jMonkeyEngine 3 教程 (3) - 加载资产

package jme3test.helloworld;

import com.jme3.app.SimpleApplication;
import com.jme3.font.BitmapText;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Spatial;
import com.jme3.scene.shape.Box;


 /** 例子 3 - 如何加载OBJ模型和OgreXML模型，
 * 材质/贴图，或文字 */
public class HelloAssets extends SimpleApplication {

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

    @Override
    public void simpleInitApp() {

        Spatial teapot = assetManager.loadModel("Models/Teapot/Teapot.obj");
        Material mat_default = new Material(
            assetManager, "Common/MatDefs/Misc/ShowNormals.j3md");
        teapot.setMaterial(mat_default);
        rootNode.attachChild(teapot);

        // 创建墙壁。墙壁使用了test_data里的一张贴图
        Box box = new Box(2.5f,2.5f,1.0f);
        Spatial wall = new Geometry("Box", box );
        Material mat_brick = new Material(
            assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
        mat_brick.setTexture("ColorMap",
            assetManager.loadTexture("Textures/Terrain/BrickWall/BrickWall.jpg"));
        wall.setMaterial(mat_brick);
        wall.setLocalTranslation(2.0f,-2.5f,0.0f);
        rootNode.attachChild(wall);

        // 用默认字体显示一行文字
        guiNode.detachAllChildren();
        guiFont = assetManager.loadFont("Interface/Fonts/Default.fnt");
        BitmapText helloText = new BitmapText(guiFont, false);
        helloText.setSize(guiFont.getCharSet().getRenderedSize());
        helloText.setText("Hello World");
        helloText.setLocalTranslation(300, helloText.getLineHeight(), 0);
        guiNode.attachChild(helloText);

        // 从test_data加载模型（OgreXML + 材质 + 贴图）
        Spatial ninja = assetManager.loadModel("Models/Ninja/Ninja.mesh.xml");
        ninja.scale(0.05f, 0.05f, 0.05f);
        ninja.rotate(0.0f, -3.0f, 0.0f);
        ninja.setLocalTranslation(0.0f, -5.0f, -2.0f);
        rootNode.attachChild(ninja);
        // You must add a light to make the model visible
        DirectionalLight sun = new DirectionalLight();
        sun.setDirection(new Vector3f(-0.1f, -0.7f, -1.0f));
        rootNode.addLight(sun);

    }
}