diff --git a/src/main.c b/src/main.c
index 333d503..38bf7b6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,13 +8,10 @@
 #include "Input.h"
 
 
-
 float pos[3] = {0.0f, 0.0f, 0.0f};
 
 int main(int argc, char *argv[]) {
-	GLFWwindow* window;
-	window = initOpenGL();
-
+	GLFWwindow* window = initOpenGL();
 	glfwSetKeyCallback(window, &key_pressed);
 
 	const float triangle[] = {
@@ -36,10 +33,7 @@ int main(int argc, char *argv[]) {
 	};
 	
 	// CreateShader
-	char* vertex1 = "assets/shaders/vertex4.glsl\0";
-	char* fragment1 = "assets/shaders/fragment4.glsl\0";
-	unsigned int shader1;
-	shader1 = createShader(vertex1, fragment1);
+	unsigned int shader1 = createShader("assets/shaders/vertex4.glsl\0", "assets/shaders/fragment4.glsl\0");
 
 	// Initialise VBO and VAO
 	unsigned int VAO, VBO, EBO;
@@ -49,7 +43,7 @@ int main(int argc, char *argv[]) {
 
 	glBindVertexArray(VAO);
 	glBindBuffer(GL_ARRAY_BUFFER, VBO);
-	glBufferData(GL_ARRAY_BUFFER, sizeof(square), NULL, GL_STATIC_DRAW);
+	glBufferData(GL_ARRAY_BUFFER, sizeof(square), NULL, GL_DYNAMIC_DRAW);
 
 	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0 );
 	glEnableVertexAttribArray(0);
@@ -60,19 +54,36 @@ int main(int argc, char *argv[]) {
 
 	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
 	glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_DYNAMIC_DRAW);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
 
 	float *buffer = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
-	memcpy(buffer, triangle, sizeof(triangle));
+	memcpy(buffer, square, sizeof(square));
 	glUnmapBuffer(GL_ARRAY_BUFFER);
+
+
+	unsigned int VAO1, VBO1;
+	glGenVertexArrays(1, &VAO1);
+	glGenBuffers(1, &VBO1);
+
+	glBindVertexArray(VAO1);
+	glBindBuffer(GL_ARRAY_BUFFER, VBO1);
+	glBufferData(GL_ARRAY_BUFFER, sizeof(square), square, GL_DYNAMIC_DRAW);
+
+	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0 );
+	glEnableVertexAttribArray(0);
+	glVertexAttribPointer(1, 3,GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3*sizeof(float)));
+	glEnableVertexAttribArray(1);
+	glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
+	glEnableVertexAttribArray(2);
+
 	
 	// Create Texture
-	unsigned int texture;
-	texture = createTexture("assets/textures/wall.jpg");
+	unsigned int texture = createTexture("assets/textures/wall.jpg");
 
 	unsigned int transformLoc = glGetUniformLocation(shader1, "transform");
-
 	mat4x4 transform;
 	mat4x4_identity(transform);
+
 	bool toogle=false;
 	float prev_time=0, dt=0, timer=0, time=0;
 	while(!glfwWindowShouldClose(window)) {
@@ -80,40 +91,47 @@ int main(int argc, char *argv[]) {
 		dt = time - prev_time;
 		prev_time = time;
 
-//		printf("dt: %f \n",dt*1000);
+		//printf("dt: %f", dt);
 
+		glBindVertexArray(VAO);
+		glBindBuffer(GL_ARRAY_BUFFER, VBO);
 		timer += dt;
 		if(timer>= 1.5f){
 			timer=0;
 			buffer = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);	
 			if (toogle){
+				glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
 				memcpy(buffer, triangle,sizeof(triangle));
-				buffer[16]=0.5f;
 			} else {
+				glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
 				memcpy(buffer, square, sizeof(square));
-				buffer[16]=0.0f;
 			}
 
-			printf("%f ", buffer[16]);
 			glUnmapBuffer(GL_ARRAY_BUFFER);
 			toogle = !toogle;
 		}
 
-		glClearColor(0.6f, 0.0f, 0.7f, 0.0f);
+		glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 		glUseProgram(shader1);
 		glBindTexture(GL_TEXTURE_2D, texture);
-		glBindVertexArray(VAO);
 
 		mat4x4_translate(transform, pos[0], pos[1], pos[2]);
 		glUniformMatrix4fv(transformLoc, 1, GL_FALSE, *transform);
 
-		if(toogle){
+		glBindVertexArray(VAO);
+		if(!toogle){
 			glDrawArrays(GL_TRIANGLES, 0, 3);
 		} else {
-			glDrawElements(GL_TRIANGLES, 6,GL_UNSIGNED_INT, 0);
+			glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
 		}
+
+		glBindVertexArray(VAO1);
+		glBindBuffer(GL_ARRAY_BUFFER, VBO1);
+		mat4x4_translate(transform, 0, 0, 0);
+		glUniformMatrix4fv(transformLoc, 1, GL_FALSE, *transform);
+		glDrawArrays(GL_POINTS, 0, 4);
 		
 		glfwSwapBuffers(window);
 		glfwPollEvents();