src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/shapes/composite/wireframe/Grid2D.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.geometry.Rectangle;
   9 import eu.svjatoslav.sixth.e3d.math.Transform;
  10 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  11 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.base.AbstractCompositeShape;
  12
  13 public class Grid2D extends AbstractCompositeShape {
  14
  15     public Grid2D(final Transform transform, final Rectangle rectangle,
  16                   final int divisionsX, final int divisionsY,
  17                   final LineAppearance appearance) {
  18
  19         super(transform);
  20
  21         final double stepY = rectangle.getHeight() / divisionsY;
  22         final double stepX = rectangle.getWidth() / divisionsX;
  23
  24         for (int yslice = 0; yslice <= divisionsY; yslice++) {
  25             final double y = (yslice * stepY) + rectangle.getLowerY();
  26
  27             for (int xslice = 0; xslice <= divisionsX; xslice++) {
  28                 final double x = (xslice * stepX) + rectangle.getLowerX();
  29
  30                 final Point3D p1 = new Point3D(x, y, 0);
  31                 final Point3D p2 = new Point3D(x + stepX, y, 0);
  32                 final Point3D p3 = new Point3D(x, y + stepY, 0);
  33
  34                 if (xslice < divisionsX)
  35                     addShape(appearance.getLine(p1, p2));
  36
  37                 if (yslice < divisionsY)
  38                     addShape(appearance.getLine(p1, p3));
  39             }
  40
  41         }
  42
  43     }
  44
  45 }