12864贪吃蛇

/* 贪食蛇程序 2016年10月6日20:02:37 */ #include "reg52.h" #include "lcd12864.h" #include "FC.H" #include "stdlib.h" #define snake_UP 0x01 #define snake_DOWN 0xfe #define snake_LEFT 0x02 #define snake_RIGHT 0xfd #define snakeInitLength 2 #define snakeInitSideX 70 #define snakeInitSideY 30 #define snakeInitDir snake_RIGHT #define arraysize 100 #define LEFT_X 63 #define TOP_Y 0 #define RIGHT_X 127 #define BOTTOM_Y 63 unsigned char xdata stepArray[arraysize]={0}; unsigned char xdata dirArray[arraysize]={0}; unsigned char front_array,tail_array;//存放头尾数据的数组编号 unsigned char front_dir,tail_dir;//头尾移动的方向 unsigned char frontdat,taildat; //头尾的段数 char tail_x,tail_y,front_x,front_y;//头尾的坐标 unsigned char food_x,food_y;//食物坐标 unsigned int score=0; unsigned int time_speed; unsigned char scoreString[5]={0}; unsigned char flag_food=0,flag_skip=0; unsigned int speed = 1; unsigned char power = 1; void toString(unsigned char* str) //将分数转换为ask码的形式 { str[0] = score/1000+0x30; str[1] = score%1000/100+0x30; str[2] = score%100/10+0x30; str[3] = score%10+0x30; } //生成食物 void CreateFood() { do { food_x = rand ()%LEFT_X+LEFT_X+1; food_y = rand ()%(BOTTOM_Y-1); }while(LCD12864_Readpoint(food_x,food_y)); //读点是为了让食物的点在蛇身之外 power = rand()%2+1; time_speed = (250-speed*10)/power; LCD12864_Drawpoint(food_x,food_y,DISPLAY); //将点在12864显示出来 } //画界面 void drawGUI() { unsigned char i=0; LCD12864_String(0,0," "); LCD12864_String(0,1," "); LCD12864_String(0,2," "); LCD12864_String(0,3," "); toString(scoreString); LCD12864_String(0,0,"分数: "); LCD12864_String(0,1,scoreString); LCD12864_String(0,2,"称号： "); LCD12864_String(0,3,"小虾米 "); for(i=LEFT_X;i<RIGHT_X;i++) //画上下边框 { LCD12864_Drawpoint(i,TOP_Y,DISPLAY); LCD12864_Drawpoint(i,BOTTOM_Y,DISPLAY); } for(i=0;i<BOTTOM_Y;i++) //画左右边框 { LCD12864_Drawpoint(LEFT_X,i,DISPLAY); LCD12864_Drawpoint(RIGHT_X,i,DISPLAY); } //画蛇 for(i=0;i<snakeInitLength;i++) { LCD12864_Drawpoint(i+snakeInitSideX,snakeInitSideY,DISPLAY); } //食物 do { food_x = rand ()%LEFT_X+LEFT_X+1; food_y = rand ()%(BOTTOM_Y-1); }while(LCD12864_Readpoint(food_x,food_y)); //power = rand()%2+1; time_speed = (250-speed*10); LCD12864_Drawpoint(food_x,food_y,DISPLAY); } //初始化 void Snake_Init() { score = 0; flag_food=0; flag_skip=0; speed = 1; power = 1; front_x = snakeInitSideX + snakeInitLength - 1; front_y = snakeInitSideY; tail_x = snakeInitSideX; tail_y = snakeInitSideY; stepArray[0] = snakeInitLength; dirArray[0] = snakeInitDir; tail_array = front_array = 0; time_speed = (250-speed*10)/power; front_dir = dirArray[0]; tail_dir = dirArray[0]; frontdat = stepArray[0]; taildat = stepArray[0]; drawGUI(); } //游戏结束界面 void GAMEOVER() { LCD12864_clearGDR(); toString(scoreString); LCD12864_String(0,0," "); LCD12864_String(0,1," "); LCD12864_String(0,2," "); LCD12864_String(0,3," "); LCD12864_String(0,0," GAME OVER "); LCD12864_String(0,1," SCROE: "); LCD12864_String(5,1,scoreString); LCD12864_String(0,2," START "); while(1) { if(FC_ReadDATA() == FC_START) break; } Snake_Init(); } //称号获得 void LEVEL_Name() { switch (score) { case 0 : LCD12864_String(0,3,"小虾米 ");speed =1; break; case 4 : LCD12864_String(0,3,"大虾米 ");speed =2; break; case 8 : LCD12864_String(0,3,"大豆虫 ");speed =3; break; case 12: LCD12864_String(0,3,"小青蛇 ");speed =4; break; case 20: LCD12864_String(0,3,"青蛇 ");speed =5; break; case 40: LCD12864_String(0,3,"白蛇精 ");speed =6; break; case 80: LCD12864_String(0,3,"白素贞 ");speed =7; break; case 160:LCD12864_String(0,3,"蛇界食神");speed =8; break; case 320 : LCD12864_String(0,3,"小白龙 ");speed =9; break; case 640:LCD12864_String(0,3,"逆天白龙 ");speed =10; break; case 1000:LCD12864_String(0,3,"通天神龙");speed =11; break; default: break; } } //画出贪食蛇 void drawSnake(unsigned char* stepArray,unsigned char* dirArray) { `````````` switch (front_dir) { case snake_UP : front_y--;if(front_y<(TOP_Y+1))front_y = (BOTTOM_Y-1); break; case snake_DOWN : front_y++;if(front_y>(BOTTOM_Y-1))front_y = (TOP_Y+1); break; case snake_LEFT : front_x--;if(front_x< (LEFT_X+1))front_x = (RIGHT_X-1); break; case snake_RIGHT: front_x++;if(front_x>(RIGHT_X-1))front_x = (LEFT_X+1); break; default: break; } frontdat = stepArray[front_array]; frontdat++; frontdat = frontdat%128; stepArray[front_array] = frontdat; //判断是食物还是自己身体 if(LCD12864_Readpoint(front_x,front_y)) //判断前进方向上有无点 { //判断是否为食物 if((front_x==food_x)&&(front_y==food_y)) { flag_food = 1; score++; toString(scoreString); LCD12864_String(0,1,scoreString); LEVEL_Name(); } else { flag_food = 0; GAMEOVER(); } } //画头 LCD12864_Drawpoint(front_x,front_y,DISPLAY); //消尾 if(flag_skip == 0) { LCD12864_Drawpoint(tail_x,tail_y,NOTDISPLAY); taildat = stepArray[tail_array]; taildat--; if(taildat == 0) { tail_array++; tail_array %= arraysize; //重新获取尾巴的段数和方向 taildat = stepArray[tail_array]; tail_dir = dirArray[tail_array]; }; stepArray[tail_array] = taildat; switch (tail_dir) { case snake_UP : tail_y--;if(tail_y<(TOP_Y+1))tail_y = (BOTTOM_Y-1); break; case snake_DOWN : tail_y++;if(tail_y>(BOTTOM_Y-1))tail_y = (TOP_Y+1); break; case snake_LEFT : tail_x--;if(tail_x<(LEFT_X+1))tail_x = (RIGHT_X-1); break; case snake_RIGHT: tail_x++;if(tail_x>(RIGHT_X-1))tail_x = (LEFT_X+1); break; } if(flag_food==1) { //判断前面是食物 if((front_x==food_x)&&(front_y==food_y)) { flag_food = 0; flag_skip = 1; CreateFood(); } } }else flag_skip = 0; } //FC手柄扫描 unsigned char FC_scan() { unsigned char dat; dat = FC_ReadDATA(); if(dat != 0xff) { if((dat&~FC_UP) ==0) return snake_UP; if((dat&~FC_DOWN)==0) return snake_DOWN; if((dat&~FC_LEFT)==0) return snake_LEFT; if((dat&~FC_RIGHT)==0) return snake_RIGHT; } return 0; } //手柄数据处理函数 void MakeFCscan(unsigned char* stepArray,unsigned char* dirArray) { unsigned char fcdat; fcdat = FC_scan(); //手