diff --git a/src/nol/core.clj b/src/nol/core.clj
index 4be88f9..73ec298 100644
--- a/src/nol/core.clj
+++ b/src/nol/core.clj
@@ -1,9 +1,9 @@
 (ns nol.core
   (:require [clojure.math])
-  (:import [org.lwjgl.assimp Assimp AIScene AIMesh AIVector3D AIFace]
-           [org.lwjgl.glfw GLFW GLFWKeyCallbackI GLFWErrorCallbackI]
-           [org.lwjgl.opengl GL GL45 GL33 GL20 GL15 GL11 GL30]
-           [org.lwjgl.system MemoryStack MemoryUtil]
+  (:import [org.lwjgl.assimp Assimp AIFace AIMaterial AIMesh AIScene AIVector3D]
+           [org.lwjgl.glfw GLFW GLFWErrorCallbackI GLFWKeyCallbackI]
+           [org.lwjgl.opengl GL GL11 GL15 GL20 GL33 GL30 GL45]
+           [org.lwjgl.system MemoryUtil MemoryStack]
            [org.joml Matrix4f]
            [java.nio FloatBuffer]))
 
@@ -63,21 +63,9 @@
 
     (swap! state assoc :last-time t)
 
-    (GL45/glUseProgram (:program data))
-    (let [loc (GL45/glGetUniformLocation (:program data) "uColor")
-          t (* t 2)]
-      (GL45/glUniform4f loc
-                        (* 0.5 (+ 1.0 (clojure.math/sin t)))
-                        (* 0.5 (+ 1.0 (clojure.math/sin (+ t 2.094))))
-                        (* 0.5 (+ 1.0 (clojure.math/sin (+ t 4.189))))
-                        1.0))
-    (GL45/glBindVertexArray (:vao data))
-    (GL45/glDrawArrays GL45/GL_TRIANGLES 0 3)
-
     (GLFW/glfwSwapBuffers window)))
 
 (defn stop! []
-  ;; signal the window to close
   (with-gl
     (GLFW/glfwSetWindowShouldClose
       (:window @state) true)))
@@ -90,7 +78,7 @@
   (GLFW/glfwWindowHint GLFW/GLFW_CONTEXT_VERSION_MINOR 5)
   (GLFW/glfwWindowHint GLFW/GLFW_OPENGL_PROFILE GLFW/GLFW_OPENGL_CORE_PROFILE)
 
-  (let [window (GLFW/glfwCreateWindow 960 592 "NOL" MemoryUtil/NULL MemoryUtil/NULL)]
+  (let [window (GLFW/glfwCreateWindow 960 300 #_592 "NOL" MemoryUtil/NULL MemoryUtil/NULL)]
     (when (= window MemoryUtil/NULL)
       (GLFW/glfwTerminate)
       (throw (RuntimeException. "Failed to create window")))
@@ -108,22 +96,7 @@
           (when (and (= key GLFW/GLFW_KEY_ESCAPE) (= action GLFW/GLFW_PRESS))
             (swap! state assoc :should-close true)))))
 
-    (let [vbo (GL45/glCreateBuffers)
-          vao (GL45/glCreateVertexArrays)
-          data (try
-                 (let [vert (compile-shader GL20/GL_VERTEX_SHADER vertex-shader-text)
-                       frag (compile-shader GL20/GL_FRAGMENT_SHADER fragment-shader-text)
-                       program (link-program vert frag)]
-                   (GL45/glNamedBufferStorage vbo vertices GL45/GL_DYNAMIC_STORAGE_BIT)
-                   (GL45/glVertexArrayVertexBuffer vao 0 vbo 0 12)
-                   (GL45/glEnableVertexArrayAttrib vao 0)
-                   (GL45/glVertexArrayAttribFormat vao 0 3 GL45/GL_FLOAT false 0)
-                   (GL45/glVertexArrayAttribBinding vao 0 0)
-                   {:vbo vbo :vao vao :program program})
-                 (catch Exception e
-                   (println "Setup error:" (.getMessage e))
-                   nil))]
-      (swap! state merge data)
+    (let []
       (loop []
         (while (not (.isEmpty render-queue))
           ((.take render-queue)))
@@ -132,7 +105,7 @@
           (GLFW/glfwPollEvents)
           (let [stack (MemoryStack/stackPush)]
             (try
-              (update-loop window stack data)
+              (update-loop window stack {})
               (finally
                 (MemoryStack/stackPop))))
           (recur))))
@@ -159,6 +132,7 @@
   (def ^AIScene scene (load-model "assets/model.glb"))
   (.mNumMeshes scene) ;; 54
   (.mNumMaterials scene) ;; 17
+
   (with-gl
     (GL11/glClearColor 0.392 0.584 0.929 1.0))