update for new rgba in viewer

src/compas_ifc/brep/tessellatedbrepobject.py

@@ -1,6 +1,7 @@
 from compas_viewer.scene import ViewerSceneObject
 from .tessellatedbrep import TessellatedBrep
 from compas.datastructures import Mesh
+from compas.colors import Color
 import numpy as np
 
 
@@ -9,34 +10,32 @@ def __init__(self, tessellatedbrep: TessellatedBrep, facecolors=None, **kwargs):
         super().__init__(item=tessellatedbrep, **kwargs)
         self.tessellatedbrep = tessellatedbrep
         self.facecolors = facecolors
-        self.use_rgba = True
 
         # TODO: it is not facecolors, it is verexcolor
         if not self.facecolors:
-            self.facecolors = [[0.5, 0.5, 0.5, 1.0] for _ in range(len(self.tessellatedbrep.faces) * 3)]
+            self.facecolors = [Color(0.5, 0.5, 0.5) for _ in range(len(self.tessellatedbrep.faces) * 3)]
+
+    def _read_points_data(self):
+        pass
 
     def _read_lines_data(self):
-        positions = self.tessellatedbrep.vertices
-        elements = self.tessellatedbrep.edges
-        colors = []
-        default_color = self.linescolor["_default"]
-        colors = np.full(shape=(len(elements), 3), fill_value=default_color)
-        return positions.tolist(), colors.tolist(), elements.tolist()
+        positions = self.tessellatedbrep.vertices.tolist()
+        elements = self.tessellatedbrep.edges.tolist()
+        colors = [Color(0.5, 0.5, 0.5)] * len(elements)
+        return positions, colors, elements
 
     def _read_frontfaces_data(self):
         positions = self.tessellatedbrep.vertices[self.tessellatedbrep.faces].reshape(-1, 3).tolist()
         elements = np.arange(len(positions) * 3).reshape(-1, 3).tolist()
-        colors = [color[:3] for color in self.facecolors]
-        opacities = [color[3] for color in self.facecolors]
-        return positions, colors, opacities, elements
+        colors = [Color(*color) for color in self.facecolors]
+        return positions, colors, elements
 
     def _read_backfaces_data(self):
         positions = self.tessellatedbrep.vertices[self.tessellatedbrep.faces].reshape(-1, 3).tolist()
         elements = np.arange(len(positions) * 3).reshape(-1, 3)
         elements = elements[:, ::-1].tolist()
-        colors = [color[:3] for color in self.facecolors]
-        opacities = [color[3] for color in self.facecolors]
-        return positions, colors, opacities, elements
+        colors = [Color(*color) for color in self.facecolors]
+        return positions, colors, elements
 
     def to_mesh(self):
         return Mesh.from_vertices_and_faces(self.tessellatedbrep.vertices, self.tessellatedbrep.faces)