火箭降落副本 | JavaScript 程式專案

{"id":58980,"student_id":1998,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nrocket.direction = 0\nplatform.y = 450\nplatform.x = 500\nrocket.x = 50\nrocket.y = 50\n\nvar vy = 0;\nvar vx = 0\nvar fuel = 500\nforever(function(){\nrocket.x = rocket.x + vx\nrocket.y = rocket.y + vy\nvy = vy + 0.06;\nif(fuel \u003e 0){\n if (key.up) {  \n    vy = vy - 0.1\n    fuel -= 1\n}\nif (key.left){\n    vx = vx - 0.1\n   fuel -= 1\n}\nif (key.right){\n    vx = vx + 0.1\n    fuel -= 1\n}\n}\nprint(fuel,30, 30, 'red', 30);\nif (rocket.touched(platform)) {\n   if(vy \u003e 2 || vx \u003e 0.6 || vx \u003c -1)\n         rocket.costumeId = 1\n    stop()\n}\n})","created_at":"2019-03-16T10:00:06.082+08:00","updated_at":"2019-07-09T07:47:02.310+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/58980/f9fb3a10f6b642ad0cf19cc40684860f.jpg"},"parent_id":10697,"plugin":"var fire = createSprite(\"fire.png\");\nfire.scale = 0.7;\nforever(function() {\n    if(window.rocket \u0026\u0026 window.platform) {\n        fire.x = rocket.x;\n        fire.y = rocket.y;\n        fire.direction = rocket.direction - 180;\n        fire.stepForward(65);\n        fire.direction = rocket.direction;\n        if(window.rocket \u0026\u0026 (key.up || key.left || key.right) \u0026\u0026 window.fuel\u003e0) {\n            fire.hidden = false;\n        } else {\n            fire.hidden = true;\n        }\n        if(rocket.touched(platform)) {\n            // fire.hidden = true;\n        }\n    }\n});","description":"上、左、右推進火箭\n在料用盡前成功火箭降落在平台上。","note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":41,"hashid":"npmsr586","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}