diff --git a/shaders/vert.vert b/shaders/vert.vert
index fac18d7..0b3006e 100644
--- a/shaders/vert.vert
+++ b/shaders/vert.vert
@@ -7,9 +7,11 @@ out vec3 ourColor;
 out vec2 TexCoord;
 out vec4 position;
 
+uniform mat4 transform;
+
 void main()
 {
-    gl_Position = vec4(aPos, 1.0);
+    gl_Position = transform * vec4(aPos, 1.0);
     ourColor = aColor;
     TexCoord = aTexCoord;
     position = gl_Position;
diff --git a/src/engine/Scene.java b/src/engine/Scene.java
index a6f136a..588e594 100644
--- a/src/engine/Scene.java
+++ b/src/engine/Scene.java
@@ -3,6 +3,7 @@ package engine;
 import engine.graphics.Shader;
 import engine.graphics.Texture;
 import engine.graphics.VertexArray;
+import engine.math.Matrix4f;
 
 public class Scene {
 
@@ -14,6 +15,8 @@ public class Scene {
     Texture texture_map2;
     byte[] indices;
 
+    Matrix4f transform;
+
     VertexArray vertexArray;
     Shader shader;
 
@@ -36,9 +39,13 @@ public class Scene {
         this.vertexArray = new VertexArray(this.vertices, this.indices, this.color, this.texture);
         shader.setUniform1i("texture1", 0);
         shader.setUniform1i("texture2", 1);
+        this.transform = Matrix4f.rotateZ(3.14f/2.0f);
+        shader.setUniformMat4f("transform", this.transform);
     }
 
     public void render(){
+//        this.transform = this.transform.multiply(Matrix4f.rotateZ(0.001f));
+        shader.setUniformMat4f("transform", this.transform);
         this.shader.enable();
         this.texture_map.bind();
         this.texture_map2.bind();
diff --git a/src/engine/math/Matrix4f.java b/src/engine/math/Matrix4f.java
index 441237e..af542db 100644
--- a/src/engine/math/Matrix4f.java
+++ b/src/engine/math/Matrix4f.java
@@ -88,7 +88,7 @@ public class Matrix4f {
         result.elements[1 + 0 * 4] = -sin;
 
         result.elements[0 + 1 * 4] = sin;
-        result.elements[2 + 1 * 4] = cos;
+        result.elements[1 + 1 * 4] = cos;
 
         return result;
     }