Box2D Forums

- (void)ccTouchMoved:(UITouch*)touch withEvent:(UIEvent *)event
{
CGPoint start = [touch locationInView: [touch view]];   
start = [[CCDirector sharedDirector] convertToGL: start];
CGPoint end = [touch previousLocationInView:[touch view]];
end = [[CCDirector sharedDirector] convertToGL:end];
   
float distance = ccpDistance(start, end);
if (distance > 1)
{
   int d = (int)distance;
      
   b2Vec2 s(start.x/PTM_RATIO, start.y/PTM_RATIO);
   b2Vec2 e(end.x/PTM_RATIO, end.y/PTM_RATIO);
      
   b2BodyDef bd;
   bd.type = b2_staticBody;
   bd.position.Set(0, 0);
   b2Body* body = world->CreateBody(&bd);
      
   for (int i = 0; i < d; i++)
   {         
      b2PolygonShape shape;
      shape.SetAsEdge(b2Vec2(s.x, s.y), b2Vec2(e.x, e.y));
      body->CreateFixture(&shape, 0.0f);
   }
}
}