Exemplo n.º 1
0
    public static DReal RandomRange(DReal min, DReal max)
    {
        var range = DReal.Max(0, max - min);
        var n     = RandomValue() / (uint)0xFFFFFFFF;

        return(n * range + min);
    }
Exemplo n.º 2
0
    // This could be smarter. If dest is too close & perpendicular, then the tank
    // can end up circling around.
    public void MoveTowards(DVector2 dest)
    {
        ComSat.Trace(this, "MoveTowards");
        var dir         = dest - entity.position; // also vector to dest.
        var targetAngle = DVector2.ToAngle(dir);
        var baseAngle   = Utility.CalculateNewAngle(entity.rotation, targetAngle, DReal.Radians(turnSpeed));

        entity.rotation = baseAngle;

        // Move along current heading. Ramp speed up as the angle gets closer.
        // Augh.
        // [-pi,pi] => [0,2pi]
        if (targetAngle < 0)
        {
            targetAngle += DReal.TwoPI;
        }
        // Get targetAngle within +/- pi of baseAngle.
        if (targetAngle < baseAngle - DReal.PI)
        {
            targetAngle += DReal.TwoPI;
        }
        else if (targetAngle > baseAngle + DReal.PI)
        {
            targetAngle -= DReal.TwoPI;
        }
        var diff = DReal.Abs(baseAngle - targetAngle);

        if (canMoveWithoutTurning || diff < maxMoveAngle)
        {
            var distance = dir.magnitude;
            //print("Distance: " + distance + "  speed is: " + tickSpeed);
            var speed = minSpeed + (maxSpeed - minSpeed) * (1 - (diff / DReal.PI));
            if (distance < speed)
            {
                speed = DReal.Max(minSpeed, distance);
            }
            entity.velocity = canMoveWithoutTurning ? dir.normalized * speed : DVector2.FromAngle(baseAngle) * speed;
        }
        else
        {
            Stop();
        }
    }