急速賽車 | JavaScript 程式專案

{"id":23809,"student_id":1981,"content":"var speed = 0;\nvar startTime = Date.now();\nvar round = 0;\nvar target = 2;\n\nforever(function() {\n   \n    if (key.right) {\n        speed-=0.1;\n        //當右鍵被按下時\n        car.direction += 3;\n    }\n    if(speed\u003c0.3){ //防止車子往反方向跑\n        speed=0.3;\n    }\n    if (key.left) {\n        //當左鍵被按下時\n        speed-=0.1;\n        car.direction -= 3;\n    }\n    if(car.touched(border)){ //判斷碰到草皮會做的事情\n        speed-=0.1\n    }\n    if (car.touched(road)) {\n        if (speed \u003c= 9) {\n            speed += 0.1\n        }\n    } else {\n        speed = 0.3\n    }\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=2;\n    } \n    if(round==2){ \n        stop();\n    }\n    print((Date.now()-startTime)/1000+'s',10,10,'red',20);\n    print(Math.floor(speed*10)+'km/h',10,50,'red',20);\n    print(round +'/2',10,90,'red',20);\n    border.direction = car.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\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n// var speed = 0;\n// var startTime = Date.now();\n// var round = 0;\n// var target = 2;\n// forever(function(){\n//     print((Date.now()-startTime)/1000 + 's', 10, 10, 'red', 20);//方法回傳自 1970/01/01 00:00:00 UTC 起經過的毫秒數\n//     print(Math.floor(speed*10) + 'km/h', 10, 50, 'red', 20);//Math.floor()函式會回傳小於等於所給數字的最大整數。\n//     print(round + '/2', 10, 90, 'red', 20);\n\n//     if(key.right) {\n//         car.direction += 3;\n//         speed -= 0.11;\n//     }\n//     if(key.left) {\n//         car.direction -= 3;\n//         speed -= 0.11;\n//     }\n//     if(speed \u003c 9) {\n\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//     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 == 2) {\n//         stop();\n//     }\n\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// });","created_at":"2018-03-07T23:15:10.397+08:00","updated_at":"2020-12-23T20:03:03.150+08:00","name":"急速賽車","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/23809/ecacbcc56e43cf02c0df7b72b6543b65.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":128,"hashid":"qmds3mzy","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}