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

   1 /*
   2  * Sixth 3D engine. Author: Svjatoslav Agejenko.
   3  * This project is released under Creative Commons Zero (CC0) license.
   4  *
   5 *
   6  */
   7
   8 package eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.wireframe;
   9
  10 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
  11 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  12 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.base.AbstractCompositeShape;
  13
  14 public class Grid3D extends AbstractCompositeShape {
  15
  16     public Grid3D(final Point3D p1t, final Point3D p2t, final double step,
  17                   final LineAppearance appearance) {
  18
  19         super();
  20
  21         final Point3D p1 = new Point3D(p1t);
  22         final Point3D p2 = new Point3D(p2t);
  23
  24         if (p1.x > p2.x) {
  25             final double tmp = p1.x;
  26             p1.x = p2.x;
  27             p2.x = tmp;
  28         }
  29
  30         if (p1.y > p2.y) {
  31             final double tmp = p1.y;
  32             p1.y = p2.y;
  33             p2.y = tmp;
  34         }
  35
  36         if (p1.z > p2.z) {
  37             final double tmp = p1.z;
  38             p1.z = p2.z;
  39             p2.z = tmp;
  40         }
  41
  42         for (double x = p1.x; x <= p2.x; x += step)
  43             for (double y = p1.y; y <= p2.y; y += step)
  44                 for (double z = p1.z; z <= p2.z; z += step) {
  45
  46                     final Point3D p3 = new Point3D(x, y, z);
  47
  48                     if ((x + step) <= p2.x) {
  49                         final Point3D point3d2 = new Point3D(x + step, y, z);
  50                         addShape(appearance.getLine(p3, point3d2));
  51                     }
  52
  53                     if ((y + step) <= p2.y) {
  54                         final Point3D point3d3 = new Point3D(x, y + step, z);
  55                         addShape(appearance.getLine(p3, point3d3));
  56                     }
  57
  58                     if ((z + step) <= p2.z) {
  59                         final Point3D point3d4 = new Point3D(x, y, z + step);
  60                         addShape(appearance.getLine(p3, point3d4));
  61                     }
  62
  63                 }
  64     }
  65 }