src/main/java/eu/svjatoslav/sixth/e3d/examples/GridSpace.java

   1 /*
   2  * Sixth 3D engine demos. Copyright ©2012-2016, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of version 3 of the GNU Lesser General Public License
   6  * or later as published by the Free Software Foundation.
   7  */
   8
   9 package eu.svjatoslav.sixth.e3d.examples;
  10
  11 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
  12 import eu.svjatoslav.sixth.e3d.gui.ViewFrame;
  13 import eu.svjatoslav.sixth.e3d.renderer.raster.Color;
  14 import eu.svjatoslav.sixth.e3d.renderer.raster.ShapeCollection;
  15 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  16 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.solidpolygon.SolidPolygon;
  17 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.wireframe.Grid3D;
  18
  19 class GridSpace {
  20
  21     private static void addRandomPolygon(final ShapeCollection geometryCollection) {
  22         final Point3D polygonLocation = getRandomPoint(1000);
  23
  24         final double polygonAverageSize = 30;
  25
  26         final Point3D point1 = new Point3D(polygonLocation);
  27         point1.add(getRandomPoint(polygonAverageSize));
  28
  29         final Point3D point2 = new Point3D(polygonLocation);
  30         point2.add(getRandomPoint(polygonAverageSize));
  31
  32         final Point3D point3 = new Point3D(polygonLocation);
  33         point3.add(getRandomPoint(polygonAverageSize));
  34
  35         final Color color = new Color(Math.random(), Math.random(),
  36                 Math.random(), 0.5d);
  37
  38         final SolidPolygon polygon = new SolidPolygon(point1, point2, point3,
  39                 color);
  40         geometryCollection.addShape(polygon);
  41     }
  42
  43     private static Point3D getRandomPoint(final double amplitude) {
  44         return new Point3D((Math.random() * amplitude * 2d) - amplitude,
  45                 (Math.random() * amplitude * 2d) - amplitude, (Math.random()
  46                 * amplitude * 2d)
  47                 - amplitude);
  48     }
  49
  50     public static void main(final String[] args) {
  51
  52         final ViewFrame viewFrame = new ViewFrame();
  53
  54         final ShapeCollection shapeCollection = viewFrame.getView()
  55                 .getContext().getRootShapeCollection();
  56
  57         // add grid
  58         final LineAppearance appearance = new LineAppearance(5, new Color(100,
  59                 100, 255, 60));
  60
  61         shapeCollection.addShape(new Grid3D(new Point3D(1000, -1000, -1000),
  62                 new Point3D(-1000, 1000, 1000), 300, appearance));
  63
  64         // add random polygons
  65         for (int i = 0; i < 3000; i++)
  66             addRandomPolygon(shapeCollection);
  67
  68     }
  69 }