Updated

Scripts/Animation/aTools/generalTools/tumbleOnObjects.py

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+'''
+========================================================================================================================
+Author: Alan Camilo
+www.alancamilo.com
+
+Requirements: aTools Package
+
+------------------------------------------------------------------------------------------------------------------------
+To install aTools, please follow the instructions in the file how_to_install.txt
+
+------------------------------------------------------------------------------------------------------------------------
+To unistall aTools, go to menu (the last button on the right), Uninstall
+
+========================================================================================================================
+
+Tumble on objects was adapted from:
+
+''' 
+
+from maya import cmds
+from maya import mel
+from aTools.generalTools.aToolsGlobals import aToolsGlobals as G
+from aTools.commonMods import utilMod
+
+import math
+
+class TumbleOnObjects(object):
+    
+    def __init__(self):
+        self.currentLocalTumble = cmds.tumbleCtx ("tumbleContext", query=True, localTumble=True)
+        self.unitMultiplier = {"mm": 0.1,
+                               "cm": 1.0,
+                               "m" : 100.0,
+                               "in": 2.54,
+                               "ft": 30.48,
+                               "yd": 91.44}
+
+    def switch(self, onOff):
+    
+        utilMod.killScriptJobs("G.tumbleOnObjectsScriptJobs")
+        
+        if onOff:
+            cmds.tumbleCtx ("tumbleContext", edit=True, localTumble=0)
+            #scriptJob   
+            G.tumbleOnObjectsScriptJobs.append(cmds.scriptJob(runOnce = False, killWithScene = False, event =('DragRelease', self.update )))
+            G.tumbleOnObjectsScriptJobs.append(cmds.scriptJob(runOnce = False, killWithScene = False, event =('SelectionChanged', self.update )))
+            G.tumbleOnObjectsScriptJobs.append(cmds.scriptJob(runOnce = False, killWithScene = False, event =('timeChanged', self.update )))
+            
+            self.update()
+            
+        else:
+            cmds.tumbleCtx ("tumbleContext", edit=True, localTumble=self.currentLocalTumble)
+
+    def update(self):
+        
+        sel             = cmds.ls(selection=True)        
+                
+        if len(sel) > 0:             
+            
+            sel             = sel[-1]                           
+            allowedTypes    = ["transform", "joint"]
+            
+            if cmds.nodeType(sel) in allowedTypes :
+                
+                currUnit        = cmds.currentUnit(query=True, linear=True)
+                unitMultiplier  = self.unitMultiplier[currUnit]
+                isMesh          = cmds.listRelatives(sel, allDescendents=True, noIntermediate=True, type="mesh") != None
+           
+                if isMesh:  
+                    bb  = cmds.xform(sel, query=True, boundingBox=True, ws=True)
+                    x   = ((bb[0] + bb[3])/2.)
+                    y   = ((bb[1] + bb[4])/2.)
+                    z   = ((bb[2] + bb[5])/2.)
+                    
+                else:
+                    xyz = cmds.xform(sel, query=True, ws=True, rotatePivot=True)
+                    x   = xyz[0]
+                    y   = xyz[1]
+                    z   = xyz[2]
+            
+                
+                x     = x * unitMultiplier
+                y     = y * unitMultiplier
+                z     = z * unitMultiplier
+                cams  = cmds.ls(dag=True, cameras=True )
+                
+                """
+                for loopCam in cams:
+                    if math.isnan(cmds.getAttr("%s.centerOfInterest"%loopCam)):
+                        print "center is NAN"
+                
+                if math.isnan(x) or math.isnan(y) or math.isnan(z): 
+                    print "tumble returns"
+                    print xyz
+                    for cam in cams:
+                        t = cmds.xform(cam, query=True, ws=True, rotatePivot=True)
+                        print cam, t
+                    return
+                """
+                
+                cmds.undoInfo(stateWithoutFlush=False)
+                                
+                for loopCam in cams:
+                    try:      cmds.setAttr("%s.tumblePivot"%loopCam, x, y, z)
+                    except:   pass
+                
+                cmds.undoInfo(stateWithoutFlush=True)
+                
+                    
+                    
+