Salabim 3D示例代码报ValueError: not enough values to unpack错误求助
2026-7-9
Salabim官方示例代码ValueError问题排查与修复
这段提取自Salabim官方文档的3D动画示例代码运行时触发ValueError: not enough values to unpack错误，原代码如下：
import salabim as sim from salabim import TrajectoryCircle env = sim.Environment() env.background_color("90%gray") env.width(900) env.height(700) env.position((1000, 0)) env.width3d(900) env.height3d(700) env.position3d((0, 100)) env.animate(True) env.animate3d(True) env.show_camera_position() env.show_camera_position(over3d=True) sim.Animate3dGrid(x_range=range(-2, 3), y_range=range(-2, 3)) traj0 = TrajectoryCircle(radius=2, vmax=1) d0 = traj0.duration() sim.Animate3dBox( x_len=1, y_len=1, z_len=1, color="red", x=lambda t: traj0.x(t % d0), y=lambda t: traj0.y(t % d0), z=0.5, z_angle=lambda t: traj0.angle(t % d0) ) traj1 = TrajectoryCircle(radius=1, vmax=1, angle0=360, angle1=0) d1 = traj1.duration() sim.Animate3dBox( x_len=0.5, y_len=0.5, z_len=0.5, color="green", x=lambda t: traj1.x(t % d1), y=lambda t: traj1.y(t % d1), z=0.25, z_angle=lambda t: traj1.angle(t % d1) ) env.camera_move("""\ view(x_eye=4.0000,y_eye=4.0000,z_eye=4.0000,x_center=0.0000,y_center=0.0000,z_center=0.0000,field_of_view_y=45.0000) # t=0.0000 view(x_eye=3.6000,y_eye=3.6000,z_eye=3.6000) # t=0.4957 view(x_eye=3.2400,y_eye=3.2400,z_eye=3.2400) # t=0.9443 view(x_eye=3.2961,y_eye=3.1830,z_eye=3,2400) # t=1.6593 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.9160) # t=3.3829 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.6244) # t=3.5666 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.3620) # t=3.7464 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.1258) # t=3.8976 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.9132) # t=4.1154 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.7219) # t=4.3627 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.5497) # t=4.5476 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.3947) # t=4.7275 view(x_eye=3.3511,y_eye=3.1250) # t=5.3634 view(field_of_view_y=40.5000) # t=6.4102 view(field_of_view_y=36.4500) # t=6.7709 view(field_of_view_y=40.5000) # t=7.2002 view(field_of_view_y=45.0000) # t=7.3853 view(field_of_view_y=50.0000) # t=7.5354 view(field_of_view_y=55.5556) # t=7.6858 view(field_of_view_y=61.7284) # t=7.8731 view(field_of_view_y=68.5871) # t=8.0212 view(field_of_view_y=76.2079) # t=8.2113 view(field_of_view_y=84.6754) # t=8.4003 view(field_of_view_y=94.0838) # t=8.5829 view(field_of_view_y=104.5376) # t=8.7949 view(field_of_view_y=116.1529) # t=9.0388 view(field_of_view_y=129.0587) # t=9.2250 view(field_of_view_y=143.3986) # t=9.4486 view(field_of_view_y=129.0587) # t=11.0184 view(x_eye=4.0000,y_eye=4.0000,z_eye=4.0000,x_center=0.0000,y_center=0.0000,z_center=0.0000,field_of_view_y=45.0000) # t=11.6400 """, lag=1) env.run()
问题原因
错误源于camera_move指令中的一处笔误：第4行的z_eye=3,2400使用了逗号作为小数点分隔符，Salabim解析时会将其识别为两个独立的值，导致参数解包时出现“值不足”的错误。
修复方案
将该行的逗号替换为小数点，修正为z_eye=3.2400即可解决问题。修复后的完整代码如下：
import salabim as sim from salabim import TrajectoryCircle env = sim.Environment() env.background_color("90%gray") env.width(900) env.height(700) env.position((1000, 0)) env.width3d(900) env.height3d(700) env.position3d((0, 100)) env.animate(True) env.animate3d(True) env.show_camera_position() env.show_camera_position(over3d=True) sim.Animate3dGrid(x_range=range(-2, 3), y_range=range(-2, 3)) traj0 = TrajectoryCircle(radius=2, vmax=1) d0 = traj0.duration() sim.Animate3dBox( x_len=1, y_len=1, z_len=1, color="red", x=lambda t: traj0.x(t % d0), y=lambda t: traj0.y(t % d0), z=0.5, z_angle=lambda t: traj0.angle(t % d0) ) traj1 = TrajectoryCircle(radius=1, vmax=1, angle0=360, angle1=0) d1 = traj1.duration() sim.Animate3dBox( x_len=0.5, y_len=0.5, z_len=0.5, color="green", x=lambda t: traj1.x(t % d1), y=lambda t: traj1.y(t % d1), z=0.25, z_angle=lambda t: traj1.angle(t % d1) ) env.camera_move("""\ view(x_eye=4.0000,y_eye=4.0000,z_eye=4.0000,x_center=0.0000,y_center=0.0000,z_center=0.0000,field_of_view_y=45.0000) # t=0.0000 view(x_eye=3.6000,y_eye=3.6000,z_eye=3.6000) # t=0.4957 view(x_eye=3.2400,y_eye=3.2400,z_eye=3.2400) # t=0.9443 view(x_eye=3.2961,y_eye=3.1830,z_eye=3.2400) # t=1.6593 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.9160) # t=3.3829 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.6244) # t=3.5666 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.3620) # t=3.7464 view(x_eye=3.2961,y_eye=3.1830,z_eye=2.1258) # t=3.8976 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.9132) # t=4.1154 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.7219) # t=4.3627 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.5497) # t=4.5476 view(x_eye=3.2961,y_eye=3.1830,z_eye=1.3947) # t=4.7275 view(x_eye=3.3511,y_eye=3.1250) # t=5.3634 view(field_of_view_y=40.5000) # t=6.4102 view(field_of_view_y=36.4500) # t=6.7709 view(field_of_view_y=40.5000) # t=7.2002 view(field_of_view_y=45.0000) # t=7.3853 view(field_of_view_y=50.0000) # t=7.5354 view(field_of_view_y=55.5556) # t=7.6858 view(field_of_view_y=61.7284) # t=7.8731 view(field_of_view_y=68.5871) # t=8.0212 view(field_of_view_y=76.2079) # t=8.2113 view(field_of_view_y=84.6754) # t=8.4003 view(field_of_view_y=94.0838) # t=8.5829 view(field_of_view_y=104.5376) # t=8.7949 view(field_of_view_y=116.1529) # t=9.0388 view(field_of_view_y=129.0587) # t=9.2250 view(field_of_view_y=143.3986) # t=9.4486 view(field_of_view_y=129.0587) # t=11.0184 view(x_eye=4.0000,y_eye=4.0000,z_eye=4.0000,x_center=0.0000,y_center=0.0000,z_center=0.0000,field_of_view_y=45.0000) # t=11.6400 """, lag=1) env.run()
内容的提问来源于stack exchange，提问作者Akestor
相关产品推荐
相关产品推荐
