/***************************************************************
Snake?
****************************************************************/
#include?“snake.h“

/*?Private?variables?---------------------------------------------------------*/
SnakeNode?*pSnakeHead;
SnakeNode?*stRandNode;
volatile?Direction?CurrentDir=UP;
volatile?Direction?NewDir;
extern?volatile?FlagStatus?bIntrFlag;
extern?volatile?uint16_t?count;
static?uint8_t?score=0;
volatile?FlagStatus?bReadPos1Flag?=?RESET;
volatile?FlagStatus?bReadPos0Flag?=?RESET;
volatile?FlagStatus?bEnReadFlag?=?RESET;
extern?volatile?FlagStatus?bEnDirFlag;
extern?volatile?FlagStatus?bRunFlag;
extern?volatile?uint32_t?OS_TimeMS;
uint16_t?Xpos[2]Ypos[2];

/*?Private?function?prototypes?-----------------------------------------------*/


/*******************************************************************************
*?Function?Name??:?SnakeListInit
*?Description????:?Initialize?the?SnakeList?with?2?SnakeNode
*?Input??????????:?SnakeList
*?Output?????????:?None
*?Return?????????:?None
*******************************************************************************/
void?SnakeListInit（void）
{?
	??SnakeNode?*stSnakeNode1=（SnakeList）malloc（sizeof（SnakeNode））;
??????SnakeNode?*stSnakeNode2=（SnakeList）malloc（sizeof（SnakeNode））;
	??stRandNode?=?（SnakeList）malloc（sizeof（SnakeNode））;
	??pSnakeHead?=?（SnakeList）malloc（sizeof（SnakeNode））;
	??stSnakeNode1->x?=?20;
	??stSnakeNode1->y?=?30;
	??stSnakeNode1->color?=?GUI_BLACK;
	??stSnakeNode1->next?=stSnakeNode2;

	??stSnakeNode2->x?=?20;
	??stSnakeNode2->y?=?29;
	??stSnakeNode2->color?=?GUI_RED;
	??stSnakeNode2->next?=?NULL;??
	??
	??pSnakeHead->next=?stSnakeNode1;
	??stRandNode->x?=?20;
	??stRandNode->y?=?20;
	??stRandNode->color?=?GUI_BLUE;
	??//DrawNode（stRandNode）;	??	?
}
/*******************************************************************************
*?Function?Name??:?DrawPoint
*?Description????:?Draw?a?Point??
*?Input??????????:?SnakeNode?nodeBitOperation?Action
*?Output?????????:?None
*?Return?????????:?None
*******************************************************************************/
void?DrawNode（SnakeNode?*nodeBitOperation?Action）
{
	uint8_t?ij;
	if（node->x?>?RECT_XSIZE?||?node->y?>?RECT_YSIZE）return?;
	if（Action==DRAW）
	{
		GUI_SetColor（node->color）;
		for（i=0;i		for（j=0;j		GUI_DrawPoint（node->x*LINEWIDTH+inode->y*LINEWIDTH+j+16）;
	}
	else?
	{
		GUI_SetColor（GUI_GRAY）;
		for（i=0;i		for（j=0;j		GUI_DrawPoint（node->x*LINEWIDTH+inode->y*LINEWIDTH+j+16）;
	}
}

/*******************************************************************************
*?Function?Name??:?DrawSnake
*?Description????:?Draw?the?Snake
*?Input??????????:?SnakeAction
*?Output?????????:?None
*?Return?????????:?None
*******************************************************************************/
void?DrawSnake（SnakeNode?*SnakeBitOperation?Act

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????9750??2012-10-30?21:22??貪吃蛇\(yùn)snake.c

?????文件???????1289??2012-10-30?15:20??貪吃蛇\(yùn)snake.h

?????目錄??????????0??2012-10-31?12:35??貪吃蛇

-----------?---------??----------?-----??----

????????????????11039????????????????????3