PBRMaterial

AKA Diffuse Color in other nomenclature.

AKA Diffuse Texture in standard nomenclature.

Defines the alpha limits in alpha test mode.

The color of a material in ambient lighting.

AKA Occlusion Texture in other nomenclature.

AKA Occlusion Texture Intensity in other nomenclature.

Stores surface normal data used to displace a mesh in a texture.

The color grading curves provide additional color adjustmnent that is applied after any color grading transform (3D LUT). They allow basic adjustment of saturation and small exposure adjustments, along with color filter tinting to provide white balance adjustment or more stylistic effects. These are similar to controls found in many professional imaging or colorist software. The global controls are applied to the entire image. For advanced tuning, extra controls are provided to adjust the shadow, midtone and highlight areas of the image; corresponding to low luminance, medium luminance, and high luminance areas respectively.

Sets wether the color curves effect is enabled.

Gets wether the color grading effect is enabled.

Sets the Color Grading 2D Lookup Texture.

Sets The camera contrast used on this material.

The camera exposure used on this material. This property is here and not in the camera to allow controlling exposure without full screen post process. This corresponds to a photographic exposure.

Sets wether tonemapping is enabled or not

Intensity of the direct lights e.g. the four lights available in your scene. This impacts both the direct diffuse and specular highlights.

Debug Control allowing disabling the bump map on this material.

If sets to true, disables all the lights affecting the material.

The color emitted from the material.

Intensity of the emissive part of the material. This helps controlling the emissive effect without modifying the emissive color.

Stores the emissive values in a texture.

Enables specular anti aliasing in the PBR shader. It will both interacts on the Geometry for analytical and IBL lighting. It also prefilter the roughness map based on the bump values.

A fresnel is applied to the alpha of the model to ensure grazing angles edges are not alpha tested. And/Or occlude the blended part.

Intensity of the environment e.g. how much the environment will light the object either through harmonics for rough material or through the refelction for shiny ones.

Enforces alpha test in opaque or blend mode in order to improve the performances of some situations.

Force the shader to compute irradiance in the fragment shader in order to take bump in account.

Force normal to face away from face.

Sets the Default image processing configuration used either in the this material.

source material index of refraction (IOR)' / 'destination material IOR.

If sets to true, x component of normal map value will invert (x = 1.0 - x).

If sets to true, y component of normal map value will invert (y = 1.0 - y).

Controls if refraction needs to be inverted on Y. This could be usefull for procedural texture.

Stores the pre-calculated light information of a mesh in a texture.

This parameters will make the material used its opacity to control how much it is refracting aginst not. Materials half opaque for instance using refraction could benefit from this control.

Number of Simultaneous lights allowed on the material.

Specifies the metallic scalar of the metallic/roughness workflow. Can also be used to scale the metalness values of the metallic texture.

Used to switch from specular/glossiness to metallic/roughness workflow.

AKA Glossiness in other nomenclature.

Used to enable roughness/glossiness fetch from a separate chanel depending on the current mode. Gray Scale represents roughness in metallic mode and glossiness in specular mode.

Stores the alpha values in a texture.

Controls the scale bias of the parallax mode.

The color reflected from the material.

Stores the reflection values in a texture.

AKA Specular Color in other nomenclature.

AKA Specular texture in other nomenclature.

Stores the refracted light information in a texture.

Specifies the roughness scalar of the metallic/roughness workflow. Can also be used to scale the roughness values of the metallic texture.

This is a special control allowing the reduction of the specular highlights coming from the four lights of the scene. Those highlights may not be needed in full environment lighting.

If sets to true and backfaceCulling is false, normals will be flipped on the backside.

If set to true, no lighting calculations will be applied.

A fresnel is applied to the alpha of the model to ensure grazing angles edges are not alpha tested. And/Or occlude the blended part. (alpha is converted to gamma to compute the fresnel)

Specifies that the alpha is coming form the albedo channel alpha channel for alpha blending.

Specifies if the ambient texture contains the ambient occlusion information in its red channel only.

Specifies if the metallic texture contains the ambient occlusion information in its red channel.

In case the reflectivity map does not contain the microsurface information in its alpha channel, The material will try to infer what glossiness each pixel should be.

This parameters will enable/disable Horizon occlusion to prevent normal maps to look shiny when the normal makes the reflect vector face the model (under horizon).

A fresnel is applied to the alpha of the model to ensure grazing angles edges are not alpha tested. And/Or occlude the blended part. (alpha stays linear to compute the fresnel)

Specifies if the metallic texture contains the metallness information in its blue channel.

Specifies if the reflectivity texture contains the glossiness information in its alpha channel.

Allows using an object space normal map (instead of tangent space).

Allows using the bump map in parallax mode.

Allows using the bump map in parallax occlusion mode.

BJS is using an harcoded light falloff based on a manually sets up range. In PBR, one way to represents the fallof is to use the inverse squared root algorythm. This parameter can help you switch back to the BJS mode in order to create scenes using both materials.

This parameters will enable/disable radiance occlusion by preventing the radiance to lit too much the area relying on ambient texture to define their ambient occlusion.

Specifies that the material will keeps the reflection highlights over a transparent surface (only the most limunous ones). A car glass is a good exemple of that. When the street lights reflects on it you can not see what is behind.

Specifies if the metallic texture contains the roughness information in its alpha channel.

Specifies if the metallic texture contains the roughness information in its green channel.

Specifies that the material will keeps the specular highlights over a transparent surface (only the most limunous ones). A car glass is a good exemple of that. When sun reflects on it you can not see what is behind.