LI Saiwen
Snake game snake library
Diff: Snake.cpp
- Revision:
- 3:b24ef00836c5
- Parent:
- 2:5e04e34a3b66
- Child:
- 4:c74ec3f409f9
--- a/Snake.cpp Fri May 05 11:55:34 2017 +0000
+++ b/Snake.cpp Fri May 05 13:56:24 2017 +0000
@@ -6,7 +6,6 @@
#define CEILING 8
#define FLOOR 48
-//Snake snakePart;
snakePart snek;
@@ -18,20 +17,25 @@
Snake::~Snake()
{
-
- //delete things create aboce in construcxtor
}
-void Snake::init(int x, int y, int lenght){
+void Snake::init(int x, int y, int lenght, int _live){
//initalizing the starting variables
- snek._x[0]=x;
- snek._y[0]=y;
- live=1;
+ //snek._x[0]=x;
+ //snek._y[0]=y;
+ startx=x;
+ starty=y;
+ startl=lenght;
+ live=_live;
+ if (live==0){
+ live=3;
+ }
_length = lenght;
- counter=0;
+
+ _food.init();
for (int i=0;_length>i;i++)
{
snek._x[i]=x+i;
@@ -51,238 +55,208 @@
_direction = 1;//1 is East, 2 is South, 3 is West, 4 is North
- //putting food at middle of the map before randomizing
+
printf("xog is %d ", snek._x[_length-1]);
//printf("initalized");
}
void Snake::draw(N5110 &lcd){
- checkWallCollision(lcd);
- if (live==1){
- lcd.clear();
-
- lcd.drawRect(0,8,84,48-8,FILL_TRANSPARENT);
- for ( int i=0; _length>i;i++)
- {
- if (snek._x!=0)
- {
- if (snek._y!=0)
- {
- lcd.setPixel(snek._x[i],snek._y[i]);
- }
- }
-
- //draw the snake array
- //draw lines from breakpoint to breakpoint to head
- //draw food
- //lcd.setPixel(48,28);
-
- lcd.refresh();
- //update(pad);
- //printf("drAwn");
- }
- }//live loop
+ checkWallCollision(lcd);
+ if (live!=0){
+ lcd.clear();
+ char buffer1[14];
+ char buffer2[14];
+ sprintf(buffer1,"%2d",live);
+ sprintf(buffer2,"%2d",_length);
+ lcd.printString(buffer1,25,0);
+ lcd.printString(buffer2,70,0);
+ _food.draw(lcd);
+ lcd.drawRect(0,8,84,48-8,FILL_TRANSPARENT);
+ lcd.printString("Life:",0,0);
+ lcd.printString("Pts:",40,0);
+
+ for ( int i=0; _length>i;i++){
+ if (snek._x!=0)
+ {
+ if (snek._y!=0)
+ {
+ lcd.setPixel(snek._x[i],snek._y[i]);
+ }
+ }
+
+
+
+ lcd.refresh();
+
+ //printf("drawn");
+ }
+ }//live loop
}
void Snake::update(Gamepad &pad){
- if (live==1){
+ if (live!=0){
- d=pad.get_direction();
- startx=snek._x[0];
-
- counter=_length-2;
-
- printf("x is %d ", snek._x[_length-1]);
- if (snek._dir[_length-1]==1)
+ d=pad.get_direction();
+ startx=snek._x[0];
+
+ 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 add_point manually
{
- snek._x[_length]++;
- startx=0;
- //snek._dir[counter]=1;
- //counter--;
- //if (counter>0)
- //{counter--;}
+ 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)
+ {
+ snek._x[_length]++;
}
+
if (snek._dir[_length-1]==2)
- {
- snek._y[_length]--;
- //snek._dir[counter]=2;
- //counter--;
- //if (i>0)
- //{counter--;}
-
- }
- if (snek._dir[_length-1]==3)
- {
- snek._x[_length]--;
- //snek._dir[counter]=2;
- //counter--;
- //if (i>0)
- //{counter--;}
+ {
+ snek._y[_length]--;
}
- if (snek._dir[_length-1]==4)
- {
- snek._y[_length]++;
- //snek._dir[counter]=2;
- //counter--;
- //if (i>0)
- //{counter--;}
-
+
+ if (snek._dir[_length-1]==3)
+ {
+ snek._x[_length]--;
}
- for (int i=0 ;_length<i ;i++)
- {
-
- //printf(" x = %d", snek._x[i]);
-
- snek._x[i]=snek._x[i+1];
- snek._y[i]=snek._y[i+1];
- //printf("done");
-
-
- }
+ if (snek._dir[_length-1]==4)
+ {
+ snek._y[_length]++;
+ }
- /*
- //snek._x[i]=snek._x[i+1];
- // snek._y[i]=snek._y[i+1];
- switch (snek._dir[i])
- {
- case 1:
- snek._x[i]++;
-
- case 4:
- snek._y[i]--;
-
- }
- */
-
+ for (int i=0 ;_length<i ;i++)
+ {
+ snek._x[i]=snek._x[i+1];
+ snek._y[i]=snek._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
//set a breakpoint at head by snakeX/Y[i]
//switch case to make sure direction is good
//if head == food, _length++, and -direction we add 1 length
// if head==wall game over
-
-
-
- //if (counter>0)
- // {counter--;}
- if (d==N)
- {
+ if (d==N){
+
+ if (snek._dir[_length-1]!=4)
+ {
+ snek._dir[_length-1] = 2;
+ }
+
+ }
+
+ if (d==E){
- if (snek._dir[_length-1]!=4)
+ if (snek._dir[_length-1]!=3)
{
- snek._dir[_length-1] = 2;
-
- //snek._y[5]--;
- //return;
-
+ snek._dir[_length-1] = 1;
+ }
+
+ }
+ if (d==W){
+
+ if (snek._dir[_length-1]!=1)
+ {
+ snek._dir[_length-1] = 3;
}
}
- if (d==E)
- {
-
- if (snek._dir[_length-1]!=3)
- {
- snek._dir[_length-1] = 1;
-
- //snek._y[5]--;
- //return;
-
- }
-
+ if (d==S){
- }
- if (d==W)
- {
-
- if (snek._dir[_length-1]!=1)
- {
- snek._dir[_length-1] = 3;
-
- //snek._y[5]--;
- //return;
-
- }
-
-
- }
- if (d==S)
- {
-
- if (snek._dir[_length-1]!=2)
+ if (snek._dir[_length-1]!=2)
{
snek._dir[_length-1] = 4;
-
- //snek._y[5]--;
- //return;
-
}
}
- /*switch (d)
- {
- case N:
-
-
- /*case E:
- if (snek._dir[_length]!=3)
- {
- snek._dir[_length-1] = 1;
-
- //snek._y[5]--;
- //return;
-
- }*/
-
-
-
- // }
- //counter=0;
- printf("updated ");
-}//live loop
- }
+
+ printf("updated ");
+ add_point();
+ }//live loop
+}
+
+void Snake::add_point(){
+
+ posXY foodPos = _food.returnPos();
+ if(snek._x[_length-1]==foodPos.x && snek._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];
+ _length=_length+1;
+ _food.respawn();
+ }
+}//end of add_point
-snakePart Snake::add_point(int x, int y){
-
-
-
-
- //snek._x=x;
- //snek._y=y;
-
-
- return;
-
- //_length++;
-
-}
void Snake::deadSnake(N5110 &lcd){
- lcd.clear();
+
+ /*if (live!=0){
+ lcd.clear();
+ lcd.printString("Game Over",0,1);
+ lcd.printString("Press Start",0,2);
+ lcd.printString("To Continue",0,3);
+ lcd.refresh();
+ live--;
+ while ( pad.check_event(Gamepad::START_PRESSED) == false){
+ pad.leds_on();
+ wait(0.05);
+ pad.leds_off();
+ wait(0.05);
+ }
+ init(startx,starty,startl,live);
+ }*/
+ //live--;
+ init(startx,starty,startl,live);
+ if (live==0){
+ lcd.clear();
+ lcd.printString("Game Over",0,1);
+ lcd.printString("Press Start",0,2);
+ lcd.printString("To restart",0,3);
+ lcd.refresh();
+ /* live--;
+ while ( pad.check_event(Gamepad::START_PRESSED) == false){
+ pad.leds_on();
+ wait(0.2);
+ pad.leds_off();
+ wait(0.2);
+ }*/
+ // init(startx,starty,startl,live);
+ }
+ lcd.clear();
lcd.printString("Game Over",0,1);
lcd.refresh();
-live=0;
+ live--;
- }
+ }//end of deadSnake
+
void Snake::checkWallCollision(N5110 &lcd){
- if (snek._x[_length]==WIDTH||snek._x[_length]==0)
- {
-
- deadSnake(lcd);
- }
- if (snek._y[_length]==CEILING||snek._y[_length]==FLOOR)
- {
-
- deadSnake(lcd);
- }
+ if (snek._x[_length]==WIDTH||snek._x[_length]==0)//if snake head hits side walls
+ {
+ deadSnake(lcd);
+ }
+ if (snek._y[_length]==CEILING||snek._y[_length]==FLOOR)//if snake hits top or bottom walls
+ {
+ deadSnake(lcd);
+ }
-
- //return _length;
-
-}
+}//end of checkWallCollision
\ No newline at end of file