Some QuadTree fixes.

[ipdf/code.git] / src / quadtree.cpp

diff --git a/src/quadtree.cpp b/src/quadtree.cpp
index e93a0f0..04630b7 100644 (file)
--- a/src/quadtree.cpp
+++ b/src/quadtree.cpp
@@ -12,11 +12,11 @@ Rect TransformToQuadChild(const Rect& src, QuadTreeNodeChildren child_type)
        dst.h *= 2;
        if (child_type == QTC_BOTTOM_LEFT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.x -= 1;
+               dst.y -= 1;
        }
        if (child_type == QTC_TOP_RIGHT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.y -= 1;
+               dst.x -= 1;
        }
        return dst;
 }
@@ -30,11 +30,11 @@ Rect TransformFromQuadChild(const Rect& src, QuadTreeNodeChildren child_type)
        dst.h *= 0.5;
        if (child_type == QTC_BOTTOM_LEFT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.x += 1;
+               dst.y += 1;
        }
        if (child_type == QTC_TOP_RIGHT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.y += 1;
+               dst.x += 1;
        }
        return dst;
 }