src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/shapes/composite/wireframe/Grid2D.java

   1 /*
   2  * Sixth 3D engine. Copyright ©2012-2018, 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.geometry.Rectangle;
  14 import eu.svjatoslav.sixth.e3d.math.Transform;
  15 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  16 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.base.AbstractCompositeShape;
  17
  18 public class Grid2D extends AbstractCompositeShape {
  19
  20     public Grid2D(final Transform transform, final Rectangle rectangle,
  21                   final int divisionsX, final int divisionsY,
  22                   final LineAppearance appearance) {
  23
  24         super(transform);
  25
  26         final double stepY = rectangle.getHeight() / divisionsY;
  27         final double stepX = rectangle.getWidth() / divisionsX;
  28
  29         for (int yslice = 0; yslice <= divisionsY; yslice++) {
  30             final double y = (yslice * stepY) + rectangle.getLowerY();
  31
  32             for (int xslice = 0; xslice <= divisionsX; xslice++) {
  33                 final double x = (xslice * stepX) + rectangle.getLowerX();
  34
  35                 final Point3D p1 = new Point3D(x, y, 0);
  36                 final Point3D p2 = new Point3D(x + stepX, y, 0);
  37                 final Point3D p3 = new Point3D(x, y + stepY, 0);
  38
  39                 if (xslice < divisionsX)
  40                     addShape(appearance.getLine(p1, p2));
  41
  42                 if (yslice < divisionsY)
  43                     addShape(appearance.getLine(p1, p3));
  44             }
  45
  46         }
  47
  48     }
  49
  50 }