src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/ShapeCollection.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;
   6
   7 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
   8 import eu.svjatoslav.sixth.e3d.gui.Avatar;
   9 import eu.svjatoslav.sixth.e3d.gui.RenderingContext;
  10 import eu.svjatoslav.sixth.e3d.gui.ViewPanel;
  11 import eu.svjatoslav.sixth.e3d.math.Transform;
  12 import eu.svjatoslav.sixth.e3d.math.TransformsStack;
  13 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.AbstractShape;
  14
  15 import java.util.ArrayList;
  16 import java.util.Collection;
  17 import java.util.List;
  18
  19 public class ShapeCollection {
  20
  21     private final RenderAggregator aggregator = new RenderAggregator();
  22     private final TransformsStack transformPipe = new TransformsStack();
  23     private final List<AbstractShape> shapes = new ArrayList<>();
  24
  25     public synchronized void addShape(final AbstractShape shape) {
  26         shapes.add(shape);
  27     }
  28
  29     public Collection<AbstractShape> getShapes() {
  30         return shapes;
  31     }
  32
  33     public void clear() {
  34         shapes.clear();
  35     }
  36
  37     public synchronized void paint(final ViewPanel viewPanel,
  38                                    final RenderingContext renderingContext) {
  39
  40         renderingContext.frameNumber++;
  41
  42         aggregator.reset();
  43         transformPipe.clear();
  44
  45         // translate scene according to camera current location
  46         final Avatar avatar = viewPanel.getAvatar();
  47
  48         // rotate scene according to avatar looking direction
  49         transformPipe.addTransform(new Transform(new Point3D(), avatar
  50                 .getAngleXZ(), avatar.getAngleYZ()));
  51
  52         // translate scene according to avatar location in the world
  53         final Point3D translation = new Point3D(-avatar.getLocation().x,
  54                 -avatar.getLocation().y, -avatar.getLocation().z);
  55
  56         transformPipe.addTransform(new Transform(translation, 0, 0));
  57
  58         for (final AbstractShape shape : shapes)
  59             shape.transform(transformPipe, aggregator, renderingContext);
  60
  61         aggregator.paint(renderingContext);
  62     }
  63 }