火箭降落 | JavaScript 程式專案

{"id":23507,"student_id":73,"content":"setBackdrop('bg.jpg');\nvar fuel=500;\nvar side=true;\nvar vy=0;\nvar vx=0;\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nplatform.x=500;\nplatform.y=450;\nrocket.x=50;\nrocket.y=50;\nrocket.direction=0;\nforever(function() {\n    print(fuel,40,40,\"red\",80);\n    vy+=0.05;\n    rocket.y+=vy;\n    rocket.x+=vx;\n    if(fuel\u003e0){\n        if(key.up){\n        vy-=0.1;\n        fuel-=1;    \n        }\n        if(key.left){\n        vx-=0.1;\n        fuel-=1; \n        rocket.direction-=2;\n        }\n        if(key.right){\n        vx+=0.1;\n        fuel-=1;  \n        rocket.direction+=2;\n        } \n    }\nif(rocket.beyond(side)){\n rocket.costumeId = createSprite(\"bomb.png\");\nstop();\n}   \n    if(rocket.touched(platform)){\n     \n    \nif(vx\u003e0.6){\n rocket.costumeId = createSprite(\"bomb.png\");\nstop();\n}\nif(vx\u003e0.6){\n rocket.costumeId = createSprite(\"bomb.png\");\nstop();\n}\n\n\n\nstop();\n}\n\n\n\n\n\n\n\n\n\n\n});\n","created_at":"2018-03-03T18:44:03.997+08:00","updated_at":"2019-10-24T21:49:39.432+08:00","name":"火箭降落","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/23507/89edcce60b8890776f43b51e69f48ea4.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":183,"hashid":"d5msyk62","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}