![]() ![]() ![]() Glossiness– Controls the spread of the rays traced for reflection occlusion. For ambient occlusion, set this parameter to 1.0 to get a distribution similar to the ambient lighting on a diffuse surface. The effect is that the dirt area is being narrowed closer to the contact edges. For more information, please see the Falloff Parameter example below.ĭistribution – Forces the rays to gather closer to the surface normal. If a texture is also used, the Radius value determines the amount of area where the texture blends.įalloff – Controls the speed of the transition between occluded and unoccluded areas. Radius – Specifies the amount of area (in scene units) where the Dirt effect is produced. If a texture is selected, it overrides the color as long as the texture checkbox is enabled. Occluded Color – Specifies the color that is returned by the texture for occluded areas. ![]() Unoccluded Color – Specifies the color that is returned by the texture for unoccluded areas. With ambient occlusion, rays are traced in all directions uniformly, whereas with reflection occlusion, the direction depends on the viewing direction (just as when calculating reflections) and the spread of the rays depends on the Reflection glossiness and BRDF type used. The difference between ambient and reflection occlusion is basically in the direction in which rays are traced. Reflection Occlusion (Phong, Blinn, Ward) – Reflection occlusion is used. Ambient + Inner Occlusion – A combination of Ambient O cclusion and Inner O cclusion modes used for enhanced weathering effect. When this mode is selected, the rays are traced inside the surface, otherwise, they are traced outside the surface. This mode changes the direction of tracing the rays. instead of crevices, open corners are shaded with the occluded color. Inner Occlusion – Allows the user to invert the effect with respect to surface normals - e.g. Mode – Specifies the procedural mode that is used to generate texture:Īmbient Occlusion – Normal ambient occlusion is calculated. ![]()
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