Changeset 4121 in orxonox.OLD for orxonox/branches/physics/src/util/physics/i_physics.cc

Timestamp:

May 9, 2005, 3:01:57 AM (19 years ago)

Author:

buerlia

Message:

orxonox/branches/physics: IPhyics gets a mass..

File:

• orxonox/branches/physics/src/util/physics/i_physics.cc (modified) (3 diffs)

orxonox/branches/physics/src/util/physics/i_physics.cc

@@ -19 +19 @@
 
 #include "i_physics.h"
-
+#include "list.h"
+#include "string.h"
 #include "stdincl.h"
 
@@ -31 +32 @@
 {
    this->setClassName ("IPhysics");
+   this->mass = 0;
+   this->massChildren = 0;
 }
 
@@ -42 +45 @@
   // delete what has to be deleted here
 }
+
+
+
+void IPhysics::setMass( float mass )
+{
+        this->mass = mass;
+}
+
+float IPhysics::getMass( void ) const
+{
+        return this->mass;
+}
+
+float IPhysics::getTotalMass( void ) const
+{
+        return (this->mass + this->massChildren);
+}
+
+void IPhysics::recalcMass()
+{
+        float massSum = 0;
+        
+        tIterator<PNode>* iterator = this->children->getIterator();
+        PNode* pn = iterator->nextElement();
+        while( pn != NULL) 
+    { 
+        // todo: find out if children are IPhysics in an efficient way
+        if (strcmp( pn->getClassName(), "IPhysics")) {
+                        massSum += ((IPhysics*)pn)->getTotalMass();
+        }
+      pn = iterator->nextElement();
+    }
+        delete iterator;
+        
+        if (massSum != this->massChildren ) {
+                this->massChildren = massSum;
+                if (strcmp( parent->getClassName(), "IPhysics"))
+                        ((IPhysics*)parent)->recalcMass();
+        } else {
+                this->massChildren = massSum;
+        }
+}
+        
+