scratchpad.LoadModelsTest.java Source code

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Here is the source code for scratchpad.LoadModelsTest.java

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/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package scratchpad;

import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.PerspectiveCamera;
import com.badlogic.gdx.graphics.g3d.Environment;
import com.badlogic.gdx.graphics.g3d.Model;
import com.badlogic.gdx.graphics.g3d.ModelBatch;
import com.badlogic.gdx.graphics.g3d.ModelInstance;
import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute;
import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight;
import com.badlogic.gdx.graphics.g3d.loader.G3dModelLoader;
import com.badlogic.gdx.graphics.g3d.utils.CameraInputController;
import com.badlogic.gdx.utils.Array;

import static com.badlogic.gdx.Application.LOG_DEBUG;
import com.badlogic.gdx.math.collision.BoundingBox;

/**
 * See: http://blog.xoppa.com/loading-models-using-libgdx/
 * @author Xoppa
 */
public class LoadModelsTest implements ApplicationListener {
    public PerspectiveCamera cam;
    public CameraInputController camController;
    public ModelBatch modelBatch;
    public AssetManager assets;
    public Array<ModelInstance> instances = new Array<ModelInstance>();
    public Environment environment;
    public boolean loading;
    //private static String FN = "data/ship.g3db";
    //private static String FN = "data/space_frigate_6.g3db";
    private static String FN = "data/space_cruiser_4.g3db";
    //private static String FN = "data/glider_fbx.g3db";
    //private static String FN = "data/Mechvult.FBX.g3db";

    @Override
    public void create() {
        Gdx.app.setLogLevel(LOG_DEBUG);
        modelBatch = new ModelBatch();
        environment = new Environment();
        environment.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1f));
        environment.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -1f, -0.8f, -0.2f));

        cam = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        cam.position.set(50f, 50f, 50f);
        cam.lookAt(0, 0, 0);
        cam.near = 1f;
        cam.far = 300f;
        cam.update();

        camController = new CameraInputController(cam);
        Gdx.input.setInputProcessor(camController);

        assets = new AssetManager();
        assets.load(FN, Model.class);
        loading = true;
    }

    private void doneLoading() {
        Model ship = assets.get(FN, Model.class);
        ModelInstance shipInstance = new ModelInstance(ship);
        BoundingBox b = new BoundingBox();
        shipInstance.calculateBoundingBox(b);
        Gdx.app.debug("kbn", String.format("instance bounding box: %s", b.toString()));
        instances.add(shipInstance);
        loading = false;
    }

    @Override
    public void render() {
        if (loading && assets.update())
            doneLoading();
        camController.update();

        Gdx.gl.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);

        modelBatch.begin(cam);
        modelBatch.render(instances, environment);
        modelBatch.end();
    }

    @Override
    public void dispose() {
        modelBatch.dispose();
        instances.clear();
        assets.dispose();
    }

    @Override
    public void resize(int width, int height) {
    }

    @Override
    public void pause() {
    }

    @Override
    public void resume() {
    }
}