Update app.py

app.py

@@ -285,10 +285,28 @@ def reset_state(task_history):
     return []
 
 def make_pointcloud_figure(verts,rotate=False):
-    fig = go.Figure(go.Scatter3d(
-        x=[0,0.2, -0.2], y=[0,0.2,-0.2], z=[0,0.2,-0.2],
-        mode='markers', marker=dict(size=8)
-    ))
+    if rotate:
+        verts = verts.copy()
+        verts[:, 0] *= -1.0
+    marker_size = 6
+    scatter = go.Scatter3d(
+        x=verts[:,0], y=verts[:,1], z=verts[:,2],
+        mode='markers',
+        marker=dict(size=marker_size, color='blue', opacity=0.8),
+    )
+
+    fig = go.Figure(scatter)
+    # 让 Plotly 自动缩放到数据范围
+    fig.update_layout(
+        width=600, height=400,
+        scene=dict(
+            xaxis=dict(visible=False),
+            yaxis=dict(visible=False),
+            zaxis=dict(visible=False),
+            aspectmode='auto'
+        ),
+        margin=dict(l=0,r=0,b=0,t=0)
+    )
     return fig
     
 def make_pointcloud_figure_new1(verts, rotate=False):