com.akjava.gwt.threetest.client.ParticleDemo2.java Source code

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Here is the source code for com.akjava.gwt.threetest.client.ParticleDemo2.java

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/*
 * Copyright (C) 2011 aki@akjava.com
 *
 * 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 com.akjava.gwt.threetest.client;

import com.akjava.gwt.three.client.THREE;
import com.akjava.gwt.three.client.cameras.Camera;
import com.akjava.gwt.three.client.core.Object3D;
import com.akjava.gwt.three.client.lights.Light;
import com.akjava.gwt.three.client.objects.Mesh;
import com.akjava.gwt.three.client.renderers.WebGLRenderer;
import com.akjava.gwt.three.client.scenes.Scene;
import com.akjava.gwt.threetest.client.resources.Bundles;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.FocusPanel;

public class ParticleDemo2 extends AbstractDemo {

    private Mesh mesh;

    //original is here
    //www.airtightinteractive.com/demos/cubes_three/
    @Override
    public void start(final WebGLRenderer renderer, final int width, final int height, FocusPanel panel) {
        if (timer != null) {
            timer.cancel();
            timer = null;
        }

        renderer.setClearColorHex(0xcccccc, 1);

        final Camera camera = THREE.PerspectiveCamera(35, (double) width / height, .1, 10000);
        camera.getPosition().set(0, 0, 0);

        final Scene scene = THREE.Scene();

        final Light light = THREE.SpotLight(0xffffff);
        light.setPosition(1000, 2000, 1500);//light.setPosition(5,5, 5);
        scene.add(light);

        final Mesh root = THREE.Mesh(THREE.PlaneGeometry(50, 50),
                THREE.MeshLambertMaterial().color(0x00ee88).build());
        scene.add(root);
        mesh = root;

        Object3D group = THREE.Object3D();

        mesh.add(group);

        final EmitterSystem emitterSystem = new EmitterSystem();
        emitterSystem.setParent(group);
        emitterSystem.setVelocity(THREE.Vector3(0, 200.0 / 120, 0));
        emitterSystem.setVelocityRange(THREE.Vector3(100.0 / 120, 0, 100.0 / 120));

        root.setRotation(Math.toDegrees(45), Math.toDegrees(45), Math.toDegrees(-45));

        //Particle particle=THREE.Particle(THREE.MeshLambertMaterial().color(0x00ee88).build());
        //particle.getScale().set(100, 100, 100);
        //scene.add(particle);

        MainWidget.cameraRotation.setX(0);
        MainWidget.cameraRotation.setZ(0);

        //   MainWidget.cameraMove.setZ(-20);
        MainWidget.cameraMove.setZ(1000);
        //   MainWidget.cameraRotation.setX(-90);
        timer = new Timer() {
            public void run() {
                MainWidget.stats.update();
                try {

                    emitterSystem.update();

                    camera.setPosition(MainWidget.cameraMove.getX(), MainWidget.cameraMove.getY(),
                            MainWidget.cameraMove.getZ());
                    mesh.setRotation(Math.toRadians(MainWidget.cameraRotation.getX()),
                            Math.toRadians(MainWidget.cameraRotation.getY()),
                            Math.toRadians(MainWidget.cameraRotation.getZ()));

                    renderer.render(scene, camera);
                } catch (Exception e) {
                    GWT.log(e.getMessage());
                }
            }
        };
        timer.scheduleRepeating(1000 / 60);
        //timer.schedule(2000);

    }

    @Override
    public String getName() {
        return "Smoke";
    }

    @Override
    public String getHowToHtml() {
        return Bundles.INSTANCE.howto_default().getText();
    }

}