = car.direction - 180;\n    check1.stepForward(speed);\n    check2.direction = car.direction - 180;\n    check2.stepForward(speed);\n    \n    if (speed \u003c 12) {\n        speed += 0.15;\n    }\n\n    if (key.right) {\n        car.direction += 2;\n        speed -= 0.2;\n    }\n\n    if (key.left) {\n        car.direction -= 2;\n        speed -= 0.2;\n    }\n\n    if (car.touched(check1) \u0026\u0026 isChecked) {\n        if (round == 1) {\n            t1 = timer;\n        }\n        if (round == 2) {\n            t2 = timer;\n        }\n        if (round == 3) {\n            t3 = timer;\n        }\n        round += 1;\n        isChecked = false;\n        startTime = Date.now();\n    }\n\n    if (car.touched(check2)) {\n        isChecked = true;\n    }\n\n    if (round == 4) {\n        var avg = (t1 + t2 + t3) / 3;\n        drawText(t1 + 's', 550, 335, 'white', 30);\n        drawText(t2 + 's', 550, 410, 'white', 30);\n        drawText(t3 + 's', 550, 485, 'white', 30);\n        drawText(avg.toFixed() + 's', 550, 560, 'white', 30);\n        resultBoard.hidden = false;\n        stop()\n    }\n\n}","created_at":"2020-08-28T19:11:53.574+08:00","updated_at":"2020-08-30T18:00:08.424+08:00","name":"瘋狂賽車（完整版） 副本","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/186112/48c4d6d8de97bf8276425a2d2b1e5163.jpg"},"parent_id":144073,"plugin":"Game.set({\n    width: 1200, height: 900,\n})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":89,"hashid":"4y3sjzd6","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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