生命遊戲（預設版）副本 | JavaScript 程式專案

{"id":187538,"student_id":3647,"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;\n    }\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\u003c24; y++) {\n            pen.color='#555';\n            if (grid[x][y]===true) {\n               pen.fillColor='white';\n            }else{\n                pen.fillColor='black';\n                \n            }\n            pen.drawRect(x*20,y*20,20,20);\n            //var c=countCells(x,y);\n            //drawTextt(c,x*20,y*20,'#555');\n        }\n    }\n});\n\n//更新細胞狀態\nfunction update () {\n    var newgrid=[];\n    for (var x = 0; x \u003c 32; x++) {\n        newgrid[x]=[];\n        for (var y = 0; y \u003c24 ; y++) {\n            newgrid[x][y]=grid[x][y];\n            var c=countCells(x,y);\n            if (grid[x][y]) {\n                if (c\u003c2||c\u003e3) {\n                  newgrid[x][y]=false;\n                }else{\n                    if (c==3)newgrid[x][y]=true;\n            \n                  \n                }\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    var count=0;\n    if (grid[x+1]\u0026\u0026grid[x+1][y-1])count++;\n    if (grid[x+0]\u0026\u0026grid[x+0][y-1])count++;\n    if (grid[x-1]\u0026\u0026grid[x-1][y-1])count++;\n    if (grid[x+1]\u0026\u0026grid[x+1][y+0])count++;\n    if (grid[x-1]\u0026\u0026grid[x-1][y+0])count++;\n    if (grid[x+1]\u0026\u0026grid[x+1][y+1])count++;\n    if (grid[x+0]\u0026\u0026grid[x+0][y+1])count++;\n    if (grid[x-1]\u0026\u0026grid[x-1][y+1])count++;\n    return count;\n    \n\n}\n","created_at":"2020-08-29T19:36:23.650+08:00","updated_at":"2020-08-29T20:46:01.648+08:00","name":"生命遊戲（預設版） 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/187538/93febd64b24e24894ff0dfff0e35074e.jpg"},"parent_id":183396,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":98,"hashid":"meysrggn","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}