public override void Update(Chunk chunk)
{
float dt = Game1.DeltaT;
float direction, view;
ViewCone.ToDegrees(out direction, out view);
switch (State)
{
case AIState.Turning:
if (direction < Extents.X || Extents.Y < direction)
{
Velocity = 0;
EdgeTimer = EdgeWaitTime;
State = AIState.Waiting;
}
break;
case AIState.Waiting:
EdgeTimer -= dt;
if (EdgeTimer <= 0)
{
State = AIState.Turning;
if (direction < Extents.X)
{
Velocity = +RotationSpeed;
}
else
{
Velocity = -RotationSpeed;
}
}
break;
}
direction += Velocity * dt;
ViewCone.FromDegrees(direction, view);
base.Update(chunk);
}
public PivotCamera(Vector2 position, Game1 game) : base(position, 0, game)
{
ViewCone.FromDegrees(Extents.X, 33);
}