From e48bdb3989c1abbf1d6b3124502299cecae0bdb6 Mon Sep 17 00:00:00 2001
From: Alex Schmidt <alex@treefish.org>
Date: Wed, 19 Dec 2012 17:14:53 +0100
Subject: [PATCH] ...

---
 cubelooks.cpp      | 42 ++++++++++++++++++++++++++++++++++++++----
 cubelooks.h        |  2 ++
 cubelooks_test.cpp |  2 +-
 3 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/cubelooks.cpp b/cubelooks.cpp
index ca675bd..ae6f4a5 100644
--- a/cubelooks.cpp
+++ b/cubelooks.cpp
@@ -2,6 +2,7 @@
 #include <GL/glut.h>
 #include <iostream>
 #include <string>
+#include <math.h>
 
 using namespace std;
 
@@ -36,9 +37,29 @@ namespace mygl
 
   static void reshapeFunc(int w, int h)
   {
-    glutReshapeWindow(10,10);
-    glViewport(0,0,w,h);
-    cout << w << ":" << h << endl;
+    int neww;
+    int newh;
+
+    cubelooks::env *Env = getEnv();
+
+    if ( w == Env->w ) {
+      newh = h;
+      neww = Env->aspect*h;
+    }
+    else if ( h == Env->h ) {
+      neww = w;
+      newh = w / Env->aspect;
+    }
+    else {
+      neww = ( pow(Env->aspect,2)*w + Env->aspect*h ) / ( pow(Env->aspect,2) + 1 );
+      newh = ( Env->aspect*w + h ) / ( pow(Env->aspect,2) + 1 );
+    }
+
+    glutReshapeWindow(neww,newh);
+    glViewport(0,0,neww,newh);
+
+    Env->w = neww;
+    Env->h = newh;
   }
 
   static void displayFunc()
@@ -51,10 +72,19 @@ namespace mygl
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();
 
+    glScalef(1.0/Env->layout[0],1.0/Env->layout[1],1.0);
+    glTranslatef(-Env->layout[0]+1, -Env->layout[1]+1, 0);
+
     for (int icube=0; icube < Env->cubes.size(); icube++) {
-      glScalef(1.0/Env->layout[0],1.0/Env->layout[1],1.0);
+      //glScalef(1.0/Env->layout[0],1.0/Env->layout[1],1.0);
       //glRotatef(2, 1, 0, 0);
       Env->cubes.at(icube).draw();
+      if ((icube+1)%Env->layout[0] == 0) {
+	glTranslatef(-2*Env->layout[0]+2, 2, 0);
+      }
+      else {
+	glTranslatef(2, 0, 0);
+      }
     }
 
     glutSwapBuffers();
@@ -78,6 +108,9 @@ namespace mygl
       winsize[0] = (640.0/Env->layout[1])*Env->layout[0];
     }
 
+    Env->w = winsize[0];
+    Env->h = winsize[1];
+
     glutInitWindowSize(winsize[0], winsize[1]);
 
     glutInitWindowPosition(0,0);
@@ -106,6 +139,7 @@ cubelooks::cubelooks(const int& xcubes, const int& ycubes, int *argc, char **arg
   Env.argv = argv;
   Env.layout[0] = xcubes;
   Env.layout[1] = ycubes;
+  Env.aspect = (double)xcubes/ycubes;
   for (int icube=0; icube<xcubes*ycubes; icube++) {
     cube newCube;
     Env.cubes.push_back(newCube);
diff --git a/cubelooks.h b/cubelooks.h
index 6e8faff..6ee63f8 100644
--- a/cubelooks.h
+++ b/cubelooks.h
@@ -22,7 +22,9 @@ class cubelooks
     int *argc;
     char **argv;
     int layout[2];
+    double aspect;
     vector<cube> cubes;
+    int w, h;
   };
 
   cubelooks(const int& xcubes, const int& ycubes, int *argc, char **argv);
diff --git a/cubelooks_test.cpp b/cubelooks_test.cpp
index f3ea2da..f065120 100644
--- a/cubelooks_test.cpp
+++ b/cubelooks_test.cpp
@@ -7,7 +7,7 @@ using namespace std;
 int main(int argc, char **argv)
 {
 
-  cubelooks clooks(2,1, &argc, argv);
+  cubelooks clooks(5,4, &argc, argv);
 
 
 
-- 
2.39.5