LI Saiwen
Snake game snake library
Diff: Snake.cpp
- Revision:
- 8:721a8dca7a25
- Parent:
- 7:a2f426a37e60
- Child:
- 9:e023c11f7737
--- a/Snake.cpp Fri May 05 15:20:17 2017 +0000
+++ b/Snake.cpp Fri Apr 26 04:46:54 2019 +0000
@@ -6,8 +6,16 @@
#define CEILING 8
#define FLOOR 48
-snakePart snek;
-
+snakePart snak;
+int LIFE[7][7] = {
+
+ {0,1,0,0,0,1,0},
+ {1,1,1,0,1,1,1},
+ {1,1,1,1,1,1,1},
+ {0,1,1,1,1,1,0},
+ {0,0,1,1,1,0,0},
+ {0,0,0,1,0,0,0},
+ };
Snake::Snake()
@@ -21,128 +29,106 @@
/************************Functions************************/
-void Snake::init(int x, int y, int lenght, int _live){//initalizing the starting variables
-
- startx=x;//saving these variables for later init
- starty=y;
- startl=lenght;
+void Snake::init(int x, int y, int length, int _live){//initalizing the starting variables
live=_live;
- _length = lenght;
- _food.init();//init food
- for (int i=0;_length>i;i++)//create start snake
+ _length = length;
+ _food.init();
+ initx=x;
+ inity=y;
+ initl=length;
+ snak._x[0] = x;
+ snak._y[0] = y;
+ snak._dirc[0] = length;
+ for (int i=1; i < _length ;i++)
{
- snek._x[i]=x+i;
- snek._y[i]=y;
- snek._dir[i]=1;
+ snak._x[i]=snak._x[0]+i;
+ snak._y[i]=snak._y[0];
+ snak._dirc[i]=1;
}
- snek._x[_length]=x+_length;
- snek._x[_length+1]=x+_length+1;
- snek._y[_length]=y;
- snek._dir[_length]=1;
- printf("xog is %d ", snek._x[_length-1]);
- //printf("initalized");
-}//end of init
+ snak._x[_length]=x+_length;
+ snak._y[_length]=y;
+ snak._dirc[_length]=1;
+}
-void Snake::draw(N5110 &lcd){
- checkWallCollision(lcd);// if head==wall game over
- checkTailCollision(lcd);
+void Snake::drawsnake(N5110 &lcd){
+ check_WallCollision(lcd);// if head==wall game over
+ check_TailCollision(lcd);
if (live!=0){
lcd.clear();
- waitCount=((float)_length/3)+5;//set wait so the game is speeding up
- waitTime=(1/waitCount);
+ waitExpect=((float)_length/3)+5;//set wait so the game is speeding up
+ waitTime=(1/(waitExpect+_speed));
wait(waitTime);
- _food.draw(lcd);//make first food
+ _food.drawfood(lcd);//make first food
lcd.drawRect(0,8,84,48-8,FILL_TRANSPARENT);//draw arena
- drawScore(lcd);
+ drawscore(lcd);
for ( int i=0; _length>i;i++){//draw snake
- if (snek._x!=0)
- {
- if (snek._y!=0)
- {
- lcd.setPixel(snek._x[i],snek._y[i]);
- }
- }
+
+ lcd.setPixel(snak._x[i],snak._y[i]);
+
lcd.refresh();
-
- //printf("drawn");
}
- }//live loop
+ }
-}//end of draw
-void Snake::update(Gamepad &pad){
+}
+void Snake::snakemov(Gamepad &pad){
if (live!=0){
d=pad.get_direction();
- printf("x+1 is %d", snek._x[_length+1]);
- printf("y+1 is %d", snek._y[_length+1]);
- printf("dir+1 is %d", snek._dir[_length+1]);
- printf("length is %d", _length);
- /*if ( pad.check_event(Gamepad::A_PRESSED) == true)//testing the addPoint manually
- {
- snek._x[_length+1]=snek._x[_length];//-1
- snek._y[_length+1]=snek._y[_length];
- snek._dir[_length+1]=snek._dir[_length-1];
- _length=_length+1;
- printf("length+1 is %d", _length);
-
- }
- */
- //printf("x is %d ", snek._x[_length-1]);
- if (snek._dir[_length-1]==1)//set direction according _dir
+ if (snak._dirc[_length-1]==1)//set direction according _dir
{
- snek._x[_length]++;
+ snak._x[_length]++;
}
- if (snek._dir[_length-1]==2)
+ if (snak._dirc[_length-1]==2)
{
- snek._y[_length]--;
+ snak._y[_length]--;
}
- if (snek._dir[_length-1]==3)
+ if (snak._dirc[_length-1]==3)
{
- snek._x[_length]--;
+ snak._x[_length]--;
}
- if (snek._dir[_length-1]==4)
+ if (snak._dirc[_length-1]==4)
{
- snek._y[_length]++;
+ snak._y[_length]++;
}
for (int i=0 ;_length<i ;i++)
{
- snek._x[i]=snek._x[i+1];
- snek._y[i]=snek._y[i+1];
+ snak._x[i]=snak._x[i+1];
+ snak._y[i]=snak._y[i+1];
//printf("done");
}
//check dpad which way it is pointing
//set direction accordingly, 1 is right, up is 2, 3 is left and 4 is down
if (d==N){// if stick points up, go up
- if (snek._dir[_length-1]!=4)
+ if (snak._dirc[_length-1]!=4)
{
- snek._dir[_length-1] = 2;
+ snak._dirc[_length-1] = 2;
}
}
if (d==E){// if stick points right, go right
- if (snek._dir[_length-1]!=3)
+ if (snak._dirc[_length-1]!=3)
{
- snek._dir[_length-1] = 1;
+ snak._dirc[_length-1] = 1;
}
}
if (d==W){// if stick points left, go left
- if (snek._dir[_length-1]!=1)
+ if (snak._dirc[_length-1]!=1)
{
- snek._dir[_length-1] = 3;
+ snak._dirc[_length-1] = 3;
}
@@ -150,85 +136,82 @@
if (d==S){// if stick points down, go down
- if (snek._dir[_length-1]!=2)
+ if (snak._dirc[_length-1]!=2)
{
- snek._dir[_length-1] = 4;
+ snak._dirc[_length-1] = 4;
}
}
printf("updated ");
- addPoint();
+ eat();
}//live loop
}//end of update
-void Snake::addPoint(){
+void Snake::eat(){
- posXY foodPos = _food.returnPos();
- if(snek._x[_length-1]==foodPos.x && snek._y[_length-1]== foodPos.y)
+ Foodpos foodPos = _food.returnPos();
+ if(snak._x[_length-1]==foodPos.x && snak._y[_length-1]== foodPos.y)
{
- snek._x[_length+1]=snek._x[_length];//-1
- snek._y[_length+1]=snek._y[_length];
- snek._dir[_length+1]=snek._dir[_length-1];
+ snak._x[_length+1]=snak._x[_length];//-1
+ snak._y[_length+1]=snak._y[_length];
+ snak._dirc[_length+1]=snak._dirc[_length-1];
_length=_length+1;//if head == food, _length++
- _food.respawn();//spawn new food
+ _food.createfood();//spawn new food
}
}//end of addPoint
-void Snake::deadSnake(N5110 &lcd){
+void Snake::dead(N5110 &lcd){
live--; //take a life away
- while (live==0){//dead reset game
+ //while (live==0){//dead reset game
+ while(live==0) {
lcd.clear();
lcd.printString("Game Over",0,1);
lcd.printString("Press Reset",0,2);
lcd.printString("To restart",0,3);
lcd.refresh();
-
}
- //lcd.clear();
- //lcd.printString("Game Over",0,1);
- //lcd.refresh();
-
- init(startx,starty,startl,live);
-
-}//end of deadSnake
+ init(initx,inity,initl,live);
+//end of deadSnake
+}
-void Snake::checkWallCollision(N5110 &lcd){
+void Snake::check_WallCollision(N5110 &lcd){
- if (snek._x[_length]==WIDTH||snek._x[_length]==0)//if snake head hits side walls
+ if (snak._x[_length] == 0 || snak._x[_length] == WIDTH)//if snake head hits side walls
{
- deadSnake(lcd);
+ dead(lcd);
}
- if (snek._y[_length]==CEILING||snek._y[_length]==FLOOR)//if snake hits top or bottom walls
+ if (snak._y[_length]== FLOOR ||snak._y[_length]== CEILING )//if snake hits top or bottom walls
{
- deadSnake(lcd);
+ dead(lcd);
}
}//end of checkWallCollision
-void Snake::checkTailCollision(N5110 &lcd){//if snake eats itself
+void Snake::check_TailCollision(N5110 &lcd){//if snake eats itself
for (int i=0 ;_length<i ;i++){
- if (snek._x[_length-1]==snek._x[i] && snek._y[_length-1]==snek._y[i])
+ if (snak._x[_length-1]==snak._x[i] && snak._y[_length-1]==snak._y[i])
{
- deadSnake(lcd);
+ dead(lcd);
}
}
}//end of checkTailCollision
-void Snake::drawScore(N5110 &lcd){
+void Snake::drawscore(N5110 &lcd){
char buffer1[14];
char buffer2[14];
sprintf(buffer1,"%2d",live);
sprintf(buffer2,"%2d",_length-5);
- lcd.printString(buffer1,25,0);
+ lcd.printString(buffer1,20,0);
lcd.printString(buffer2,70,0);
- lcd.printString("Life:",0,0);
- lcd.printString("Pts:",40,0);//display life and points
+ lcd.drawSprite(6,1,7,7,(int *)LIFE);
+ lcd.printString(":",17,0);
+ lcd.printString("Score:",40,0);//display life and points
}//end of drawScore
\ No newline at end of file