double MaxMoveOnZclip(const AABB& boxA, const AABB& boxB, double movedist){
//用boxA去撞boxB，别搞反了 （这好像还是句废话）
if (!(inXclip(boxA, boxB) && inYclip(boxA, boxB))) return movedist;
else if (boxA.zmin >= boxB.zmax && movedist < 0.0) return max(boxB.zmax - boxA.zmin, movedist);
else if (boxA.zmax <= boxB.zmin && movedist > 0.0) return min(boxB.zmin - boxA.zmax, movedist);
//assert(false);
return !stuck ? movedist : 0.0;
}
double MaxMoveOnZclip(AABB boxA, AABB boxB, double movedist){
//用boxA去撞boxB，别搞反了 （这好像还是句废话）
double ret = 0.0;
if (!(inXclip(boxA, boxB) && inYclip(boxA, boxB))){
ret = movedist;
}
else if (boxA.zmin >= boxB.zmax && movedist < 0.00) {
ret = boxB.zmax - boxA.zmin;
if (ret<movedist) ret = movedist;
}
else if (boxA.zmax <= boxB.zmin && movedist > 0.0) {
ret = boxB.zmin - boxA.zmax;
if (ret > movedist) ret = movedist;
}
else{
if (!stuck) ret = movedist;
else ret = 0.0;
}
return ret;
}
bool Hit(AABB boxA, AABB boxB){
return inXclip(boxA, boxB) && inYclip(boxA, boxB) && inZclip(boxA, boxB);
}
bool Hit(const AABB& boxA, const AABB& boxB){
return inXclip(boxA, boxB) && inYclip(boxA, boxB) && inZclip(boxA, boxB);
}
double AABB::maxMoveOnYclip(AABB target, double dist){
if (!inXclip(target))return dist;
if (ymin >= target.ymax && dist<0.0)return std::min(target.ymax - ymin, dist);
if (ymax <= target.ymin && dist>0.0)return std::min(target.ymin - ymax, dist);
return dist;
}
bool AABB::hitWith(AABB target){
return inXclip(target) && inYclip(target);
}