- else {
-// select point
- int sz = points.size();
- int last_point = hot_point;
- if( sz > 0 ) {
- SketcherPoint *pt = points[hot_point=0];
- double dist = DISTANCE(output_x,output_y, pt->x,pt->y);
- for( int i=1; i<sz; ++i ) {
- pt = points[i];
- double d = DISTANCE(output_x,output_y, pt->x,pt->y);
- if( d >= dist ) continue;
- dist = d; hot_point = i;
- }
- pt = points[hot_point];
- float px = (pt->x - track_w / 2) * projector_z + projector_x;
- float py = (pt->y - track_h / 2) * projector_z + projector_y;
- dist = DISTANCE(px, py, cursor_x,cursor_y);
- if( dist >= HANDLE_W ) hot_point = -1;
- }
- if( hot_point != last_point ) {
- SketcherPoint *pt = 0;
- if( hot_point >= 0 && hot_point < sz ) {
- pt = points[hot_point];
- point_list->set_point(hot_point, PT_X, pt->x = output_x);
- point_list->set_point(hot_point, PT_Y, pt->y = output_y);
- }
- point_list->update_list(hot_point);
- point_x->update(pt ? pt->x : 0.f);
- point_y->update(pt ? pt->y : 0.f);
- }
+ SketcherPoint *pt = 0; // select point
+ double dist = cv->nearest_point(pi, output_x,output_y);
+ if( dist >= 0 ) {
+ pt = points[pi];
+ float px = (pt->x - track_w / 2) * projector_z + projector_x;
+ float py = (pt->y - track_h / 2) * projector_z + projector_y;
+ float pix = DISTANCE(px, py, cursor_x,cursor_y);
+ if( (state & ControlMask) && pix >= HANDLE_W ) { pi = -1; pt = 0; }