diff --git a/headers/shapes.h b/headers/shapes.h
index 77b7c09..e97b32d 100644
--- a/headers/shapes.h
+++ b/headers/shapes.h
@@ -1,18 +1,25 @@
-float tri_vertices[] = {-0.5f, -0.5f, 0.0f, 0.5f, -0.5f, 0.0f, 0.0f, 0.5f, 0.0f};
+float tri_vertices[] = {-0.5f, -0.5f, 0.0f, 0.5f, -0.5f,
+                        0.0f,  0.0f,  0.5f, 0.0f};
+float tri_rgb_vertices[] = {
+    0.5f,  -0.5f, 0.0f, 1.0f, 0.0f, 0.0f, /**/
+    -0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, /**/
+    0.0f,  0.5f,  0.0f, 0.0f, 0.0f, 1.0f  /**/
+};
 
 float sqr_vertices[] = {
-  0.5f,  0.5f, 0.0f,  /*top R*/
-  0.5f, -0.5f, 0.0f,  /*bottom R*/
-  -0.5f, -0.5f, 0.0f, /*bottom L*/
-  -0.5f,  0.5f, 0.0f/*top R*/
+    0.5f,  0.5f,  0.0f, /*top R*/
+    0.5f,  -0.5f, 0.0f, /*bottom R*/
+    -0.5f, -0.5f, 0.0f, /*bottom L*/
+    -0.5f, 0.5f,  0.0f  /*top R*/
 };
 
 unsigned int sqr_indices[] = {
-  0, 1, 3,/*tl triangle*/
-  1, 2, 3 /*br triangle*/
+    0, 1, 3, /*tl triangle*/
+    1, 2, 3  /*br triangle*/
 };
 
-const char *basicVertexShaderSource = "#version 330 core\n"
+const char *basicVertexShaderSource =
+    "#version 330 core\n"
     "layout (location = 0) in vec3 aPos;\n"
     "out vec3 color;\n"
     "void main()\n"
@@ -22,9 +29,28 @@ const char *basicVertexShaderSource = "#version 330 core\n"
     "}\0";
 
 const char *basicFragmentShaderSource = "#version 330 core\n"
-  "out vec3 FragColor;\n"
-  "in vec3 color;"
-  "void main()\n"
-  "{\n"
-  "    FragColor = (color/2+.5)*1.5;\n"
-  "}\n";
+                                        "out vec3 FragColor;\n"
+                                        "in vec3 color;"
+                                        "void main()\n"
+                                        "{\n"
+                                        "    FragColor = (color/2+.5)*1.5;\n"
+                                        "}\n";
+
+const char *rgbVertexShaderSource =
+    "#version 330 core\n"
+    "layout (location = 0) in vec3 aPos;\n"
+    "layout (location = 1) in vec3 aColor;\n"
+    "out vec3 color;\n"
+    "void main()\n"
+    "{\n"
+    "   color = aColor;\n"
+    "   gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0);\n"
+    "}\0";
+
+const char *rgbFragmentShaderSource = "#version 330 core\n"
+                                      "out vec4 FragColor;\n"
+                                      "in vec3 color;\n"
+                                      "void main()\n"
+                                      "{\n"
+                                      "    FragColor = vec4(color, 1.0);\n"
+                                      "}\0";
diff --git a/src/main.cpp b/src/main.cpp
index 763d2b7..38778df 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -39,17 +39,21 @@ int main(void) {
   glGenBuffers(1, &VBO);
   glBindBuffer(GL_ARRAY_BUFFER, VBO);
 
-  glBufferData(GL_ARRAY_BUFFER, sizeof(sqr_vertices), sqr_vertices,
+  glBufferData(GL_ARRAY_BUFFER, sizeof(tri_rgb_vertices), tri_rgb_vertices,
                GL_STATIC_DRAW);
-  glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void *)0);
+  glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void *)0);
   glEnableVertexAttribArray(0);
+  glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void *)(3 * sizeof(float)));
+  glEnableVertexAttribArray(1);
 
+  /*
   glGenBuffers(1, &EBO);
   glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
   glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(sqr_indices), sqr_indices, GL_STATIC_DRAW);
+  */
 
   unsigned int shaderProgram =
-      shaderProgramCMPL(basicVertexShaderSource, basicFragmentShaderSource);
+      shaderProgramCMPL(rgbVertexShaderSource, rgbFragmentShaderSource);
   glUseProgram(shaderProgram);
 
   while (!glfwWindowShouldClose(window)) {
@@ -61,7 +65,8 @@ int main(void) {
     glUseProgram(shaderProgram);
     glBindVertexArray(VAO);
 
-    glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+    //glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+    glDrawArrays(GL_TRIANGLES, 0, 3);
     glfwSwapBuffers(window);
 
     glfwPollEvents();