jMonkeyEngine/engine/src/test/jme3test/helloworld/HelloMaterial.java

/*
 * 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.
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 * * 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
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 */

package jme3test.helloworld;

import com.jme3.app.SimpleApplication;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.material.RenderState.BlendMode;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.renderer.queue.RenderQueue.Bucket;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;
import com.jme3.scene.shape.Sphere;
import com.jme3.texture.Texture;
import com.jme3.util.TangentBinormalGenerator;

/** Sample 6 - how to give an object's surface a material and texture.
 * How to make objects transparent, or let colors "leak" through partially
 * transparent textures. How to make bumpy and shiny surfaces.  */
public class HelloMaterial extends SimpleApplication {

  public static void main(String[] args) {
    HelloMaterial app = new HelloMaterial();
    app.start();
  }

  @Override
  public void simpleInitApp() {

    /** A simple textured cube -- in good MIP map quality. */
    Box box1Mesh = new Box(1f,1f,1f);
    Geometry cubePlainGeo = new Geometry("My Textured Box", box1Mesh);
    Material stlMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    Texture monkeyTex = assetManager.loadTexture("Interface/Logo/Monkey.jpg");
    stlMat.setTexture("ColorMap", monkeyTex);
    cubePlainGeo.setMaterial(stlMat);
    cubePlainGeo.move(new Vector3f(-3f,1.1f,0f));
    rootNode.attachChild(cubePlainGeo);

    /** A translucent/transparent texture, similar to a window frame. */
    Box box3Mesh = new Box(1f,1f,0.01f);
    Geometry windowGeo = new Geometry("window frame", box3Mesh);
    Material ttMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    ttMat.setTexture("ColorMap", assetManager.loadTexture("Textures/ColoredTex/Monkey.png"));
    ttMat.getAdditionalRenderState().setBlendMode(BlendMode.Alpha);  // activate transparency
    windowGeo.setQueueBucket(Bucket.Transparent);
    windowGeo.setMaterial(ttMat);
    rootNode.attachChild(windowGeo);

    /** A cube with its base color "bleeding" through a partially transparent texture */
    Box box4Mesh = new Box(1f,1f,1f);
    Geometry bleedCubeGeo = new Geometry("bleed-through colored cube", box4Mesh);
    Material tlMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    tlMat.setTexture("ColorMap", assetManager.loadTexture("Textures/ColoredTex/Monkey.png"));
    tlMat.setColor("Color", new ColorRGBA(1f,0f,1f, 1f)); // purple
    bleedCubeGeo.setMaterial(tlMat);
    bleedCubeGeo.move(new Vector3f(3f,-1f,0f));
    rootNode.attachChild(bleedCubeGeo);
    //bleedCubeGeo.setMaterial((Material) assetManager.loadAsset( "Materials/BleedThrough.j3m"));

    /** A bumpy rock with a shiny light effect. To make bumpy objects you must create a NormalMap. */
    Sphere sphereMesh = new Sphere(32,32, 2f);
    Geometry shinyRockGeo = new Geometry("Shiny rock", sphereMesh);
    sphereMesh.setTextureMode(Sphere.TextureMode.Projected); // better quality on spheres
    TangentBinormalGenerator.generate(sphereMesh);           // for lighting effect
    Material litMat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
    litMat.setTexture("DiffuseMap", assetManager.loadTexture("Textures/Terrain/Pond/Pond.jpg"));
    litMat.setTexture("NormalMap", assetManager.loadTexture("Textures/Terrain/Pond/Pond_normal.png"));
    litMat.setBoolean("UseMaterialColors",true);    
    litMat.setColor("Specular",ColorRGBA.White);
    litMat.setColor("Diffuse",ColorRGBA.White);
    litMat.setFloat("Shininess", 64f); // [0,128]
    shinyRockGeo.setMaterial(litMat);
    shinyRockGeo.setLocalTranslation(0,2,-2); // Move it a bit
    shinyRockGeo.rotate(1.6f, 0, 0);          // Rotate it a bit
    rootNode.attachChild(shinyRockGeo);
    
    /** Must add a light to make the lit object visible! */
    DirectionalLight sun = new DirectionalLight();
    sun.setDirection(new Vector3f(1,0,-2).normalizeLocal());
    sun.setColor(ColorRGBA.White);
    rootNode.addLight(sun);

  }
}