生命遊戲（預設版）副本 | JavaScript 程式專案

{"id":678927,"student_id":7022,"content":"var active = false; //是否活躍\nvar clock = 0; //計數器\nvar grid = []; //存放細胞狀態\n\n//初始化二維陣列\nfor (var x = -1; x \u003c 32; x++) {\n    grid[x] = [];\n    for (var y = -1; y \u003c 24; y++) {\n        grid[x][y] = false;\n        // grid[x][y] = Math.random() \u003e 0.5; //隨機產生細胞\n    }\n}\n//點擊格子設定顏色\non('click', function () {\n    var x = Math.floor(cursor.x/20);\n    var y = Math.floor(cursor.y/20);\n    grid[x][y] = !grid[x][y];\n});\n\n//「按一次」空白鍵更新一回合\n//「按住」空白按鍵不斷更新回合\non('keydown', 'space', update);\n\n//將二維陣列繪製在遊戲場景上\nforever(function () {\n    for (var x = 0; x \u003c 32; x ++) {\n        for (var y = 0; y \u003c 24; y ++) {\n            pen.color = '#555';\n            if (grid[x][y] === true) {\n                pen.fillColor = 'white';\n            } else {\n                pen.fillColor = 'black';\n            }\n            pen.drawRect(x*20, y*20, 20, 20);\n            var c = countCells(x, y);\n            //drawText(c, x*20, y*20, '#555');\n        }\n    }\n});\n//更新細胞狀態\nfunction update () {\n\n    var newgrid = [];\n    for (var x = 0; x \u003c 32; x++) {\n        newgrid[x] = [];\n        for (var y = 0; y \u003c 24; y++) {\n            newgrid[x][y] = grid[x][y];\n            var c = countCells(x, y);\n            if (grid[x][y]) {\n                if (c \u003c 2 || c \u003e 3) newgrid[x][y] = false\n            } else {\n                if (c == 3)newgrid[x][y] = true\n            }\n        }\n    }\n    grid = newgrid;\n};\n\n//計算 x, y 格子周圍存活的細胞個數\nfunction countCells (x, y) {\n\n    var cnt = 0;\n    if (grid[x+1] \u0026\u0026 grid[x+1][y+1]) cnt++;\n    if (grid[x-1] \u0026\u0026 grid[x-1][y-1]) cnt++;\n    if (grid[x] \u0026\u0026 grid[x][y-1]) cnt++;\n    if (grid[x+1] \u0026\u0026 grid[x+1][y-1]) cnt++;\n    if (grid[x-1] \u0026\u0026 grid[x-1][y]) cnt++;\n    if (grid[x+1] \u0026\u0026 grid[x+1][y]) cnt++;\n    if (grid[x-1] \u0026\u0026 grid[x-1][y+1]) cnt++;\n    if (grid[x] \u0026\u0026 grid[x][y+1]) cnt++;\n    return cnt;\n}","created_at":"2024-01-14T13:58:07.658+08:00","updated_at":"2024-01-14T14:35:28.867+08:00","name":"生命遊戲（預設版） 副本","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/678927/657d2e3ebc444a7fc2af54231ae247f9.jpg"},"parent_id":183396,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":36,"hashid":"882sn3d38","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}