1 files changed, 3 insertions, 3 deletions
diff --git a/mass.h b/mass.h
index 296d7b2..0b18071 100644
--- a/mass.h
+++ b/mass.h
@@ -64,9 +64,9 @@ class Mass
 	string getName() const;
 	double getMass() const;
 	double getSize() const;
-	void getPosition(double& x, double& x, double& x) const;
-	void getPreviousPosition(double& x, double& x, double& x) const;
-	void getDelta(double& dx, double& dx, double& dx) const;
+	void getPosition(double& x, double& y, double& z) const;
+	void getPreviousPosition(double& x, double& y, double& z) const;
+	void getDelta(double& dx, double& dy, double& dz) const;
 	void getColour(GLfloat& r, GLfloat& g, GLfloat& b) const;
 
 	bool isMassless() const;