火箭降落 | JavaScript 程式專案

{"id":14159,"student_id":130,"content":"setBackdrop('bg.jpg');\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\", \"bomb.png\"]);\nvar fuel\nrocket.x = 50;\nrocket.y = 50;\nplatform.x = 500;\nplatform.y = 450;\nfuel = 500\nvar vx = 0;\nvar vy = 0;\n\nforever(function () {\nif(rocket.x\u003e640||rocket.y\u003e480)\nif(vx\u003e0.6||vy\u003e0.6){\n    rocket.costumeid=1;\n}\n    fuel -= 1\n    if (fuel.up) {\n        if (key.up) {\n            vy -= 1\n        }\n        if (key.left) {\n            vx += 2\n        }\n        if (key.right)\n    }\n    vx -= 1\n    vy = vy = 0.1;\n    rocket.y = rocket.y + vy;\n    rocket.x = rocket.x = vx;\n    rocket,direction =vx*5\n    print(fuel, 30, 30, 'red', 30)\n});\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-12T03:32:01.612+08:00","name":"火箭降落","language":"javascript","screenshot":{"url":"https://cdn7.koding.school/uploads/project/screenshot/14159/a395445a0645a31c4ed0078028278e9f.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":103,"hashid":"meyswz6g","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}