貪食蛇AI v2 | JavaScript Programming Project | OrangeApple Learning Platform

{"id":134364,"student_id":10,"content":"\n\nforever(function(){\n\n    for (var x = 0; x \u003c 32; x++) {\n        for (var y = 0; y \u003c 24; y++) {\n            var c = maze[x][y]\n            if (c !== food) c.color = 'white';\n        }\n    }\n    \n    var arr = [];\n    arr.push({x: x, y: y});\n    \n    while(arr.length \u003e 0) {\n        var pos = arr.shift();\n        var x = pos.x;\n        var y = pos.y;\n        var c = maze[x][y];\n        \n        if (maze[pos.x][pos.y] == food) break;\n        \n        if (y \u003e 1 \u0026\u0026 maze[x][y - 1].color == 'white' \u0026\u0026 c.up) {\n            maze[x][y - 1].color = 'lightblue';\n            maze[x][y - 1].from = c;\n            arr.push({x: x, y: y - 1});\n        }\n        \n        if (y \u003c 23 \u0026\u0026 maze[x][y + 1].color == 'white' \u0026\u0026 c.down) {\n            maze[x][y + 1].color = 'lightblue';\n            maze[x][y + 1].from = c;\n            arr.push({x: x, y: y + 1});\n        }\n        \n        if (x \u003e 1 \u0026\u0026 maze[x - 1][y].color == 'white' \u0026\u0026 c.left) {\n            maze[x - 1][y].color = 'lightblue';\n            maze[x - 1][y].from = c;\n            arr.push({x: x - 1, y});\n        }\n        \n        if (x \u003c 31 \u0026\u0026 maze[x + 1][y].color == 'white' \u0026\u0026 c.right) {\n            maze[x + 1][y].color = 'lightblue';\n            maze[x + 1][y].from = c;\n            arr.push({x: x + 1, y});\n        }\n        \n    }\n    \n    var tmp = food;\n    while(tmp.from) {\n        tmp = tmp.from;\n        tmp.color = 'yellow';\n        if (tmp == body[0]) break;\n    }\n    \n    if (maze[x][y - 1].color == 'yellow') direction = 'up';\n    if (maze[x][y + 1].color == 'yellow') direction = 'down';\n    if (maze[x + 1][y].color == 'yellow') direction = 'left';\n    if (maze[x - 1][y].color == 'yellow') direction = 'right';\n\n})","created_at":"2020-03-20T10:49:09.819+08:00","updated_at":"2020-03-20T12:05:11.340+08:00","name":"貪食蛇AI v2","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/134364/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":134320,"plugin":"// // noprotect\n// setBackdrop(\"black\");\n\n// var grid = {}\n// var width = 32;\n// var height = 24;\n\n// for (var x = -1; x \u003c= width; x++) {\n//     grid[x] = {};\n//     for (var y = -1; y \u003c= height; y++) {\n//         grid[x][y] = {\n//             color: 'white',\n//             steps: 0,\n//             from: undefined,\n//             x,\n//             y,\n//         }\n//     }\n// }\n\n// for (var x = 0; x \u003c width; x++) {\n//     grid[x][-1] = grid[x][height - 1]\n//     grid[x][height] = grid[x][0]\n// }\n\n// for (var y = 0; y \u003c height; y++) {\n//     grid[-1][y] = grid[width - 1][y]\n//     grid[width][y] = grid[0][y]\n// }\n\n// for (var x = 0; x \u003c width; x++) {\n//     for (var y = 0; y \u003c height; y++) {\n//         grid[x][y].up = grid[x][y - 1];\n//         grid[x][y].down = grid[x][y + 1];\n//         grid[x][y].left = grid[x - 1][y];\n//         grid[x][y].right = grid[x + 1][y];\n//     }\n// }\n\n\n\n// var body = []\n// var direction = 'right';\n// var clock = 0;\n// var food = grid[5][5];\n\n// body.push(grid[9][0]);\n// body.push(grid[8][0]);\n// body.push(grid[7][0]);\n// body.push(grid[6][0]);\n// body.push(grid[5][0]);\n// body.push(grid[4][0]);\n// body.push(grid[3][0]);\n// body.push(grid[2][0]);\n// body.push(grid[1][0]);\n// body.push(grid[0][0]);\n\n// forever(function() {\n\n//     for (var x = 0; x \u003c width; x++) {\n//         for (var y = 0; y \u003c height; y++) {\n//             var c = grid[x][y];\n//             pen.fillColor = c.color;\n//             pen.drawRect(c.x*20, c.y*20, 20, 20);\n//         }\n//     }\n\n\n//     // setBackdrop(\"black\");\n//     body.forEach(function (b) {\n//         // pen.fillColor = 'black';\n//         // pen.drawRect(b.x*20, b.y*20, 20, 20);\n//         b.color = 'black';\n//     });\n\n//     pen.fillColor = 'red';\n//     pen.drawRect(food.x*20, food.y*20, 20, 20);\n\n//     if (key.up) direction = 'up';\n//     if (key.down) direction = 'down';\n//     if (key.left) direction = 'left';\n//     if (key.right) direction = 'right';\n\n//     clock++;\n//     if (clock%2 == 0) {\n//         body.pop();\n//         if (direction == 'up') body.unshift(body[0].up);\n//         if (direction == 'down') body.unshift(body[0].down);\n//         if (direction == 'left') body.unshift(body[0].left);\n//         if (direction == 'right') body.unshift(body[0].right);\n\n//         if (body[0] === food) {\n//             body.unshift(food);\n//             var randX = Math.floor(Math.random()*32);\n//             var randY = Math.floor(Math.random()*24);\n//             food = grid[randX][randY];\n//         }\n//     }\n\n\n// })\n\n\nvar maze = {};\nvar width = 20;\nvar row = 640/width;\nvar col = 480/width;\n\nvar x = 8;\nvar y = 5;\nvar direction = 'right';\nvar body = [];\n\n(function () {\n    for (var x = 0; x \u003c row; x++) {\n        maze[x] = {};\n        for (var y = 0; y \u003c col; y++) {\n            maze[x][y] = {\n                color: '#ffffff',\n                up: true,\n                right: true,\n                down: true,\n                left: true\n            };\n        }\n    }\n\n    forever(function() {\n        for (var cx = 0; cx \u003c row; cx++) {\n            for (var cy = 0; cy \u003c col; cy++) {\n\n                var cell = maze[cx][cy];\n                pen.size = 0.001;\n                pen.fillColor = cell.color;\n                pen.drawRect(cx*width, cy*width, width, width);\n\n                pen.size = 1;\n                var x = cx*width;\n                var y = cy*width;\n                if (!cell.up) pen.drawLine(x, y, x + width, y);\n                if (!cell.right) pen.drawLine(x + width, y, x + width, y + width);\n                if (!cell.down) pen.drawLine(x, y + width, x + width, y + width);\n                if (!cell.left) pen.drawLine(x, y + width, x, y);\n            }\n        }\n    });\n\n    body = [maze[5][5], maze[6][5], maze[7][5], maze[8][5]];\n    body.forEach(function (b) {\n        b.up = false;\n        b.down = false;\n        b.left = false;\n        b.right = false;\n    });\n\n})();\n\nvar food = maze[20][20];\nfood.color = 'red';\n\n\nvar clock = 0;\nforever(function () {\n    \n    \n    \n    clock++;\n    if (clock % 10 !== 0) return;\n\n    if (direction == 'up') y--;\n    if (direction == 'down') y++;\n    if (direction == 'left') x--;\n    if (direction == 'right') x++;\n    \n    if (x \u003e= 32) x -= 32;\n    if (y \u003e= 24) y -= 24;\n    if (x \u003c 0) x += 32;\n    if (y \u003c 0) y += 24;\n    \n    maze[x][y].up = false;\n    maze[x][y].down = false;\n    maze[x][y].left = false;\n    maze[x][y].right = false;\n\n    body.push(maze[x][y]);\n    \n    if (food == maze[x][y]) {\n        body.push(maze[x][y]);\n        food.color = 'white';\n        \n        var randX = Math.floor(Math.random()*32);\n        var randY = Math.floor(Math.random()*24);\n        food = maze[randX][randY]\n        food.color = 'red';\n    }\n    \n    var tail = body.shift();\n    tail.up = true;\n    tail.down = true;\n    tail.right = true;\n    tail.left = true;\n})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":419,"hashid":"npmsvyvr","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}