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 size, final int tailCount, final int starsCount,
+ public Galaxy(final int galaxySize, final int tailCount, final int starsCount,
Transform transform) {
super(transform);
ensureColorsAreInitialized();
- final double angle1 = Math.random() * 10;
- final double angle2 = Math.random() * 10;
+ final double angle1 = random() * 10;
+ final double angle2 = random() * 10;
- final double angleSin1 = Math.sin(angle1);
- final double angleCos1 = Math.cos(angle1);
- final double angleSin2 = Math.sin(angle2);
- final double angleCos2 = Math.cos(angle2);
+ 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 = Math.random() * 10;
+ final double b = random() * 10;
final double s = (b * b) / 30;
- final double v1 = (Math.random() * (11.5 - b)) / 3;
+ final double v1 = (random() * (11.5 - b)) / 3;
final double v1p = v1 / 2;
- final double ane = ((Math.random() * (s / 2)) / tailCount) * 2;
- final double sba = ((2 * Math.PI) / tailCount)
+ final double ane = ((random() * (s / 2)) / tailCount) * 2;
+ final double sba = ((2 * PI) / tailCount)
* random.nextInt(tailCount);
- final double x = (((Math.sin((b - sba) + ane) * s) + (Math.random() * v1)) - v1p)
- * size;
- final double z = (((Math.cos((b - sba) + ane) * s) + (Math.random() * v1)) - v1p)
- * size;
- final double y = ((Math.random() * v1) - v1p) * size;
+ 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));
+ addStar(new Point3D(x1, y1, z2), starSize);
}
}
- private void addStar(final Point3D starLocation) {
- addShape(
- new GlowingPoint(starLocation, 10,
- colors.get((int) (Math.random() * colors.size()))));
+ private void addStar(final Point3D starLocation, double size) {
+ addShape(new GlowingPoint(starLocation, size, colors.get((int) (random() * colors.size()))));
}
private synchronized void ensureColorsAreInitialized() {
for (int i = 0; i < 30; i++)
colors.add(
new Color(
- Math.random() + 0.5,
- Math.random() + 0.5,
- Math.random() + 0.5,
+ random() + 0.5,
+ random() + 0.5,
+ random() + 0.5,
255));
}