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/*
* Copyright (C) 2003, 2004 Jason Bevins (original libnoise code)
* Copyright 2010 Thomas J. Hodge (java port of libnoise)
*
* This file is part of libnoiseforjava.
*
* libnoiseforjava is a Java port of the C++ library libnoise, which may be found at
* http://libnoise.sourceforge.net/. libnoise was developed by Jason Bevins, who may be
* contacted at jlbezigvins@gmzigail.com (for great email, take off every 'zig').
* Porting to Java was done by Thomas Hodge, who may be contacted at
* libnoisezagforjava@gzagmail.com (remove every 'zag').
*
* libnoiseforjava is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* libnoiseforjava is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* libnoiseforjava. If not, see <http://www.gnu.org/licenses/>.
*
*/
package libnoiseforjava.module;
import libnoiseforjava.exception.ExceptionInvalidParam;
public class TranslatePoint extends ModuleBase
{
/// Noise module that moves the coordinates of the input value before
/// returning the output value from a source module.
///
/// The getValue() method moves the ( @a x, @a y, @a z ) coordinates of
/// the input value by a translation amount before returning the output
/// value from the source module. To set the translation amount, call
/// the setTranslation() method. To set the translation amount to
/// apply to the individual @a x, @a y, or @a z coordinates, call the
/// setXTranslation(), setYTranslation() or setZTranslation() methods,
/// respectively.
///
/// This noise module requires one source module.
/// Default translation factor applied to the @a x coordinate for the
/// TranslatePoint noise module.
static final double DEFAULT_TRANSLATE_POINT_X = 0.0;
/// Default translation factor applied to the @a y coordinate for the
/// TranslatePoint noise module.
static final double DEFAULT_TRANSLATE_POINT_Y = 0.0;
/// Default translation factor applied to the @a z coordinate for the
/// TranslatePoint noise module.
static final double DEFAULT_TRANSLATE_POINT_Z = 0.0;
/// Translation amount applied to the @a x coordinate of the input
/// value.
double xTranslation;
/// Translation amount applied to the @a y coordinate of the input
/// value.
double yTranslation;
/// Translation amount applied to the @a z coordinate of the input
/// value.
double zTranslation;
public TranslatePoint (ModuleBase sourceModule) throws ExceptionInvalidParam
{
super(1);
setSourceModule(0, sourceModule);
xTranslation = DEFAULT_TRANSLATE_POINT_X;
yTranslation = DEFAULT_TRANSLATE_POINT_Y;
zTranslation = DEFAULT_TRANSLATE_POINT_Z;
}
public double getValue (double x, double y, double z)
{
assert (sourceModules[0] != null);
return sourceModules[0].getValue (x + xTranslation, y + yTranslation,
z + zTranslation);
}
/// Returns the translation amount to apply to the @a x coordinate of
/// the input value.
///
/// @returns The translation amount to apply to the @a x coordinate.
public double getXTranslation ()
{
return xTranslation;
}
/// Returns the translation amount to apply to the @a y coordinate of
/// the input value.
///
/// @returns The translation amount to apply to the @a y coordinate.
public double getYTranslation ()
{
return yTranslation;
}
/// Returns the translation amount to apply to the @a z coordinate of
/// the input value.
///
/// @returns The translation amount to apply to the @a z coordinate.
public double getZTranslation ()
{
return zTranslation;
}
/// Sets the translation amount to apply to the input value.
///
/// @param translation The translation amount to apply.
///
/// The getValue() method moves the ( @a x, @a y, @a z ) coordinates
/// of the input value by a translation amount before returning the
/// output value from the source module
public void setTranslation (double translation)
{
this.xTranslation = translation;
this.yTranslation = translation;
this.zTranslation = translation;
}
/// Sets the translation amounts to apply to the ( @a x, @a y, @a z )
/// coordinates of the input value.
///
/// @param xTranslation The translation amount to apply to the @a x
/// coordinate.
/// @param yTranslation The translation amount to apply to the @a y
/// coordinate.
/// @param zTranslation The translation amount to apply to the @a z
/// coordinate.
///
/// The getValue() method moves the ( @a x, @a y, @a z ) coordinates
/// of the input value by a translation amount before returning the
/// output value from the source module
public void setTranslation (double xTranslation, double yTranslation,
double zTranslation)
{
this.xTranslation = xTranslation;
this.yTranslation = yTranslation;
this.zTranslation = zTranslation;
}
/// Sets the translation amount to apply to the @a x coordinate of the
/// input value.
///
/// @param xTranslation The translation amount to apply to the @a x
/// coordinate.
///
/// The getValue() method moves the ( @a x, @a y, @a z ) coordinates
/// of the input value by a translation amount before returning the
/// output value from the source module
public void setXTranslation (double xTranslation)
{
this.xTranslation = xTranslation;
}
/// Sets the translation amount to apply to the @a y coordinate of the
/// input value.
///
/// @param yTranslation The translation amount to apply to the @a y
/// coordinate.
///
/// The getValue() method moves the ( @a x, @a y, @a z ) coordinates
/// of the input value by a translation amount before returning the
/// output value from the source module
public void setYTranslation (double yTranslation)
{
this.yTranslation = yTranslation;
}
/// Sets the translation amount to apply to the @a z coordinate of the
/// input value.
///
/// @param zTranslation The translation amount to apply to the @a z
/// coordinate.
///
/// The getValue() method moves the ( @a x, @a y, @a z ) coordinates
/// of the input value by a translation amount before returning the
/// output value from the source module
public void setZTranslation (double zTranslation)
{
this.zTranslation = zTranslation;
}
}
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