多人賽車 | JavaScript 程式專案

{"id":20086,"student_id":1575,"content":"var target1=createSprite(\"target.jpg\");\nvar target2=createSprite(\"target.jpg\");\nvar border=createSprite(\"border.png\");\nvar car=createSprite(\"blue.png\");\nvar startTime=Date.now();\nvar FINALTime=0;\nvar speed=3\nvar a=0\nvar A =0\nvar B=1000\nvar id = Math.floor(Math.random()*1000000);\nvar name = prompt('名字?');\nvar car=[\n    \n\n\n]\nvar objects=[\n    target1,\n    target2,\n    border,\n    car\n]\ntarget2.y=-260\nforever(function(){\n    if(car.touched(target2)){\n        a=1\n    }\n    if(car.touched(target1)\u0026\u0026a==1){\n        print(\"Time:\"+A+\"s\",0,0,\"red\",30)\n        stop();\n    }\n    FINALTime=Date.now();\n    car.stepForward(speed)\n    if(speed\u003c8){\n    speed+=0.08\n}\nif(car.touched(border)){\n    speed=0.5\n}\nvar offsetX=car.x-320\nvar offsetY=car.y-240\nfor(var i=0;i\u003cobjects.length;i++){\n    objects[i].move(-offsetX,-offsetY)\n}    \nif(key.right\u0026\u0026speed\u003e0.3){\n        car.direction+=3\n        speed-=0.1\n    }\n    if(key.left\u0026\u0026speed\u003e0.3){\n        car.direction-=3\n        speed-=0.1\n    }\n    A=FINALTime-startTime\n    A/=1000\n    \n});\nforever(function(){\nvar fire=createSprite(\"blue.png\");\nfire.moveTo(car)\nfire.direction=car.direction\n\nfire.forever(function(){\nthis.scale-=0.02;\nthis.opacity-=0.02;\nif(this.scale\u003c=0||this.opacity\u003c=0){\n    this.destroy();\n}\n\n});\nobjects.push(fire)\n});\n\n","created_at":"2018-01-13T14:36:32.657+08:00","updated_at":"2023-11-05T15:05:14.156+08:00","name":"多人賽車","language":"javascript","screenshot":{"url":"https://cdn6.koding.school/uploads/project/screenshot/20086/b230fa3bcc0fafe3f75ee57f07ce202f.jpg"},"parent_id":17296,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":118,"hashid":"gk4spn2y","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}