基于Freescale、三轴加速度传感器、LCD的贪食蛇游戏设计.doc

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//说明：该程序是基于freescale MCU、三轴加速度传感器、ili9320 LCD所写的贪食蛇游 //戏，上传代码拥有全部的设计思路以及大部分函数主体 //================================================================= // 宏定义按键 //================================================================= #define Key_Up 1 #define Key_Down 4 #define Key_Left 2 #define Key_Right 3 #define uchar unsigned char //================================================================= // 使用结构体定义变量使程序的名称更加的清楚 //================================================================= struct { uchar X; uchar Y; uchar Yes; }Food; //食物结构体 #define SNAKE_Max_Long 20 //最大长度 struct { uchar X[SNAKE_Max_Long]; uchar Y[SNAKE_Max_Long]; uchar Long; uchar Life; uchar Score; //蛇的分数 uchar Level; //蛇的等级 }Snake; //蛇结构体 uchar Key_V_temp=0; //取出上次按键值 uchar Key_Value=0; static int l=0; static uint16 KEY_Init[3]={0,0,0}; static uint16 KEY_BASE[3]={0,0,0}; score[20]={"0","10","20","30","40","50","60","70","80","90","100","110","120","130","140","150","160","170","180","190"}; int level[20]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; static const byte Channels[] = {13,14,15}; /* Contents for the device control register */ static word MMA_7260_OutV[3]; static byte SumChan; static byte OutFlg; void MMA_7260_Init_3(void) { OutFlg = FALSE; /* No measured value */ /* ATD0CTL4: SMP2=0,SMP1=0,SMP0=0,PRS4=0,PRS3=0,PRS2=1,PRS1=0,PRS0=1 */ ATD0CTL4 = 5; /* Set sample time and prescaler */ /* ATD0CTL3: DJM=0,S8C=0,S4C=0,S2C=0,S1C=1,FIFO=0,FRZ1=0,FRZ0=0 */ ATD0CTL3 = 8; /* Set ATD control register 3 */ /* ATD0CTL0: ??=0,??=0,??=0,??=0,WRAP3=1,WRAP2=1,WRAP1=1,WRAP0=1 */ ATD0CTL0 = 15; /* Set wrap around */ /* ATD0CTL1: ETRIGSEL=0,SRES1=1,SRES0=0,SMP_DIS=1,ETRIGCH3=1,ETRIGCH2=1,ETRIGCH1=1,ETRIGCH0=1 */ ATD0CTL1 = 95; /* Set resolution and discharge */ /* ATD0CTL2: ??=0,AFFC=1,ICLKSTP=0,ETRIGLE=0,ETRIGP=0,ETRIGE=0,ASCIE=0,ACMPIE=0 */ ATD0CTL2 = 64; /* Set ATD control register 2 */ } //----------------------------------------------------- static void MMA_7260_Measure_3(void) { for (SumChan=0; SumChan<3; SumChan++) { ATD0CTL5 = Channels[SumChan]; /* Start measurement of next channel */ while (!ATD0STAT0_SCF) {} /* Wait for AD conversion complete */ MMA_7260_OutV[SumChan] = ATD0DR0; /* Save measured value */ } OutFlg = TRUE; /* Measured values are available */ } //----------------------------------------------------- byte MMA_7260_GetValue16_3(word *Values) { if (!OutFlg) { /* Is measured value(s) available? */ return 0; /* If no then error */ } /* Note: Next 4 lines are speed optimized */ *Values++ = MMA_7260_OutV[0]; /* Save measured values to the output buffer */ *Values++ = MMA_7260_OutV[1]; /* Save measured values to the output buffer */ *Values++ = MMA_7260_OutV[2]; /* Save measured values to the output buffer */ OutFlg = FALSE; return 1; /* OK */ } //================================================================= ////////////////////////贪食蛇游戏///////////////////////////////// //================================================================= //函数名称：Trun_On_Point Trun_Off_Point (uchar x,uchar y) //函数功能：点亮或者熄灭一个点。用于显示蛇身体 //入口参数：无 //出口参数：无 //特别说明：此 Trun_On，函数换成其他的就可以兼容其他的液晶 // 入8*8 点阵 12864 等 //================================================================= void Trun_On_Point (uchar x,uchar y,uchar color) { ili9320_Rectangle((4*(x+2)),(4*(y+2)),(4*(x+3)),(4*(y+3)),color,color); //Bar((4*(x+2)),(4*(y+2)),(4*(x+3)),(4*(y+3)),color); } void Trun_Off_Point (uchar x,uchar y) { ili9320_Rectangle((4*(x+2)),(4*(y+2)),(4*(x+3)),(4*(y+3)),0xFFFF,0xFFFF); } //================================================================= //函数名称：void Init_SNAKE(void) //函数功能：绘制游戏界面，初始化游戏等级等参数 //入口参数：无 //出口参数：无 //================================================================= void Init_SNAKE(void) { uchar i; //***********获取方向基准********************// MMA_7260_Init_3(); MMA_7260_Measure_3(); MMA_7260_GetValue16_3(&KEY_BASE); //以下语句可以通过串口检验三轴加速度数据 /* if(Flag) { printp(" Get X Channel: %10D",KEY_BASE[0]); printp(" Get Y Channel: %10D",KEY_BASE[1]); printp(" Get Z Channel: %10D",KEY_BASE[2]); } */ //***********绘制游戏界面********************// ili9320_Rectangle(4, 4, 166, 206,0,0); ili9320_Rectangle(5, 5, 167, 207,0,0); ili9320_Rectangle(6, 6, 168, 208,0,0); ili9320_Rectangle(5, 5, 169, 209,0,0); ili9320_Rectangle(7, 7, 167, 207,0xFFFF,0xFFFF);//绘制一个矩形框,160*240 ili9320_Write_multi_HZ_ASCII(167+10,32,32,32,"少女32.FON","少符32.FON","07电信一",0xF800); ili9320_Write_multi_HZ_ASCII(167+10,66,32,32,"少女32.FON","少符32.FON","郑友金",0xF800); ili9320_Write_multi_HZ_ASCII(167+10,100,32,32,"少女32.FON","少符32.FON","贪食蛇",0xF800); //***********初始化蛇参数********************// Snake.Long=2; //定义初始化蛇的长度 Snake.Life=0; //初始化蛇还活着 Snake.Score=0; Food.Yes=1; Key_Value=0; for(i=0;i<Snake.Long;i++) //将蛇给赋值 { Snake.X[i]=i+10; Snake.Y[i]=10; } for(i=0;i<Snake.Long;i++) //将蛇给画出来 { Trun_On_Point(Snake.X[i],Snake.Y[i],0); } } //================================================================= //函数名称：void Display_dead(uchar i) //函数功能：显示死亡界面 //入口参数：无 //出口参数：无 //================================================================= void Display_dead(uchar i) { l=0; Snake.Level=0; ili9320_Text(7+30,7+40,"GAME OVER",9,0,0xffff); ili9320_Delay(3000); Init_SNAKE(); } //================================================================= //函数名称：void Display_Pass(uchar i) //函数功能：显示过关界面 //入口参数：无 //出口参数：无 //================================================================= void Display_Pass(uchar i) { l++; Snake.Level++; ili9320_Text(7+30,7+40,"YOU WIN",7,0,0xffff); ili9320_Delay(3000); Init_SNAKE(); } //================================================================= //函数名称：void Display_finish(uchar i); //函数功能：显示通关界面 //入口参数：无 //出口参数：无 //================================================================= void Display_finish(uchar i) { l=0; Snake.Level=0; ili9320_Text(7+30,7+40,"YOU WIN",7,0,0xffff); ili9320_Text(7+30,7+80,"GAME FINISHED",13,0,0xffff); ili9320_Delay(4000); Init_SNAKE(); } //================================================================= //函数名称：void Run_SNAKE(void) //函数功能：蛇运动函数 //入口参数：无 //出口参数：无 //================================================================= void Run_SNAKE(void) { /*********************采用扫描MMA_7260方式确立方向*******************/ uchar i=0; uint16 KEY_Init[4]={0,0,0,0}; //***********获取方向基准********************// MMA_7260_Init_3(); MMA_7260_Measure_3(); MMA_7260_GetValue16_3(&KEY_Init); //以下语句可以通过串口检验三轴加速度数据 /* if(Flag) { printp(" Get X1 Channel: %10D",KEY_Init[0]); printp(" Get Y1 Channel: %10D",KEY_Init[1]); printp("Get Z1 Channel: %10D",KEY_Init[2]); printp(" Get X2 Channel: %10D",KEY_Init[0]-KEY_BASE[0]); printp(" Get Y2 Channel: %10D",KEY_Init[1]-KEY_BASE[1]); printp("Get Z2 Channel: %10D",KEY_Init[2]-KEY_BASE[2]); } */ if((KEY_Init[0]-KEY_BASE[0])>500 && (KEY_Init[0]-KEY_BASE[0])<3000)Key_Value=Key_Left; if((KEY_BASE[0]-KEY_Init[0])>500 && (KEY_BASE[0]-KEY_Init[0])<3000)Key_Value=Key_Right; if((KEY_Init[1]-KEY_BASE[1])>500 && (KEY_Init[1]-KEY_BASE[1])<3000)Key_Value=Key_Up; if((KEY_BASE[1]-KEY_Init[1])>500 && (KEY_BASE[1]-KEY_Init[1])<3000)Key_Value=Key_Down; //Cpu_Delay100US(2100-Snake.Level*400); /*********************方向取值完毕*******************/ /*********************根据按键选择蛇的运动方向*******************/ //if((Key_Value==Key_Right&&Key_V_temp!=Key_Left)||(Key_Value==Key_Left&&Key_V_temp==Key_Right)) if(Key_Value==Key_Right) { //1.蛇行不是左向，下步可以右向。2.蛇行右向，按左向无效，继续右向 Trun_Off_Point(Snake.X[0],Snake.Y[0]); //先把蛇尾给熄灭掉 for(i=0;i<Snake.Long-1;i++) //蛇身都是它前一段的蛇身的位置 { Snake.X[i]=Snake.X[i+1]; Snake.Y[i]=Snake.Y[i+1]; } Snake.X[Snake.Long-1]=Snake.X[Snake.Long-2]+1; Snake.Y[Snake.Long-1]=Snake.Y[Snake.Long-2]+0; //蛇头向你要求的方向移动 for(i=0;i<Snake.Long;i++) //这个让蛇显示出来的函数 { Trun_On_Point(Snake.X[i],Snake.Y[i],0xffff); } Key_Value=0; // Key_V_temp=Key_Right; } //if((Key_Value==Key_Left&&Key_V_temp!=Key_Right)||(Key_Value==Key_Right&&Key_V_temp==Key_Left)) if(Key_Value==Key_Left) { Trun_Off_Point(Snake.X[0],Snake.Y[0]); //先把蛇尾给熄灭掉 for(i=0;i<Snake.Long-1;i++) //蛇身都是它前一段的蛇身的位置 { Snake.X[i]=Snake.X[i+1]; Snake.Y[i]=Snake.Y[i+1]; } Snake.X[Snake.Long-1]=Snake.X[Snake.Long-2]-1; Snake.Y[Snake.Long-1]=Snake.Y[Snake.Long-2]+0; //蛇头向你要求的方向移动 for(i=0;i<Snake.Long;i++) //这个让蛇显示出来的函数 { Trun_On_Point(Snake.X[i],Snake.Y[i],0xffff); } Key_Value=0; // Key_V_temp=Key_Left; } //if(( Key_Value==Key_Up&&Key_V_temp!=Key_Down)||( Key_Value==Key_Down&&Key_V_temp==Key_Up)) if( Key_Value==Key_Up) { Trun_Off_Point(Snake.X[0],Snake.Y[0]); //先把蛇尾给熄灭掉 for(i=0;i<Snake.Long-1;i++) //蛇身都是它前一段的蛇身的位置 { Snake.X[i]=Snake.X[i+1]; Snake.Y[i]=Snake.Y[i+1]; } Snake.X[Snake.Long-1]=Snake.X[Snake.Long-2]+0; Snake.Y[Snake.Long-1]=Snake.Y[Snake.Long-2]-1; //蛇头向你要求的方向移动 for(i=0;i<Snake.Long;i++) //这个让蛇显示出来的函数 { Trun_On_Point(Snake.X[i],Snake.Y[i],0xffff); } Key_Value=0; //Key_V_temp=Key_Up; } //if(( Key_Value==Key_Down&&Key_V_temp!=Key_Up)||( Key_Value==Key_Up&&Key_V_temp==Key_Down)) if( Key_Value==Key_Down) { Trun_Off_Point(Snake.X[0],Snake.Y[0]); //先把蛇尾给熄灭掉 for(i=0;i<Snake.Long-1;i++) //蛇身都是它前一段的蛇身的位置 { Snake.X[i]=Snake.X[i+1]; Snake.Y[i]=Snake.Y[i+1]; } Snake.X[Snake.Long-1]=Snake.X[Snake.Long-2]+0; Snake.Y[Snake.Long-1]=Snake.Y[Snake.Long-2]+1; //蛇头向你要求的方向移动 for(i=0;i<Snake.Long;i++) //这个让蛇显示出来的函数 { Trun_On_Point(Snake.X[i],Snake.Y[i],0xffff); } Key_Value=0; // Key_V_temp=Key_Down; } /****************根据按键选择蛇的运动程序结束*******************/ ///////////////////////////////////////////////////////////////// /************************判断蛇是否死亡***********************/ if(Snake.X[Snake.Long-1]>=39||Snake.Y[Snake.Long-1]>=49)//判蛇头是否撞到墙壁 { Snake.Life=1; } for(i=3;i<Snake.Long;i++)//从第三节开始判断蛇头是否咬到自己 { if(Snake.X[i]==Snake.X[0]&&Snake.Y[i]==Snake.Y[0]) { Snake.Life=1; } } if(Snake.Life==1) //if the snake over { i=Key_Value; Display_dead(i); } /******************判断蛇是否死亡程序结束***********************/ ///////////////////////////////////////////////////////////////// /******************判断游戏是否全部完成***********************/ ///////////////////////////////////////////////////////////////// if(Snake.Level==20) //if game finished { i=Key_Value; Display_finish(i); } /************************判断蛇是否最长了**********************/ if(Snake.Long==SNAKE_Max_Long) { i=Key_Value; Display_Pass(i); } ///////////////////////////////////////////////////////////////// /*************************判蛇是否吃到食物**********************/ if(Snake.X[Snake.Long-1]==Food.X&&Snake.Y[Snake.Long-1]==Food.Y)// { //Trun_Off_Point(Food.X,Food.Y); //消隐食物 Snake.Long++;//蛇节数加1 Snake.X[Snake.Long-1]=Food.X; Snake.Y[Snake.Long-1]=Food.Y; Snake.Score+=1; //ili9320_Text(167+10,7+30,score[Snake.Score],3,0,0xffff); //LCDShow_uCharNumber(96,24,Snake.Score,0xcc88,0xBE5F); Food.Yes=1; //食物标志置1 } ///////////////////////////////////////////////////////////////// /***************************放果子程序*************************/ if(Food.Yes==0) { Trun_On_Point(Food.X,Food.Y,0xffff); } if(Food.Yes==1) { while(1) { Food.X=(KEY_Init[0]+(KEY_Init[1]>>8))&0x0024-8; //获得随机数 Food.Y=(KEY_Init[2]+(KEY_Init[1]>>8))&0x002c-8; for(i=0;i<Snake.Long;i++) //判断产生的食物坐标是否和蛇身重合 { if((Food.X==Snake.X[i])&&(Food.X==Snake.Y[i])) break; } if(i==Snake.Long) { Food.Yes=0; break; //产生有效的食物坐标 } } } ///////////////////////////////////////////////////////////////// /**************************延时用于调整游戏速度************************/ ili9320_Delay(550-level[l]*50); ///////////////////////////////////////////////////////////////// } ////////////////////////////////////////////////////////////////// //////////////////////////贪食蛇游戏////////////////////////////// ////////////////////////////////////////////////////////////////// void MMA7260(void) { Init_SNAKE(); while(1) { Run_SNAKE(); } }

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