fix transformation kwargs

Author: Licini

scripts/boxes.py

@@ -16,8 +16,7 @@
                 pointsize=10,
                 facecolor=Color(i / N, j / N, k / N),
                 name=f"Box_{i}_{j}_{k}",
+                transformation = Translation.from_vector([i, j, k])
             )
 
-            obj.transformation = Translation.from_vector([i, j, k])
-
 viewer.show()

scripts/dynamic_box.py

@@ -9,16 +9,14 @@
 
 mesh = Mesh.from_shape(Box.from_width_height_depth(2, 2, 2))
 obj1 = viewer.scene.add(mesh)
-obj2 = viewer.scene.add(mesh)
-obj2.transformation = Translation.from_vector([5, 0, 0])
-
-obj3 = viewer.scene.add(mesh)
-obj3.transformation = Translation.from_vector([-5, 0, 0])
+obj2 = viewer.scene.add(mesh, transformation=Translation.from_vector([5, 0, 0]))
+obj3 = viewer.scene.add(mesh, transformation=Translation.from_vector([-5, 0, 0]))
 
 obj1.opacity = 0.7
 
 @viewer.on(interval=100)
 def deform_mesh(frame):
+    obj1.opacity = (frame / 20) % 1
     for v in mesh.vertices():
         vertex: list = mesh.vertex_attributes(v, "xyz")
         vertex[0] += (random() - 0.5) * 0.1

src/compas_viewer/scene/sceneobject.py

@@ -1,4 +1,3 @@
-from typing import Any
 from typing import Optional
 
 import numpy as np
@@ -7,7 +6,6 @@
 
 from compas.colors import Color
 from compas.geometry import Point
-from compas.geometry import Transformation
 from compas.geometry import transform_points_numpy
 from compas.scene import SceneObject
 from compas_viewer.base import Base
@@ -105,7 +103,6 @@ def __init__(
         self.use_rgba = use_rgba
 
         #  Geometric
-        self.transformation: Optional[Transformation] = None
         self._bounding_box: Optional[list[float]] = None
         self._bounding_box_center: Optional[Point] = None
 
@@ -114,10 +111,6 @@ def __init__(
         self._lines_data: Optional[ShaderDataType] = None
         self._frontfaces_data: Optional[ShaderDataType] = None
         self._backfaces_data: Optional[ShaderDataType] = None
-        self._points_buffer: [dict[str, Any]] = None  # type: ignore
-        self._lines_buffer: [dict[str, Any]] = None  # type: ignore
-        self._frontfaces_buffer: [dict[str, Any]] = None  # type: ignore
-        self._backfaces_buffer: [dict[str, Any]] = None  # type: ignore
 
         self._inited = False
         self.context = "Viewer"