/**
* Copyright (c) 2008-2012 Ardor Labs, Inc.
*
* This file is part of Ardor3D.
*
* Ardor3D is free software: you can redistribute it and/or modify it
* under the terms of its license which may be found in the accompanying
* LICENSE file or at <http://www.ardor3d.com/LICENSE>.
*/
package com.ardor3d.example.interpolation;
import java.util.Arrays;
import java.util.List;
import com.ardor3d.example.Purpose;
import com.ardor3d.math.Vector3;
import com.ardor3d.math.type.ReadOnlyVector3;
import com.ardor3d.scenegraph.Line;
import com.ardor3d.scenegraph.Point;
import com.ardor3d.scenegraph.controller.interpolation.CurveInterpolationController;
import com.ardor3d.scenegraph.controller.interpolation.Vector3InterpolationController.UpdateField;
import com.ardor3d.spline.CatmullRomSpline;
import com.ardor3d.spline.Curve;
/**
* A demonstration of the CurveInterpolationController class; which will move/translate a Node each epoch through a set
* of 3D coordinates (via spline).
*/
@Purpose(htmlDescriptionKey = "com.ardor3d.example.interpolation.CurveInterpolationControllerExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/interpolation_CurveInterpolationControllerExample.jpg", //
maxHeapMemory = 64)
public class CurveInterpolationControllerExample extends InterpolationControllerBase<CurveInterpolationController> {
public static void main(final String[] args) {
start(CurveInterpolationControllerExample.class);
}
@Override
protected CurveInterpolationController createController() {
// Create our control point vectors
// final ReadOnlyVector3[] vectors = { new Vector3(-15, 0, 0), //
// new Vector3(0, 0, 0), //
// new Vector3(30, 0, 0), //
// new Vector3(90, 0, 0), //
// new Vector3(210, 0, 0), //
// new Vector3(390, 0, 0) };
final ReadOnlyVector3[] vectors = { new Vector3(10, 10, 10), //
new Vector3(0, 10, 0), //
new Vector3(-5, 0, -30), //
new Vector3(-15, 20, -40), //
new Vector3(0, 0, 20), //
new Vector3(10, 0, 0), //
new Vector3(10, 10, 10), //
new Vector3(0, 10, 0), //
new Vector3(-5, 0, -30) };
final List<ReadOnlyVector3> controls = Arrays.asList(vectors);
// Create our curve from the control points and a spline
final Curve curve = new Curve(controls, new CatmullRomSpline());
// Create a line from the curve so its easy to check the box is following it
final Line line = curve.toRenderableLine(10);
line.setRandomColors();
_root.attachChild(line);
// Create points from the curve so the actual control points can be easily seen
final Point point = curve.toRenderablePoint(2);
point.setPointSize(10f);
_root.attachChild(point);
// Create our controller
final CurveInterpolationController controller = new CurveInterpolationController();
controller.setCurve(curve);
controller.setActive(true);
controller.setUpdateField(UpdateField.LOCAL_TRANSLATION);
controller.setSpeed(10.0);
controller.generateArcLengths(10, true); // we must pass true as can switch to cycle repeat type at runtime
controller.setConstantSpeed(true);
return controller;
}
}