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small improvement to y_sort: make clear which item has to be drawn first when two have the same y-coordinate

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(cherry picked from commit 4118b21e43)
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Patrick Reh 2016-09-16 18:00:51 +02:00 committed by Rémi Verschelde
parent 5bfd0bbe5e
commit ff3891f88e
1 changed files with 4 additions and 1 deletions
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5
servers/visual/visual_server_raster.h
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@ -407,7 +407,10 @@ class VisualServerRaster : public VisualServer {
_FORCE_INLINE_ bool operator()(const CanvasItem* p_left,const CanvasItem* p_right) const {
return p_left->xform.elements[2].y < p_right->xform.elements[2].y;
if(Math::abs(p_left->xform.elements[2].y - p_right->xform.elements[2].y) < CMP_EPSILON )
return p_left->xform.elements[2].x < p_right->xform.elements[2].x;
else
return p_left->xform.elements[2].y < p_right->xform.elements[2].y;
}
};