基于STM32的贪吃蛇游戏设计(程序+硬件PCB文件+视频) -

#include "lcd_5510.h"
#include "Snake_Game.h"
#define ElemType int
typedef struct node
{
ElemType x,y;
struct node *prior;
struct node *next;
} Node;
Food food; //全局变量//
int add=10; //总得分与每次吃食物得分//蛇长度计数;。
u8 sleeptime=200; //每次运行的时间间隔
Snake snake;
Node *Head; //Node*food;//蛇头指针，食物指针
u8 endgamestatus=0; //游戏结束的情况，1：撞到墙；2：咬到自己；3：主动退出游戏。
//按键判断
Fuct KEY_Test(void)
{
Fuct sta=Null;
if(UP_ON) sta = Up;
if(Down_ON) sta = Down;
if(Left_ON) sta = Left;
if(Right_ON) sta = Right;
if(MODE_ON) sta = Puase;
if(RTN_ON) sta = Rtn;
return sta;
}
// 新建节点。成功，返回节点指针；否则，返回NULL。
static Node* CreateNode()
{
Node *newNode = NULL;
newNode = (Node*)malloc(sizeof(Node));
if (newNode == NULL)
return NULL;
// 初始化新建节点前置节点和后置节点都是自己
newNode->prior = newNode->next = newNode;
return newNode;
}
// 创建表头成功，返回0；否则，返回-1。
int Link_Create()
{
Head = CreateNode();
if (Head == NULL)
return -1;
return 0;
}
// 表头插入数据
Node * Link_InsertFirst(Node*head)
{
Node *newNode = CreateNode();
if (newNode == NULL)
return NULL;
newNode->next = head->next;
newNode->prior = head;
head->next->prior = newNode;
head->next = newNode;
return newNode;
}
//删除表尾数据
Node* Link_DeleteLast(Node*head)
{
Node *current = head->prior;
current->next->prior = current->prior;
current->prior->next = current->next;
return current;
}
//销毁双向循环链表L：
void DestroyList(Node* head)
{
Node* q,*p=head->next; /* p指向第一个结点 */
while(p!=head) /* p没到表头 */
{
q=p->next;
free(p);
p=q;
}
free(head);
head=NULL;
}
/*=========显示蛇身===========*/
void LCD_DrawPoint_Snake(Node *head)
{
Node *current=head->next;
while(current!=head)//从头到为，输出蛇身
{
LCD_DrawPoint(current->x,current->y,ON);
current=current->next;
}
}
/*=========判断是否撞墙=============*/
void cantcrosswall(Node*head)//不能穿墙
{
Node *current = head->next;
if(current->x<=min_width ||current->x>=frame_width-1 ||current->y>=frame_height-1 || current->y<=min_height)
{
endgamestatus=1;//游戏结束的情况。3种情况
}
}
/*=========判断是否咬到了自己=============*/
void biteself(Node*head)//
{
Node *current=head->next;
Node *self=current->next;
while(self!=head)
{
if(self->x==current->x && self->y==current->y)
{
endgamestatus=2;
}
self=self->next;
}
}
u8 is_alive(Node*head)//判断是否存活
{
biteself(head);//判断是否咬到自己
cantcrosswall(head);//判断是否到边界
return endgamestatus;
}
/*=========判断是否吃到食物=============*/
FlagStatus judgeCoordInFoods(Food *foods, Node *spot)
{
Node * nextHead=spot->next;
if(nextHead->x>=foods->X[0])//如果蛇头在食物坐标范围内
if(nextHead->x<=foods->X[3])
if(nextHead->y>=foods->Y[0])
if(nextHead->y<=foods->Y[3])
return SET;//返回吃的食物
return RESET;//没吃的到
}
void DrawFood(Food *foods,u8 state)//画出食物
{
for(int i=0; i<Food_Size; i++)
{
LCD_DrawPoint(foods->X[i], foods->Y[i],state);//显示食物
}
}
/*========产生随机食物=====*/
void Gave_Food(Food *foods)
{
do
{
foods->X[0]=(rand() % (77))+ 5; //产生食物的范围
foods->Y[0]=(rand() % (41))+ 5;//（x-y）Y最大值 +z 最小值
}
while(!((foods->X[0]>5)&&(foods->X[0]<80)&&(foods->Y[0]<40)&&(foods->Y[0]>9))); //判断是否在范围内
foods->X[1] = foods->X[0] + 1;
foods->X[2] = foods->X[0];
foods->X[3] = foods->X[0] + 1;
foods->Y[1] = foods->Y[0] ;
foods->Y[2] = foods->Y[0] + 1;
foods->Y[3] = foods->Y[0] + 1;
DrawFood(foods,ON);
}
/*=======吃到食物处理=======*/
void update_food() //吃到食物处理
{
static u16 time=0;
Node * nextHead=Head->next;
time++;
if(judgeCoordInFoods(&food,Head))//吃到食物
{
time=0;//食物更新时间清0
snake.len++;//蛇身长度+1
DrawFood(&food,OFF);//清除当前食物
Gave_Food(&food);//获取新食物
snake.scroe+=((snake.len+10)/10);//分数
LCD_ShowNum(10,0,snake.len,3); //显示长度
LCD_ShowNum(3,0,snake.scroe/100,3); //显示
LCD_ShowNum(3,0,snake.scroe%100,3); //显示
LCD_DrawPoint(nextHead->x,nextHead->y,ON); //显示蛇头
}
else
{
nextHead=Link_DeleteLast(Head); //删除蛇最后一个元素
LCD_DrawPoint(nextHead->x,nextHead->y,OFF);//关掉蛇尾最后一个像素点
free(nextHead);//释放最后一个链表
}
if(time>100)//如果跟新时间到达之前没有吃到食物
{
time=0;//更新食物
DrawFood(&food,OFF);//关掉食物
Gave_Food(&food);//获取新食物
}
}
/*=========游戏暂停==========*/
void pause()
{
// Disp_CZhuitu(6,8,2,10,Pause_char);
while(1)
{
// delay_ms(300);
if(MODE_ON)
break;
}
// Disp_CZhuitu(6,8,2,10,jie_char);
}
/*=========控制游戏==========*/
void gamecircle()//控制游戏
{
Fuct Sta=KEY_Test();
if(Sta==Up&& snake.dir!=Down)//如果上按键按下且蛇运动方向不为下
{
snake.dir=Up;//蛇方向为上
}
else if(Sta==Down&& snake.dir!=Up)
{
snake.dir=Down;
}
else if(Sta==Left&& snake.dir!=Right)
{
snake.dir=Left;
}
else if( Sta==Right&& snake.dir!=Left)
{
snake.dir=Right;
}
else if(Sta==Puase)//如果暂停键按下
{
pause();
}
else if(Sta==Rtn)
{
endgamestatus=3;
}
}
/*=========蛇移动==========*/
void move_snake()//蛇前进,上U,下D,左L,右R
{
Node*nextHead;
Node * currot=Head->next;
nextHead=Link_InsertFirst(Head);//在蛇头添加一个元素
switch(snake.dir)
{
case Up:
nextHead->x=currot->x;
nextHead->y=currot->y-1;
break;
case Down:
nextHead->x=currot->x;
nextHead->y=currot->y+1;
break;
case Left:
nextHead->x=currot->x-1;
nextHead->y=currot->y;
break;
case Right:
nextHead->x=currot->x+1;
nextHead->y=currot->y;
break;
}
LCD_DrawPoint(nextHead->x,nextHead->y,ON);//显示添加的元素
}
//显示游戏界面
void game_ucos()
{
LCD_prints_68(0, 0, "SC:");
LCD_prints_68(7, 0,"Ln:");
LCD_DrawLine(0,8,83,8);
LCD_DrawLine(0,8,0,47);
LCD_DrawLine(0,47,83,47);
LCD_DrawLine(83,47,83,8);
}
/*=========初始化游戏===========*/
void init_snake(u8 grade)
{
int i;
Node *list=NULL;
if(grade==2)
snake.speed=120;
else if(grade==3)
snake.speed=70;
else if(grade==4)
snake.speed=40;
//=============蛇初始化==============//
snake.dir=Right;
endgamestatus=0;
snake.len=10;
Link_Create();
for(i=0; i<snake.len; i++)
{
list=Link_InsertFirst(Head);
list->x=frame_width/2+i;
list->y=frame_height/2;
}
LCD_DrawPoint_Snake(Head);
//=============界面初始化==============//
snake.scroe=0;
LCD_ShowNum(10,0,snake.len,3); //显示长度
LCD_ShowNum(3,0,snake.scroe%1000,3); //显示分数
LCD_ShowNum(3,0,snake.scroe/100,3); //显示分数
LCD_ShowNum(3,0,snake.scroe%100,3); //显示分数
Gave_Food(&food);
}
void remove_snake(Node *head)
{
Node *current=head->next;
while(current!=head)//从头到为，输出蛇身
{
LCD_DrawPoint(current->x,current->y,OFF);
current=current->next;
}
}
int Play(u8 grade)
{
init_snake(grade);
game_ucos();
while(1)
{
gamecircle(); //游戏控制
move_snake(); //移动蛇身
update_food(); //是否产生食物
delay_ms(snake.speed); //移动速度snake.speed
if(is_alive(Head)) //蛇的死活(撞墙或自食)
{
DestroyList(Head);
DrawFood(&food,OFF);//清除当前食物
LCD_Clear_Cache();
while(KEY_Test()==0);
RLCD_vertical_vrintch(game_icon);
LCD_clr_scr();
interface();
return 0;
}
}
}
//进入难度选择
void Start_game()
{
int key,num=2;
interface();
while(1)
{
LCD_prints_68(3, 0,"Difficult");
LCD_ShowNum(5,2,1,1); //显示分数
LCD_ShowNum(5,3,2,1); //显示分数
LCD_ShowNum(5,4,3,1); //显示分数
LCD_printc_68(3, num, '>');
key=KEY_Test();
switch (key)
{
case Up:
LCD_printc_68(3, num, ' ');
num ++;
if(num >=5) num =2;
LCD_printc_68(3, num, '>');
delay_ms(100) ;break ;
case Down:
LCD_printc_68(3, num, ' ');
num --;
if(num <=1) num =4;
LCD_printc_68(3, num, '>');
delay_ms(100);break ;
case Puase:
LCD_clr_scr();
Play(num);break ;
default : break;
}
}
}

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