--- a/examples/E01_hello_triangle.nim	Mon Sep 04 00:48:00 2023 +0700
+++ b/examples/E01_hello_triangle.nim	Mon Sep 04 00:55:35 2023 +0700
@@ -1,37 +1,33 @@
+import std/tables
+
 import ../src/semicongine
 
-
+# shader setup
 const
-  inputs = @[
-    attr[Vec3f]("position"),
-    attr[Vec4f]("color"),
-  ]
-  intermediate = @[attr[Vec4f]("outcolor")]
-  outputs = @[attr[Vec4f]("color")]
-  (vertexCode, fragmentCode) = compileVertexFragmentShaderSet(
-    inputs=inputs,
-    intermediate=intermediate,
-    outputs=outputs,
-    vertexCode="""
-    gl_Position = vec4(position, 1.0);
-    outcolor = color;
-    """,
+  shaderConfiguration = createShaderConfiguration(
+    inputs=[
+      attr[Vec3f]("position"),
+      attr[Vec4f]("color"),
+    ],
+    intermediates=[attr[Vec4f]("outcolor")],
+    outputs=[attr[Vec4f]("color")],
+    vertexCode="gl_Position = vec4(position, 1.0); outcolor = color;",
     fragmentCode="color = outcolor;",
   )
 
+# scene setup
 var
-  triangle = newScene("scene", newEntity(
-    "triangle",
-    {"mesh": Component(newMesh(
+  triangle = Scene(name: "scene",
+    meshes: @[newMesh(
       [newVec3f(-0.5, 0.5), newVec3f(0, -0.5), newVec3f(0.5, 0.5)],
       [newVec4f(1, 0, 0, 1), newVec4f(0, 1, 0, 1), newVec4f(0, 0, 1, 1)],
-    ))}
-  ))
+      material=Material(name: "")
+    )]
+  )
   myengine = initEngine("Hello triangle")
-  renderPass = myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)
 
-myengine.setRenderer(renderPass)
-myengine.addScene(triangle, inputs, @[], transformAttribute="")
+myengine.initRenderer({"": shaderConfiguration}.toTable)
+myengine.addScene(triangle)
 
 while myengine.updateInputs() == Running and not myengine.keyWasPressed(Escape):
   myengine.renderScene(triangle)