火箭降落副本 | JavaScript 程式專案

{"id":59734,"student_id":1940,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\", \"bomb.png\"]);\nplatform.x = 500;\nplatform.y = 450;\nrocket.x = 100;\nrocket.y = 100;\nrocket.direction = 0;\nvar fuel = 9999999999999999999999999999999999999999\nvar vy = 0.2\nvar vx = 0\nforever(function() {\n    print(\"fuel: \"+ fuel, 10, 10, \"red\", 20);\n    vy += 0.06\n    rocket.y += vy\n    rocket.x += vx\n    rocket.direction = vx*10;\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    if(rocket.touched(platform)){\n        if(vy \u003e1 || vx \u003e 0.6 || vx \u003c -0.6){\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});","created_at":"2019-03-17T13:36:34.436+08:00","updated_at":"2019-09-16T06:58:03.692+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/59734/bf8d417e3082cac20293d0c3b9ebd5f6.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":94,"hashid":"rdvsznn8","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}