May 2014
Beginner to intermediate
592 pages
17h 4m
English
book
Real-Time 3D Rendering with DirectX® and HLSL: A Practical Guide to Graphics Programming
by Paul Varcholik
Content preview from Real-Time 3D Rendering with DirectX® and HLSL: A Practical Guide to Graphics Programming
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Chapter 7. Additional Lighting Models
This chapter expands on the previous lighting models by introducing point lights, spotlights, and multiple lights for your scenes. Along the way, you’ll refine your experience with HLSL and the effect framework.
Point Lights
A point light in a scene is like a light bulb—it has a position that is local to your surroundings, and it radiates light in all directions. This is in contrast to a directional light, which is infinitely far away and whose light appears to come from a single direction. Directional lights have no concept of “moving the light;” point lights have no concept of “rotating the light.”
You can use the same diffuse and specular lighting models with point lights, just as with directional lights. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.