Houdini 16.5 Nodes VOP nodes

Fresnel VOP node

Computes the Fresnel reflection/refraction contributions given a normalized incident ray, a normalized surface normal, and an index of refraction.

The amount of reflected light will be returned in kr, and the amount of transmitted light will be returned in kt. Optionally, the reflection and transmission vectors can be returned in the R and T variables. Both R and T will be normalized.

The global variables I and N will be used if the incident vector and surface normal inputs are not connected. If connected, the N and I vectors must be normalized.

Examples

The following examples include this node.

FlipFluidWire Example for FLIP Solver dynamics node

This example demonstrates the use of the Flip Solver and the Fluid Force DOP. The Fluid Force DOP is used to apply a drag force on a wire object according to the motions of a flip fluid. The drag force is only applied at locations where fluid exists in the fluid object.

FluidGlass Example for Particle Fluid Solver dynamics node

This example demonstrates how to get a smooth fluid stream to pour into a glass.

RampReference

This example demonstrates the use of ramps and referenced ramps which are animated over time.

See also

VOP nodes