火箭降落 | JavaScript 程式專案

{"id":23462,"student_id":86,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nvar vx = 0;\nvar vy = 0;\nvar fuel = 500;\nrocket.x = 50;\nrocket.y = 50;\nplatform.x = 500;\nplatform.y = 450;\n\nforever(function() {\n    if (rocket.x \u003c 0 || rocket.x \u003e 640 || rocket.y \u003c 0 || rocket.y \u003e 480) {\n        rocket.costumeId = 1;\n        stop();\n    }\n    print(fuel, 30, 30, 'red', 30);\n    rocket.direction = vx * 10;\n    if (rocket.touched(platform)) {\n        if (vx \u003e 1.5 || vy \u003e 1.5) {\n        rocket.costumeId = 1;\n        stop();\n        } else {\n            forever(function() {\n            print('WIN!!', 320, 240, 'white', 100)\n            stop();\n            });\n        }\n        }\n    if (fuel \u003e 0) {\n        if (key.up) {\n        vy -= 0.2;\n        fuel -= 1;\n    }\n    if (key.left) {\n        vx -= 0.1;\n        fuel -= 1\n    }\n    if (key.right) {\n        vx += 0.1;\n        fuel -= 1;\n    }\n    }\n    \n    vy += 0.06;\n    rocket.y += vy;\n    rocket.x += vx;\n});","created_at":"2018-03-03T16:18:15.286+08:00","updated_at":"2019-05-24T22:56:55.418+08:00","name":"火箭降落","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/23462/984b05711473b7e51c0f3c28e1a82313.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":92,"hashid":"zpesre83","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}