Moved galaxy object to 3D engine demonstration project

diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/shapes/composite/Galaxy.java b/src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/shapes/composite/Galaxy.java
deleted file mode 100755 (executable)
index 5aedf45..0000000
--- a/src/main/java/eu/svjatoslav/sixth/e3d/renderer/raster/shapes/composite/Galaxy.java
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Sixth 3D engine. Author: Svjatoslav Agejenko. 
- * This project is released under Creative Commons Zero (CC0) license.
- */
-package eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite;
-
-import eu.svjatoslav.sixth.e3d.geometry.Point3D;
-import eu.svjatoslav.sixth.e3d.math.Transform;
-import eu.svjatoslav.sixth.e3d.renderer.raster.Color;
-import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.GlowingPoint;
-import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.base.AbstractCompositeShape;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-import static java.lang.Math.*;
-
-public class Galaxy extends AbstractCompositeShape {
-
-    private static List<Color> colors;
-
-    public Galaxy(final int galaxySize, final int tailCount, final int starsCount,
-                  Transform transform) {
-
-        super(transform);
-
-        ensureColorsAreInitialized();
-
-        final double angle1 = random() * 10;
-        final double angle2 = random() * 10;
-
-        final double angleSin1 = sin(angle1);
-        final double angleCos1 = cos(angle1);
-        final double angleSin2 = sin(angle2);
-        final double angleCos2 = cos(angle2);
-
-        Random random = new Random();
-
-        double starSize = galaxySize / 70d;
-
-        for (int i = 1; i < starsCount; i++) {
-            final double b = random() * 10;
-
-            final double s = (b * b) / 30;
-
-            final double v1 = (random() * (11.5 - b)) / 3;
-            final double v1p = v1 / 2;
-
-            final double ane = ((random() * (s / 2)) / tailCount) * 2;
-            final double sba = ((2 * PI) / tailCount)
-                    * random.nextInt(tailCount);
-
-            final double x = (((sin((b - sba) + ane) * s) + (random() * v1)) - v1p) * galaxySize;
-            final double z = (((cos((b - sba) + ane) * s) + (random() * v1)) - v1p) * galaxySize;
-            final double y = ((random() * v1) - v1p) * galaxySize;
-
-            final double x1 = (x * angleCos1) + (z * angleSin1);
-            final double z1 = (z * angleCos1) - (x * angleSin1);
-
-            final double y1 = (y * angleCos2) + (z1 * angleSin2);
-            final double z2 = (z1 * angleCos2) - (y * angleSin2);
-
-            addStar(new Point3D(x1, y1, z2), starSize);
-        }
-    }
-
-    private void addStar(final Point3D starLocation, double size) {
-        addShape(new GlowingPoint(starLocation, size, colors.get((int) (random() * colors.size()))));
-    }
-
-    private synchronized void ensureColorsAreInitialized() {
-        if (colors != null) return;
-
-        colors = new ArrayList<>();
-
-        for (int i = 0; i < 30; i++)
-            colors.add(
-                    new Color(
-                            random() + 0.5,
-                            random() + 0.5,
-                            random() + 0.5,
-                            255));
-    }
-
-}