Update trellis/utils/render_utils.py

trellis/utils/render_utils.py

@@ -91,13 +91,12 @@ def render_video(sample, resolution=512, bg_color=(0, 0, 0), num_frames=300, r=2
     # Start with isometric view (45 degrees yaw offset)
     isometric_yaw_offset = 3.1415 / 4  # 45 degrees in radians
     yaws = torch.linspace(isometric_yaw_offset, 2 * 3.1415 + isometric_yaw_offset, num_frames)
-    pitch = 0.25 + 0.5 * torch.sin(torch.linspace(0, 2 * 3.1415, num_frames))
+    pitch = [0.25] * num_frames  # Fixed pitch for isometric view
     yaws = yaws.tolist()
     pitch = pitch.tolist()
     extrinsics, intrinsics = yaw_pitch_r_fov_to_extrinsics_intrinsics(yaws, pitch, r, fov)
     return render_frames(sample, extrinsics, intrinsics, {'resolution': resolution, 'bg_color': bg_color}, **kwargs)
 
-
 def render_multiview(sample, resolution=512, nviews=30):
     r = 2
     fov = 40