char NPC::getMove(int playerX, int playerY)
{
bool done = false;
static default_random_engine randomEngine(time(NULL));
uniform_int_distribution<int> moveRoll(0, 6);
float distance;
int dx = _x - playerX;
int dy = _y - playerY;
int adx = abs(dx), ady = abs(dy);
distance = sqrt((pow(adx, 2)) + pow(ady, 2.0));
//should the NPC move at all?
switch (_avatar) {
case 'F':
break;
default:
while (!done)
{
if (distance <= 5){
//should the NPC move left/right?
if (adx > ady) {
if (dx < 0) {
return 'a';
}
else {
return 'd';
}
}
else { // or up/down?
if (dy < 0) {
return 'w';
}
else {
return 's';
}
}
}
else {
int randomMove = moveRoll(randomEngine);
switch (randomMove){
case 0:
return 'a';
case 1:
return 'w';
case 2:
return 's';
case 3:
return 'd';
default:
return '.';
}
}
}
}
}
char Enemy::getMove(int playerX, int playerY)
{
static default_random_engine engine(time(NULL));
uniform_int_distribution<int> moveRoll(0, 6);
int distance;
int dx = _x - playerX;
int dy = _y - playerY;
int adx = abs(dx);
int ady = abs(dy);;
distance = adx + ady;
if(distance <= 5)
{
//Moving along X axis
if(adx > ady)
{
if(dx > 0)
{
return 'A';
}
else
{
return 'D';
}
}
else
{
if (dy > 0)
{
return 'W';
}
else
{
return 'S';
}
}
}
int randomMove = moveRoll(engine);
switch (randomMove)
{
case 0:
return 'A';
case 1:
return 'W';
case 2:
return 'S';
case 3:
return 'D';
default:
return '.';
}
}
char Enemy::getMove(int playerX, int playerY){
static mt19937 randomEngine(time(0));
uniform_int_distribution<int> moveRoll(0, 6);
int distance;
int diffX = _x - playerX;
int diffY = _y - playerY;
int aDiffX = abs(diffX);
int aDiffY = abs(diffY);
distance = aDiffX + aDiffY;
if (distance <= 5){
//Moving along X axis
if (aDiffX < aDiffY){ // closer on X axis, so make them move closer on Y axis
if (diffY > 0){ // enemy is to the bottom of player
return 'w'; // so go up
}
else{
return 's';
}
}
else{ // closer on Y axis, so make them move clolser on X axis
if (diffX > 0){ // enemy is to the right of player
return 'a'; // so move left
}
else{
return 'd';
}
}
}
int randomMove = moveRoll(randomEngine);
switch (randomMove)
{
case 0:
return 'a';
case 1:
return 'w';
case 2:
return 's';
case 3:
return 'd';
default:
return '.';
}
}
