private void UpdateMovement()
{
if (TNPC.aiStyle == 11)
{
return;
}
if (!withinFollowing)
{
if (TNPC.Distance(TargetPlayer.Center) <= followingDistance)
{
withinFollowing = true;
fakeTarget = (2 * TargetPlayer.Center + Center) / 3; // center____ __target
}
else
{
float s = TNPC.Distance(TargetPlayer.Center) / 16;
Vector2 vMax = (TargetPlayer.Center - Center).ToLenOf(s * s / 100);
Vector2 accel = (vMax - FakeVelocity) / 120;
FakeVelocity += (Vector)accel;
}
}
else
{
if (TNPC.Distance(TargetPlayer.Center) > followingDistance)
{
withinFollowing = false;
}
}
if (withinFollowing)
{
if (posLockto != null)
{
relativePos = (Vector)posLockto;
FakeVelocity = (Vector)(relativePos + TargetPlayer.Center - Center) / 4;
}
else
{
double t = trackPara * Math.PI / 180;
double ρ = (2 + Math.Abs(3 * Math.Sin(2 * t)) + Math.Abs(2 * Math.Cos(3 * t))) * 16 * 12;
relativePos = new Vector2
{
X = (float)(ρ * Math.Cos(t + Math.PI / 2)),
Y = (float)(ρ * Math.Sin(t + Math.PI / 2))
};
FakeVelocity = (Vector)((relativePos + fakeTarget) - Center) / 4;
if (FakeVelocity.Length > 20)
{
FakeVelocity.Length = 20;
}
if (Vector2.Distance(fakeTarget, TargetPlayer.Center) > 10)
{
fakeTarget += (TargetPlayer.Center - fakeTarget).ToLenOf(9);
}
trackPara++;
}
}
Velocity = FakeVelocity;
UpdateToClient();
}
