diff --git a/src/saland/Game.cpp b/src/saland/Game.cpp
index b873e30..d95474e 100644
--- a/src/saland/Game.cpp
+++ b/src/saland/Game.cpp
@@ -55,7 +55,6 @@ struct Game::GameImpl {
 	std::vector<std::shared_ptr<Placeable> > placeables;
 	float time = 0.0;
 	std::shared_ptr<Human> human;
-	//b2Body* humanBody = nullptr;
 	std::shared_ptr<b2World> physicsBox;
 	float center_x = 0;
 	float center_y = 0;
@@ -71,11 +70,12 @@ struct Game::GameImpl {
 
 Game::Game() {
 	data.reset(new Game::GameImpl());
-	data->world.init();
-	data->lastUpdate = SDL_GetTicks();
-	data->human.reset(new Human());
 	b2Vec2 gravity(0.0f, 0.0f);
 	data->physicsBox.reset(new b2World(gravity));
+	data->world.init(data->physicsBox);
+	data->lastUpdate = SDL_GetTicks();
+	data->human.reset(new Human());
+	
 	
 	b2BodyDef myBodyDef;
     myBodyDef.type = b2_dynamicBody; //this will be a dynamic body
diff --git a/src/saland/model/World.cpp b/src/saland/model/World.cpp
index 892f6ab..5a89e84 100644
--- a/src/saland/model/World.cpp
+++ b/src/saland/model/World.cpp
@@ -1,13 +1,35 @@
 #include "World.hpp"
+#include "placeables.hpp"
 
 World::World() {
 }
 
-void World::init() {
+void World::init(std::shared_ptr<b2World>& world) {
+	this->physicsWorld = world;
 	std::string tsx_file = sago::GetFileContent("maps/terrain.tsx");
 	std::string tmx_file = sago::GetFileContent("maps/sample1.tmx");
 	ts = sago::tiled::string2tileset(tsx_file);
 	tm = sago::tiled::string2tilemap(tmx_file);
 	tm.tileset.alternativeSource = &ts;
+	const std::vector<sago::tiled::TileObjectGroup>& object_groups = tm.object_groups;
+	for (const auto& group : object_groups) {
+		for (const auto& item : group.objects) {
+			if (item.isEcplise) {
+				continue;
+			}
+			if (item.x > 0 && item.y > 0 && item.width > 0 && item.height > 0) {
+				b2BodyDef myBodyDef;
+				myBodyDef.type = b2_staticBody;
+				myBodyDef.position.Set(item.x/pixel2unit+item.width/pixel2unit/2.0, item.y/pixel2unit + item.height/pixel2unit/2.0 );
+				myBodyDef.linearDamping = 1.0f;
+				b2Body* body = physicsWorld->CreateBody(&myBodyDef);
+				b2PolygonShape polygonShape;
+				polygonShape.SetAsBox(item.width/pixel2unit/2.0, item.height/pixel2unit/2.0);
+				b2FixtureDef myFixtureDef;
+				myFixtureDef.shape = &polygonShape; 
+				body->CreateFixture(&myFixtureDef);
+			}
+		}
+	}
 }
 
diff --git a/src/saland/model/World.hpp b/src/saland/model/World.hpp
index c6438c5..fb406d1 100644
--- a/src/saland/model/World.hpp
+++ b/src/saland/model/World.hpp
@@ -3,14 +3,16 @@
 
 #include "../../sagotmx/tmx_struct.h"
 #include "../../sago/SagoMisc.hpp"
+#include <Box2D/Box2D.h>
 
 class World {
 public:
 	World();
-	void init();
+	void init(std::shared_ptr<b2World>& world);
 //private:
 	sago::tiled::TileSet ts;
 	sago::tiled::TileMap tm;
+	std::shared_ptr<b2World> physicsWorld;
 };
 
 #endif /* WORLD_HPP */
diff --git a/src/saland/model/placeables.hpp b/src/saland/model/placeables.hpp
index 942bd24..74e9f2d 100644
--- a/src/saland/model/placeables.hpp
+++ b/src/saland/model/placeables.hpp
@@ -4,7 +4,7 @@
 #include <string>
 #include <Box2D/Box2D.h>
 
-const float pixel2unit = 16.0f;
+const float pixel2unit = 32.0f;
 
 class Placeable {
 public: