SurfaceGeometry Struct Reference

Surface geometry information. More...

#include <surfacegeometry.h>

Public Attributes
bool	degenerated
	True if the point is spatially degenerated, e.g., point light source.
Vec3	p
	Intersection point.
Vec3	sn
	Shading normal.
Vec3	gn
	Geometry normal.
Vec3	dpdu
Vec3	dpdv
	Tangent vectors.
Vec3	dndu
Vec3	dndv
	Partial derivatives of shading normal.
Vec2	uv
	Texture coordinates.
Mat3	ToLocal
	Conversion matrix from world coordinates to shading coordinates.
Mat3	ToWorld
	Conversion matrix from shading coordinates to world coordinates.

Detailed Description

Surface geometry information.

The surface geometry information of the intersected point is stored in this structure.