/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT OWNER 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.
*/
package jme3test.light;
import com.jme3.app.SimpleApplication;
import com.jme3.light.DirectionalLight;
import com.jme3.light.PointLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Mesh;
import com.jme3.scene.Mesh.Mode;
import com.jme3.scene.Spatial;
import com.jme3.scene.VertexBuffer.Type;
import com.jme3.scene.shape.Quad;
import com.jme3.scene.shape.Sphere;
import com.jme3.util.BufferUtils;
import com.jme3.util.TangentBinormalGenerator;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
public class TestTangentGen extends SimpleApplication {
float angle;
PointLight pl;
Geometry lightMdl;
public static void main(String[] args){
TestTangentGen app = new TestTangentGen();
app.start();
}
@Override
public void simpleInitApp() {
flyCam.setMoveSpeed(20);
Sphere sphereMesh = new Sphere(32, 32, 1);
sphereMesh.setTextureMode(Sphere.TextureMode.Projected);
sphereMesh.updateGeometry(32, 32, 1, false, false);
addMesh("Sphere", sphereMesh, new Vector3f(-1, 0, 0));
Quad quadMesh = new Quad(1, 1);
quadMesh.updateGeometry(1, 1);
addMesh("Quad", quadMesh, new Vector3f(1, 0, 0));
Mesh strip = createTriangleStripMesh();
addMesh("strip", strip, new Vector3f(0, -3, 0));
DirectionalLight dl = new DirectionalLight();
dl.setDirection(new Vector3f(1, -1, -1).normalizeLocal());
dl.setColor(ColorRGBA.White);
rootNode.addLight(dl);
}
private void addMesh(String name, Mesh mesh, Vector3f translation) {
TangentBinormalGenerator.generate(mesh);
Geometry testGeom = new Geometry(name, mesh);
Material mat = assetManager.loadMaterial("Textures/BumpMapTest/Tangent.j3m");
testGeom.setMaterial(mat);
testGeom.getLocalTranslation().set(translation);
rootNode.attachChild(testGeom);
Geometry debug = new Geometry(
"Debug " + name,
TangentBinormalGenerator.genTbnLines(mesh, 0.08f)
);
Material debugMat = assetManager.loadMaterial("Common/Materials/VertexColor.j3m");
debug.setMaterial(debugMat);
debug.setCullHint(Spatial.CullHint.Never);
debug.getLocalTranslation().set(translation);
rootNode.attachChild(debug);
}
@Override
public void simpleUpdate(float tpf){
}
private Mesh createTriangleStripMesh() {
Mesh strip = new Mesh();
strip.setMode(Mode.TriangleStrip);
FloatBuffer vb = BufferUtils.createFloatBuffer(3*3*3); // 3 rows * 3 columns * 3 floats
vb.rewind();
vb.put(new float[]{0,2,0}); vb.put(new float[]{1,2,0}); vb.put(new float[]{2,2,0});
vb.put(new float[]{0,1,0}); vb.put(new float[]{1,1,0}); vb.put(new float[]{2,1,0});
vb.put(new float[]{0,0,0}); vb.put(new float[]{1,0,0}); vb.put(new float[]{2,0,0});
FloatBuffer nb = BufferUtils.createFloatBuffer(3*3*3);
nb.rewind();
nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1});
nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1});
nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1});
FloatBuffer tb = BufferUtils.createFloatBuffer(3*3*2);
tb.rewind();
tb.put(new float[]{0,0}); tb.put(new float[]{0.5f,0}); tb.put(new float[]{1,0});
tb.put(new float[]{0,0.5f}); tb.put(new float[]{0.5f,0.5f}); tb.put(new float[]{1,0.5f});
tb.put(new float[]{0,1}); tb.put(new float[]{0.5f,1}); tb.put(new float[]{1,1});
int[] indexes = new int[]{0,3,1,4,2,5, 5,3, 3,6,4,7,5,8};
IntBuffer ib = BufferUtils.createIntBuffer(indexes.length);
ib.put(indexes);
strip.setBuffer(Type.Position, 3, vb);
strip.setBuffer(Type.Normal, 3, nb);
strip.setBuffer(Type.TexCoord, 2, tb);
strip.setBuffer(Type.Index, 3, ib);
strip.updateBound();
return strip;
}
}