snakeAI | JavaScript Programming Project | OrangeApple Learning Platform

{"id":298475,"student_id":10,"content":"Game.set({ width: 1200, height: 900 })\nsetBackdrop('black')\n\nvar numbers = []\nvar grid = []\nlet clock = 0\nlet food = {}\nlet direction = 90\nlet bodies = [\n    { x: 14, y: 10 },\n    { x: 13, y: 10 },\n    { x: 12, y: 10 },\n    { x: 11, y: 10 },\n    { x: 10, y: 10 },\n]\n\nfood.x = Math.floor(Math.random() * 40)\nfood.y = Math.floor(Math.random() * 30)\n\nfor (let x = 0; x \u003c 40; x++) {\n    grid[x] = []\n    numbers[x] = []\n    for (let y = 0; y \u003c 30; y++) {\n        grid[x][y] = ''\n        numbers[x][y] = -1\n    }\n}\n\non('keydown', 'space', expend)\n\nfunction gameloop () {\n    \n    if (key.up) direction = 0\n    if (key.down) direction = 180\n    if (key.left) direction = 270\n    if (key.right) direction = 90\n    \n    clock++\n    bodies.forEach(b =\u003e {\n        pen.fillColor = 'green'\n        pen.drawRect(b.x * 30, b.y * 30, 30, 30)\n    })\n    \n    pen.fillColor = 'red'\n    pen.drawRect(food.x * 30, food.y * 30, 30, 30)\n    \n    if (clock % 1 == 0) {\n        let tail = bodies.pop()\n        let head = bodies[0]\n        \n        if (grid[head.x][head.y] !== '') direction = grid[head.x][head.y]\n        \n        let headNumber = numbers[head.x][head.y]\n        let tailNumber = numbers[tail.x][tail.y]\n        let foodNumber = numbers[food.x][food.y]\n        \n        if (head.y \u003e 0) {\n            let nextNum = numbers[head.x][head.y - 1]\n            if (isValid(headNumber, tailNumber, foodNumber, nextNum)) {\n                direction = 0\n            }\n        }\n        \n        if (head.y \u003c 29) {\n            let nextNum = numbers[head.x][head.y + 1]\n            if (isValid(headNumber, tailNumber, foodNumber, nextNum)) {\n                direction = 180\n            }\n        }\n        \n        if (head.x \u003e 0) {\n            let nextNum = numbers[head.x - 1][head.y]\n            if (isValid(headNumber, tailNumber, foodNumber, nextNum)) {\n                direction = 270\n            }\n        }\n        \n        if (head.x \u003e 39) {\n            let nextNum = numbers[head.x + 1][head.y]\n            if (isValid(headNumber, tailNumber, foodNumber, nextNum)) {\n                direction = 90\n            }\n        }\n        \n        \n        tail.x = bodies[0].x\n        tail.y = bodies[0].y\n        \n        if (direction === 0) tail.y -= 1\n        if (direction === 90) tail.x += 1\n        if (direction === 180) tail.y += 1\n        if (direction === 270) tail.x -= 1\n        bodies.unshift(tail)\n        \n        if (tail.x === food.x \u0026\u0026 tail.y === food.y) {\n            bodies.push({ x: food.x, y: food.y })\n            food.x = Math.floor(Math.random() * 38) + 1\n            food.y = Math.floor(Math.random() * 28) + 1\n            \n            // AI()\n        }\n    }\n    \n    for (let x = 0; x \u003c 40; x++) {\n        for (let y = 0; y \u003c 30; y++) {\n            pen.color = 'white'\n            if (grid[x][y] === 0) pen.drawLine(x * 30 + 15, y * 30 + 15, x * 30 + 15, y * 30 - 15 )\n            if (grid[x][y] === 90) pen.drawLine(x * 30 + 15, y * 30 + 15, x * 30 + 45, y * 30 + 15)\n            if (grid[x][y] === 180) pen.drawLine(x * 30 + 15, y * 30 + 15, x * 30 + 15, y * 30 + 45)\n            if (grid[x][y] === 270) pen.drawLine(x * 30 + 15, y * 30 + 15, x * 30 - 15, y * 30 + 15)\n            \n\n            pen.drawText(numbers[x][y], x*30, y*30, 10, 'red')\n        }\n    }\n\n}\n\nforever(gameloop)\n\n// AI()\nexpend()\n\nfunction isValid (headNum, tailNum, foodNum, nextNum) {\n    if (headNum \u003e tailNum) {\n        if (nextNum \u003c headNum \u0026\u0026 nextNum \u003e tailNum) return false\n    } else {\n        if (nextNum \u003c headNum || nextNum \u003e tailNum) return false\n    }\n    \n    if (headNum \u003e foodNum) {\n        if (nextNum \u003c headNum \u0026\u0026 nextNum \u003e foodNum) return false\n    } else {\n        if (nextNum \u003c headNum || nextNum \u003e foodNum) return false\n    }\n    \n    return true\n}\n\n\nfunction AI () {\n    \n    for (let x = 0; x \u003c 40; x++) {\n        for (let y = 0; y \u003c 30; y++) {\n            grid[x][y] = ''\n        }\n    }\n    var arr = [food]\n    \n    grid[food.x][food.y] = 0\n    \n    while (arr.length \u003e 0) {\n        var pos = arr.shift()\n        \n        if (pos.y \u003c 29 \u0026\u0026 grid[pos.x][pos.y + 1] === '' \u0026\u0026 !bodies.some(p =\u003e p.x === pos.x \u0026\u0026 p.y === pos.y + 1)) {\n            grid[pos.x][pos.y + 1] = 0\n            arr.push({ x: pos.x, y: pos.y + 1 })\n        }\n        if (pos.y \u003e 0 \u0026\u0026 grid[pos.x][pos.y - 1] === '' \u0026\u0026 !bodies.some(p =\u003e p.x === pos.x \u0026\u0026 p.y === pos.y - 1)) {\n            arr.push({ x: pos.x, y: pos.y - 1 })\n            grid[pos.x][pos.y - 1] = 180\n        }\n        if (pos.x \u003c 39 \u0026\u0026 grid[pos.x + 1][pos.y] === '' \u0026\u0026 !bodies.some(p =\u003e p.x === pos.x + 1 \u0026\u0026 p.y === pos.y)) {\n            arr.push({ x: pos.x + 1, y: pos.y})\n            grid[pos.x + 1][pos.y] = 270\n        }\n        if (pos.x \u003e 0 \u0026\u0026 grid[pos.x - 1][pos.y] === '' \u0026\u0026 !bodies.some(p =\u003e p.x === pos.x - 1 \u0026\u0026 p.y === pos.y)) {\n            arr.push({ x: pos.x - 1, y: pos.y})\n            grid[pos.x - 1][pos.y] = 90\n        }\n        \n    }\n}\n\n\n\n// grid[0][0] = 90\n// grid[1][0] = 180\n// grid[1][1] = 270\n// grid[0][1] = 0\n\n\n\n\nfunction expend () {\n    for (let x = 0; x \u003c 40; x++) {\n        for (let y = 0; y \u003c 30; y++) {\n            if (y === 0) {\n                if (x === 39) grid[x][y] = 180\n                else grid[x][y] = 90\n            } else {\n                if (x % 2 == 0) grid[x][y] = 0\n                else grid[x][y] = 180\n            }\n            \n            if (y == 1 \u0026\u0026 x % 2 == 0 \u0026\u0026 x != 0) grid[x][y] = 270\n            if (y == 29 \u0026\u0026 x % 2 == 1 \u0026\u0026 x != 0) grid[x][y] = 270\n        }\n    }\n    \n    let pos = { x: 0, y: 0 }\n    for (let i = 0; i \u003c 30*40; i++) {\n        numbers[pos.x][pos.y] = i\n        pos = nextBlock(pos.x, pos.y)\n    }\n}\n\n\nfunction nextBlock (x, y) {\n    let p = grid[x][y]\n    if (p === 0) return { x, y: y - 1 }\n    if (p === 90) return { x: x + 1, y }\n    if (p === 180) return { x, y: y + 1 }\n    if (p === 270) return { x: x - 1, y }\n}\n\n","created_at":"2021-09-19T23:13:11.415+08:00","updated_at":"2024-01-15T23:16:15.095+08:00","name":"snakeAI","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/298475/cddb66bf088c39d6d57b79fba6e13b4b.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":355,"hashid":"kdms64y5j","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}