astronaut | JavaScript 程式專案

{"id":18014,"student_id":173,"content":"setBackdrop(\"black\");\r\nvar obstacle = createSprite([\"level_1.png\",\"level_2.png\",\"level_3.png\",\"level_4.png\",\"level_5.png\",\"level_6.png\",\"level_7.png\",\"level_8.png\",\"level_9.png\"]);\r\nvar target = createSprite(\"target.png\");\r\n\r\nvar flames = []\r\nvar vx = 0\r\nvar vy = 0\r\n\r\nvar astronaut = createSprite(\"astronaut.png\");\r\nastronaut.moveTo(40,40)\r\nforever(function(){\r\n    target.direction += 2\r\n    \r\n    print(\"Level\"+level,10,10,\"white\",20)\r\n\r\n    if(key.up || key.left || key.right){\r\n        var flame = createSprite(\"flame.png\");\r\n        flame.moveTo (astronaut)\r\n        flame.direction = astronaut.direction + 90;\r\n        flame.stepForward(30)\r\n        flame.direction += Math.random()*60 - 30\r\n        flame.life = Math.random()*60\r\n        flames.push(flame)\r\n    }\r\n\r\n    for(var i = 0; i \u003c flames.length; i++){\r\n        var f = flames[i]\r\n        f.stepForward(2.5)\r\n        f.life--\r\n        if (f.life \u003e 0){\r\n            f.scale = f.life/60;\r\n            f.opacity = f.life/60\r\n        } else{\r\n            f.destroy()\r\n            flames.splice(i,1)\r\n        }\r\n    }\r\n\r\n    vy += 0.03\r\n    \r\n    if (key.up){\r\n        vy -= 0.08;\r\n    }\r\n    if (key.left){\r\n        vx -= 0.05;\r\n    }\r\n    if (key.right){\r\n        vx += 0.05\r\n    }\r\n    astronaut.direction = 90 + vx*10\r\n    astronaut.move(vx,vy)\r\n\r\nif (astronaut.touched(obstacle) || astronaut.x\u003c0 || astronaut.x \u003e 649 || astronaut.y\u003c0 ||astronaut.y\u003e480){\r\n    print(\"GAME OVER!\",100,100,\"red\",70)\r\n    stop()\r\n}\r\n\r\n    if (astronaut.touched(target)){\r\n        nextLevel()\r\n    }\r\n\r\n});\r\n\r\nvar levels = [\r\n{ x: 500, y: 400 },\r\n{ x: 500, y: 100 },\r\n{ x: 100, y: 450 },\r\n{ x: 50, y: 75 },\r\n{ x: 500, y: 100 },\r\n{ x: 550, y: 400 },\r\n{ x: 550, y: 50 },\r\n{ x: 375, y: 100 },\r\n{ x: 575, y: 365 }\r\n];\r\nvar level = 0;\r\n\r\nfunction nextLevel(){\r\n    if(level == 9){\r\n        print(\"YOU WIN!\",150,100,\"gold\",70)\r\n        stop()\r\n    }\r\n    target.moveTo(levels[level])\r\n    obstacle.costumeId = level;\r\n    level++\r\n}\r\nnextLevel()","created_at":"2017-12-06T14:29:06.464+08:00","updated_at":"2019-11-01T13:13:25.046+08:00","name":"astronaut","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/18014/bdebf8ca695cd7f51b720894247725b9.jpg"},"parent_id":17200,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":116,"hashid":"36ysmv88","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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