From: Svjatoslav Agejenko Date: Wed, 22 Feb 2023 21:27:31 +0000 (+0200) Subject: Moved galaxy object to 3D engine demonstration project X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=commitdiff_plain;h=480d59637200df8010fe08533b8a1e4e4a651347;p=sixth-3d-demos.git Moved galaxy object to 3D engine demonstration project --- diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/examples/PointCloudDemo.java b/src/main/java/eu/svjatoslav/sixth/e3d/examples/PointCloudDemo.java deleted file mode 100644 index 8e36080..0000000 --- a/src/main/java/eu/svjatoslav/sixth/e3d/examples/PointCloudDemo.java +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Sixth 3D engine demos. Author: Svjatoslav Agejenko. - * This project is released under Creative Commons Zero (CC0) license. - * -*/ - -package eu.svjatoslav.sixth.e3d.examples; - -import eu.svjatoslav.sixth.e3d.geometry.Point3D; -import eu.svjatoslav.sixth.e3d.gui.ViewFrame; -import eu.svjatoslav.sixth.e3d.math.Transform; -import eu.svjatoslav.sixth.e3d.renderer.raster.ShapeCollection; -import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.Galaxy; - -public class PointCloudDemo { - - public static void main(final String[] args) { - - final ViewFrame viewFrame = new ViewFrame(); - - final ShapeCollection geometryCollection = viewFrame.getViewPanel() - .getRootShapeCollection(); - - Transform transform = new Transform(new Point3D(0, -1000, 1000), 0, 0); - - // add galaxy - geometryCollection.addShape(new Galaxy(500, 3, 10000, transform)); - - } -} diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/examples/galaxy_demo/Galaxy.java b/src/main/java/eu/svjatoslav/sixth/e3d/examples/galaxy_demo/Galaxy.java new file mode 100755 index 0000000..30ea58d --- /dev/null +++ b/src/main/java/eu/svjatoslav/sixth/e3d/examples/galaxy_demo/Galaxy.java @@ -0,0 +1,86 @@ +/* + * Sixth 3D engine. Author: Svjatoslav Agejenko. + * This project is released under Creative Commons Zero (CC0) license. + */ +package eu.svjatoslav.sixth.e3d.examples.galaxy_demo; + +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 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)); + } + +} diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/examples/galaxy_demo/PointCloudDemo.java b/src/main/java/eu/svjatoslav/sixth/e3d/examples/galaxy_demo/PointCloudDemo.java new file mode 100644 index 0000000..6ce037b --- /dev/null +++ b/src/main/java/eu/svjatoslav/sixth/e3d/examples/galaxy_demo/PointCloudDemo.java @@ -0,0 +1,29 @@ +/* + * Sixth 3D engine demos. Author: Svjatoslav Agejenko. + * This project is released under Creative Commons Zero (CC0) license. + * +*/ + +package eu.svjatoslav.sixth.e3d.examples.galaxy_demo; + +import eu.svjatoslav.sixth.e3d.geometry.Point3D; +import eu.svjatoslav.sixth.e3d.gui.ViewFrame; +import eu.svjatoslav.sixth.e3d.math.Transform; +import eu.svjatoslav.sixth.e3d.renderer.raster.ShapeCollection; + +public class PointCloudDemo { + + public static void main(final String[] args) { + + final ViewFrame viewFrame = new ViewFrame(); + + final ShapeCollection geometryCollection = viewFrame.getViewPanel() + .getRootShapeCollection(); + + Transform transform = new Transform(new Point3D(0, -1000, 1000), 0, 0); + + // add galaxy + geometryCollection.addShape(new Galaxy(500, 3, 10000, transform)); + + } +} diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/examples/launcher/ApplicationListPanel.java b/src/main/java/eu/svjatoslav/sixth/e3d/examples/launcher/ApplicationListPanel.java index 2b3b643..ab41bf3 100644 --- a/src/main/java/eu/svjatoslav/sixth/e3d/examples/launcher/ApplicationListPanel.java +++ b/src/main/java/eu/svjatoslav/sixth/e3d/examples/launcher/ApplicationListPanel.java @@ -7,6 +7,7 @@ package eu.svjatoslav.sixth.e3d.examples.launcher; import eu.svjatoslav.sixth.e3d.examples.*; +import eu.svjatoslav.sixth.e3d.examples.galaxy_demo.PointCloudDemo; import javax.swing.*; import java.awt.event.ActionEvent;