2 files changed, 9 insertions, 4 deletions
diff --git a/source/rendering/StarWorldCamera.cpp b/source/rendering/StarWorldCamera.cpp
index 0344bd6..81e599f 100644
--- a/source/rendering/StarWorldCamera.cpp
+++ b/source/rendering/StarWorldCamera.cpp
@@ -2,12 +2,13 @@
 
 namespace Star {
 
-void WorldCamera::setCenterWorldPosition(Vec2F const& position) {
+void WorldCamera::setCenterWorldPosition(Vec2F const& position, bool force) {
   // Only actually move the world center if a half pixel distance has been
   // moved in any direction.  This is sort of arbitrary, but helps prevent
   // judder if the camera is at a boundary and floating point inaccuracy is
   // causing the focus to jitter back and forth across the boundary.
-  if (fabs(position[0] - m_worldCenter[0]) < 1.0f / (TilePixels * m_pixelRatio * 2) && fabs(position[1] - m_worldCenter[1]) < 1.0f / (TilePixels * m_pixelRatio * 2))
+  if (fabs(position[0] - m_worldCenter[0]) < 1.0f / (TilePixels * m_pixelRatio * 2)
+   && fabs(position[1] - m_worldCenter[1]) < 1.0f / (TilePixels * m_pixelRatio * 2) && !force)
     return;
 
   // First, make sure the camera center position is inside the main x
diff --git a/source/rendering/StarWorldCamera.hpp b/source/rendering/StarWorldCamera.hpp
index e022560..6354167 100644
--- a/source/rendering/StarWorldCamera.hpp
+++ b/source/rendering/StarWorldCamera.hpp
@@ -20,8 +20,8 @@ public:
 
   // Set the camera center position (in world space) to as close to the given
   // location as possible while keeping the screen within world bounds.
+  void setCenterWorldPosition(Vec2F const& position, bool force = false);
   // Returns the actual camera position.
-  void setCenterWorldPosition(Vec2F const& position);
   Vec2F centerWorldPosition() const;
 
   // Transforms world coordinates into one set of screen coordinates.  Since
@@ -121,7 +121,11 @@ inline Vec2F WorldCamera::tileMinScreen() const {
 }
 
 inline void WorldCamera::update(float dt) {
-  m_pixelRatio = lerp(exp(-20.0f * dt), m_targetPixelRatio, m_pixelRatio);
+  float newPixelRatio = lerp(exp(-20.0f * dt), m_targetPixelRatio, m_pixelRatio);
+  if (m_pixelRatio != newPixelRatio) {
+    m_pixelRatio = newPixelRatio;
+    setCenterWorldPosition(m_worldCenter, true);
+  }
 }
 
 }