--- a/Renderer/Test/motion_man.cc	Fri Jan 27 02:10:52 2012 +0900
+++ b/Renderer/Test/motion_man.cc	Fri Jan 27 14:17:06 2012 +0900
@@ -11,6 +11,8 @@
 float tx=0,ty=10;
 float cx=0,cy=-10;
 static int cube_subID,cub5ID,cub6ID;
+static float cube_radius = 35.0f;
+static float cube_sub_radius = 35.0f;
 
 static void
 push_move_false(SceneGraphPtr, void *sgroot_, int w, int h, SceneGraphPtr tree) {
@@ -19,12 +21,11 @@
 static void
 walk(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h, SceneGraphPtr tree) {
 	SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
-	SceneGraphIteratorPtr it1 = sgroot->getIterator(tree);
-	SceneGraphIteratorPtr it2 = sgroot->getIterator(tree);
+	SceneGraphIteratorPtr it = sgroot->getIterator(tree);
 
 	Pad *pad = sgroot->getController();
-	it1->next(cub5ID);
-	SceneGraphPtr cub5 = it1->get();
+	it->next(cub5ID);
+	SceneGraphPtr cub5 = it->get();
 
 	if (pad->left.isHold()) {
 		if (x==80) { 
@@ -38,8 +39,8 @@
 		}
 	}
 
-	it2->next(cub6ID);
-	SceneGraphPtr cub6 = it2->get();
+	it->next(cub6ID);
+	SceneGraphPtr cub6 = it->get();
 	if (pad->left.isHold()) {
 		 if (dx==-80) { 
 			cub6->angle[0] += 10; 
@@ -51,6 +52,20 @@
 			dx=cub6->angle[0];
 		}
 	} 
+
+	float x_distance,y_distance,distance;
+	it->next(cube_subID);
+	SceneGraphPtr cube_sub = it->get();
+	x_distance = node->xyz[0] - cube_sub->xyz[0];
+	y_distance = node->xyz[1] - cube_sub->xyz[1];
+
+	distance = hypotf(x_distance,y_distance);
+
+	if (distance <= (cube_radius = cube_sub_radius)) {
+		cube_sub->xyz[0] -= 30;
+		if (cube_sub->xyz[0]<-40)
+			cube_sub->xyz[0] = screen_w / 3;
+	}
 }
 
 static void