--- a/examples/hello_triangle.nim	Thu Jan 05 01:16:48 2023 +0700
+++ b/examples/hello_triangle.nim	Mon Jan 09 11:04:19 2023 +0700
@@ -1,7 +1,63 @@
-import engine
+import zamikongine/engine
+import zamikongine/math/vector
+import zamikongine/vertex
+import zamikongine/mesh
+import zamikongine/thing
+import zamikongine/shader
 
+type
+  VertexDataA = object
+    position11: VertexAttribute[Vec2[float32]]
+    color22: VertexAttribute[Vec3[float32]]
 
 when isMainModule:
   var myengine = igniteEngine()
+  var mymesh1 = new Mesh[VertexDataA]
+  mymesh1.vertexData = VertexDataA(
+    position11: VertexAttribute[Vec2[float32]](
+      data: @[
+        Vec2([-0.5'f32, -0.5'f32]),
+        Vec2([ 0.5'f32,  0.5'f32]),
+        Vec2([-0.5'f32,  0.5'f32]),
+      ]
+    ),
+    color22: VertexAttribute[Vec3[float32]](
+      data: @[
+        Vec3([1.0'f32, 1.0'f32, 0.0'f32]),
+        Vec3([0.0'f32, 1.0'f32, 0.0'f32]),
+        Vec3([0.0'f32, 1.0'f32, 1.0'f32]),
+      ]
+    )
+  )
+  var mymesh2 = new IndexedMesh[VertexDataA, uint16]
+  mymesh2.vertexData = VertexDataA(
+    position11: VertexAttribute[Vec2[float32]](
+      data: @[
+        Vec2([ 0.0'f32, -0.7'f32]),
+        Vec2([ 0.6'f32,  0.1'f32]),
+        Vec2([ 0.3'f32,  0.4'f32]),
+      ]
+    ),
+    color22: VertexAttribute[Vec3[float32]](
+      data: @[
+        Vec3([1.0'f32, 1.0'f32, 0.0'f32]),
+        Vec3([1.0'f32, 0.0'f32, 0.0'f32]),
+        Vec3([0.0'f32, 1.0'f32, 1.0'f32]),
+      ]
+    )
+  )
+  mymesh2.indices = @[[0'u16, 1'u16, 2'u16]]
+  var athing = new Thing
+  athing.parts.add mymesh1
+  var childthing = new Thing
+  childthing.parts.add mymesh2
+  athing.children.add childthing
+
+  setupPipeline[VertexDataA, uint16](
+    myengine,
+    athing,
+    generateVertexShaderCode[VertexDataA]("main", "position11", "color22"),
+    generateFragmentShaderCode[VertexDataA]("main"),
+  )
   myengine.fullThrottle()
   myengine.trash()