【正文】 .......................................... 9 研究目的 ........................................................ 9 開發(fā)的可行性 .................................................... 9 操作可行性 ................................................ 9 技術(shù)可行性 ............................................... 10 經(jīng)濟(jì)可行性 ............................................... 10 專業(yè)術(shù)語 ....................................................... 10 條件基礎(chǔ) ....................................................... 10 實(shí)現(xiàn)目標(biāo) ....................................................... 10 可 行性研究方法 ................................................. 10 結(jié)論意見 ....................................................... 11 4 需求分析 ............................................................. 11 研究目的 ....................................................... 11 開發(fā)背景 ....................................................... 11 任務(wù)概述 ....................................................... 12 目標(biāo) ..................................................... 12 用戶特點(diǎn) ................................................. 12 需求規(guī)定 ........................................................ 12 對(duì)功能的規(guī)定 ............................................. 12 對(duì) 性能的規(guī)定 ............................................. 12 要解決的問題 ................................................... 12 提出的要求 ..................................................... 13 可以實(shí)現(xiàn)的要求 ................................................. 13 關(guān)鍵點(diǎn) ......................................................... 13 嵌入式特性 ..................................................... 13 5 貪吃蛇分析 ........................................................... 14 貪吃蛇要求 ..................................................... 14 貪食蛇設(shè)計(jì)思想 ................................................. 14 貪吃蛇游戲功能 ................................................. 14 6 貪吃蛇設(shè)計(jì) ........................................................... 15 系統(tǒng)的輸入輸出 ................................................. 15 輸入 ..................................................... 15 輸出 ..................................................... 15 蛇的移動(dòng) ................................................. 15 設(shè)計(jì)基礎(chǔ) ....................................................... 15 數(shù)據(jù)字典 ....................................................... 15 處理流程 ....................................................... 16 系統(tǒng)的邏輯模型 ................................................. 17 功能與程序的關(guān)系 ............................................... 17 運(yùn)行設(shè)計(jì) ....................................................... 18 運(yùn)行控制 ................................................. 18 運(yùn)行時(shí)間 ................................................. 18 7 貪吃蛇實(shí)現(xiàn) ........................................................... 18 程序系統(tǒng)的組織結(jié)構(gòu) ............................................ 18 每個(gè)模塊的名稱、標(biāo)識(shí)符 ................................... 18 模塊之間的關(guān)系 ........................................... 19 程序描述 ....................................................... 20 目的和意義 ............................................... 20 特點(diǎn)說明 ................................................. 20 程序詳解 ....................................................... 20 構(gòu)造函數(shù) Snake(QWidget *parent) ........................... 20 初始化界面函數(shù) iniWidget() ................................ 21 連接信號(hào)函數(shù) iniConnect() ................................. 23 初始化游戲函數(shù) iniGame() .................................. 23 貪吃蛇移動(dòng)函數(shù) doMoveSnake() .............................. 24 設(shè)置是否可以穿墻函數(shù) setEnableGoThroughWall() ............. 25 更新得分函數(shù) changeScore() ................................ 25 更新等級(jí)函數(shù) changeLevel() ................................ 25 判斷貪吃蛇是否吃到食物函數(shù) isEating() ..................... 25 判斷游戲是否結(jié)束函數(shù) isGameOver() ......................... 26 繪圖事件處理函數(shù) paintEvent(QPaintEvent *event) ........... 27 鍵盤事件處理函數(shù) keyPressEvent(QKeyEvent *event) .......... 27 獲取隨機(jī)顏色函數(shù) getColor() ............................... 28 時(shí)間處理函數(shù) ............................................. 28 右鍵菜單處理函數(shù) ......................................... 29 獲取右鍵菜單槽函數(shù) ....................................... 29 點(diǎn)擊右鍵菜單中 Info的槽函數(shù) .............................. 30 點(diǎn)擊右鍵菜單中 About的槽函數(shù) ............................. 30 程序主函數(shù) ............................................... 30 8 軟件測(cè)試 ............................................................. 32 測(cè)試的意義 ..................................................... 32 測(cè)試過程 ....................................................... 32 測(cè)試計(jì)劃 ....................................................... 32 預(yù)期的結(jié)果 ..................................................... 32 測(cè)試結(jié)果 ....................................................... 33 結(jié)論 .................................................................... 37 參考文獻(xiàn) ................................................................ 38 致謝 .................................................................... 39 外文原文 ................................................................ 40 外文翻譯 ................................................................ 50 緒論 貪吃蛇是世界知名的益智類小游戲，選擇這個(gè)題目一方面的原因是為了將我們的所學(xué)知識(shí)加以運(yùn)用；另一方面，雖然很小就接觸這個(gè)游戲，但是它的制作方法對(duì)我們而言還是很神秘的。 關(guān)鍵詞 Qt；程序設(shè)計(jì)語言 C++； 貪吃蛇 Snake game design and implementation based on Qt 北京郵電大學(xué)畢業(yè)設(shè)計(jì) ii Abstract With the development of the society, the quickening pace of life, people more and more people joined the globalization of the are no longer limited to a small piece of heaven and earth, overtime, travel inevitably a modern a time when a anywhere entertainment game became a is simple, easy to oper