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The Topographic Apprentice
Shape Animation
An animation system based on Object3D's Shape property
Issue: 2.2 (October/November 2003)
Author: Joe Nastasi
Author Bio: Joe Nastasi is a full-time REALbasic consultant and the developer of A-OK! The Wings of Mercury and FTP Suite. He also wonders where the heck the last year went!
Article Description: No description available.
Article Length (in bytes): 10,246
Starting Page Number: 38
RBD Number: 2218
Resource File(s): None
Related Web Link(s):
http://support.realsoftware.com/feedback
Known Limitations: None
Excerpt of article text...
In this issue's column we will look at the code behind the major functions of the previously-defined classes. We won't cover the getter and setter methods unless they do more
than simply get or set a value.
AnimationClass -- Revisited
Before we start with the code, let's make a small change to the Animation Class that has major implications. Initially, I defined this class as a sub-class of a Timer. While this would work, it is not an approach that allows for easy integration with the other needs of a game loop, such as navigation, camera
control, and weapons control. AnimationClass is now a top-level class.
Not using a timer as a parent class does make it more difficult to control the speed of the animation on a pose-by-pose basis since we no longer can set the Period property. However, it is more important to have an easy way to integrate the Animation System into a game.
PoseClass Code
There are three important pieces of code in this class. First, we set up some properties:
...End of Excerpt. Please purchase the magazine to read the full article.
Article copyrighted by REALbasic Developer magazine. All rights reserved.
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