-/*
- * 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.gui.ViewPanel;
-import eu.svjatoslav.sixth.e3d.renderer.raster.Color;
-import eu.svjatoslav.sixth.e3d.renderer.raster.ShapeCollection;
-import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
-import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.solidpolygon.SolidPolygon;
-import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.wireframe.WireframeSphere;
-
-public class SphereDemo {
-
- private static final double WAVE_FREQUENCY = 50d;
- private static final double WAVE_AMPLITUDE = 50d;
- private static final Color SQUARE_PLATE_COLOR = new Color("88F7");
-
- private static void makeSquarePlate(final ShapeCollection shapeCollection,
- final double y, final double x, final double z) {
- final Point3D p1 = new Point3D(x, y, z);
- final Point3D p2 = new Point3D(x + 20, y, z);
- final Point3D p3 = new Point3D(x, y, z + 20);
- final Point3D p4 = new Point3D(x + 20, y, z + 20);
- final SolidPolygon polygon1 = new SolidPolygon(p1, p2, p3, SQUARE_PLATE_COLOR);
- final SolidPolygon polygon2 = new SolidPolygon(p4, p2, p3, SQUARE_PLATE_COLOR);
- shapeCollection.addShape(polygon1);
- shapeCollection.addShape(polygon2);
- }
-
- /**
- * @param surfaceElevation surface total elevation
- */
- private static void makeWobblySurface(final ShapeCollection shapeCollection,
- final double surfaceElevation) {
- for (double x = -500; x < 500; x += 20)
- for (double z = -500; z < 500; z += 20) {
-
- // use Pythagorean theorem to compute distance from the center
- final double distanceFromCenter = Math.sqrt((x * x) + (z * z));
-
- double plateElevation = Math.sin(distanceFromCenter / WAVE_FREQUENCY) * WAVE_AMPLITUDE;
-
- makeSquarePlate(shapeCollection, plateElevation + surfaceElevation, x,
- z);
- }
- }
-
- public static void main(final String[] args) {
-
- final ViewFrame viewFrame = new ViewFrame();
- final ViewPanel viewPanel = viewFrame.getViewPanel();
-
- final ShapeCollection geometryCollection = viewPanel
- .getRootShapeCollection();
-
- final LineAppearance appearance = new LineAppearance(4, new Color(255,
- 0, 0, 30));
-
- // add sphere
- geometryCollection.addShape(new WireframeSphere(new Point3D(0, 0, 0),
- 100, appearance));
-
- // create floor
- makeWobblySurface(geometryCollection, 200);
- makeWobblySurface(geometryCollection, -200);
-
- viewPanel.getAvatar().setLocation(new Point3D(0, 0, -340));
-
- }
-}