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Diffstat (limited to 'hw6/src/bvh_intersector.cpp')
-rw-r--r-- | hw6/src/bvh_intersector.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/hw6/src/bvh_intersector.cpp b/hw6/src/bvh_intersector.cpp new file mode 100644 index 0000000..2eedb2f --- /dev/null +++ b/hw6/src/bvh_intersector.cpp @@ -0,0 +1,54 @@ +/******************************************************************/ +/* This file is part of the homework assignments for CSCI-427/527 */ +/* at The College of William & Mary and authored by Pieter Peers. */ +/* No part of this file, whether altered or in original form, can */ +/* be distributed or used outside the context of CSCI-427/527 */ +/* without consent of either the College of William & Mary or */ +/* Pieter Peers. */ +/******************************************************************/ +#include "bvh_intersector.h" +#include "boundedVolumeNode.h" + +////////////////// +// Constructors // +////////////////// +bvh_intersector::bvh_intersector(void) + : intersector_base() +{ + // Do nothing +} + + +bvh_intersector::bvh_intersector(const std::vector<std::shared_ptr<const boundedPrimitive>>& compounds) + : intersector_base() +{ + // quick bail out if no compounds provided + if(compounds.empty()) return; + + // make a copy + std::vector<std::shared_ptr<const boundedPrimitive>> compoundCopy = compounds; + + // create node + // trivial case: only a single node + if(compounds.size() == 1) + _root = compounds[0]; + // compound case: create a bvh + else + _root = std::shared_ptr<const boundedPrimitive>(new boundedVolumeNode(compoundCopy.begin(), compoundCopy.end())); +} + + +///////////// +// Methods // +///////////// +intersectionPoint bvh_intersector::intersect(const ray& r) const +{ + // check if BVH exists => empty intersection point if not. + if(!_root) return intersectionPoint(); + + // intersect + return _root->intersect(r); +} + + + |