void Snake::createSnake(const int length)
{
//Set Head Int
head = 0;
//Create Body Tiles
for(int i=0; i <= length; ++i)
{
sf::RectangleShape rectangle = createSeg();
if(i==0)
{
rectangle.setPosition(400,300);
}
else
{
rectangle.setPosition(400,snakeBody[i-1].getPosition().y+20);
}
snakeBody.push_back(rectangle);
}
}
/*
* map_seg: Creates a new segement that is unused in memory of designated size.
*/
void map_seg(Seq_T segMem, Seq_T delMem, uint32_t *seg_num, uint32_t *size)
{
*seg_num = createSeg(segMem, delMem, *size);
}
void Snake::shiftSeg()
{
//Check if food eaten and if so leave last segment else take segment off
if(foodEaten == true)
{
foodEaten = false;
}
else
{
snakeBody.pop_back();
}
//Set direction
sf::RectangleShape rectangle = createSeg();
if(direction == 1) //UP
{
if(facing == "UP" || facing == "LEFT" || facing == "RIGHT" ) // Go new direction
{
rectangle.setPosition(snakeBody[head].getPosition().x,snakeBody[head].getPosition().y-20);
snakeBody.push_front(rectangle);
facing = "UP";
}
else //Keep going opposite direction
{
rectangle.setPosition(snakeBody[head].getPosition().x,snakeBody[head].getPosition().y+20);
snakeBody.push_front(rectangle);
facing = "DOWN";
}
}
else if(direction == 2) //DOWN
{
if(facing == "DOWN" ||facing == "LEFT" || facing == "RIGHT") // Go new direction
{
rectangle.setPosition(snakeBody[head].getPosition().x,snakeBody[head].getPosition().y+20);
snakeBody.push_front(rectangle);
facing = "DOWN";
}
else //Keep going opposite direction
{
rectangle.setPosition(snakeBody[head].getPosition().x,snakeBody[head].getPosition().y-20);
snakeBody.push_front(rectangle);
facing = "UP";
}
}
else if(direction == 3) //LEFT
{
if(facing == "UP" || facing == "DOWN" || facing == "LEFT") // Go new direction
{
rectangle.setPosition(snakeBody[head].getPosition().x-20,snakeBody[head].getPosition().y);
snakeBody.push_front(rectangle);
facing = "LEFT";
}
else //Keep going opposite direction
{
rectangle.setPosition(snakeBody[head].getPosition().x+20,snakeBody[head].getPosition().y);
snakeBody.push_front(rectangle);
facing = "RIGHT";
}
}
else if(direction == 4) //RIGHT
{
if(facing == "UP" || facing == "DOWN"|| facing == "RIGHT") // Go new direction
{
rectangle.setPosition(snakeBody[head].getPosition().x+20,snakeBody[head].getPosition().y);
snakeBody.push_front(rectangle);
facing = "RIGHT";
}
else //Keep going opposite direction
{
rectangle.setPosition(snakeBody[head].getPosition().x-20,snakeBody[head].getPosition().y);
snakeBody.push_front(rectangle);
facing = "LEFT";
}
}
else // FIRST START GAME (START UP)
{
head = 0;
rectangle.setPosition(snakeBody[head].getPosition().x, snakeBody[head].getPosition().y-20);
snakeBody.push_front(rectangle);
facing = "UP";
}
}