📄 gamesnake.c
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/*
\\\|///
\\ - - //
( @ @ )
+---------------------oOOo-(_)-oOOo-------------------------+
| 智林STM32开发板试验程序 |
| Timer2 PWM 输出方式试验 |
| 刘笑然 by Xiaoran Liu |
| 2008.4.16 |
| |
| 智林测控技术研究所 ZERO research group |
| www.the0.net |
| Oooo |
+-----------------------oooO--( )-------------------------+
( ) ) /
\ ( (_/
\_)
*/
/*----------------------------------------------------------*\
| 引入相关芯片的头文件 |
\*----------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdarg.h>
#include <time.h>
#include <stm32f10x_lib.h> // STM32F10x Library Definitions
#include "STM32_Init.h" // STM32 Initialization
#include "TFT018.h"
/*----------------------------------------------------------*\
| HARDWARE DEFINE |
\*----------------------------------------------------------*/
#define LED ( 1 << 5 ) // PB5: LED D2
#define BP2 0x2000 // PC13: BP2
#define BP3 0x0001 // PA0 : BP3
#define UP 0x0800 // PB11: UP
#define RIGHT 0x1000 // PB12: RIGHT
#define LEFT 0x2000 // PB13: LEFT
#define DOWN 0x4000 // PB14: DOWN
#define OK 0x8000 // PB15: OK
#define JOYSTICK 0xF800 // JOYSTICK ALL KEYS
#define KEY_NONE 0xF800 // JOYSTICK ALL KEYS
/*----------------------------------------------------------*\
| SOFTWARE DATA |
\*----------------------------------------------------------*/
#define N 200
int i,key;
int score=0;
int gamespeed=320;
struct Food {
int x;
int y;
int yes;
}food;
struct Snake {
int x[N];
int y[N];
int node;
int direction;
int life;
}snake;
/*----------------------------------------------------------*\
| Delay |
| 延时 Inserts a delay time. |
| nCount: 延时时间 |
| nCount: specifies the delay time length. |
\*----------------------------------------------------------*/
void delay(vu32 nCount) {
for(; nCount != 0; nCount--) {
unsigned int j;
for(j=0;j<5000;j++);
}
}
DElAY(char ch) {
if (ch=='3') {
delay(gamespeed);
delay(gamespeed);
} else if (ch=='2') {
delay(gamespeed);
}
}
unsigned short ReadKey(void) {
unsigned short k;
k=(unsigned short)(GPIOB->IDR & JOYSTICK);
return k;
}
unsigned short getch( void ) {
unsigned short K;
while( (K=ReadKey()) == KEY_NONE );
return K;
}
void Init(void) {
stm32_Init (); // STM32 setup
LCD_Init();
LCD_Clear_Screen(Blue);
}
void DrawK(void) {
/*setbkcolor(LIGHTGREEN);*/
//setcolor(11);
//setlinestyle(SOLID_LINE,0,THICK_WIDTH);
for (i=0;i<=159;i+=3) {
//rectangle(i,40,i+10,49);
//rectangle(i,451,i+10,460);
LCD_Rectangle( i,20,i+2,22,0x07FF );
LCD_Rectangle( i,125,i+2,127,0x07FF );
}
for (i=20;i<=124;i+=3) {
//rectangle(50,i,59,i+10);
//rectangle(601,i,610,i+10);
LCD_Rectangle( 0,i,2,i+2,0x07FF );
LCD_Rectangle( 156,i,159,i+2,0x07FF );
}
}
void PrScore(void) {
char str[10];
//setfillstyle(SOLID_FILL,YELLOW);
//bar(50,15,220,35);
//setcolor(6);
//settextstyle(0,0,2);
sprintf(str,"score:%d",score);
//outtextxy(55,20,str);
LCD_PutString( 10,0,str,0xF800,0x0000 );
}
void GameOver(void) {
//cleardevice();
LCD_Clear_Screen( 0x001F );
PrScore();
//setcolor(RED);
//settextstyle(0,0,4);
//outtextxy(200,200,"GAME OVER");
LCD_PutString( 10,50,"GAME OVER",0xF800,0x0000 );
getch();
}
void Close(void) {
getch();
//closegraph();
}
void GamePlay(char ch) {
//char str[10];
//randomize();
srand(123785);
food.yes=1;
snake.life=0;
snake.direction=1;
snake.x[0]=78;
snake.y[0]=56;
snake.x[1]=81;
snake.y[1]=56;
snake.node=2;
PrScore();
while (1) {
while( (key=ReadKey()) == KEY_NONE ) {
if (food.yes==1) {
food.x=(rand()%51)*3+3;
food.y=(rand()%34)*3+20;
//while (food.x%3!=0) food.x++;
//while (food.y%3!=0) food.y++;
food.yes=0;
}
if (food.yes==0) {
//setcolor(GREEN);
//rectangle(food.x,food.y,food.x+10,food.y-10);
LCD_Rectangle( food.x,food.y,food.x+2,food.y-2,0x07E0 );
}
for (i=snake.node-1;i>0;i--) {
snake.x[i]=snake.x[i-1];
snake.y[i]=snake.y[i-1];
}
switch (snake.direction) {
case 1:
snake.x[0]+=3;
break;
case 2:
snake.x[0]-=3;
break;
case 3:
snake.y[0]-=3;
break;
case 4:
snake.y[0]+=3;
break;
}
for (i=3;i<snake.node;i++) {
if (snake.x[i]==snake.x[0]&&snake.y[i]==snake.y[0]) {
GameOver();
snake.life=1;
break;
}
}
if (snake.x[0]<3||snake.x[0]>155||snake.y[0]<20||
snake.y[0]>125) {
GameOver();
snake.life=1;
}
if (snake.life==1)
break;
if (snake.x[0]==food.x&&snake.y[0]==food.y) {
//setcolor(0);
//rectangle(food.x,food.y,food.x+10,food.y-10);
LCD_Rectangle( food.x,food.y,food.x+2,food.y-2,0x07E0 );
snake.x[snake.node]=-3;
snake.y[snake.node]=-3;
snake.node++;
food.yes=1;
score+=10;
PrScore();
}
//setcolor(4);
for (i=0;i<snake.node;i++)
//rectangle(snake.x[i],snake.y[i],snake.x[i]+10,snake.y[i]-10);
LCD_Rectangle( snake.x[i],snake.y[i],snake.x[i]+2,snake.y[i]-2,0xFFE0 );
delay(gamespeed);
DElAY(ch);
//setcolor(0);
//rectangle(snake.x[snake.node-1],snake.y[snake.node-1],snake.x[snake.node-1]+10,snake.y[snake.node-1]-10);
LCD_Rectangle( snake.x[snake.node-1],snake.y[snake.node-1],snake.x[snake.node-1]+2,snake.y[snake.node-1]-2,0x0000 );
} /*endwhile（！kbhit）*/
if (snake.life==1)
break;
//key=bioskey(0);
if ((key&OK)==0)
break;
else
if ((key&UP)==0&&snake.direction!=4)
snake.direction=3;
else
if ((key&RIGHT)==0&&snake.direction!=2)
snake.direction=1;
else
if ((key&LEFT)==0&&snake.direction!=1)
snake.direction=2;
else
if ((key&DOWN)==0&&snake.direction!=3)
snake.direction=4;
//sprintf(str,"%X",key);
//LCD_PutString( 80,0,str,0xF800,0x0000 );
}/*endwhile(1)*/
}
/*----------------------------------------------------------*\
| MIAN ENTRY |
\*----------------------------------------------------------*/
int main (void) {
int ch='2';
Init();
DrawK();
GamePlay(ch);
Close();
for(;;) {
}
}
/*----------------------------------------------------------*\
| END OF FILE |
\*----------------------------------------------------------*/
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