Is there any way to find Ray - Shape intersection point?

Malcolm Revenge's picture
Malcolm Revenge
Thu, 08/03/2017 - 15:10
Forums: 
Modeling Data and Algorithms

Hi! I wanna made shape selection tool, so, is here any way to find ray to shape intersection point or at least make intersection test (true / false) ?

Qr Qr's picture
Qr Qr
Thu, 08/03/2017 - 15:25

You may use IntCurvesFace_ShapeIntersector for precise intersection. For visualization, it is often enough to intersect a ray with triangulation. This is how OCCT selection works (based on BVH decomposition of an object).