Book Image

jMonkeyEngine 3.0 : Beginner's Guide

Book Image

jMonkeyEngine 3.0 : Beginner's Guide

Overview of this book

jMonkeyEngine 3.0 is a powerful set of free Java libraries that allows you to unlock your imagination, create 3D games and stunning graphics. Using jMonkeyEngine's library of time-tested methods, this book will allow you to unlock its potential and make the creation of beautiful interactive 3D environments a breeze."jMonkeyEngine 3.0 Beginner's Guide" teaches aspiring game developers how to build modern 3D games with Java. This primer on 3D programming is packed with best practices, tips and tricks and loads of example code. Progressing from elementary concepts to advanced effects, budding game developers will have their first game up and running by the end of this book.From basic concepts and project creation to building a complex 3D Game, you will learn to layout 3D scenes, make them interactive and add various multi-media effects.You will find answers to common questions including best practices and approaches, how game characters can act and interact, how to simulate solid walls and physical forces, how to take it online to play over a network and much more.From Zero to Hero, start your journey to make your game idea a reality.
Table of Contents (20 chapters)
jMonkeyEngine 3.0 Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Time for action – get these cubes under control


One type of dedicated jMonkeyEngine class that encapsulates a spatial's behavior is the Control class from the com.jme3.scene.control package. You can create a Control object based on the code mentioned earlier, and add it to an individual cube. This prompts the cube to automatically test its own distance to the camera, and move away when the player looks at it! Seeing is believing:

  1. Create a CubeChaserControl class. Make it extend the AbstractControl class from the com.jme3.scene.control package.

  2. Implement abstract methods of the CubeChaserControl class with the following template:

        @Override
        protected void controlUpdate(float tpf) { }
        protected void controlRender(RenderManager rm, ViewPort vp) { }
        public Control cloneForSpatial(Spatial spatial) {
            throw new UnsupportedOperationException(
                      "Not supported yet.");
        }
  3. Move the ray field from CubeChaser class to the CubeChaserControl class. Create additional...