Shake_EXPR

trembleEXPR

import pymel.core as pm
import random as rand
 
objs = pm.selected()
 
for obj in objs:
    pm.addAttr(obj, sn = "Yamp", attributeType = "float")
    pm.setAttr(str(obj)+".Yamp", amp)
    
    pm.addAttr(obj, sn = "Zmove", attributeType = "float")
    pm.setAttr(str(obj)+".Zmove", amp2)
    
    pm.addAttr(obj, sn = "Zrot", attributeType = "float")
    pm.setAttr(str(obj)+".Zrot", amp3)
    
    pm.addAttr(obj, sn = "delay", attributeType = "float")
    pm.setAttr(str(obj)+".delay", delay)
    
    
    amp = rand.uniform(0.01, 0.02)
    amp2 = rand.uniform(0.001, 0.002)
    amp3 = rand.uniform(0.01, 0.02)
    delay = rand.uniform(-10, -20)  
    
    expstr = "int $frame = `currentTime -q`;"
    expstr += "if($frame == 1 ){"
    expstr +=  str(obj)+".translateZ = 0;"
    expstr += "}else{"
    expstr +=  str(obj)+".translateY = abs(sin(time*22)*" + str(obj) + ".Yamp" + ");"
    expstr +=  str(obj)+".translateZ +=" + str(obj) + ".Zmove" + ";"
    expstr +=  str(obj)+".rotateZ = abs(sin(time*22)*" + str(obj) + ".Zrot" + ");"
    expstr += "}"
    exp = pm.expression(obj, string=expstr, n="exp"+str(obj))
    
    pma = pm.createNode("plusMinusAverage")
    
    pm.connectAttr("time1.outTime", pma.input1D[0], f=True)
    pm.setAttr("{0}.input1D[1]".format(pma), delay)
    pm.connectAttr("{0}.output1D".format(pma), "{0}.time".format(exp), f=True)