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.gui.Avatar;
   6 import eu.svjatoslav.sixth.e3d.gui.ViewFrame;
   7 import eu.svjatoslav.sixth.e3d.gui.ViewPanel;
   8 import eu.svjatoslav.sixth.e3d.gui.humaninput.WorldNavigationTracker;
   9 import eu.svjatoslav.sixth.e3d.math.Transform;
  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 boolean keyPressed(final KeyEvent event, final ViewPanel viewPanel) {
  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                 return super.keyPressed(event, viewPanel);
  45         }
  46         return true;
  47     }
  48
  49     private void run() {
  50
  51         // create application frame visible to the user
  52         final ViewFrame viewFrame = new ViewFrame();
  53
  54         final ShapeCollection shapeCollection = viewFrame.getViewPanel()
  55                 .getRootShapeCollection();
  56
  57         // add matrix
  58         shapeCollection.addShape(MATRIX);
  59
  60         // add wire-frame grid (optional)
  61         shapeCollection.addShape(createGrid());
  62
  63         final ViewPanel viewPanel = viewFrame.getViewPanel();
  64
  65         setAvatarOrientation(viewPanel.getAvatar());
  66
  67         // enable receiving of keyboard events
  68         viewPanel.getKeyboardFocusTracker().setFocusOwner(this);
  69
  70         // Done! World is built. So ensure screen is updated too.
  71         viewPanel.repaintDuringNextViewUpdate();
  72     }
  73
  74     /**
  75      * Create pink wire-frame grid below (for decorative purposes).
  76      */
  77     private Grid2D createGrid() {
  78         return new Grid2D(
  79                 new Transform(
  80                         new Point3D( // Grid positioning:
  81                                 0, // center
  82                                 100, // below the main scene
  83                                 0), // center
  84
  85                         // Grid orientation:
  86                         0, // no rotation along XZ axis
  87                         Math.PI / 2), // face down
  88
  89                 new Rectangle(800), // large enough, square grid
  90
  91                 5, 5, // grid will be divided to 5x5 segments
  92
  93                 new LineAppearance(3, // line thickness
  94                         new Color("FF000050") // red and quite transparent
  95                 )
  96         );
  97     }
  98
  99     /**
 100      * Set Avatar/Camera initial position in the world.
 101      */
 102     private void setAvatarOrientation(final Avatar avatar) {
 103         avatar.setLocation(new Point3D(100, -50, -200));
 104         avatar.setAngleXZ(0.2f);
 105         avatar.setAngleYZ(-0.7f);
 106     }
 107
 108 }