Collision

collision.c

bool noCollision(){
	if (zPos< 2.8 && zPos > -2.8 && xPos < 2.8 && xPos > -2.8 && yPos < 1.44) // if z is in the room (1.44 is the room height)
	{
		if (zPos < -1.8 && zPos > -2.2)        //If in the space between door and stairs
		{
			if (xPos < 0.1 && xPos > -0.1 && DOOROPEN) return true; //x position fits and door is open: no collision
			else return false;
		}
		if (zPos <= -2.2)            //if in the stairway or upstairs
		{
			if (xPos < 0.2 && xPos> -0.2) //check for clash with two walls on opposite sides of stairway
			{
				return true;
			}
			else return false;
		}
		if (xPos < -1.8)            //check for hallroom's left wall
		{
			if (zPos < 0.35 && zPos > -0.35)    //if in the small block on left side no collision
			{
				return true;
			}
			else return false;
		}
		if (xPos > 1.8)            //check for hallroom's right wall
		{
			if (zPos < 0.35 && zPos > -0.35)    //if in the small block on right side no collision
			{
				return true;
			}
			else return false;
		}
		if (zPos > 1.8)            //check for hallroom's back wall
		{
			if (xPos < 0.35 && xPos > -0.35)    //if in the small block on back side no collision
			{
				return true;
			}
			else return false;
		}
		
		return true;
	}
	else if (yPos >= 1.44) // upstairs
	{
		if (zPos < 0.80 && zPos > -5.8 && xPos < 2.8 && xPos > -2.8)    //upstairs room size
		{
			if (zPos > -0.70 && xPos <-0.15){    //for three pillars in the attic
				if (xPos > -2.20 && xPos < -1.65){
					return false;
				}
				else if (xPos < 2.35 && xPos > 1.8) return false;
				else if (xPos > -0.2 && xPos < 0.35) return false;
				else return true;
			}
			if (xPos < 0.35 && xPos > -0.35)   //inside railing
			{
				if (xPos < 0.2 && xPos > -0.2 && zPos < -2.0){
					return true;
				}
				else if (zPos <= -4.2) return true;
				else if (zPos >= -2.0){       //back railing
					if (zPos < -1.8) return false;
					else return true;
				}
				else return false;
				return false;
			}
			if (zPos > -4.2 && zPos < -1.8){ //along railing
				if (xPos < -0.7) return true;//block left and
				if (xPos > 0.7) {
				   return true;//right sides of railing
				   }
				else return false;
			}
			return true;
		}
		else return false;
		return true;
	}
	else if (zPos <= -2.8 && zPos > -5.8)            //check for stairs
	{
		if (xPos < 0.2 && xPos > -0.2) return true;
		else return false;
	}
	else return false;
}