--- a/tests/test_mesh.nim	Mon May 22 19:27:17 2023 +0700
+++ b/tests/test_mesh.nim	Tue May 23 01:05:06 2023 +0700
@@ -1,13 +1,19 @@
 import semicongine
 
 proc main() =
+  var ent1 = newEntity("hoho", rect())
+  var ent2 = newEntity("hehe", ent1)
+  var myScene = newScene("hi", ent2)
+  myScene.root.transform = translate3d(0.2'f32, 0'f32, 0'f32)
+  myScene.root.children[0].transform = translate3d(0'f32, 0.2'f32, 0'f32)
   var scenes = [
-    loadScene("default_cube.glb", "1"),
-    loadScene("default_cube1.glb", "3"),
-    loadScene("default_cube2.glb", "4"),
-    loadScene("flat.glb", "5"),
+    # loadScene("default_cube.glb", "1"),
+    # loadScene("default_cube1.glb", "3"),
+    # loadScene("default_cube2.glb", "4"),
+    # loadScene("flat.glb", "5"),
     loadScene("tutorialk-donat.glb", "6"),
-    loadScene("personv3.glb", "2"),
+    # myScene,
+    # loadScene("personv3.glb", "2"),
   ]
 
   var engine = initEngine("Test meshes")
@@ -15,37 +21,46 @@
     vertexInput = @[
       attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead),
       attr[uint8]("material", memoryPerformanceHint=PreferFastRead),
+      attr[Vec2f]("texcoord_0", memoryPerformanceHint=PreferFastRead),
+      attr[Mat4]("transform", memoryPerformanceHint=PreferFastWrite, perInstance=true),
     ]
-    vertexOutput = @[attr[Vec4f]("vertexColor")]
+    vertexOutput = @[attr[Vec4f]("vertexColor"), attr[Vec2f]("colorTexCoord")]
     fragOutput = @[attr[Vec4f]("color")]
     uniforms = @[
       attr[Mat4]("projection"),
       attr[Mat4]("view"),
-      attr[Mat4]("model"),
       attr[Vec4f]("material_color", arrayCount=16),
     ]
+    samplers = @[
+      attr[Sampler2DType]("material_color_texture", arrayCount=1),
+    ]
     vertexCode = compileGlslShader(
       stage=VK_SHADER_STAGE_VERTEX_BIT,
       inputs=vertexInput,
       outputs=vertexOutput,
       uniforms=uniforms,
-      main="""gl_Position =  Uniforms.projection * Uniforms.view * Uniforms.model * vec4(position, 1.0); vertexColor = Uniforms.material_color[material];"""
+      samplers=samplers,
+      main="""
+gl_Position =  vec4(position, 1.0) * (transform * Uniforms.view * Uniforms.projection);
+vertexColor = Uniforms.material_color[material];
+colorTexCoord = texcoord_0;
+"""
     )
     fragmentCode = compileGlslShader(
       stage=VK_SHADER_STAGE_FRAGMENT_BIT,
       inputs=vertexOutput,
       outputs=fragOutput,
       uniforms=uniforms,
-      main="""color = vertexColor;"""
+      samplers=samplers,
+      main="""color = texture(material_color_texture[0], colorTexCoord) * vertexColor;"""
     )
   engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode, clearColor=newVec4f(0, 0, 0, 1)))
   for scene in scenes.mitems:
-    engine.addScene(scene, vertexInput)
+    engine.addScene(scene, vertexInput, transformAttribute="transform")
     scene.addShaderGlobal("projection", Unit4)
     scene.addShaderGlobal("view", Unit4)
-    scene.addShaderGlobal("model", Unit4)
   var
-    size = 0.3'f32
+    size = 1'f32
     elevation = 0'f32
     azimut = 0'f32
     currentScene = 0
@@ -78,10 +93,8 @@
       "view",
        scale3d(size, size, size) * rotate3d(elevation, newVec3f(1, 0, 0)) * rotate3d(azimut, Yf32)
     )
-    scenes[currentScene].setShaderGlobal("model", Unit4f32)
     engine.renderScene(scenes[currentScene])
   engine.destroy()
 
-
 when isMainModule:
   main()