降落火箭 - 開始後用滑鼠點擊舞台以啟用按鍵，重整畫面即可重新遊戲。 | JavaScript 程式專案

{"id":503847,"student_id":2589,"content":"","created_at":"2023-03-09T12:19:14.759+08:00","updated_at":"2023-03-09T13:43:59.697+08:00","name":"降落火箭 - 開始後用滑鼠點擊舞台以啟用按鍵，重整畫面即可重新遊戲。","language":"javascript","screenshot":{"url":null},"parent_id":2,"plugin":"setBackdrop('bg.jpg');\n\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nvar fire = createSprite(\"fire.png\");\nfire.scale = 0.7;\n\nforever(function() {\n\tfire.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((key.up || key.left || key.right) \u0026\u0026 fuel\u003e0) {\n    \tfire.hidden = false;\n    } else {\n        fire.hidden = true;\n    }\n    if(rocket.touched(platform)) {\n        fire.hidden = true;\n    }\n});\n\n\nplatform.y = 450;\nplatform.x = 500;\nrocket.y = 50;\nrocket.x = 50;\n\nvar vx = 0;\nvar vy = 0;\nvar fuel = 500;\n\nforever(function() {\n    if(rocket.touched(platform)) {\n        if(vy \u003e 0.8 || vx \u003e 0.6 || vx \u003c -0.6) {\n        \trocket.costumeId = 1;\n        }\n        stop();\n    }\n    if(fuel \u003e 0) {\n        if(key.up) {\n            vy -= 0.1;\n            fuel -= 1;\n        }\n        if(key.left) {\n            vx -= 0.1;\n            fuel -= 1;\n        }\n        if(Game.key.right) {\n            vx += 0.1;\n            fuel -= 1;\n        }\n    }\n    vy += 0.06;\n    rocket.y += vy;\n    rocket.x += vx;\n    rocket.direction = vx * 10;\n    print('fuel: ' + fuel, 10, 10, 'red', 20);\n});\n\n\n\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":82,"hashid":"ej9s9gkpm","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}