Game Programming Class14

Mixing 2D and 3D

I forgot to show you last week that the spritebatch draw code need to be modified slighty in order top mix 2D and 3D

	        spriteBatch.Begin(SpriteBlendMode.AlphaBlend, SpriteSortMode.Deferred, SaveStateMode.SaveState);

Lighting

The xna basic effect is a simple implementation of a HLSL effect.

HLSL is Microsoft's High level implementation of FFE Fixed Function Pipeline implemented in video hardware.</p> GPU Hardware does two things The vertexr shader runs first and is rasterized to 2D then the pixel shaders run.

• Vertex Shader
• Pixel Shader

Lighting Demo with Basic Effect IntroMeshLights.zip

HLSL

HLSL Demo

Lighting_basics

Per-pixel_lighting

SkyBox

Ziggyware

IntroMeshLightsSkyBox.zip

Sybox generator

http://www.planetside.co.uk/terragen/