火箭降落副本 | JavaScript 程式專案

{"id":61166,"student_id":228,"content":"setBackdrop('bg.jpg');\nvar fuel = 5000;\nvar vx = 0;\nvar vy = 0;\nvar platform = createSprite(\"platform.png\");\nvar rocket = createSprite([\"rocket.png\",\"bomb.png\"]);\nrocket.direction = 0 ;\nrocket.x = 50;\nrocket.y = 50;\nplatform.x = 360;\nplatform.y = 240;\nforever(function() {\n    rocket. direction = vx;\n    print(fuel, 30 , 30 , 'red' , 30);\n    vy = vy +0.06;\n    rocket.x = rocket.x + vx;\n    rocket.y = rocket.y + vy;\n    \n    if (fuel\u003e0) {\n     if (key.up) {\n        vy = vy - 0.1;\n        fuel= fuel -1;\n    }\n    if (key.left) {\n        vx = vx - 0.1;\n        fuel= fuel -1;\n    }\n    if (key.right) {\n        vx = vx + 0.1;\n        fuel= fuel -1;\n    }   \n    }\n    if (rocket.x \u003c0 ||rocket.x \u003e640) {\n        rocket.costumeId = 1;\n        stop(); \n        }\n    if (rocket.y \u003c0 || rocket.y \u003e480) {\n        rocket.costumeId = 1;\n        stop(); \n        }\n    /*\n    //var a = true\n    //var b = true\n    //if (a) {\n      //  if (b) {\n        //    print ('a和b 都是真的')\n    //    }\n        \n    //}*/\n    if (rocket.touched(platform)) {\n        if (rocket.y \u003e platform.y) {\n        rocket.costumeId = 1;\n        stop(); \n        }\n        if (rocket.x \u003c platform.x) {\n        rocket.costumeId = 1;\n        stop(); \n        }\n        if (vy\u003e1000 || vx\u003e1000 || vx\u003c1000) {\n            rocket.costumeId = 1;\n            stop(); \n        }\n    }\n });","created_at":"2019-03-30T13:32:41.322+08:00","updated_at":"2019-08-10T15:11:41.620+08:00","name":"火箭降落 副本","language":"javascript","screenshot":{"url":"https://cdn6.koding.school/uploads/project/screenshot/61166/dcf53b2fa092fb307916271820f0345d.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":114,"hashid":"meysqe88","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}