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Default Extended PBR Model
This model offers more attributes than the Default PBR Model. It allows for selecting and editing:
  • Environment
  • Normal Mapping
  • Albedo Texture, Color, and Blending
  • Specular Color
  • and several aspects of Occlusion Metallic Roughness.
All these Attributes are described in greater detail below.

Attributes

Material

Material
This Attribute provides the Name of the Material as well as the Shading model type. It also sets the Alpha value if it is toggled on.
The Alpha channel is additional to the RGB channels and adds a kind of transparency to the object by mixing the background and foreground colors. For example, if the Alpha value is set to 0.5, then this would result in a 50% mix of the object and its background, providing a somewhat see-through quality.

Environment Map

Environment Map
This enables the user to set a Texture which reflects the environment around an Object, meaning that the Object reflects the surface surrounding it (whether that be the background, another Object, or both combined.).
The two types of offset allow the beginning of the image on the provided Texture to be "delayed" in either the x or y direction. The resulting "cut off" piece wraps around to the start of the image.
U offset (deg) moves the image from left to right (X-axis) and V offset (deg) moves the image from bottom to top (Y-axis).

Normals

Normals
A normal is a line perpendicular to the surface of some object. Normal mapping distorts these normals and simulates a surface with light and shadow, even if the object surface itself is flat. This is only possible with a light source. The Normal Map sets this surface and Use Normal Map toggles it on and off.

Albedo

Albedo
Color of Albedo sets the base diffuse color of the model.
Texture takes any image to add any desired visual information.
Using Blending, the Texture and Color are combined. If Blending is set to 1 then 100% of the Texture is displayed on the Object. If 0.5, then it displays a 50/50 ratio of Texture and Color.

Specular

Specular
Specular is the point of reflection of the light source. Color sets the color of it.

Occlusion Metallic Roughness

Occlusion Metallic Roughness
Use Occlusion toggles occlusion on and off.
Occlusion Texture sets an image for occlusion. Occlusion itself delivers shadow properties. Considering the RGB channels, Occlusion only uses the red channel (keep this in mind when making Texture files). Even without a light source, the Texture will show up as a shadow and light on the Object, simulating a bright side and dark side. Occlusion makes it possible for the user to make a texture for an Object that simulates another Object throwing a shadow on the first Object.
Use Met. Rough. toggles metallic roughness on and off.
Met. Rough. Text... sets an image for metallic roughness to contribute to the overall texture of the metallic material.
Metallic determines how much the surface simulates a metal-like quality, appearing shinier and harder or rougher and duller.
Roughness determines how rough an Object is, limiting or strengthening reflectivity.
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Attributes
Material
Environment Map
Normals
Albedo
Specular
Occlusion Metallic Roughness