void
cpSpaceSegmentQuery(cpSpace *space, cpVect start, cpVect end, cpLayers layers, cpGroup group, cpSpaceSegmentQueryFunc func, void *data)
{
struct SegmentQueryContext context = {
start, end,
layers, group,
func,
};
cpSpaceLock(space); {
cpSpatialIndexSegmentQuery(space->staticShapes, &context, start, end, 1.0f, (cpSpatialIndexSegmentQueryFunc)SegmentQuery, data);
cpSpatialIndexSegmentQuery(space->activeShapes, &context, start, end, 1.0f, (cpSpatialIndexSegmentQueryFunc)SegmentQuery, data);
} cpSpaceUnlock(space, cpTrue);
}
cpShape *
cpSpaceSegmentQueryFirst(cpSpace *space, cpVect start, cpVect end, cpLayers layers, cpGroup group, cpSegmentQueryInfo *out)
{
cpSegmentQueryInfo info = {NULL, 1.0f, cpvzero};
if(out){
(*out) = info;
} else {
out = &info;
}
struct SegmentQueryContext context = {
start, end,
layers, group,
NULL
};
cpSpatialIndexSegmentQuery(space->staticShapes, &context, start, end, 1.0f, (cpSpatialIndexSegmentQueryFunc)SegmentQueryFirst, out);
cpSpatialIndexSegmentQuery(space->activeShapes, &context, start, end, out->t, (cpSpatialIndexSegmentQueryFunc)SegmentQueryFirst, out);
return out->shape;
}
void SpatialIndex::segmentQuery(void *obj,cpVect a,cpVect b,cpFloat t_exit,SpatialIndexSegmentQueryFunc func)
{
cpSpatialIndexSegmentQuery(index,obj,a,b,t_exit,*SpatialIndexSegmentQuery,&func);
}
void SpatialIndex::segmentQuery(void *obj,const cp::Vect& a,const cp::Vect& b,cpFloat t_exit,cpSpatialIndexSegmentQueryFunc func,void *data)
{
cpSpatialIndexSegmentQuery(index,obj,a,b,t_exit,func,data);
}
