RayTMin

Description

Returns the minimum valid intersection distance for the current ray.

Signature

float RayTMin();

Return value

Minimum distance along the ray where intersections are considered

Remarks

Used to prevent self-intersections and near-plane clipping

Availability and Requirements

Defined for the following targets:

hlsl

Available in stages: closesthit, anyhit, miss, intersection.

glsl

Available in stages: closesthit, anyhit, miss, intersection.

cuda

Available in stages: closesthit, anyhit, miss, intersection.

spirv

Available in stages: closesthit, anyhit, miss, intersection.

Requires capability: spvRayTracingKHR.