| /* |
| * Copyright (c) 2009-2010 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; |
| } |
| |
| } |