1 files changed, 28 insertions, 33 deletions
diff --git a/Master/texmf-dist/tex/latex/simpleoptics/simpleoptics.sty b/Master/texmf-dist/tex/latex/simpleoptics/simpleoptics.sty
index 6d24a6d266f..4620f5ab69c 100644
--- a/Master/texmf-dist/tex/latex/simpleoptics/simpleoptics.sty
+++ b/Master/texmf-dist/tex/latex/simpleoptics/simpleoptics.sty
@@ -2,9 +2,13 @@
 %%License: LPPL 1.3c
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{simpleoptics}[2019/09/05  v1.0.0 Simple Optics Package]
+\ProvidesPackage{simpleoptics}[2019/09/07  v1.1.1 Simple Optics Package]
 \RequirePackage{tikz}
 
+\newcommand{\straightline}[4]{
+\draw (#1, #2) -- (#3, #4);
+}
+
 %\mirror{x}{y}{focal length}{height}
 \newcommand{\mirror}[4]{
  
@@ -13,15 +17,14 @@
   \pgfmathsetmacro{\mirrorY}{#2}
 
   \pgfmathsetmacro{\mirrorRadius}{2*#3}
-  \pgfmathsetmacro{\mirrorHeight}{\mirrorY + #4}
+  \pgfmathsetmacro{\mirrorHeight}{#4}
   
   \pgfmathsetmacro{\startAngle}{asin(\mirrorHeight/\mirrorRadius)}
   
-  \draw
   
-  (\mirrorX,\mirrorHeight) arc[start angle=180-\startAngle,delta angle=2*\startAngle,radius=\mirrorRadius]
-  
-  ;
+  \begin{scope}[yshift=\mirrorY cm]
+  \draw (\mirrorX,\mirrorHeight) arc[start angle=180-\startAngle,delta angle=2*\startAngle,radius=\mirrorRadius];
+  \end{scope}
 }
 
 %\lens{x}{y}{focal length}{height}{thickness}
@@ -39,13 +42,11 @@
   
   \mirror{\lensXleft}{\lensY}{\lensRadius}{\lensHeight}
   \mirror{\lensXright}{\lensY}{-\lensRadius}{\lensHeight}
-  
-  \draw
-  
-  (\lensXleft,\lensHeight) -- (\lensXright,\lensHeight)
-  (\lensXright,-\lensHeight) -- (\lensXleft,-\lensHeight)
-   
-  ;
+  	
+  \begin{scope}[yshift=\lensY cm]
+  \straightline{\lensXleft}{\lensHeight}{\lensXright}{\lensHeight}
+  \straightline{\lensXright}{-\lensHeight}{\lensXleft}{-\lensHeight}
+  \end{scope}
 }
 
 %\biconvexlens{x}{y}{focal length}{height}{thickness}
@@ -72,12 +73,10 @@
   \mirror{\lensXleft}{\lensY}{\lensRadius}{\lensHeight}
   \mirror{\lensXright}{\lensY}{\lensRadius}{\lensHeight}
   
-  \draw
-  
-  (\lensXleft,\lensHeight) -- (\lensXright,\lensHeight)
-  (\lensXright,-\lensHeight) -- (\lensXleft,-\lensHeight)
-   
-  ;
+  \begin{scope}[yshift=\lensY cm]
+  \straightline{\lensXleft}{\lensHeight}{\lensXright}{\lensHeight}
+  \straightline{\lensXright}{-\lensHeight}{\lensXleft}{-\lensHeight}
+  \end{scope}
 }
 
 %\convexconcavelens{x}{y}{focal length}{height}{thickness}
@@ -98,13 +97,11 @@
   
   \mirror{\lensXleft}{\lensY}{\lensRadius}{\lensHeight}
   
-  \draw
-  
-  (\lensXleft,\lensHeight) -- (\lensXright,\lensHeight)
-  (\lensXright,-\lensHeight) -- (\lensXleft,-\lensHeight)
-  (\lensXright,\lensHeight) -- (\lensXright,-\lensHeight)
-   
-  ;
+  \begin{scope}[yshift=\lensY cm]
+  \straightline{\lensXleft}{\lensHeight}{\lensXright}{\lensHeight}
+  \straightline{\lensXright}{-\lensHeight}{\lensXleft}{-\lensHeight}
+  \straightline{\lensXright}{\lensHeight}{\lensXright}{-\lensHeight}
+  \end{scope}
 }
 
 %\leftplanoconvexlens{x}{y}{focal length}{height}{thickness}
@@ -120,13 +117,11 @@
   
   \mirror{\lensXright}{\lensY}{-\lensRadius}{\lensHeight}
   
-  \draw
-  
-  (\lensXleft,\lensHeight) -- (\lensXright,\lensHeight)
-  (\lensXright,-\lensHeight) -- (\lensXleft,-\lensHeight)
-  (\lensXleft,\lensHeight) -- (\lensXleft,-\lensHeight)
-   
-  ;
+  \begin{scope}[yshift=\lensY cm]
+  \straightline{\lensXleft}{\lensHeight}{\lensXright}{\lensHeight}
+  \straightline{\lensXright}{-\lensHeight}{\lensXleft}{-\lensHeight}
+  \straightline{\lensXleft}{\lensHeight}{\lensXleft}{-\lensHeight}
+  \end{scope}
 }
 
 %\rightplanoconcavelens{x}{y}{focal length}{height}{thickness}