void keyPressed (unsigned char key, int x, int y){
	keyStates[key] = true;
}

//controls the unpressed state of a certain key
void keyUp(unsigned char key, int x, int y){
	keyStates[key] = false;
}

void keyInit(){
	int i;
	for (i = 0; i < 256; i++)
		keyStates[i] = false;
}

//contains operations based on keyStates
void keyOperations(){
	if (keyStates[27])
		exit(0);
	else if (keyStates['d']){
		moveLeft(&game, map);

	}
	else if (keyStates['q']){
		moveRight(&game, map);

	}
	else if (keyStates['z']){
		jump(&game, map);
	}
}