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We're currently in the process of migrating the Panda3D Manual to a new service. This is a temporary layout in the meantime.
The Roaming Ralph Sample Program
To run a sample program, you need to install Panda3D. If you're a Windows user, you'll find the sample programs in your start menu. If you're a Linux user, you'll find the sample programs in /usr/share/panda3d.
This tutorial shows a character walking on uneven terrain. He rises and falls with the contours of the terrain, stops when he runs into a tree or a rock, and won't walk off the edge. The camera follows him, also moving intelligently over the terrain, and you have some control over the camera angle. The character's body animates sensibly according to his motion.
Much of this is implemented using collision rays to detect the height of the terrain and the presence of obstacles.
Caution: this program uses an extremely inefficient method for detecting the height of the terrain. There is a much better way to do it, but we have not had time to correct the sample program.
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