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