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

Introduction

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

Source

/*
 * 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.ArrayList;
import java.util.List;

import com.akjava.gwt.three.client.THREE;
import com.akjava.gwt.three.client.cameras.Camera;
import com.akjava.gwt.three.client.core.Geometry;
import com.akjava.gwt.three.client.gwt.AbstractMovingXYControler;
import com.akjava.gwt.three.client.gwt.Clock;
import com.akjava.gwt.three.client.gwt.Point;
import com.akjava.gwt.three.client.gwt.Spline;
import com.akjava.gwt.three.client.lights.Light;
import com.akjava.gwt.three.client.materials.Material;
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.user.client.Timer;
import com.google.gwt.user.client.ui.FocusPanel;

public class SplineDemo extends AbstractDemo {
    private Timer timer;

    @Override
    public void start(final WebGLRenderer renderer, final int width, final int height, FocusPanel panel) {
        stop();

        final Camera camera = THREE.PerspectiveCamera(35, (double) width / height, .1, 10000);
        camera.getPosition().set(0, 0, 500);

        final Scene scene = THREE.Scene();

        final List<Point> pts = new ArrayList<Point>();
        for (int i = 0; i < 10; i++) {
            double mx = Math.random() * 20 + i * 20 - 100;
            double my = Math.random() * 100;
            pts.add(Point.create(mx, my));
            final Mesh mesh = THREE.Mesh(THREE.SphereGeometry(2, 16, 16),
                    THREE.MeshLambertMaterial().color(0xff0000).build());
            mesh.setPosition(mx, my, 0);
            scene.add(mesh);
        }

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

        final long s = System.currentTimeMillis();
        final long totalDuration = 1000 * 10;

        final Geometry geo = THREE.SphereGeometry(2, 16, 16);
        final Material material = THREE.MeshLambertMaterial().color(0x0000ff).build();
        final Clock clock = new Clock();
        final AbstractMovingXYControler moving = new AbstractMovingXYControler(pts, totalDuration) {

            @Override
            public void moveTo(double x, double y) {
                final Mesh mesh = THREE.Mesh(geo, material);
                mesh.setPosition(x, y, 0);
                //GWT.log(pt.getX()+"x"+pt.getY());
                scene.add(mesh);
            }

            @Override
            public void moveEnd() {

            }
        };
        timer = new Timer() {
            public void run() {
                MainWidget.stats.update();
                long t = clock.delta();
                if (moving.isMoving()) {
                    moving.update(t);
                }
                renderer.render(scene, camera);

            }

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

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

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

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