private SteeringOut Seek(Vector2 targetPos)
{
Vector2 toTarget = targetPos - _owner.Position;
float targetAngle = Utils.Vector2Angle(toTarget);
float limitSpeed = DeltaAngle2LimitSpeed(Utils.AbsDeltaAngle
(_owner.DegreeHeading(), targetAngle));
return(new SteeringOut(limitSpeed, targetAngle));
}
private SteeringOut Pursuit(MovingAgent targetAgent)
{
Vector2 toAgent = targetAgent.Position - _owner.Position;
float deltaHeadingAngle = Utils.AbsDeltaAngle(_owner.DegreeHeading(),
targetAgent.DegreeHeading());
float deltaAngle2Agent = Utils.AbsDeltaAngle(_owner.DegreeHeading(),
Utils.Vector2Angle(toAgent));
// If owner and the target agent head to each other
// -> Seek straight to target agent
if (deltaAngle2Agent < 10 && deltaHeadingAngle < 10)
{
return(Seek(targetAgent.Position));
}
//Else Seek toward the predicted future position
float lookAheadTime = toAgent.magnitude /
(_owner.Velocity + targetAgent.Velocity);
return(Seek(targetAgent.FuturePosition(lookAheadTime)));
}