HOWLER
PAINT - ANIMATION - 3D
2019

Free Lightwave plugins

Slider custom object lscripts

These slider plugins let you simulate a horizontal or vertical slider.  The parameters can be represented by Y in the slider plugin, and X in the Slider_Horizontal plugin.

In the case of the Slider_Horizontal plugin, only the XY view is used.  Users asked for a solution that could work similarly to Lightwaves slider plugin, but without showing up on every viewport.

The vertical slider can also be seen in perspective view.
Slider custom object in XY view
Nodes


This is a collection of nodes for Lightwave 2018 Nodal. 

Some of the things you can do with our nodes

Reflection
Refraction
Lambert shading
Blinn Fong Specular reflectance
Soft shadow
Occlusion
Smoothstep
Sqrt
Arch
Average Normal
Bend a surface normal toward an object
Lerp normals
Random normals
Reflect normals
Vector Minimum


Functions related to physically based rendering, in Lightwave Nodes


This Lightwave node contains many functions implemented from this article by Jordan Stevens  on PBR rendering.  It remains a work in progress, but you are welcome to use and expand on the effort.  To use it, import it into LW nodal.

Physically based rendering is composed of three primary functions
a Normal Distribution Function (NDF),
a Geometric Shadowing Function (GSF),
and a Fresnel function.  The first two types are implemented in these nodes.
Below are some of the functions implemented.

Beckmann
GGX NDF
Gaussian NDF
SphericalGuassianFresnel
Implicit GSF
Ashkmin-Shirley GSF
Cook Torrence GSF
Kelemen GSF
Duer GSF (currenty not functioning correctly)
Newmann GSF
Modified Kelemen GSF
GGX GSF
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