com.ardor3d.example.renderer.PointsExample Maven / Gradle / Ivy

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/**
 * Copyright (c) 2008-2012 Ardor Labs, Inc.
 *
 * This file is part of Ardor3D.
 *
 * Ardor3D is free software: you can redistribute it and/or modify it 
 * under the terms of its license which may be found in the accompanying
 * LICENSE file or at .
 */

package com.ardor3d.example.renderer;

import java.nio.FloatBuffer;

import com.ardor3d.example.ExampleBase;
import com.ardor3d.example.Purpose;
import com.ardor3d.math.MathUtils;
import com.ardor3d.renderer.state.BlendState;
import com.ardor3d.scenegraph.Point;
import com.ardor3d.util.geom.BufferUtils;

/**
 * A simple demonstration of displaying numerous Point in three-dimensions.
 */
@Purpose(htmlDescriptionKey = "com.ardor3d.example.renderer.PointsExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/renderer_PointsExample.jpg", //
maxHeapMemory = 64)
public class PointsExample extends ExampleBase {

    static final int POINTS = 25;

    public static void main(final String[] args) {
        start(PointsExample.class);
    }

    /**
     * Set up some points...
     */
    @Override
    protected void initExample() {
        _lightState.setEnabled(false);

        final FloatBuffer pointData = BufferUtils.createFloatBuffer(POINTS * 3);
        for (int i = 0; i < POINTS; i++) {
            pointData.put((MathUtils.nextRandomFloat() * 12) - 6); // x
            pointData.put((MathUtils.nextRandomFloat() * 12) - 6); // y
            pointData.put((MathUtils.nextRandomFloat() * 10) - 15); // z
        }
        final Point pointsA = new Point("points", pointData, null, null, null);
        pointsA.setRandomColors();
        pointsA.setAntialiased(true);
        pointsA.setPointSize(4.25f);

        final BlendState bState = new BlendState();
        bState.setBlendEnabled(true);
        pointsA.setRenderState(bState);
        _root.attachChild(pointsA);
    }
}