--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TaskManager/Test/test_render/vacuum.cpp	Tue Feb 10 13:11:26 2009 +0900
@@ -0,0 +1,220 @@
+#include <math.h>
+#include "SceneGraphRoot.h"
+#include "SGList.h"
+
+static void cube_move_left(SceneGraphPtr node, int screen_w, int screen_h);
+static void cube_move_right(SceneGraphPtr node, int screen_w, int screen_h);
+static void cube_move_idle(SceneGraphPtr node, int screen_w, int screen_h);
+static void cube_collision(SceneGraphPtr node, int screen_w, int screen_h,
+			   SceneGraphPtr tree);
+static void cube_split(SceneGraphPtr root);
+
+static void vacuum_move(SceneGraphPtr node, int w, int h);
+static void vacuum_coll(SceneGraphPtr node, int w, int h);
+
+static float vacuum_speed = 3.0f;
+
+static void
+cube_move_left(SceneGraphPtr node, int screen_w, int screen_h)
+{
+    node->xyz[0] -= node->stack_xyz[0];
+#if 0
+    node->xyz[1] -= node->stack_xyz[0] * node->stack_xyz[1];
+    node->xyz[2] -= node->stack_xyz[0] * node->stack_xyz[2];
+#else
+    node->xyz[1] += node->stack_xyz[1];
+    //node->xyz[2] -= node->stack_xyz[2];
+#endif
+
+    if (node->xyz[0] < 0) {
+	node->set_move_collision(cube_move_right, cube_collision);
+    }
+
+    if (node->xyz[1] < 0 || node->xyz[1] > screen_h) {
+	node->stack_xyz[1] = -node->stack_xyz[1];
+    }
+
+    //node->angle[0] += 2.0f;
+    //node->angle[1] += 2.0f * node->stack_xyz[1];
+    //node->angle[2] += 2.0f * node->stack_xyz[2];
+
+    if (++node->frame > 60) {
+	cube_split(node);
+    }
+}
+
+static void
+cube_move_right(SceneGraphPtr node, int screen_w, int screen_h)
+{
+    node->xyz[0] += node->stack_xyz[0];
+#if 0
+    node->xyz[1] -= node->stack_xyz[0] * node->stack_xyz[1];
+    node->xyz[2] -= node->stack_xyz[0] * node->stack_xyz[2];
+#else
+    node->xyz[1] += node->stack_xyz[1];
+#endif
+    
+    if (node->xyz[0] > screen_w) {
+	node->set_move_collision(cube_move_left, cube_collision);
+    }
+
+    if (node->xyz[1] < 0 || node->xyz[1] > screen_h) {
+	node->stack_xyz[1] = -node->stack_xyz[1];
+    }
+
+    //node->angle[0] += 2.0f;
+    //node->angle[1] += 2.0f * node->stack_xyz[1];
+    //node->angle[2] += 2.0f * node->stack_xyz[2];
+    
+    if (++node->frame > 60) {
+	cube_split(node);
+    }
+}
+
+static void
+cube_split(SceneGraphPtr root)
+{
+    SceneGraphPtr p = root->clone();
+    root->addBrother(p);
+
+    root->set_move_collision(cube_move_left, cube_collision);
+    p->set_move_collision(cube_move_right, cube_collision);
+
+    root->frame = 0;
+    p->frame = 0;
+
+    p->xyz[0] = root->xyz[0] + 2;
+    p->xyz[1] = root->xyz[1];
+    p->xyz[2] = root->xyz[2];
+
+    p->stack_xyz[0] = 2.0f;
+    p->stack_xyz[1] = random()%3-1;
+    p->stack_xyz[2] = random()%3-1;
+
+    root->xyz[0] -= 2;
+    root->stack_xyz[0] = 2.0f;
+    root->stack_xyz[1] = random()%3-1;
+    root->stack_xyz[2] = 0.0f;
+    //root->stack_xyz[2] = random()%3-1;
+}
+
+
+static void
+cube_move_idle(SceneGraphPtr node, int screen_w, int screen_h)
+{
+    Pad *pad = sgroot->getController();
+
+    if (pad->circle.isPush()) {
+	cube_split(node);
+    }
+}
+
+static void
+cube_collision(SceneGraphPtr node, int screen_w, int screen_h,
+	       SceneGraphPtr tree)
+{
+}
+
+static void
+vacuum_coll(SceneGraphPtr node, int screen_w, int screen_h,
+	    SceneGraphPtr tree)
+{
+    SceneGraphIteratorPtr it = sgroot->getIterator();
+    SceneGraphPtr bigm;
+    Pad *pad = sgroot->getController();
+    float dx, dy, r;
+    float q = 0;
+
+    if (pad->cross.isRelease()) {
+	return;
+    }
+
+    return;
+
+    for (; it->hasNext(MCUBE);) {
+	it->next(MCUBE);
+	SceneGraphPtr mcube = it->get();
+	
+	dx = node->xyz[0] - mcube->xyz[0];
+	dy = node->xyz[1] - mcube->xyz[1];
+	
+	r = sqrt(dx*dx + dy*dy);
+
+	if (r >= 1) q = 300/r;
+
+	if (r < 50.0f) {
+	    mcube->remove();
+	    continue;
+	}
+
+	if (dx == 0) {
+	    if(mcube->xyz[1] > node->xyz[1]) {
+		mcube->xyz[1] -= q;
+	    } else if(mcube->xyz[1] < node->xyz[1]) {
+		mcube->xyz[1] += q;
+	    }
+	} else {
+	    if(mcube->xyz[0] > node->xyz[0]) {
+		mcube->xyz[0] -= q*cos(atan(dy/dx));
+		mcube->xyz[1] -= q*sin(atan(dy/dx));
+		mcube->stack_xyz[0] = -q*cos(atan(dy/dx));
+		mcube->stack_xyz[1] = -q*sin(atan(dy/dx));
+	    } else if(mcube->xyz[0] < mcube->xyz[0]) {
+		mcube->xyz[0] += q*cos(atan(dy/dx));
+		mcube->xyz[1] += q*sin(atan(dy/dx));
+		mcube->stack_xyz[0] = -q*cos(atan(dy/dx));
+		mcube->stack_xyz[1] = -q*sin(atan(dy/dx));
+	    }
+	}
+    }
+}
+
+static void
+vacuum_move(SceneGraphPtr node , int w, int h)
+{
+    Pad *pad = sgroot->getController();
+
+    if (pad->right.isHold()) {
+	node->xyz[0] += vacuum_speed;
+    } else if (pad->left.isHold()) {
+	node->xyz[0] -= vacuum_speed;
+    }
+
+    if (pad->up.isHold()) {
+	node->xyz[1] -= vacuum_speed;
+    } else if (pad->down.isHold()) {
+	node->xyz[1] += vacuum_speed;
+    }
+
+    if (pad->start.isPush()) {
+	node->xyz[0] = w/2;
+	node->xyz[1] = h*0.8;
+    }
+}
+
+void
+vacuum_init(int w, int h)
+{
+    SceneGraphPtr cube;
+    SceneGraphPtr vacuum;
+    SceneGraphPtr back;
+
+    sgroot->createFromXMLfile("xml_file/mcube.xml");
+
+    cube = sgroot->createSceneGraph(MCUBE);
+    cube->xyz[0] = w/2;
+    cube->xyz[1] = h/2;
+    cube->xyz[2] = 0.0f;
+    cube->set_move_collision(cube_move_idle, cube_collision);
+
+    vacuum = sgroot->createSceneGraph(BIGMCUBE);
+    vacuum->xyz[0] = w/2;
+    vacuum->xyz[1] = h*0.8;
+    vacuum->set_move_collision(vacuum_move, vacuum_coll);
+
+    back = sgroot->createSceneGraph();
+    back->addChild(vacuum);
+    back->addChild(cube);
+
+    sgroot->setSceneData(back);
+}