火箭降落副本 | JavaScript 程式專案

{"id":500070,"student_id":26492,"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;\n\n\nplatform.x = 500;\nplatform.y = 450;\nrocket.x = 50;\nrocket.y = 50;\nrocket.direction = 0;\n\nforever(function() {\n    rocket.y += vy;\n    rocket.x += vx;\n    rocket.direction = vx * 10\n    if(rocket.touched(platform)){\n        if(vy \u003e 1){\n            rocket.costumeId = 1;\n        }\n        if(rocket.direction \u003e 6 ||rocket.direction \u003c -6){\n            rocket.costumeId = 1;\n        }\n        stop();\n    }\n    if(rocket.y\u003c0 || rocket.y\u003e480 || rocket.x\u003c0 || rocket.x\u003e640){\n        rocket.costumeId = 1;\n        stop();\n    }\n    if(fuel \u003e 0){\n        if(key.up){\n            vy -=0.1;\n            fuel -= 1;\n        }    \n        if(key.right){\n            vx += 0.1;\n            fuel -= 1;\n        }\n        if(key.left){\n            vx -= 0.1;\n            fuel -= 1;\n        }\n    }\n        \n    vy +=0.06;\n    \n    print(\"fuel: \"+ fuel, 10, 10, \"red\", 20)\n    \n});\n","created_at":"2023-02-28T19:00:20.503+08:00","updated_at":"2023-02-28T20:17:38.733+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/500070/1199f5d9fec3a643ef77f1f384f3f48a.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":8,"hashid":"meys6zr3d","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}