Positionsangabe (Quader) auf Mitte verlagert.

1 files changed, 36 insertions, 36 deletions

diff --git a/Cuboid.cpp b/Cuboid.cpp
index 6569e31..6b58294 100644
--- a/Cuboid.cpp
+++ b/Cuboid.cpp
@@ -68,66 +68,66 @@ std::list<Triangle> Cuboid::getTriangles(const Matrix &modelview)
   // Front face
   Color c(0.0, 0.0, 1.0, 0.5);
   
-  triangles.push_back(Triangle(Vertex(x      , y       , z),
-                               Vertex(x+width, y       , z),
-                               Vertex(x      , y-height, z), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y+height/2, z+depth/2),
+                               Vertex(x+width/2, y+height/2, z+depth/2),
+                               Vertex(x-width/2, y-height/2, z+depth/2), c));
   
-  triangles.push_back(Triangle(Vertex(x      , y-height, z),
-                               Vertex(x+width, y       , z),
-                               Vertex(x+width, y-height, z), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y-height/2, z+depth/2),
+                               Vertex(x+width/2, y+height/2, z+depth/2),
+                               Vertex(x+width/2, y-height/2, z+depth/2), c));
   
   // Back face
   c = Color(1.0, 1.0, 0.0, 0.5);
   
-  triangles.push_back(Triangle(Vertex(x      , y       , z-depth),
-                               Vertex(x      , y-height, z-depth),
-                               Vertex(x+width, y       , z-depth), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y+height/2, z-depth/2),
+                               Vertex(x-width/2, y-height/2, z-depth/2),
+                               Vertex(x+width/2, y+height/2, z-depth/2), c));
 
-  triangles.push_back(Triangle(Vertex(x      , y-height, z-depth),
-                               Vertex(x+width, y       , z-depth),
-                               Vertex(x+width, y-height, z-depth), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y-height/2, z-depth/2),
+                               Vertex(x+width/2, y+height/2, z-depth/2),
+                               Vertex(x+width/2, y-height/2, z-depth/2), c));
   
   // Left face
   c = Color(0.0, 1.0, 0.0, 0.5);
   
-  triangles.push_back(Triangle(Vertex(x, y       , z      ),
-                               Vertex(x, y-height, z      ),
-                               Vertex(x, y       , z-depth), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y+height/2, z+depth/2),
+                               Vertex(x-width/2, y-height/2, z+depth/2),
+                               Vertex(x-width/2, y+height/2, z-depth/2), c));
 
-  triangles.push_back(Triangle(Vertex(x, y-height, z-depth),
-                               Vertex(x, y       , z-depth),
-                               Vertex(x, y-height, z      ), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y-height/2, z-depth/2),
+                               Vertex(x-width/2, y+height/2, z-depth/2),
+                               Vertex(x-width/2, y-height/2, z+depth/2), c));
   
   // Right face
   
-  triangles.push_back(Triangle(Vertex(x+width, y       , z      ),
-                               Vertex(x+width, y-height, z      ),
-                               Vertex(x+width, y       , z-depth), c));
+  triangles.push_back(Triangle(Vertex(x+width/2, y+height/2, z+depth/2),
+                               Vertex(x+width/2, y-height/2, z+depth/2),
+                               Vertex(x+width/2, y+height/2, z-depth/2), c));
 
-  triangles.push_back(Triangle(Vertex(x+width, y-height, z-depth),
-                               Vertex(x+width, y       , z-depth),
-                               Vertex(x+width, y-height, z      ), c));
+  triangles.push_back(Triangle(Vertex(x+width/2, y-height/2, z-depth/2),
+                               Vertex(x+width/2, y+height/2, z-depth/2),
+                               Vertex(x+width/2, y-height/2, z+depth/2), c));
   
   // Top face  
   c = Color(1.0, 0.0, 0.0, 0.5);
   
-  triangles.push_back(Triangle(Vertex(x      , y, z      ),
-                               Vertex(x+width, y, z      ),
-                               Vertex(x      , y, z-depth), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y+height/2, z+depth/2),
+                               Vertex(x+width/2, y+height/2, z+depth/2),
+                               Vertex(x-width/2, y+height/2, z-depth/2), c));
 
-  triangles.push_back(Triangle(Vertex(x+width, y, z      ),
-                               Vertex(x+width, y, z-depth),
-                               Vertex(x      , y, z-depth), c));
+  triangles.push_back(Triangle(Vertex(x+width/2, y+height/2, z+depth/2),
+                               Vertex(x+width/2, y+height/2, z-depth/2),
+                               Vertex(x-width/2, y+height/2, z-depth/2), c));
 
   // Bottom face
   
-  triangles.push_back(Triangle(Vertex(x      , y-height, z      ),
-                               Vertex(x+width, y-height, z      ),
-                               Vertex(x      , y-height, z-depth), c));
+  triangles.push_back(Triangle(Vertex(x-width/2, y-height/2, z+depth/2),
+                               Vertex(x+width/2, y-height/2, z+depth/2),
+                               Vertex(x-width/2, y-height/2, z-depth/2), c));
 
-  triangles.push_back(Triangle(Vertex(x+width, y-height, z      ),
-                               Vertex(x+width, y-height, z-depth),
-                               Vertex(x      , y-height, z-depth), c));
+  triangles.push_back(Triangle(Vertex(x+width/2, y-height/2, z+depth/2),
+                               Vertex(x+width/2, y-height/2, z-depth/2),
+                               Vertex(x-width/2, y-height/2, z-depth/2), c));
   
   for(std::list<Triangle>::iterator t = triangles.begin(); t != triangles.end(); ++t) {
     t->transform(modelview);