scheduledorbitviewstateiterator.java

来自「world wind java sdk 源码」· Java 代码 · 共 473 行 · 第 1/2 页

        OrbitViewAnimator animator = new BasicOrbitViewAnimator.DoubleAnimator(begin, end, propertyAccessor);
        return new ScheduledOrbitViewStateIterator(lengthMillis, animator, smoothed);
    }

    public static ScheduledOrbitViewStateIterator createCenterHeadingPitchIterator(
        Position beginCenter, Position endCenter,
        Angle beginHeading, Angle endHeading,
        Angle beginPitch, Angle endPitch,
        long lengthMillis, boolean smoothed)
    {
        if (beginCenter == null || endCenter == null)
        {
            String message = Logging.getMessage("nullValue.PositionIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }
        if (beginHeading == null || endHeading == null || beginPitch == null || endPitch == null)
        {
            String message = Logging.getMessage("nullValue.AngleIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }
        if (lengthMillis < 0)
        {
            String message = Logging.getMessage("generic.ArgumentOutOfRange", lengthMillis);
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        OrbitViewPropertyAccessor.PositionAccessor cPropAccessor =
                OrbitViewPropertyAccessor.createCenterPositionAccessor();
        OrbitViewPropertyAccessor.AngleAccessor hPropAccessor = OrbitViewPropertyAccessor.createHeadingAccessor();
        OrbitViewPropertyAccessor.AngleAccessor pPropAccessor = OrbitViewPropertyAccessor.createPitchAccessor();

        OrbitViewAnimator cAnimator = new BasicOrbitViewAnimator.PositionAnimator(beginCenter, endCenter, cPropAccessor);
        OrbitViewAnimator hAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginHeading, endHeading, hPropAccessor);
        OrbitViewAnimator pAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginPitch, endPitch, pPropAccessor);

        OrbitViewAnimator animator = new BasicOrbitViewAnimator.CompoundAnimator(cAnimator, hAnimator, pAnimator);
        return new ScheduledOrbitViewStateIterator(lengthMillis, animator, smoothed);
    }

    public static ScheduledOrbitViewStateIterator createCenterZoomIterator(
        Position beginCenter, Position endCenter,
        double beginZoom, double endZoom,
        long lengthMillis, boolean smoothed)
    {
        if (beginCenter == null || endCenter == null)
        {
            String message = Logging.getMessage("nullValue.PositionIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }
        if (lengthMillis < 0)
        {
            String message = Logging.getMessage("generic.ArgumentOutOfRange", lengthMillis);
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        OrbitViewPropertyAccessor.PositionAccessor cPropAccessor =
                OrbitViewPropertyAccessor.createCenterPositionAccessor();
        OrbitViewPropertyAccessor.DoubleAccessor zPropAccessor = OrbitViewPropertyAccessor.createZoomAccessor();

        OrbitViewAnimator cAnimator = new BasicOrbitViewAnimator.PositionAnimator(beginCenter, endCenter, cPropAccessor);
        OrbitViewAnimator zAnimator = new BasicOrbitViewAnimator.DoubleAnimator(beginZoom, endZoom, zPropAccessor);

        OrbitViewAnimator animator = new BasicOrbitViewAnimator.CompoundAnimator(cAnimator, zAnimator);
        return new ScheduledOrbitViewStateIterator(lengthMillis, animator, smoothed);
    }

    public static ScheduledOrbitViewStateIterator createCenterHeadingPitchZoomIterator(
        Position beginCenter, Position endCenter,
        Angle beginHeading, Angle endHeading,
        Angle beginPitch, Angle endPitch,
        double beginZoom, double endZoom,
        long lengthMillis, boolean smoothed)
    {
        if (beginCenter == null || endCenter == null)
        {
            String message = Logging.getMessage("nullValue.PositionIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }
        if (beginHeading == null || endHeading == null || beginPitch == null || endPitch == null)
        {
            String message = Logging.getMessage("nullValue.AngleIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }
        if (lengthMillis < 0)
        {
            String message = Logging.getMessage("generic.ArgumentOutOfRange", lengthMillis);
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        OrbitViewPropertyAccessor.PositionAccessor cPropAccessor =
                OrbitViewPropertyAccessor.createCenterPositionAccessor();
        OrbitViewPropertyAccessor.AngleAccessor hPropAccessor = OrbitViewPropertyAccessor.createHeadingAccessor();
        OrbitViewPropertyAccessor.AngleAccessor pPropAccessor = OrbitViewPropertyAccessor.createPitchAccessor();
        OrbitViewPropertyAccessor.DoubleAccessor zPropAccessor = OrbitViewPropertyAccessor.createZoomAccessor();

        OrbitViewAnimator cAnimator = new BasicOrbitViewAnimator.PositionAnimator(beginCenter, endCenter, cPropAccessor);
        OrbitViewAnimator hAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginHeading, endHeading, hPropAccessor);
        OrbitViewAnimator pAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginPitch, endPitch, pPropAccessor);
        OrbitViewAnimator zAnimator = new BasicOrbitViewAnimator.DoubleAnimator(beginZoom, endZoom, zPropAccessor);

        OrbitViewAnimator animator = new BasicOrbitViewAnimator.CompoundAnimator(
            cAnimator, hAnimator, pAnimator, zAnimator);
        return new ScheduledOrbitViewStateIterator(lengthMillis, animator, smoothed);
    }

    public static ScheduledOrbitViewStateIterator createHeadingPitchIterator(
        Angle beginHeading, Angle endHeading,
        Angle beginPitch, Angle endPitch)
    {
        if (beginHeading == null || endHeading == null || beginPitch == null || endPitch == null)
        {
            String message = Logging.getMessage("nullValue.AngleIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        final long MIN_LENGTH_MILLIS = 500;
        final long MAX_LENGTH_MILLIS = 3000;
        long headingLengthMillis = getScaledLengthMillis(
            beginHeading, endHeading, Angle.POS180,
            MIN_LENGTH_MILLIS, MAX_LENGTH_MILLIS);
        long pitchLengthMillis = getScaledLengthMillis(
            beginPitch, endPitch, Angle.POS90,
            MIN_LENGTH_MILLIS, MAX_LENGTH_MILLIS / 2L);
        long lengthMillis = headingLengthMillis + pitchLengthMillis;
        boolean smoothed = true;
        return createHeadingPitchIterator(
            beginHeading, endHeading,
            beginPitch, endPitch,
            lengthMillis, smoothed);
    }

    public static ScheduledOrbitViewStateIterator createHeadingPitchIterator(
        Angle beginHeading, Angle endHeading,
        Angle beginPitch, Angle endPitch,
        long lengthMillis, boolean smoothed)
    {
        if (beginHeading == null || endHeading == null || beginPitch == null || endPitch == null)
        {
            String message = Logging.getMessage("nullValue.AngleIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }
        if (lengthMillis < 0)
        {
            String message = Logging.getMessage("generic.ArgumentOutOfRange", lengthMillis);
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        OrbitViewPropertyAccessor.AngleAccessor hPropAccessor = OrbitViewPropertyAccessor.createHeadingAccessor();
        OrbitViewPropertyAccessor.AngleAccessor pPropAccessor = OrbitViewPropertyAccessor.createPitchAccessor();

        OrbitViewAnimator hAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginHeading, endHeading, hPropAccessor);
        OrbitViewAnimator pAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginPitch, endPitch, pPropAccessor);

        OrbitViewAnimator animator = new BasicOrbitViewAnimator.CompoundAnimator(hAnimator, pAnimator);
        return new ScheduledOrbitViewStateIterator(lengthMillis, animator, smoothed);
    }

    public static ScheduledOrbitViewStateIterator createHeadingPitchZoomIterator(
        Angle beginHeading, Angle endHeading,
        Angle beginPitch, Angle endPitch,
        double beginZoom, double endZoom,
        long lengthMillis, boolean smoothed)
    {
        if (beginHeading == null || endHeading == null || beginPitch == null || endPitch == null)
        {
            String message = Logging.getMessage("nullValue.AngleIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }
        if (lengthMillis < 0)
        {
            String message = Logging.getMessage("generic.ArgumentOutOfRange", lengthMillis);
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        OrbitViewPropertyAccessor.AngleAccessor hPropAccessor = OrbitViewPropertyAccessor.createHeadingAccessor();
        OrbitViewPropertyAccessor.AngleAccessor pPropAccessor = OrbitViewPropertyAccessor.createPitchAccessor();
        OrbitViewPropertyAccessor.DoubleAccessor zPropAccessor = OrbitViewPropertyAccessor.createZoomAccessor();

        OrbitViewAnimator hAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginHeading, endHeading, hPropAccessor);
        OrbitViewAnimator pAnimator = new BasicOrbitViewAnimator.AngleAnimator(beginPitch, endPitch, pPropAccessor);
        OrbitViewAnimator zAnimator = new BasicOrbitViewAnimator.DoubleAnimator(beginZoom, endZoom, zPropAccessor);

        OrbitViewAnimator animator = new BasicOrbitViewAnimator.CompoundAnimator(hAnimator, pAnimator, zAnimator);
        return new ScheduledOrbitViewStateIterator(lengthMillis, animator, smoothed);
    }

    private static long getScaledLengthMillis(
        Angle begin, Angle end, Angle max,
        long minLengthMillis, long maxLengthMillis)
    {
        Angle angularDistance = begin.angularDistanceTo(end);
        double scaleFactor = angularRatio(angularDistance, max);
        return (long) mixDouble(scaleFactor, minLengthMillis, maxLengthMillis);
    }

    private static double angularRatio(Angle x, Angle y)
    {
        if (x == null || y == null)
        {
            String message = Logging.getMessage("nullValue.AngleIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        double unclampedRatio = x.divide(y);
        return clampDouble(unclampedRatio, 0, 1);
    }

    private static double clampDouble(double value, double min, double max)
    {
        return value < min ? min : (value > max ? max : value);
    }

    private static double mixDouble(double amount, double value1, double value2)
    {
        if (amount < 0)
            return value1;
        else if (amount > 1)
            return value2;
        return value1 * (1.0 - amount) + value2 * amount;
    }
}