normalizedZoom() == zoom level of the visual appearance

2014-03-24 14:44:44 +01:00
parent 31912731d4
commit 5c613b5455
4 changed files with 13 additions and 8 deletions
--- a/src/map/transform.cpp
+++ b/src/map/transform.cpp
@@ -256,6 +256,10 @@ float Transform::getZoom() const {
    return log(scale) / M_LN2;
 }

+float Transform::getNormalizedZoom() const {
+    return log(scale * util::tileSize / 256.0f) / M_LN2;
+}
+
 int32_t Transform::getIntegerZoom() const {
    return floor(log(scale) / M_LN2);
 }