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Hex_Script.py
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#Alan Zheng
import maya.cmds as cmds
import random
import functools
cmds.selectPref(trackSelectionOrder = True)
cmds.grid( toggle=0 )
# create ui to ask for user input
def createUI( pWindowTitle, pApplyCallback ):
windowID = 'myWindowID'
if cmds.window( windowID, exists=True ):
cmds.deleteUI( windowID )
cmds.window( windowID, title=pWindowTitle, sizeable=False, resizeToFitChildren=True )
cmds.rowColumnLayout( numberOfColumns=3, columnWidth=[ (1,75), (2,60), (3,60) ], columnOffset=[ (1,'right',3) ] )
cmds.text( label='Hex Number:' )
numField = cmds.intField()
cmds.separator( h=10, style='none' )
cmds.text( label='Time Range:' )
startTimeField = cmds.intField( value=cmds.playbackOptions( q=True, minTime=True ) )
endTimeField = cmds.intField( value=cmds.playbackOptions( q=True, maxTime=True ) )
cmds.text( label='Attribute:' )
targetAttributeField = cmds.textField( text='rotateY' )
cmds.separator( h=10, style='none' )
cmds.separator( h=10, style='none' )
cmds.separator( h=10, style='none' )
cmds.separator( h=10, style='none' )
cmds.button( label='Apply', command=functools.partial( pApplyCallback, numField, startTimeField, endTimeField, targetAttributeField))
def cancelCallback( *pArgs ):
if cmds.window( windowID, exists=True ):
cmds.deleteUI( windowID )
cmds.button( label='Cancel', command=cancelCallback )
cmds.showWindow()
# function for rotation animation
def keyFullRotation( pObjectName, pStartTime, pEndTime, pTargetAttribute):
cmds.cutKey( pObjectName, time=(pStartTime, pEndTime), attribute=pTargetAttribute)
cmds.setKeyframe( pObjectName, time=pStartTime, attribute =pTargetAttribute, value=0)
cmds.setKeyframe( pObjectName, time=pEndTime, attribute=pTargetAttribute, value=360)
cmds.selectKey( pObjectName, time=(pStartTime, pEndTime), attribute=pTargetAttribute, keyframe=True)
cmds.keyTangent(inTangentType='linear', outTangentType='linear')
# function for expansion animation
def keyExpansion( pObjectName, pStartTime, pEndTime, pTargetAttribute):
cmds.cutKey( pObjectName, time=(pStartTime, pEndTime), attribute=pTargetAttribute)
cmds.setKeyframe( pObjectName, time=pStartTime, attribute =pTargetAttribute, value=100)
cmds.setKeyframe( pObjectName, time=((pStartTime + pEndTime) / 2), attribute =pTargetAttribute, value=50)
cmds.setKeyframe( pObjectName, time=pEndTime, attribute=pTargetAttribute, value=100)
cmds.selectKey( pObjectName, time=(pStartTime, pEndTime), attribute=pTargetAttribute, keyframe=True)
cmds.keyTangent(inTangentType='linear', outTangentType='linear')
# after the user presses apply
def applyCallback( pnumField, pStartTimeField, pEndTimeField, pTargetAttributeField, *pArgs ):
n = cmds.intField( pnumField, query=True, value=True)
random.seed (12345)
# deletes previous hexs, groups, and sphere when rerunning the script
hexList = cmds.ls("myHex*")
if len(hexList) > 0:
cmds.delete(hexList)
sphereList = cmds.ls("mySphere*")
if len(sphereList) > 0:
cmds.delete(sphereList)
expansionList = cmds.ls("expansion_locator_grp*")
if len(expansionList) > 0:
cmds.delete(expansionList)
hexshieldList = cmds.ls("hexshield*")
if len(hexshieldList) > 0:
cmds.delete(hexshieldList)
# create sphere and hex
sphereResult = cmds.polySphere( r = 1.15, name = "mySphere#")
result = cmds.polyCylinder( r = 1.15, h = .15, sx = 6, name = "myHex#")
cmds.polyBevel( fraction = .5, oaf = 1, af = 1, segments = 1, worldSpace = 1,
mergeVertexTolerance = 0.0001, miteringAngle = 180, angleTolerance = 180, ch = 1)
transformName=result[0]
instanceGroupName = cmds.group (empty=True, name = transformName + '_instance_grp#')
# create number of hexes based on user input
for i in range (0, n) :
instanceResult=cmds.instance(transformName, name=transformName + '_instance#')
cmds.parent (instanceResult, instanceGroupName)
x = random.uniform (-10,10)
y = random.uniform (0,20)
z = random.uniform (-10,10)
cmds.move (x, y, z, instanceResult)
xRot = random.uniform (0,360)
yRot = random.uniform (0,360)
zRot = random.uniform (0,360)
cmds.rotate (xRot,yRot,zRot, instanceResult)
scaling = random.uniform (0.3, 1.5)
cmds.scale(scaling, scaling, instanceResult)
cmds.aimConstraint(sphereResult[0], instanceResult, aimVector=[0,1,0])
# give each hex a random color
new_shader = cmds.shadingNode('lambert', asShader=True)
new_sg = cmds.sets(renderable=True, noSurfaceShader=True, empty=True)
cmds.connectAttr(new_shader + '.outColor', new_sg + ".surfaceShader", force=True)
r = random.uniform (0,5)
g = random.uniform (0,5)
b = random.uniform (0,5)
cmds.setAttr(new_shader+'.color', r,g,b)
cmds.select(instanceResult[0])
cmds.hyperShade(assign=new_shader)
cmds.hide (transformName)
cmds.xform (instanceGroupName, centerPivots=True)
cmds.move(0, 10, 0, 'mySphere1')
# create selectionList for expansion attribute
selectionListObj = []
objList = cmds.ls('myHex1_instance*')
for i in range (0, len(objList)):
if (i%2 == 0):
selectionListObj.append(objList[i])
# expansion attribute
locatorGroupName = cmds.group( empty=True, name='expansion_locator_grp#')
maxExpansion = 100
newAttributeName = 'expansion'
targetName = sphereResult[0]
if not cmds.objExists( '%s.%s' % ( targetName, newAttributeName )):
cmds.select(targetName)
cmds.addAttr( longName=newAttributeName, shortName='exp',
attributeType='double', min=0, max=maxExpansion,
defaultValue=maxExpansion, keyable=True )
for objectName in selectionListObj:
coords = cmds.getAttr( '%s.translate' % ( objectName ) )[0]
locatorName = cmds.spaceLocator( position=coords, name='%s_loc#' % ( objectName ) )[0]
cmds.xform( locatorName, centerPivots=True )
cmds.parent( locatorName, locatorGroupName )
pointConstraintName = cmds.pointConstraint( [ targetName, locatorName ], objectName, name='%s_pointConstraint#' % ( objectName ) )[0]
cmds.expression( alwaysEvaluate=True,
name='%s_attractWeight' % ( objectName ),
object=pointConstraintName,
string='%sW0=%s-%s.%s' % ( targetName, maxExpansion, targetName, newAttributeName ) )
cmds.connectAttr( '%s.%s' % ( targetName, newAttributeName ),
'%s.%sW1' % ( pointConstraintName, locatorName ) )
cmds.xform( locatorGroupName, centerPivots=True )
# groups locator and hex groups together
cmds.group('myHex1_instance_grp1', 'expansion_locator_grp1', n='hexshield')
# Gets all the attributes from user input
cmds.select('hexshield')
selectionList = cmds.ls( selection = True, type = 'transform' )
startTime = cmds.intField( pStartTimeField, query=True, value=True )
endTime = cmds.intField( pEndTimeField, query=True, value=True )
targetAttribute = cmds.textField( pTargetAttributeField, query=True, text=True )
cmds.playbackOptions( minTime=startTime, maxTime=endTime)
cmds.currentTime(startTime)
# sets up the keyframes for the rotation
keyFullRotation( selectionList[0], startTime, endTime, targetAttribute)
keyFullRotation( 'mySphere1', startTime, endTime, targetAttribute)
# sets up the keyframes for the expansion animation
keyExpansion( targetName, startTime, endTime, 'expansion')
cmds.select('hexshield',d=True)
# give surface shader to sphere
mySurf = cmds.shadingNode('surfaceShader',asShader=True)
cmds.setAttr(mySurf+'.outColor',1, .6359,0)
cmds.setAttr(mySurf+'.outGlowColor',.774, .550522,.160218)
cmds.select('mySphere1')
cmds.hyperShade( assign=mySurf)
# make camera
# delete old camera when rerunning the script
cameraList = cmds.ls("camera1*")
if len(cameraList) > 0:
cmds.delete(cameraList)
cameraName = cmds.camera()
cameraShape = cameraName[1]
cmds.setAttr('camera1'+'.translateX',-.094)
cmds.setAttr('camera1'+'.translateY',9.882)
cmds.setAttr('camera1'+'.translateZ',60)
cmds.setAttr('camera1'+'.rotateX',0)
cmds.setAttr('camera1'+'.rotateX',0)
cmds.setAttr('camera1'+'.rotateX',0)
cmds.lookThru( 'camera1' )
# delete old directional light when rerunning the script
dlList = cmds.ls("directionalLight1*")
if len(dlList) > 0:
cmds.delete(dlList)
# make directional light
light = cmds.directionalLight()
cmds.setAttr('directionalLight1'+'.translateX',16.845)
cmds.setAttr('directionalLight1'+'.translateY',20.178)
cmds.setAttr('directionalLight1'+'.translateZ',-11.09)
cmds.setAttr('directionalLight1'+'.rotateX',-24.798)
cmds.setAttr('directionalLight1'+'.rotateX',135.358)
cmds.setAttr('directionalLight1'+'.rotateX',0)
# delete old point light when rerunning the script
plList = cmds.ls("pointLight1*")
if len(plList) > 0:
cmds.delete(plList)
# make point light
plight = cmds.pointLight()
cmds.setAttr('pointLight1'+'.translateY', 10)
createUI('Animation Settings', applyCallback)