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Initial implementation of bspline support in the animation editor

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This commit is contained in:
fgenesis 2022-09-23 18:10:44 +02:00
parent 4c52a147b0
commit 575a83abd6
10 changed files with 515 additions and 120 deletions
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34
BBGE/Interpolators.h
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@ -19,24 +19,16 @@ private:
std::vector<std::pair<float, float> > pxy;
};
#endif
class BSpline2D
{
public:
BSpline2D();
// # of control points on each axis
void resize(size_t cx, size_t cy, unsigned degx, unsigned degy, float tmin, float tmax);
void recalc(Vector *dst, size_t xres, size_t yres);
std::vector<Vector> controlpoints;
inline Vector& controlpoint(size_t x, size_t y)
{
return controlpoints[y * _cpx + x];
}
void resize(size_t cx, size_t cy, unsigned degx, unsigned degy);
void recalc(Vector *dst, size_t xres, size_t yres, const Vector *controlpoints);
void reset(Vector *controlpoints);
inline size_t ctrlX() const { return _cpx; }
inline size_t ctrlY() const { return _cpy; }
@ -50,3 +42,23 @@ private:
float _tmin, _tmax;
std::vector<float> knotsX, knotsY;
};
class BSpline2DWithPoints : public BSpline2D
{
public:
void resize(size_t cx, size_t cy, unsigned degx, unsigned degy);
void recalc(Vector *dst, size_t xres, size_t yres);
void reset();
std::vector<Vector> controlpoints;
inline Vector& controlpoint(size_t x, size_t y)
{
return controlpoints[y * ctrlX() + x];
}
};
#endif