split template into a public template for storage allocation and private implementation and move the code into the cpp

engine/app.cpp

@@ -47,7 +47,7 @@ void App::init()
     shader_color.create(shader_color_v, shader_color_f);
     plane.create<15>(.5f, .5f);
     longPlane.create<1>(.3, .05f);
-    circle.create<6>(.5f);
+    circle.create<6>(.5f, .25f);
     if (!tex.load("data/image.png"))
         printf("error loading image\n");
     
@@ -84,7 +84,7 @@ void App::update(float dt)
     glm::mat4 view = glm::lookAt(glm::vec3(sinf(theta), 0, 1), glm::vec3(0, 0, 0), glm::vec3(0, 1, 0));
     auto mvp = proj * view * model;
     
-    glClearColor(red, 0, 0, 1);
+    //glClearColor(red, 0, 0, 1);
     glClear(GL_COLOR_BUFFER_BIT);
     shader.use();
     shader.u_mat4("mvp", glm::mat4());
@@ -92,7 +92,7 @@ void App::update(float dt)
     
     glActiveTexture(GL_TEXTURE0);
     tex.bind();
-    //circle.draw_fill();
+    circle.draw_fill();
     tex.unbind();
     
     shader_color.use();