bool snakeclass::collision() {
if (snake[0].x == 0 || snake[0].x == Map.width-2 || snake[0].y == 0 || snake[0].y == Map.height-1)
return true;
for (unsigned int i=2; i < snake.size(); i++)
if (snake[0].x == snake[i].x && snake[0].y == snake[i].y)
return true;
if (snake[0].x == food.x && snake[0].y == food.y) {
get = true;
putfood();
Map.points += 10;
if ((Map.points % 100) == 0)
del -= 10000;
} else
get = false;
return false;
}
snakeclass::snakeclass() {
// init a few variables
partchar = '*';
oldalchar = (char)219;
foo = '*';
food.x = 0;
food.y = 0;
for (int i=0; i < 5; i++) {
snake.push_back(Character((5 + i), 8));
Map.map[5 + i][8] = 'X';
}
Map.points = 0;
del = 110000;
get = false;
direction = 'l';
srand(time(0));
putfood();
}
bool snakeclass::collision()
{
//collisuon will walls
if(snake[0].x==0 || snake[0].x==width-1 || snake[0].y==0 || snake[0].y==height-3)
{
return true;
}
//collsiosn wil itlself
for(int i=2; i<snake.size(); i++)
{
if(snake[0].x== snake[i].x && snake[0].y== snake[i].y) // =================================================
return true;
}
// collsion with food
if(snake[0].x==food.x && snake[0].y == food.y)
{
get=true;
//put another food
putfood();
points+=10;
char c[5];
sprintf(c, "%d", points);
SDL_Surface* text;
SDL_Color white = {255, 255, 255};
text = TTF_RenderText_Solid(font, c, white);
SDL_Rect tmp = {0, 380};
// black rectangle to dlete points postion
draw.drawRect(0, 380, SDL_MapRGB(screen->format, 0, 0, 0), 100, 20);
SDL_BlitSurface(text, NULL, screen, &tmp);
SDL_FreeSurface(text);
if((points%80)==0 && del>0)
del-=20;
}
else
get = false;
return false;
}
snakeclass::snakeclass()
{
//window width and height
width =800;
height=400;
//init SDL and ttf
SDL_Init(SDL_INIT_EVERYTHING);
TTF_Init();
SDL_WM_SetCaption ("Snake", NULL);
font = TTF_OpenFont("lucida.ttf", 16);
screen = SDL_SetVideoMode(width,height, 32, SDL_SWSURFACE);
for(int i=0; i<5; i++)
{
snake.push_back(snakepart(40+i, 10));
}
points = 0;
del = 80;
get = false;
direction = 'l';
srand(time(0));
putfood();
// SDL draw rect edges of the game
draw.drawRect(0,0, SDL_MapRGB(screen->format, 252, 138, 0),width, 10);
draw.drawRect(0,0, SDL_MapRGB(screen->format, 252, 138, 0),10, height-20);
draw.drawRect(0,370, SDL_MapRGB(screen->format, 252, 138, 0),width, 10);
draw.drawRect(width-10,0, SDL_MapRGB(screen->format, 252, 138, 0),10, height-20);
for(auto &i : snake)
{
draw.drawRect(i.x*10,i.y*10, SDL_MapRGB(screen->format, 39, 198, 247));
cout << typeid ( i ).name() << endl;
}
} //end snake constructor
bool move()
{
Seg *aux_seg;
bool ret=false;
switch(mov)
{
case 1:
if(food.x==x+1 && food.y==y) putfood();
else
{
aux_seg=init_seg;
init_seg=init_seg->next;
delete aux_seg;
}
act_seg->x=++x;
if(x>29)act_seg->x=x=0;
act_seg->y=y;
ret=boom(x,y);
act_seg->next=new Seg;
act_seg=act_seg->next;
act_seg->next=0;
break;
case 2:
if(food.x==x && food.y==y+1) putfood();
else
{
aux_seg=init_seg;
init_seg=init_seg->next;
delete aux_seg;
}
act_seg->x=x;
act_seg->y=++y;
if(y>19)act_seg->y=y=0;
ret=boom(x,y);
act_seg->next=new Seg;
act_seg=act_seg->next;
act_seg->next=0;
break;
case 3:
if(food.x==x-1 && food.y==y) putfood();
else
{
aux_seg=init_seg;
init_seg=init_seg->next;
delete aux_seg;
}
act_seg->x=--x;
if(x<0)act_seg->x=x=29;
act_seg->y=y;
ret=boom(x,y);
act_seg->next=new Seg;
act_seg=act_seg->next;
act_seg->next=0;
break;
case 4:
if(food.x==x && food.y==y-1) putfood();
else
{
aux_seg=init_seg;
init_seg=init_seg->next;
delete aux_seg;
}
act_seg->x=x;
act_seg->y=--y;
if(y<0)act_seg->y=y=19;
ret=boom(x,y);
act_seg->next=new Seg;
act_seg=act_seg->next;
act_seg->next=0;
break;
}
//printf("%i %i\n", x, y);
return ret;
}
