TR | VFX

What I am currently working on today...

# TOM ROWELL - TRAFFIK PYTHON PROTOTPYE

import maya.cmds as cmds #REMEMBER TO UNCOMMENT FOR MAYA TESTING!!

import time, sched

vehicles = []

sceneLength = 0

timeIncrement = 0.0

sceneFPS = 0

class Vehicle:

id = 0

type = 'unused'

currentPath = 0

nextPath = 0

geometryObject = 'unused'

motionPath = 'unused'

ADL1 = 'unused'

ADL2 = 'unused'

ADL3 = 'unused'

def __init__(self):

self.geometryObject = cmds.polyCube()

for x in range(1, 4):

currentNode = cmds.createNode('addDoubleLinear')

exec("self.ADL" + str(x) + " = currentNode")

exec("cmds.connectAttr( \'" + self.ADL1 + ".output\', \'" + self.geometryObject[0] + ".translateX\')")

exec("cmds.connectAttr( \'" + self.ADL2 + ".output\', \'" + self.geometryObject[0] + ".translateY\')")

exec("cmds.connectAttr( \'" + self.ADL3 + ".output\', \'" + self.geometryObject[0] + ".translateZ\')")

exec("cmds.connectAttr( \'" + self.geometryObject[0] + ".transMinusRotatePivotX\', \'" + self.ADL1 + ".input1\')")

exec("cmds.connectAttr( \'" + self.geometryObject[0] + ".transMinusRotatePivotY\', \'" + self.ADL2 + ".input1\')")

exec("cmds.connectAttr( \'" + self.geometryObject[0] + ".transMinusRotatePivotZ\', \'" + self.ADL3 + ".input1\')")

self.motionPath = cmds.createNode('motionPath')

exec("cmds.setAttr(\'" + self.motionPath + ".fractionMode\', 1)")

exec("cmds.connectAttr(\'" + self.motionPath + ".xCoordinate\', \'" + self.ADL1 + ".input2\')")

exec("cmds.connectAttr(\'" + self.motionPath + ".yCoordinate\', \'" + self.ADL2 + ".input2\')")

exec("cmds.connectAttr(\'" + self.motionPath + ".zCoordinate\', \'" + self.ADL3 + ".input2\')")

def queryVehicle(self):

print ("\n==Current Vehicle Query==")

print ("ID: " + str(self.id))

print ("Type: " + self.type)

print ("Geo Obj: " + str(self.geometryObject[0]))

print ("ADL1: " + self.ADL1)

print ("ADL2: " + self.ADL2)

print ("ADL3: " + self.ADL3)

print ("==END OF VEHICLE QUERY==\n")

def attachToPath(self, path):

print ("Attaching to path on curve \'" + path + "\'") # debug line

exec("cmds.setAttr(\'" + self.motionPath + ".uValue\', 0)")

exec("cmds.connectAttr(\'" + path + ".worldSpace[0]\', \'" + self.motionPath + ".geometryPath\')")

exec("cmds.connectAttr(\'" + self.motionPath + ".message\', \'" + self.geometryObject[0] + ".specifiedManipLocation\')")

exec("cmds.connectAttr(\'" + self.motionPath + ".rotateOrder\', \'" + self.geometryObject[0] + ".rotateOrder\')")

exec("cmds.connectAttr(\'" + self.motionPath + ".rotateX\', \'" + self.geometryObject[0] + ".rotateX\')")

exec("cmds.connectAttr(\'" + self.motionPath + ".rotateY\', \'" + self.geometryObject[0] + ".rotateY\')")

exec("cmds.connectAttr(\'" + self.motionPath + ".rotateZ\', \'" + self.geometryObject[0] + ".rotateZ\')")

# reserved for future additions

def testVariables():

global currentPath

print ("Test variable is: " + str(currentPath))

def initVehicle( x ):

global vehicles

newV = Vehicle()

newV.id = x

vehicles.extend([newV]) # add a new vehicle to the end of the list

def findVehicle( x ):

global vehicles

for v in vehicles:

if v.id == x: return v

def getSceneLength():

global sceneLength

global sceneFPS

sceneLength = cmds.playbackOptions( query = True, maxTime = True ) # get max length of scene

sceneFPS = cmds.currentUnit( query = True, time = True ) # get fps of scene

if sceneFPS == "game": sceneFPS = 15.0

if sceneFPS == "film": sceneFPS = 24.0

if sceneFPS == "pal": sceneFPS = 25.0

if sceneFPS == "ntsc": sceneFPS = 30.0

if sceneFPS == "show": sceneFPS = 48.0

if sceneFPS == "palf": sceneFPS = 50.0

if sceneFPS == "ntscf": sceneFPS = 60.0

sceneLength = sceneLength / sceneFPS # generate scene time in seconds

return sceneLength # return scene time in seconds

def runSimulation(simLength):

cmds.currentTime( 0.0, edit = True)

printTime()

print ("Running a " + str(simLength) + " second length simulation\n")

simCounter = sched.scheduler(time.time, time.sleep)

runTime = simLength * 100

print ("This equals " + str(runTime) + "centiseconds\n")

printTime()

for x in range(0, runTime):

simCounter.enter(0.01, 1, doSim, ())

simCounter.run()

printTime()

def doSim():

global sceneFPS

global timeIncrement

timeIncrement = sceneFPS / 100

newSceneTime = cmds.currentTime(query = True) + timeIncrement

print newSceneTime

cmds.currentTime( newSceneTime, edit = True)

print "\nAdding a bit!"

def printTime():

currentTime = time.strftime("%H:%M:%S", time.gmtime())

print currentTime

getSceneLength()

runSimulation(getSceneLength())

# === everything beneath this line is testing related ====

# initVehicle(1)

# findVehicle(1).queryVehicle()

# findVehicle(1).attachToPath('curve1')

# initVehicle(2)

# findVehicle(2).queryVehicle()

# findVehicle(2).attachToPath('curve2')

# mass creation testing - comment out between tests