Rendering Techniques in Gears of War 2 - Unreal Engine
Rendering Techniques in Gears of War 2 - Unreal Engine
Rendering Techniques in Gears of War 2 - Unreal Engine
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Example: Surface-space<br />
Surface space<br />
• Inside the Riftworm, characters use a blood shader<br />
• One scalar shader parameter (0-1) to <strong>in</strong>dicate amount <strong>of</strong> blood<br />
• Texture masks for bloody regions and pattern<br />
• Scroll textures downwards <strong>in</strong> texture-space<br />
– Gradient pattern & normalmap<br />
– (Roughly correlates to down <strong>in</strong> world-space)<br />
• Masks and shader parameter multiply<br />
– UUsed d as llerp ffactor t bbetween t a constant t t blood bl d color l and d un-bloodied bl di d color l<br />
• Blood color have negative Blue and Green components<br />
– Produces slight discoloration <strong>in</strong> the transition areas<br />
• ALL_SoldierShaders.S<strong>in</strong>glePlayer.Bloody.SoldierShader_Bloody