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IntersectionMeshRay Method (Mesh, Ray3d, Int32)

Finds the first intersection of a ray with a mesh.

Namespace:  Rhino.Geometry.Intersect
Assembly:  RhinoCommon (in RhinoCommon.dll)
Since: 5.0
public static double MeshRay(
	Mesh mesh,
	Ray3d ray,
	out int[] meshFaceIndices


Type: Rhino.GeometryMesh
A mesh to intersect.
Type: Rhino.GeometryRay3d
A ray to be casted.
Type: SystemInt32
faces on mesh that ray intersects.

Return Value

Type: Double
>= 0.0 parameter along ray if successful. < 0.0 if no intersection found.
The ray may intersect more than one face in cases where the ray hits the edge between two faces or the vertex corner shared by multiple faces, or more than one face is coplanar or happens to be intersecting at the same location as the ray.
See Also