diff --git a/asciientity.h b/asciientity.h
index a3b4963..48a1bd0 100644
--- a/asciientity.h
+++ b/asciientity.h
@@ -6,7 +6,7 @@
 #include <glm/vec4.hpp>
 #include <glm/mat4x4.hpp>
 #include "material.h"
-#include "resourcebase.h"
+#include "asciimodule.h"
 
 class Texture;
 
@@ -26,7 +26,7 @@ public:
         backColor(myBackColor),
         fontColor(myFontColor)
     {
-        shader = ResourceBase::getShader("ascii");
+        shader = ASCIIModule::getShader();
     }
 
     virtual void bindAttributes();
@@ -34,16 +34,17 @@ public:
 
 class ASCIIEntity : public Entity
 {
-    GLuint rows;
-    GLuint columns;
-    char* textBuffer;
-
     glm::vec2 position;
     glm::vec2 size;
     glm::mat4 modelView;
 
     ASCIIMaterial* mat;
 
+    GLuint rows;
+    GLuint columns;
+
+    char* textBuffer;
+
     void updateModelView();
 
 public:
diff --git a/asciimodule.cpp b/asciimodule.cpp
index 9fbf52a..77b2898 100644
--- a/asciimodule.cpp
+++ b/asciimodule.cpp
@@ -1,5 +1,7 @@
 #include "asciimodule.h"
 
+Shader* ASCIIModule::shader;
+
 ASCIIModule::ASCIIModule()
 {
 
@@ -9,3 +11,13 @@ void ASCIIModule::renderGL(Camera* myCamera)
 {
 
 }
+
+Shader* ASCIIModule::getShader()
+{
+	return shader;
+}
+
+void ASCIIModule::setShader(Shader* myShader)
+{
+	shader = myShader;
+}
diff --git a/asciimodule.h b/asciimodule.h
index 083d62b..f99bd26 100644
--- a/asciimodule.h
+++ b/asciimodule.h
@@ -9,14 +9,16 @@ class Shader;
 
 class ASCIIModule : public Module
 {
-    Shader* shader;
+    static Shader* shader;
     std::vector<ASCIIEntity*> entities;
 
-
 public:
     ASCIIModule();
     void addEntity(ASCIIEntity* myEntity);
     virtual void renderGL(Camera* myCamera);
+
+    static Shader* getShader();
+    static void setShader(Shader* myShader);
 };
 
 #endif // ASCIIMODULE_H
diff --git a/camera.h b/camera.h
index c6492d5..06e03c0 100644
--- a/camera.h
+++ b/camera.h
@@ -10,7 +10,7 @@ public:
 	virtual glm::mat4 getProjectionMatrix() = 0;
 	virtual glm::mat4 getViewMatrix() = 0;
 
-	virtual void resize(int width, int height) = 0;
+    virtual void resize(int width, int height) = 0;
 };
 
 #endif // CAMERA_H
diff --git a/phongcolor.frag b/phongcolor.frag
new file mode 100644
index 0000000..3f1b872
--- /dev/null
+++ b/phongcolor.frag
@@ -0,0 +1,45 @@
+#version 330 core
+
+// material
+uniform vec3 materialKd;
+uniform vec3 materialKs;
+uniform float materialNs;
+
+uniform vec3 dirLight[2];
+uniform int nbPointLights;
+uniform vec3 pointLights[8];
+
+// fragment
+in vec3 varNormal;
+in vec2 varTexCoord;
+
+in vec3 lightDirInView[5];
+in vec3 halfVecInView[5];
+
+// resultat
+layout(location = 0)out vec4 outColor;
+
+// --------------------
+
+vec3 computeLight(in vec3 kd, in vec3 ks, in float ns, in vec3 color, in vec3 normal, in vec3 lightDir, in vec3 halfVec){
+	float diffuse = 0;
+	float specular = 0;
+
+	diffuse = dot(normal, lightDir);
+	diffuse = diffuse < 0 ? 0 : diffuse;
+	specular = dot(halfVec, normal);
+	specular = specular < 0 ? 0 : specular;
+
+	return color*diffuse*(kd+ks*pow(specular, ns));
+}
+
+void main(void) {
+	int i;
+	vec3 kd = materialKd;
+	vec3 light = 0.1*kd + computeLight(kd, materialKs, materialNs, dirLight[1], varNormal, lightDirInView[0], halfVecInView[0]);
+	for(i=1; i<nbPointLights+1; ++i)
+		light += computeLight(kd, materialKs, materialNs, pointLights[i*2 -1], varNormal, lightDirInView[i], halfVecInView[i]);
+
+	outColor = vec4(light, 1);
+}
+
diff --git a/phongentity.cpp b/phongentity.cpp
index 10eb2b4..dfc4c30 100644
--- a/phongentity.cpp
+++ b/phongentity.cpp
@@ -15,7 +15,7 @@ PhongEntity::~PhongEntity()
     delete[] vbo;
 }
 
-void PhongEntity::draw(const glm::mat4 viewMatrix, const glm::mat4 projectionMatrix)
+void PhongEntity::draw(const glm::mat4 viewMatrix, const glm::mat4 projectionMatrix, Lights::Light* dirLight, Lights* pointLights)
 {
     glm::mat4 modelViewMatrix = viewMatrix * modelMatrix;
     glm::mat4 mvp = projectionMatrix * modelViewMatrix;
@@ -29,6 +29,8 @@ void PhongEntity::draw(const glm::mat4 viewMatrix, const glm::mat4 projectionMat
 		shader->bindMatrix(shader->getLocation("modelViewMatrix"), modelViewMatrix);
 		shader->bindMatrix(shader->getLocation("normalMatrix"), normalMatrix);
 		shader->bindMatrix(shader->getLocation("MVP"), mvp);
+        shader->bindVec3Array(shader->getLocation("dirLight"), (glm::vec3*)dirLight, 2);
+        pointLights->bind(shader->getLocation("pointLights"), shader->getLocation("nbPointLights"), shader);
 		drawGroup(i);
 	}
 }
diff --git a/phongentity.h b/phongentity.h
index 9acf5f2..3b4f533 100644
--- a/phongentity.h
+++ b/phongentity.h
@@ -4,14 +4,13 @@
 #include <glew/glew.h>
 #include <glm/mat4x4.hpp>
 #include <vector>
+#include "lights.h"
 
 class Mesh;
 class Material;
 class Shader;
 
-#include "entity.h"
-
-class PhongEntity : public Entity
+class PhongEntity
 {
 protected:
     enum {
@@ -36,7 +35,7 @@ public:
     PhongEntity(Mesh* myMesh);
     ~PhongEntity();
 
-    virtual void draw(const glm::mat4 viewMatrix, const glm::mat4 projectionMatrix);
+	void draw(const glm::mat4 viewMatrix, const glm::mat4 projectionMatrix, Lights::Light* dirLight, Lights* pointLights);
 
     void initGL(bool isDynamic = false);
     void destroyGL();
diff --git a/phongmaterial.cpp b/phongmaterial.cpp
index d71a2ba..4a83f9b 100644
--- a/phongmaterial.cpp
+++ b/phongmaterial.cpp
@@ -1,22 +1,29 @@
 #include "phongmaterial.h"
 #include "texture.h"
+#include "phongmodule.h"
 
 #define TEX_ID 0
 
+void PhongMaterial::updateShader()
+{
+    shader = PhongModule::getShader(diffuse_texture == NULL ? PhongModule::PHONG_COLOR : PhongModule::PHONG_TEXTURE);
+}
+
 void PhongMaterial::bindAttributes()
 {
 	shader->bind();
     shader->bindVec3(shader->getLocation("materialKd"), kd);
     shader->bindVec3(shader->getLocation("materialKs"), ks);
     shader->bindFloat(shader->getLocation("materialNs"), ns);
-    if(tex != NULL)
+    if(diffuse_texture != NULL)
     {
-        tex->bind(TEX_ID);
+        diffuse_texture->bind(TEX_ID);
         shader->bindInteger(shader->getLocation("baseTexture"), TEX_ID);
     }
 }
 
 void PhongMaterial::setTexture(Texture* myTexture)
 {
-    tex = myTexture;
+    diffuse_texture = myTexture;
+    updateShader();
 }
diff --git a/phongmaterial.h b/phongmaterial.h
index c82928c..56133c7 100644
--- a/phongmaterial.h
+++ b/phongmaterial.h
@@ -3,7 +3,6 @@
 
 #include "material.h"
 #include "glm/vec3.hpp"
-#include "resourcebase.h"
 
 class Texture;
 
@@ -13,19 +12,22 @@ public:
     glm::vec3 kd;
     glm::vec3 ks;
     float ns;
-    Texture* tex;
+	Texture* diffuse_texture;
+	Texture* normal_map;
 
-    PhongMaterial() : kd(0.5f), ks(0.5f), ns(10), tex(NULL)
+	PhongMaterial() : kd(0.5f), ks(0.5f), ns(10), diffuse_texture(NULL)
     {
-        shader = ResourceBase::getShader("phong");
+		updateShader();
     }
-    PhongMaterial(glm::vec3 myKd, glm::vec3 myKs, float myNs) : kd(myKd), ks(myKs), ns(myNs), tex(NULL)
+	PhongMaterial(glm::vec3 myKd, glm::vec3 myKs, float myNs) : kd(myKd), ks(myKs), ns(myNs), diffuse_texture(NULL)
     {
-        shader = ResourceBase::getShader("phong");
+		updateShader();
     }
     virtual void bindAttributes();
 
     void setTexture(Texture* myTexture);
+
+    void updateShader();
 };
 
 #endif // PHONGMATERIAL_H
diff --git a/phongmodule.cpp b/phongmodule.cpp
index 04fb2b4..f54a856 100644
--- a/phongmodule.cpp
+++ b/phongmodule.cpp
@@ -1,18 +1,17 @@
 #include "phongmodule.h"
 #include "lights.h"
 #include "shader.h"
-#include "resourcebase.h"
 #include "phongentity.h"
 #include "camera.h"
+#include "mesh.h"
+
+Shader* PhongModule::shaders[NB_SHADERS] = {0, 0};
 
 PhongModule::PhongModule(Lights::Light* myDirLight, Lights* myPointLights) :
     dirLight(myDirLight),
-    pointLights(myPointLights),
-    shader(ResourceBase::getShader("phong"))
+    pointLights(myPointLights)
 {
-    dirLightLocation = shader->getLocation("dirLight");
-    nbPointLightsLocation = shader->getLocation("nbPointLights");
-    pointLightsLocation = shader->getLocation("pointLights");
+
 }
 
 void PhongModule::addEntity(PhongEntity* myEntity)
@@ -27,9 +26,16 @@ void PhongModule::clearEntities()
 
 void PhongModule::renderGL(Camera* myCamera)
 {
-    shader->bind();
-    shader->bindVec3Array(dirLightLocation, (glm::vec3*)dirLight, 2);
-    pointLights->bind(pointLightsLocation, nbPointLightsLocation, shader);
     for(PhongEntity* e : entities)
-        e->draw(myCamera->getViewMatrix(), myCamera->getProjectionMatrix());
+        e->draw(myCamera->getViewMatrix(), myCamera->getProjectionMatrix(), dirLight, pointLights);
+}
+
+void PhongModule::setShader(ShaderType slot, Shader* myShader)
+{
+    shaders[slot] = myShader;
+}
+
+Shader* PhongModule::getShader(ShaderType slot)
+{
+    return shaders[slot];
 }
diff --git a/phongmodule.h b/phongmodule.h
index 7c5d028..4919368 100644
--- a/phongmodule.h
+++ b/phongmodule.h
@@ -12,23 +12,27 @@ class PhongEntity;
 
 class PhongModule : public Module
 {
-private:
-    Lights::Light* dirLight;
-    Lights* pointLights;
-    GLuint dirLightLocation;
-    GLuint nbPointLightsLocation;
-    GLuint pointLightsLocation;
-
-    Shader* shader;
-    std::vector<PhongEntity*> entities;
-
 public:
+	enum ShaderType {PHONG_COLOR, PHONG_TEXTURE, NB_SHADERS};
+
     PhongModule(Lights::Light* myDirLight, Lights* myPointLights);
 
     void addEntity(PhongEntity* myEntity);
     void clearEntities();
 
     void virtual renderGL(Camera* myCamera);
+
+	static void setShader(ShaderType slot, Shader* myShader);
+	static Shader* getShader(ShaderType slot);
+private:
+	Lights::Light* dirLight;
+	Lights* pointLights;
+	GLuint dirLightLocation;
+	GLuint nbPointLightsLocation;
+	GLuint pointLightsLocation;
+	std::vector<PhongEntity*> entities;
+
+	static Shader* shaders[NB_SHADERS];
 };
 
 #endif // PHONGMODULE_H
diff --git a/phong.frag b/phongtexture.frag
similarity index 100%
rename from phong.frag
rename to phongtexture.frag
diff --git a/resourcebase.cpp b/resourcebase.cpp
deleted file mode 100644
index 063fb07..0000000
--- a/resourcebase.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-#include "resourcebase.h"
-
-ResourceBase::DataBase<Texture> ResourceBase::textures;
-ResourceBase::DataBase<Mesh> ResourceBase::meshes;
-ResourceBase::DataBase<Material> ResourceBase::materials;
-ResourceBase::DataBase<Shader> ResourceBase::shaders;
-ResourceBase::DataBase<PhongEntity> ResourceBase::entities;
-ResourceBase::DataBase<Lights> ResourceBase::lights;
-
-void ResourceBase::setTexture(const std::string &textureName, Texture* myTexture)
-{
-    textures.add(textureName, myTexture);
-}
-
-void ResourceBase::setMesh(const std::string &meshName, Mesh* myMesh )
-{
-    meshes.add(meshName, myMesh);
-}
-
-void ResourceBase::setMaterial(const std::string &materialName, Material* myMaterial)
-{
-    materials.add(materialName, myMaterial);
-}
-
-void ResourceBase::setShader(const std::string &shaderName, Shader* myShader)
-{
-    shaders.add(shaderName, myShader);
-}
-
-void ResourceBase::setEntity(const std::string &entityName, PhongEntity* myEntity)
-{
-    entities.add(entityName, myEntity);
-}
-
-void ResourceBase::setLights(const std::string &lightsName, Lights* myLights)
-{
-    lights.add(lightsName, myLights);
-}
-
-
-Texture* ResourceBase::getTexture(const std::string &textureName)
-{
-    return textures.get(textureName);
-}
-
-Mesh* ResourceBase::getMesh(const std::string &meshName)
-{
-    return meshes.get(meshName);
-}
-
-Material* ResourceBase::getMaterial(const std::string &materialName)
-{
-    return materials.get(materialName);
-}
-
-Shader* ResourceBase::getShader(const std::string &shaderName)
-{
-    return shaders.get(shaderName);
-}
-
-PhongEntity* ResourceBase::getEntity(const std::string &entityName)
-{
-    return entities.get(entityName);
-}
-
-Lights* ResourceBase::getLights(const std::string &lightsName)
-{
-    return lights.get(lightsName);
-}
-
-
-std::string ResourceBase::getMaterialName(Material* myMat)
-{
-	return materials.getName(myMat);
-}
-
-std::string ResourceBase::getTextureName(Texture* myTex)
-{
-	return textures.getName(myTex);
-}
diff --git a/resourcebase.h b/resourcebase.h
deleted file mode 100644
index e26f687..0000000
--- a/resourcebase.h
+++ /dev/null
@@ -1,82 +0,0 @@
-#ifndef RESOURCEBASE_H
-#define RESOURCEBASE_H
-
-class Texture;
-class Mesh;
-class Material;
-class Shader;
-class PhongEntity;
-class Lights;
-
-#include <unordered_map>
-#include <string>
-#include <vector>
-#include <stdio.h>
-
-class ResourceBase
-{
-public:
-    enum {TEXTURES, MESHES, MATERIALS, SHADERS, ENTITIES};
-
-    static void setTexture(const std::string &textureName, Texture* myTexture);
-	static void setMesh(const std::string &meshName, Mesh* myMesh);
-    static void setMaterial(const std::string &materialName, Material* myMaterial);
-    static void setShader(const std::string &shaderName, Shader* myShader);
-    static void setEntity(const std::string &entityName, PhongEntity* myEntity);
-    static void setLights(const std::string &lightsName, Lights* myLights);
-
-    static Texture* getTexture(const std::string &textureName);
-	static Mesh* getMesh(const std::string &meshName);
-    static Material* getMaterial(const std::string &materialName);
-    static Shader* getShader(const std::string &shaderName);
-    static PhongEntity* getEntity(const std::string &entityName);
-    static Lights* getLights(const std::string &lightsName);
-
-    static std::string getMaterialName(Material* myMat);
-    static std::string getTextureName(Texture* myTex);
-
-protected:
-    template <typename T>
-    class DataBase
-    {
-    public:
-        std::vector<std::string> names;
-        std::unordered_map<std::string, T*> data;
-
-        void add(const std::string &name, T* t)
-        {
-            data[name] = t;
-            names.push_back(name);
-        }
-
-        T* get(const std::string &name)
-        {
-            if(data.count(name))
-                return data[name];
-            else
-            {
-                fprintf(stderr, "Requesting unloaded resource : %s\n", name.c_str());
-                return NULL;
-            }
-        }
-
-        std::string getName(T* ptr)
-        {
-            for(const std::string &n : names)
-            {
-                if(ptr == get(n))
-                    return n;
-            }
-            return "";
-        }
-    };
-
-    static DataBase<Texture> textures;
-	static DataBase<Mesh> meshes;
-    static DataBase<Material> materials;
-    static DataBase<Shader> shaders;
-    static DataBase<PhongEntity> entities;
-    static DataBase<Lights> lights;
-};
-
-#endif // RESOURCEBASE_H
diff --git a/sparrowRenderer.pro b/sparrowRenderer.pro
index 0ff67ec..6f6c19a 100644
--- a/sparrowRenderer.pro
+++ b/sparrowRenderer.pro
@@ -29,8 +29,7 @@ SOURCES += shader.cpp \
     phongmaterial.cpp \
     sphere.cpp \
     lights.cpp \
-    sparrowrenderer.cpp \
-    resourcebase.cpp \
+	sparrowrenderer.cpp \
     phongmodule.cpp \
     skyboxmodule.cpp \
     framebuffer.cpp \
@@ -49,8 +48,7 @@ HEADERS += shader.h \
 	phongmaterial.h \
     sphere.h \
     lights.h \
-    sparrowrenderer.h \
-	resourcebase.h \
+	sparrowrenderer.h \
     phongmodule.h \
     skyboxmodule.h \
     module.h \
diff --git a/sparrowrenderer.cpp b/sparrowrenderer.cpp
index 01d7c21..4024b3b 100644
--- a/sparrowrenderer.cpp
+++ b/sparrowrenderer.cpp
@@ -79,3 +79,4 @@ Camera* SparrowRenderer::getCamera()
     return camera;
 }
 
+