Changeset 4845 in orxonox.OLD for orxonox/trunk/src/lib/graphics/spatial_separation/quadtree_node.cc

Timestamp:

Jul 12, 2005, 11:48:39 PM (20 years ago)

Author:

patrick

Message:

orxonox/trunk: added the rectangle to the vector file, since it is a geometrical body like a plane (the plane without arrows…), moved getDimension function to the QuadtreeNode

File:

• orxonox/trunk/src/lib/graphics/spatial_separation/quadtree_node.cc (modified) (2 diffs)

orxonox/trunk/src/lib/graphics/spatial_separation/quadtree_node.cc

@@ -27 +27 @@
 {
    this->setClassID(CL_QUADTREE_NODE, "QuadtreeNode");
+}
+
+
+/**
+ *  standard constructor
+ */
+QuadtreeNode::QuadtreeNode(modelInfo* pModelInfo)
+{
+  this->pModelInfo = pModelInfo;
+  this->getDimension(this->pModelInfo);
 }
 
@@ -61 +71 @@
 void QuadtreeNode::drawTree(int depth, int drawMode) const
 {}
+
+
+
+/**
+  \brief gets the maximal dimension of a model
+ * @param playerModel the model that this measurement is based on
+    \return the dimension of the AbstractModel as a Rectangle
+
+    The rectangle is x-z axis aligned. ATTENTION: if there are any vertices in the model, that exceed the
+    size of 999999.0, there probably will be some errors in the dimensions calculations.
+ */
+Rectangle* QuadtreeNode::getDimension(modelInfo* pModelInfo)
+{
+  float            maxX, maxY;                       //!< the maximal coordinates axis
+  float            minX, minY;                       //!< minimal axis coorindates
+  const float*     pVertices;                        //!< pointer to the current vertices
+
+  maxX = -999999; maxY = -999999;
+  minX =  999999; minY =  999999;
+  /* get maximal/minimal x/y */
+  for( int i = 0; i < pModelInfo->numVertices; ++i)
+  {
+    pVertices = &pModelInfo->pVertices[i * 3];
+    if( pVertices[0] > maxX)
+      maxX = pVertices[0];
+    if( pVertices[2] > maxY)
+      maxY = pVertices[2];
+
+    if( pVertices[0] < minX)
+      minX = pVertices[0];
+    if( pVertices[2] < minY)
+      minY = pVertices[2];
+  }
+
+  Rectangle* rect = new Rectangle();
+  rect->setCenter((maxX + minX) / 2.0f, 0.0f, (maxY + minY) / 2.0f); /* this is little strange, since y is in opengl the up vector */
+  rect->setAxis(fmax(((fabs(maxX) + fabs(minX)) / 2.0f), ((fabs(maxY) + fabs(minY)) / 2.0f)));
+
+  PRINTF(0)("Dimension Informationation: X: min/max %f/%f Y: min/max %f/%f\n", minX, maxX, minY, maxY);
+  return rect;
+}
+