火箭降落副本 | JavaScript 程式專案

{"id":43295,"student_id":1885,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\", \"bomb.png\"]);\nvar fuel=500;\nvar vy=0;\nvar vx=0;\nrocket.x=80;\nrocket.y=90;\nrocket.direction=0;\nplatform.x=500;\nplatform.y=430;\n\nforever(function() {\n    vy=vy+0.06;\n    vx=vx+0;\n    \n    rocket.y=rocket.y+vy;\n    rocket.x=rocket.x+vx;\n    print(fuel,30,30,\"pink\",30);\n    if(key.up){\n        vy=vy-0.3;\n        fuel=fuel-1;\n        \n    }\n    if(key.right){\n        vx=vx+0.1;\n        fuel=fuel-1;\n    }\n    if(key.left){\n        vx=vx-0.1;\n        fuel=fuel-1;\n    }\n});\n\n","created_at":"2018-09-29T10:19:32.239+08:00","updated_at":"2019-10-05T03:37:30.348+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/43295/34f32ae6bc631b5711acef06e55f7d54.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":83,"hashid":"gk4s83n3","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}