b.com/integeruser/jgltut for info, updates and license terms.
Part IV. Texturing Chapter 14. Textures are not Pictures http://www.arcsynthesis.org/gltut/Texturing/Tutorial%2014.html
P - toggle pausing. -,= - rewind/jump forward time by 0.5 second (of real-time). T - toggle viewing the look-at point. G - toggle the drawing of the light source. SPACE - toggle between shader-based Gaussian specular and texture-based specular. 1,2,3,4 - switch to progressively larger textures.
LEFT CLICKING and DRAGGING - rotate the camera around the target point, both horizontally and vertically. LEFT CLICKING and DRAGGING + CTRL - rotate the camera around the target point, either horizontally or vertically. LEFT CLICKING and DRAGGING + ALT - change the camera's up direction. RIGHT CLICKING and DRAGGING - rotate the object horizontally and vertically, relative to the current camera view. RIGHT CLICKING and DRAGGING + CTRL - rotate the object horizontally or vertically only, relative to the current camera view. RIGHT CLICKING and DRAGGING + ALT - spin the object. WHEEL SCROLLING - move the camera closer to it's target point or farther away.
@author integeruser