Updated readability of the code.

[sixth-3d.git] / src / main / java / eu / svjatoslav / sixth / e3d / renderer / octree / raytracer / Camera.java

diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/renderer/octree/raytracer/Camera.java b/src/main/java/eu/svjatoslav/sixth/e3d/renderer/octree/raytracer/Camera.java
index f205ebf..5670ac0 100755 (executable)
--- a/src/main/java/eu/svjatoslav/sixth/e3d/renderer/octree/raytracer/Camera.java
+++ b/src/main/java/eu/svjatoslav/sixth/e3d/renderer/octree/raytracer/Camera.java
@@ -18,12 +18,15 @@ import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.net.URL;
 
+/**
+ * Camera that sees the raytraced scene.
+ * It is represented on the scene as a textured rectangle.
+ */
 public class Camera extends TexturedRectangle {
 
-    public static final int CAMERA_SIZE = 100;
+    public static final int SIZE = 100;
     public static final int IMAGE_SIZE = 500;
     private final CameraView cameraView;
-    private Point3D camCenter;
 
     public Camera(final Avatar avatar, final double zoom) {
         super(new Transform(avatar.getLocation().clone()));
@@ -51,36 +54,30 @@ public class Camera extends TexturedRectangle {
     }
 
     private void computeCameraCoordinates(final Avatar avatar) {
-        initialize(CAMERA_SIZE, CAMERA_SIZE, IMAGE_SIZE, IMAGE_SIZE, 3);
-
-        camCenter = new Point3D();
+        initialize(SIZE, SIZE, IMAGE_SIZE, IMAGE_SIZE, 3);
 
-        topLeft.setValues(camCenter.x, camCenter.y, camCenter.z + CAMERA_SIZE);
+        Point3D cameraCenter = new Point3D();
 
+        topLeft.setValues(cameraCenter.x, cameraCenter.y, cameraCenter.z + SIZE);
         topRight.clone(topLeft);
         bottomLeft.clone(topLeft);
         bottomRight.clone(topLeft);
 
         final float viewAngle = (float) .6;
 
-        topLeft.rotate(camCenter, -viewAngle, -viewAngle);
-        topRight.rotate(camCenter, viewAngle, -viewAngle);
-        bottomLeft.rotate(camCenter, -viewAngle, viewAngle);
-        bottomRight.rotate(camCenter, viewAngle, viewAngle);
+        topLeft.rotate(cameraCenter, -viewAngle, -viewAngle);
+        topRight.rotate(cameraCenter, viewAngle, -viewAngle);
+        bottomLeft.rotate(cameraCenter, -viewAngle, viewAngle);
+        bottomRight.rotate(cameraCenter, viewAngle, viewAngle);
 
-        topLeft.rotate(camCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
-        topRight.rotate(camCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
-        bottomLeft.rotate(camCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
-        bottomRight.rotate(camCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
+        topLeft.rotate(cameraCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
+        topRight.rotate(cameraCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
+        bottomLeft.rotate(cameraCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
+        bottomRight.rotate(cameraCenter, -avatar.getAngleXZ(), -avatar.getAngleYZ());
 
         final Color cameraColor = new Color(255, 255, 0, 255);
         final LineAppearance appearance = new LineAppearance(2, cameraColor);
 
-        // addShape(appearance.getLine(camCenter, upLeft));
-        // addShape(appearance.getLine(camCenter, upRight));
-        // addShape(appearance.getLine(camCenter, downLeft));
-        // addShape(appearance.getLine(camCenter, downRight));
-
         addShape(appearance.getLine(topLeft, topRight));
         addShape(appearance.getLine(bottomLeft, bottomRight));
         addShape(appearance.getLine(topLeft, bottomLeft));