/**
* barsuift-simlife is a life simulator programm
*
* Copyright (C) 2010 Cyrille GACHOT
*
* This file is part of barsuift-simlife.
*
* barsuift-simlife 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.
*
* barsuift-simlife 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 barsuift-simlife. If not, see
* <http://www.gnu.org/licenses/>.
*/
package barsuift.simLife.j3d.tree.helper;
import java.util.Enumeration;
import javax.media.j3d.BoundingBox;
import javax.media.j3d.SceneGraphObject;
import javax.media.j3d.Shape3D;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Point3d;
import junit.framework.Assert;
import barsuift.simLife.j3d.helper.PointTestHelper;
import barsuift.simLife.j3d.tree.BasicTreeTrunk3D;
import com.sun.j3d.utils.geometry.Cylinder;
public final class BasicTreeTrunk3DTestHelper extends Assert {
private BasicTreeTrunk3DTestHelper() {
// private constructor to enforce static access
}
@SuppressWarnings("unchecked")
public static void checkTrunk3D(BasicTreeTrunk3D trunk3D, float expectedHeight, float expectedRadius,
Point3d expectedLowerBottom, Point3d expectedUpperBottom, Point3d expectedMovedLowerBottom,
Point3d expectedMovedUpperBottom, Point3d expectedLowerTop, Point3d expectedUpperTop,
Point3d expectedMovedLowerTop, Point3d expectedMovedUpperTop) {
Cylinder trunkCylinder = trunk3D.getTrunk();
assertEquals(expectedHeight, trunkCylinder.getHeight());
assertEquals(expectedRadius, trunkCylinder.getRadius());
TransformGroup trunkTransformGroup = (TransformGroup) trunk3D.getGroup().getChild(0);
Enumeration transformChilds = trunkTransformGroup.getAllChildren();
// check at least one element
assertTrue(transformChilds.hasMoreElements());
SceneGraphObject child = (SceneGraphObject) transformChilds.nextElement();
assertEquals(trunkCylinder, child);
// check only one element
assertFalse(transformChilds.hasMoreElements());
// get transform object
Transform3D transform3D = new Transform3D();
trunkTransformGroup.getTransform(transform3D);
// check bottom of trunk
Shape3D bottom = trunkCylinder.getShape(Cylinder.BOTTOM);
BoundingBox bottomBounds = (BoundingBox) bottom.getBounds();
Point3d lowerBottom = new Point3d();
bottomBounds.getLower(lowerBottom);
Point3d movedLowerBottom = new Point3d();
transform3D.transform(lowerBottom, movedLowerBottom);
Point3d upperBottom = new Point3d();
bottomBounds.getUpper(upperBottom);
Point3d movedUpperBottom = new Point3d();
transform3D.transform(upperBottom, movedUpperBottom);
PointTestHelper.assertPointEquals(expectedLowerBottom, lowerBottom, 0.02, 0.0001, 0.02);
PointTestHelper.assertPointEquals(expectedMovedLowerBottom, movedLowerBottom, 0.02, 0.0001, 0.02);
PointTestHelper.assertPointEquals(expectedUpperBottom, upperBottom, 0.02, 0.0001, 0.02);
PointTestHelper.assertPointEquals(expectedMovedUpperBottom, movedUpperBottom, 0.02, 0.0001, 0.02);
// check top of trunk
Shape3D top = trunkCylinder.getShape(Cylinder.TOP);
BoundingBox topBounds = (BoundingBox) top.getBounds();
Point3d lowerTop = new Point3d();
topBounds.getLower(lowerTop);
Point3d movedLowerTop = new Point3d();
transform3D.transform(lowerTop, movedLowerTop);
Point3d upperTop = new Point3d();
topBounds.getUpper(upperTop);
Point3d movedUpperTop = new Point3d();
transform3D.transform(upperTop, movedUpperTop);
PointTestHelper.assertPointEquals(expectedLowerTop, lowerTop, 0.02, 0.0001, 0.02);
PointTestHelper.assertPointEquals(expectedMovedLowerTop, movedLowerTop, 0.02, 0.0001, 0.02);
PointTestHelper.assertPointEquals(expectedUpperTop, upperTop, 0.02, 0.0001, 0.02);
PointTestHelper.assertPointEquals(expectedMovedUpperTop, movedUpperTop, 0.02, 0.0001, 0.02);
}
}