/**
* Copyright 2012 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.opengl.test.junit.jogl.math;
import org.junit.Before;
import org.junit.Test;
import org.junit.FixMethodOrder;
import org.junit.runners.MethodSorters;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
import java.nio.FloatBuffer;
import static org.junit.Assert.assertArrayEquals;
/**
* @author Thomas De Bodt
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestPMVMatrix02NOUI {
private PMVMatrix fMat;
@Before
public void setUp() throws Exception {
fMat = new PMVMatrix();
}
@Test
public void testLookAtNegZIsNoOp() throws Exception {
fMat.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
// Look towards -z
fMat.gluLookAt(
0, 0, 0,
0, 0, -1,
0, 1, 0
);
final FloatBuffer mvMatrix = fMat.glGetMvMatrixf();
final float[] mvMatrixArr = new float[16];
mvMatrix.asReadOnlyBuffer().get(mvMatrixArr);
assertArrayEquals(
/**
* The 3 rows of the matrix (= the 3 columns of the array/buffer) should be: side, up, -forward.
*/
new float[] {
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
},
mvMatrixArr,
1e-6f
);
}
@Test
public void testLookAtPosY() throws Exception {
fMat.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
// Look towards +y
fMat.gluLookAt(
0, 0, 0,
0, 1, 0,
0, 0, 1
);
final FloatBuffer mvMatrix = fMat.glGetMvMatrixf();
final float[] mvMatrixArr = new float[16];
mvMatrix.asReadOnlyBuffer().get(mvMatrixArr);
assertArrayEquals(
/**
* The 3 rows of the matrix (= the 3 columns of the array/buffer) should be: side, up, -forward.
*/
new float[] {
1, 0, 0, 0,
0, 0, -1, 0,
0, 1, 0, 0,
0, 0, 0, 1
},
mvMatrixArr,
1e-6f
);
}
public static void main(final String args[]) {
org.junit.runner.JUnitCore.main(TestPMVMatrix02NOUI.class.getName());
}
}