public override void Move()
{
if (myLevel == null) // If no level has been indicated, it will not move
{
return;
}
// Decrease ghost chasing time
if (isGrey)
{
greyTime--;
}
if (greyTime <= 0)
{
greyTime = 200;
BecomeNormal();
}
// Move through the labyrinth
if (myLevel.CanMoveTo(x + xSpeed, y + ySpeed,
x + width + xSpeed, y + height + ySpeed))
{
x += xSpeed;
y += ySpeed;
}
else
{
switch (randomGenerator.Next(0, 4))
{
case 0: // Next move: to the right
xSpeed = baseEnemySpeed;
ySpeed = 0;
break;
case 1: // Next move: to the left
xSpeed = -baseEnemySpeed;
ySpeed = 0;
break;
case 2: // Next move: upwards
xSpeed = 0;
ySpeed = -baseEnemySpeed;
break;
case 3: // Next move: downwards
xSpeed = 0;
ySpeed = baseEnemySpeed;
break;
}
}
// And change image if needed
frameWaitCounter++;
if (frameWaitCounter >= maxFramesToWait)
{
NextFrame();
frameWaitCounter = 0;
}
}