目录

maya获取帧长度 python实现

获取对象的帧长度

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maya获取帧长度 python实现

import maya.cmds as cmds# 获取动画的起始帧和结束帧
start_frame = cmds.playbackOptions(query=True, minTime=True)
end_frame = cmds.playbackOptions(query=True, maxTime=True)# 计算帧长度
frame_length = end_frame - start_frame + 1print("动画的帧长度为:", frame_length)

mel实现

获取对象的帧长度

import maya.cmds as cmds# 指定要查询动画的对象和属性
object_name = "pCube1"
attribute_name = "translateX"# 获取动画曲线
anim_curve = cmds.listConnections(object_name + "." + attribute_name, type="animCurve")if anim_curve:# 获取动画曲线的起始帧和结束帧start_frame = cmds.findKeyframe(anim_curve, which="first")end_frame = cmds.findKeyframe(anim_curve, which="last")# 计算帧长度frame_length = end_frame - start_frame + 1print("对象 {} 的 {} 属性动画的帧长度为: {}".format(object_name, attribute_name, frame_length))
else:print("未找到对象 {} 的 {} 属性的动画曲线。".format(object_name, attribute_name))