FrankE
686151b511
adjusted BVH improved 2D/3D BVH new bounding volumes new test cases renamed some test-cases for grouping reasons made GPC header-only using slight adjustments
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
#ifndef BOUNDINGVOLUMESPHERE_H
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#define BOUNDINGVOLUMESPHERE_H
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#include "BoundingVolume.h"
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#include "../Sphere3.h"
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#include "../Point3.h"
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class BoundingVolumeSphere3 : public BoundingVolume, public Sphere3 {
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public:
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BoundingVolumeSphere3() {;}
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BoundingVolumeSphere3(const Sphere3& s) : Sphere3(s) {;}
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float getVolumeSize() const {
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return (4.0f / 3.0f) * M_PI * (radius*radius*radius);
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}
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bool contains(const Point3 p) const {
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return Sphere3::contains(p);
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}
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bool intersects(const Ray3& ray) const {
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return Sphere3::intersects(ray);
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}
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/** does the volume intersect with the given volume? */
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bool intersects(const BoundingVolume& other) const {
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const BoundingVolumeSphere3& sphere = (const BoundingVolumeSphere3&) other;
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return Sphere3::intersects(sphere);
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}
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/** does the volume contain the given volume? */
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bool contains(const BoundingVolume& other) const {
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const BoundingVolumeSphere3& sphere = (const BoundingVolumeSphere3&) other;
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return Sphere3::contains(sphere);
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}
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/** construct a volume around the given point-set */
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static BoundingVolumeSphere3 fromVertices(const std::vector<Point3>& verts) {
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BoundingVolumeSphere3 bvs;
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bvs.adjustToPointSet(verts);
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return bvs;
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}
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static BoundingVolumeSphere3 join(const BoundingVolumeSphere3 a, const BoundingVolumeSphere3 b) {
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return BoundingVolumeSphere3(Sphere3::join(a, b));
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}
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};
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#endif // BOUNDINGVOLUMESPHERE_H
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