src/main/java/eu/svjatoslav/sixth/e3d/examples/life/Main.java

   1 package eu.svjatoslav.sixth.e3d.examples.life;
   2
   3 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
   4 import eu.svjatoslav.sixth.e3d.geometry.Rectangle;
   5 import eu.svjatoslav.sixth.e3d.math.Transform;
   6 import eu.svjatoslav.sixth.e3d.gui.Avatar;
   7 import eu.svjatoslav.sixth.e3d.gui.ViewContext;
   8 import eu.svjatoslav.sixth.e3d.gui.ViewFrame;
   9 import eu.svjatoslav.sixth.e3d.gui.humaninput.WorldNavigationTracker;
  10 import eu.svjatoslav.sixth.e3d.renderer.raster.Color;
  11 import eu.svjatoslav.sixth.e3d.renderer.raster.ShapeCollection;
  12 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  13 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.wireframe.Grid2D;
  14
  15 import java.awt.event.KeyEvent;
  16
  17
  18 public class Main extends WorldNavigationTracker {
  19
  20     private static final Matrix MATRIX = new Matrix(
  21             new Point3D() // position matrix in the center of the scene
  22     );
  23
  24     public static void main(final String[] args) {
  25         new Main().run();
  26     }
  27
  28     /**
  29      * Handle keyboard input.
  30      */
  31     @Override
  32     public void keyPressed(final KeyEvent event, final ViewContext viewContext) {
  33         switch (event.getKeyChar()) {
  34             case ' ': // space key
  35                 MATRIX.evolve(false);
  36                 break;
  37             case 10: // ENTER
  38                 MATRIX.evolve(true);
  39                 break;
  40             case 'c': // reset matrix
  41                 MATRIX.clear();
  42                 break;
  43             default:
  44                 super.keyPressed(event, viewContext);
  45         }
  46     }
  47
  48     private void run() {
  49
  50         // create application frame visible to the user
  51         final ViewFrame viewFrame = new ViewFrame();
  52
  53         final ShapeCollection shapeCollection = viewFrame.getView()
  54                 .getContext().getRootShapeCollection();
  55
  56         // add matrix
  57         shapeCollection.addShape(MATRIX);
  58
  59         // add wireframe grid (optional)
  60         shapeCollection.addShape(createGrid());
  61
  62         final ViewContext context = viewFrame.getView().getContext();
  63
  64         setAvatarOrientation(context.getAvatar());
  65
  66         // enable receiving of keyboard events
  67         context.getKeyboardFocusTracker().setFocusOwner(this);
  68
  69         // Done! World is built. So ensure screen is updated too.
  70         context.getView().repaintDuringNextViewUpdate();
  71     }
  72
  73     /**
  74      * Create pink wireframe grid below (for decorative purposes).
  75      */
  76     private Grid2D createGrid() {
  77         return new Grid2D(
  78                 new Transform(
  79                         new Point3D( // Grid positioning:
  80                                 0, // center
  81                                 100, // below the main scene
  82                                 0), // center
  83
  84                         // Grid orientation:
  85                         0, // no rotation along XZ axis
  86                         Math.PI / 2), // face down
  87
  88                 new Rectangle(800), // large enough, square grid
  89
  90                 5, 5, // grid will be divided to 5x5 segments
  91
  92                 new LineAppearance(3, // line thickness
  93                         new Color("FF000050") // red and quite transparent
  94                 )
  95         );
  96     }
  97
  98     /**
  99      * Set Avatar/Camera initial position in the world.
 100      */
 101     private void setAvatarOrientation(final Avatar avatar) {
 102         avatar.setLocation(new Point3D(100, -50, -200));
 103         avatar.setAngleXZ(0.2f);
 104         avatar.setAngleYZ(-0.7f);
 105     }
 106
 107 }