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

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Here is the source code for com.akjava.gwt.threetest.client.PickDemo.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 java.util.HashMap;
import java.util.Map;

import com.akjava.gwt.three.client.THREE;
import com.akjava.gwt.three.client.cameras.Camera;
import com.akjava.gwt.three.client.core.Intersect;
import com.akjava.gwt.three.client.core.Projector;
import com.akjava.gwt.three.client.lights.Light;
import com.akjava.gwt.three.client.materials.Material;
import com.akjava.gwt.three.client.meshs.Mesh;
import com.akjava.gwt.three.client.renderers.WebGLRenderer;
import com.akjava.gwt.three.client.scenes.Scene;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.FocusPanel;

public class PickDemo implements Demo {
    private Timer timer;

    @Override
    public void start(final WebGLRenderer renderer, final int width, final int height, FocusPanel panel) {
        if (timer != null) {
            timer.cancel();
            timer = null;
        }
        //renderer.setClearColorHex(0xff0000, 0.5);

        final Map<Integer, Mesh> meshs = new HashMap<Integer, Mesh>();

        final Camera camera = THREE.PerspectiveCamera(35, (double) width / height, .1, 10000);
        camera.getPosition().set(0, 0, 50);

        final Scene scene = THREE.Scene();

        final Material material = THREE.MeshLambertMaterial(0xff00ff, false);

        final Mesh mesh = THREE.Mesh(THREE.CylinderGeometry(5, 5, 5, 6), material);
        scene.add(mesh);

        final Mesh mesh2 = THREE.Mesh(THREE.CylinderGeometry(5, 5, 5, 15),
                THREE.MeshLambertMaterial(0x00ff00, false));
        mesh2.setPosition(0, 10, 0);
        scene.add(mesh2);

        final Mesh mesh3 = THREE.Mesh(THREE.CylinderGeometry(5, 1, 5, 15),
                THREE.MeshLambertMaterial(0x0000ff, false));
        mesh3.setPosition(0, -10, 0);
        scene.add(mesh3);

        final Mesh mesh4 = THREE.Mesh(THREE.CylinderGeometry(5, 4.5, 5, 5),
                THREE.MeshLambertMaterial(0xffff00, false));
        mesh4.setPosition(-10, 0, 0);
        scene.add(mesh4);

        final Light light = THREE.PointLight(0xffffff);
        light.setPosition(10, 0, 10);
        scene.add(light);

        //scene.add(THREE.AmbientLight(0x330000));

        meshs.put(mesh.getId(), mesh);
        meshs.put(mesh2.getId(), mesh2);
        meshs.put(mesh3.getId(), mesh3);
        meshs.put(mesh4.getId(), mesh4);

        timer = new Timer() {
            public void run() {
                mesh.getRotation().incrementX(0.02);
                mesh.getRotation().incrementY(0.02);
                //mesh.setMaterials(material);
                //material.setColor(THREE.Color((int) (Math.random()*0xffffff)));
                //mesh.setMaterials(THREE.MeshLambertMaterial().color((int) (Math.random()*0xffffff)).build());
                renderer.render(scene, camera);

            }
        };
        timer.scheduleRepeating(1000 / 60);

        final Projector projector = THREE.Projector();
        panel.addClickHandler(new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                //GWT.log(event.getX()+"x"+event.getY()+" - "+width+"x"+height);
                JsArray<Intersect> intersects = projector.pickIntersects(event.getX(), event.getY(), width, height,
                        camera, scene);
                if (intersects.length() > 0) {
                    //GWT.log(""+intersects.length());
                }
                for (int i = 0; i < intersects.length(); i++) {
                    Intersect sect = intersects.get(i);
                    //GWT.log(""+sect.getObject().getId()+" = "+sect.getObject().getName());

                    final Mesh target = meshs.get(sect.getObject().getId());
                    final int old = target.getMaterials().get(0).getColor().getHex();
                    target.getMaterials().get(0).getColor().setHex(0xeeeeee);
                    Timer timer = new Timer() {

                        @Override
                        public void run() {
                            target.getMaterials().get(0).getColor().setHex(old);
                        }

                    };
                    timer.schedule(1000);

                }
            }
        });
    }

    @Override
    public void stop() {
        timer.cancel();
    }

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

}