46 #define VuoPoint3d_SUPPORTS_COMPARISON
69 return (VuoPoint3d){x, y, z};
79 return (VuoPoint3d){ f[0], f[1], f[2] };
100 return (
VuoBox){ center, size };
110 (VuoPoint3d){ (xmin+xmax)/2.f, (ymin+ymax)/2.f, (zmin+zmax)/2.f },
111 (VuoPoint3d){ xmax-xmin, ymax-ymin, zmax-zmin }
134 return u.x*v.x+u.y*v.y+u.z*v.z;
143 return sqrtf(a.x*a.x + a.y*a.y + a.z*a.z);
152 return a / sqrtf(a.x * a.x + a.y * a.y + a.z * a.z);
180 return (a.x*a.x + a.y*a.y + a.z*a.z);
231 if (fabs(a.x) < 0.000001)
232 a.x = copysign(0.000001, a.x);
233 if (fabs(a.y) < 0.000001)
234 a.y = copysign(0.000001, a.y);
235 if (fabs(a.z) < 0.000001)
236 a.z = copysign(0.000001, a.z);
246 return sqrtf((a.x-b.x)*(a.x-b.x) + (a.y-b.y)*(a.y-b.y) + (a.z-b.z)*(a.z-b.z));
255 return a * (1 - t) + b * t;
279 a.x - b.x * floorf(a.x / b.x),
280 a.y - b.y * floorf(a.y / b.y),
281 a.z - b.z * floorf(a.z / b.z)
291 p.x =
VuoReal_spring(timeSinceDrop, dropPosition.x, restingPosition.x, period, damping);
292 p.y =
VuoReal_spring(timeSinceDrop, dropPosition.y, restingPosition.y, period, damping);
293 p.z =
VuoReal_spring(timeSinceDrop, dropPosition.z, restingPosition.z, period, damping);
312 static inline VuoPoint3d
VuoPoint3d_clampn(VuoPoint3d point, VuoPoint3d limitA, VuoPoint3d limitB)
332 return (VuoPoint3d) {
342 static inline VuoPoint3d
VuoPoint3d_snap(VuoPoint3d a, VuoPoint3d center, VuoPoint3d snap)
345 return (VuoPoint3d) {
346 center.x + nonzeroSnap.x * (int)round( (a.x-center.x) / nonzeroSnap.x ),
347 center.y + nonzeroSnap.y * (
int)round( (a.y-center.y) / nonzeroSnap.y ),
348 center.z + nonzeroSnap.z * (int)round( (a.z-center.z) / nonzeroSnap.z )
357 float xmin, ymin, zmin, xmax, ymax, zmax;
362 xmin = fmin(a.center.x - extents_a.x, b.center.x - extents_b.x);
363 xmax = fmax(a.center.x + extents_a.x, b.center.x + extents_b.x);
365 ymin = fmin(a.center.y - extents_a.y, b.center.y - extents_b.y);
366 ymax = fmax(a.center.y + extents_a.y, b.center.y + extents_b.y);
368 zmin = fmin(a.center.z - extents_a.z, b.center.z - extents_b.z);
369 zmax = fmax(a.center.z + extents_a.z, b.center.z + extents_b.z);
379 VuoPoint3d exents = (VuoPoint3d){aabb.size.x / 2.f, aabb.size.y / 2.f};
380 VuoPoint3d min = aabb.center - exents;
381 VuoPoint3d max = aabb.center + exents;
383 return point.x > min.x && point.x < max.x &&
384 point.y > min.y && point.y < max.y &&
385 point.z > min.z && point.z < max.z;
396 return fabs(dist.x) * 2 < size.x &&
397 fabs(dist.y) * 2 < size.y &&
398 fabs(dist.z) * 2 < size.z;