src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/shapes/composite/wireframe/Grid3D.java

   1 /*
   2  * Sixth 3D engine. Copyright ©2012-2019, 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
  10 package eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.wireframe;
  11
  12 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
  13 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  14 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.base.AbstractCompositeShape;
  15
  16 public class Grid3D extends AbstractCompositeShape {
  17
  18     public Grid3D(final Point3D p1t, final Point3D p2t, final double step,
  19                   final LineAppearance appearance) {
  20
  21         super();
  22
  23         final Point3D p1 = new Point3D(p1t);
  24         final Point3D p2 = new Point3D(p2t);
  25
  26         if (p1.x > p2.x) {
  27             final double tmp = p1.x;
  28             p1.x = p2.x;
  29             p2.x = tmp;
  30         }
  31
  32         if (p1.y > p2.y) {
  33             final double tmp = p1.y;
  34             p1.y = p2.y;
  35             p2.y = tmp;
  36         }
  37
  38         if (p1.z > p2.z) {
  39             final double tmp = p1.z;
  40             p1.z = p2.z;
  41             p2.z = tmp;
  42         }
  43
  44         for (double x = p1.x; x <= p2.x; x += step)
  45             for (double y = p1.y; y <= p2.y; y += step)
  46                 for (double z = p1.z; z <= p2.z; z += step) {
  47
  48                     final Point3D p3 = new Point3D(x, y, z);
  49
  50                     if ((x + step) <= p2.x) {
  51                         final Point3D point3d2 = new Point3D(x + step, y, z);
  52                         addShape(appearance.getLine(p3, point3d2));
  53                     }
  54
  55                     if ((y + step) <= p2.y) {
  56                         final Point3D point3d3 = new Point3D(x, y + step, z);
  57                         addShape(appearance.getLine(p3, point3d3));
  58                     }
  59
  60                     if ((z + step) <= p2.z) {
  61                         final Point3D point3d4 = new Point3D(x, y, z + step);
  62                         addShape(appearance.getLine(p3, point3d4));
  63                     }
  64
  65                 }
  66     }
  67 }