下雪 | JavaScript 程式專案

{"id":238246,"student_id":10,"content":"setBackdrop(\"black\"); //設定背景圖\nlet koding = createSprite('koding.png'); //創造叩叮\nlet balls = []; //存放雪球的陣列\nkoding.y = 600;\n\n// 創造 1000 個雪球\nlet i = 0;\nwhile (i \u003c 1000) {\n    let b = createSprite('ball.png');\n    b.x = Math.random() * 1200;\n    b.y = Math.random() * 900;\n    b.opacity = Math.random();\n    b.scale = Math.random();\n    balls.push(b);\n    i++;\n}\n\nfunction gameloop () {\n    // let i = 0;\n    // while (i \u003c 1000) {\n    for(let i=0; i\u003c1000; i++) {\n        let b = balls[i];\n        b.x += 2;\n        b.y += 3;\n        if (b.y \u003e 900) {\n            b.y = 0;\n        }\n        if (b.x \u003e 1200) {\n            b.x = 0;\n        }\n    }\n}\n\nforever(gameloop); //重複不斷執行遊戲迴圈","created_at":"2021-03-26T09:28:14.315+08:00","updated_at":"2021-03-26T11:41:04.322+08:00","name":"下雪","language":"javascript","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/238246/10a1e843ec4a7e2e7ca5a10ee1aee50e.jpg"},"parent_id":2,"plugin":"Game.set({width: 1200, height: 900})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":196,"hashid":"gk4sk8v5k","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}