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Implement BVH

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CJSatnarine
2024-07-08 17:31:04 -04:00
parent 5ca33d1762
commit 80f3aff65d
18 changed files with 81908 additions and 351689 deletions
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15
sphere.h
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@@ -11,6 +11,7 @@ class sphere : public hittable {
shared_ptr<material> mat;
bool isMoving;
vec3 centreVec;
aabb bBox;
point3 sphereCentre(double time) const {
// Linearly interpolate from centre1 to centre2 accoedingf to time, where t=0 yields centre1 and t=1 yields centre2.
@@ -19,10 +20,18 @@ class sphere : public hittable {
public:
// Stationary sphere.
sphere(const point3& centre, double radius, shared_ptr<material> mat) : centre1(centre), radius(fmax(0, radius)), mat(mat), isMoving(false) {}
sphere(const point3& centre, double radius, shared_ptr<material> mat) : centre1(centre), radius(fmax(0, radius)), mat(mat), isMoving(false) {
auto rvec = vec3(radius, radius, radius);
bBox = aabb(centre1 - rvec, centre1 + rvec);
}
// Moving sphere.
sphere(const point3& centre1, const point3& centre2, double radius, shared_ptr<material> mat) : centre1(centre1), radius(fmax(0, radius)), mat(mat), isMoving(true) {
auto rvec = vec3(radius, radius, radius);
aabb box1(centre1 - rvec, centre1 + rvec);
aabb box2(centre2 - rvec, centre2 + rvec);
bBox = aabb(box1, box2);
centreVec = centre2 - centre1;
}
@@ -59,6 +68,10 @@ class sphere : public hittable {
return true;
}
aabb boundingBox() const override {
return bBox;
}
};
#endif