README file from "viewing" directory
~opengl1/examples/viewing README Copyright 1991, 1992, 1993, 1994, Silicon Graphics, Inc. Technical Education Development All Rights Reserved. lookat.c - illustrate the use of gluLookAt() to position the viewing frustum; the arrow keys can be used to change the location of the reference point F1 Key - print Help information Left Arrow Key - move reference point to the left Right Arrow Key - move reference point to the right Up Arrow Key - move reference point up Down Arrow Key - move reference point down Escape Key - exit the program polarView.c - simulate viewing an object as if it were in a glass sphere that we can rotate F1 Key - print Help information Left Arrow Key - move reference point to the left Right Arrow Key - move reference point to the right Up Arrow Key - move reference point up Down Arrow Key - move reference point down <R> Key - reset viewpoint Escape Key - exit the program mouse.c - demonstrates how to use the mouse to control the view Left Mousebutton - move eye position Middle Mousebutton - change twist angle Right Mousebutton - move up / down to zoom in / out <R> Key - reset viewpoint Escape Key - exit the program
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