加入工作室时师兄给了两道测试题，由于第一道是完善师兄的一个houdini项目管理插件，我只是开发了一些小功能，所以不好意思拿出来。
第二道题就完全是由自己开发的一个小插件，功能是把maya里的灯光导入到houdini里面。刚开始拿到测试题的时候有点慌，毕竟没怎么做过插件开发,还好师兄给了足够的时间，而且后面发现也没那么难，不过生了一场病，接连在床上躺了几天，不过后来都做出来了。基本做出来之后我就佛了，一天一天做一点，顺便学东西，到最后期限，刚好就把测试题交了，也算是有惊无险加入工作室。
插件下载 下载地址
接下来就开始讲怎么开发插件：
maya刚开始学插件开发，用的都是cmd这个库，因为伟添师兄博客上有很多学习笔记，确实帮了我很大的忙，而且最后发现师兄给的一个教程里面有一个就是讲灯光的，不过我已经基本按自己的思路做完了，也就没改。
而houdini里面就基本使用了hou模块开发。
由于刚开始学，而且参照师兄给的另一个插件，就都是用绝对路径写代码，可能对于用户很不友好，后来在做另一个插件时也研究了一下怎么使用相对路径，就是采用python的os库，但也不想改了，毕竟也可以记录一下自己的学习路径（更大原因还是因为懒）
首先是在qt里面做一些基本的ui界面，如图，我这里是做了好几个，因为有几种灯光，然后就可以实现灯光界面的切换
然后是写maya里面的代码，在编辑器(这里推荐vscode,或者pycharm)里面写上代码：
from PySide2 import QtWidgets, QtCore, QtGui
import pymel.core as pm
import PySide2.QtUiTools as QLoader
import maya.cmds as cmds
import json
main_ui = r"C:\Users\huangPeiXin\Desktop\sendLights\src\main.ui"
amibientLight_ui = r"C:\Users\huangPeiXin\Desktop\sendLights\src\amibientLight.ui"
areaLight_ui = r"C:\Users\huangPeiXin\Desktop\sendLights\src\areaLight.ui"
spotLight_ui = r"C:\Users\huangPeiXin\Desktop\sendLights\src\spotLight.ui"
pointLight_ui = r"C:\Users\huangPeiXin\Desktop\sendLights\src\pointLight.ui"
volumeLight_ui = r"C:\Users\huangPeiXin\Desktop\sendLights\src\volumeLight.ui"
directionalLight_ui = r"C:\Users\huangPeiXin\Desktop\sendLights\src\directionalLight.ui"
light_json = r"C:\Users\huangPeiXin\Desktop\sendLights\src\light_json.json"
def getLightAttr(light):
#获取灯光属性
#保存灯光名称
lightName = str(light.getTransform())
#用于保存每一盏灯光的属性
lightChild = {}
#根据灯光类型加载对应灯光属性
if pm.objectType(light) == "ambientLight":
lightChild["lightType"] = "ambientLight"
lightChild["translate"] = cmds.getAttr(lightName + ".translate")
lightChild["rotate"] = cmds.getAttr(lightName + ".rotate")
lightChild["scale"] = cmds.getAttr(lightName + ".scale")
lightChild["visibility"] = cmds.getAttr(lightName + ".visibility")
lightChild["color"] = cmds.getAttr(lightName + ".color")
lightChild["intensity"] = cmds.getAttr(lightName + ".intensity")
lightChild["useRayTraceShadows"] = cmds.getAttr(lightName + ".useRayTraceShadows")
lightChild["shadColor"] = [cmds.getAttr(lightName + ".shadColorR"),
cmds.getAttr(lightName + ".shadColorG"),cmds.getAttr(lightName + ".shadColorB"),]
elif pm.objectType(light) == "pointLight":
lightChild["lightType"] = "pointLight"
lightChild["translate"] = cmds.getAttr(lightName + ".translate")
lightChild["rotate"] = cmds.getAttr(lightName + ".rotate")
lightChild["scale"] = cmds.getAttr(lightName + ".scale")
lightChild["visibility"] = cmds.getAttr(lightName + ".visibility")
lightChild["color"] = cmds.getAttr(lightName + ".color")
lightChild["intensity"] = cmds.getAttr(lightName + ".intensity")
lightChild["useRayTraceShadows"] = cmds.getAttr(lightName + ".useRayTraceShadows")
lightChild["shadColor"] = [cmds.getAttr(lightName + ".shadColorR"),
cmds.getAttr(lightName + ".shadColorG"),cmds.getAttr(lightName + ".shadColorB"),]
lightChild["useDepthMapShadows"] = cmds.getAttr(lightName + ".useDepthMapShadows")
lightChild["dmapBias"] = cmds.getAttr(lightName + ".dmapBias")
lightChild["aiExposure"] = cmds.getAttr(lightName + ".aiExposure")
lightChild["aiRadius"] = cmds.getAttr(lightName + ".aiRadius")
elif pm.objectType(light) == "spotLight":
lightChild["lightType"] = "spotLight"
lightChild["translate"] = cmds.getAttr(lightName + ".translate")
lightChild["rotate"] = cmds.getAttr(lightName + ".rotate")
lightChild["scale"] = cmds.getAttr(lightName + ".scale")
lightChild["visibility"] = cmds.getAttr(lightName + ".visibility")
lightChild["color"] = cmds.getAttr(lightName + ".color")
lightChild["intensity"] = cmds.getAttr(lightName + ".intensity")
lightChild["useRayTraceShadows"] = cmds.getAttr(lightName + ".useRayTraceShadows")
lightChild["shadColor"] = [cmds.getAttr(lightName + ".shadColorR"),
cmds.getAttr(lightName + ".shadColorG"),cmds.getAttr(lightName + ".shadColorB"),]
lightChild["useDepthMapShadows"] = cmds.getAttr(lightName + ".useDepthMapShadows")
lightChild["dmapBias"] = cmds.getAttr(lightName + ".dmapBias")
lightChild["aiExposure"] = cmds.getAttr(lightName + ".aiExposure")
lightChild["aiRadius"] = cmds.getAttr(lightName + ".aiRadius")
lightChild["coneAngle"] = cmds.getAttr(lightName + ".coneAngle")
lightChild["penumbraAngle"] = cmds.getAttr(lightName + ".penumbraAngle")
lightChild["dropoff"] = cmds.getAttr(lightName + ".dropoff")
elif pm.objectType(light) == "directionalLight":
lightChild["lightType"] = "directionalLight"
lightChild["translate"] = cmds.getAttr(lightName + ".translate")
lightChild["rotate"] = cmds.getAttr(lightName + ".rotate")
lightChild["scale"] = cmds.getAttr(lightName + ".scale")
lightChild["visibility"] = cmds.getAttr(lightName + ".visibility")
lightChild["color"] = cmds.getAttr(lightName + ".color")
lightChild["intensity"] = cmds.getAttr(lightName + ".intensity")
lightChild["useRayTraceShadows"] = cmds.getAttr(lightName + ".useRayTraceShadows")
lightChild["shadColor"] = [cmds.getAttr(lightName + ".shadColorR"),
cmds.getAttr(lightName + ".shadColorG"),cmds.getAttr(lightName + ".shadColorB"),]
lightChild["useDepthMapShadows"] = cmds.getAttr(lightName + ".useDepthMapShadows")
lightChild["dmapBias"] = cmds.getAttr(lightName + ".dmapBias")
lightChild["aiExposure"] = cmds.getAttr(lightName + ".aiExposure")
lightChild["aiAngle"] = cmds.getAttr(lightName + ".aiAngle")
elif pm.objectType(light) == "areaLight":
lightChild["lightType"] = "areaLight"
lightChild["translate"] = cmds.getAttr(lightName + ".translate")
lightChild["rotate"] = cmds.getAttr(lightName + ".rotate")
lightChild["scale"] = cmds.getAttr(lightName + ".scale")
lightChild["visibility"] = cmds.getAttr(lightName + ".visibility")
lightChild["color"] = cmds.getAttr(lightName + ".color")
lightChild["intensity"] = cmds.getAttr(lightName + ".intensity")
lightChild["useRayTraceShadows"] = cmds.getAttr(lightName + ".useRayTraceShadows")
lightChild["shadColor"] = [cmds.getAttr(lightName + ".shadColorR"),
cmds.getAttr(lightName + ".shadColorG"),cmds.getAttr(lightName + ".shadColorB"),]
lightChild["useDepthMapShadows"] = cmds.getAttr(lightName + ".useDepthMapShadows")
lightChild["dmapBias"] = cmds.getAttr(lightName + ".dmapBias")
lightChild["aiExposure"] = cmds.getAttr(lightName + ".aiExposure")
lightChild["aiSpread"] = cmds.getAttr(lightName + ".aiSpread")
lightChild["aiRoundness"] = cmds.getAttr(lightName + ".aiRoundness")
lightChild["aiSoftEdge"] = cmds.getAttr(lightName + ".aiSoftEdge")
elif pm.objectType(light) == "volumeLight":
lightChild["lightType"] = "volumeLight"
lightChild["translate"] = cmds.getAttr(lightName + ".translate")
lightChild["rotate"] = cmds.getAttr(lightName + ".rotate")
lightChild["scale"] = cmds.getAttr(lightName + ".scale")
lightChild["visibility"] = cmds.getAttr(lightName + ".visibility")
lightChild["color"] = cmds.getAttr(lightName + ".color")
lightChild["intensity"] = cmds.getAttr(lightName + ".intensity")
lightChild["useRayTraceShadows"] = cmds.getAttr(lightName + ".useRayTraceShadows")
lightChild["shadColor"] = [cmds.getAttr(lightName + ".shadColorR"),
cmds.getAttr(lightName + ".shadColorG"),cmds.getAttr(lightName + ".shadColorB"),]
lightChild["useDepthMapShadows"] = cmds.getAttr(lightName + ".useDepthMapShadows")
lightChild["dmapBias"] = cmds.getAttr(lightName + ".dmapBias")
lightChild["aiExposure"] = cmds.getAttr(lightName + ".aiExposure")
lightChild["aiRadius"] = cmds.getAttr(lightName + ".aiRadius")
return lightChild
class LightManager(QtWidgets.QWidget):
#灯光管理器
def __init__(self):
super(LightManager, self).__init__()
self.setObjectName("project_manager")
#加载初始界面
loader = QLoader.QUiLoader()
self.ui = loader.load(main_ui)
self.ui.setParent(self)
self.setMaximumSize(450, 700)
self.setMinimumSize(450, 700)
#获取初始界面控件
self.comboBox = self.ui.findChild(QtWidgets.QComboBox, "comboBox")
self.widget = self.ui.findChild(QtWidgets.QWidget, "widget")
self.btn_loadAttr = self.ui.findChild(QtWidgets.QPushButton, "btn_loadAttr")
self.btn_sendAttr = self.ui.findChild(QtWidgets.QPushButton, "btn_sendAttr")
#获取灯光列表
self.light_list = self.getLight()
#加载灯光
self.creatChild()
#如果场景中没有灯光，弹出提示没有灯光，如果有，加载第一盏灯光
if self.light_list == []:
msg = QtWidgets.QMessageBox()
msg.setParent(self)
msg.setText("There is no light")
else:
self.layout = QtWidgets.QVBoxLayout()
self.widget.setLayout(self.layout)
self.childWin = LightWidget(self.light_list[0],self.light_list,0)
self.childWin.setMaximumSize(600, 800)
self.childWin.setMinimumSize(600, 800)
self.layout.addWidget(self.childWin)
self.comboBox.currentIndexChanged.connect(lambda: self.creatChildWin(self.comboBox.currentIndex()))
self.btn_sendAttr.clicked.connect(self.exportLight)
self.btn_loadAttr.clicked.connect(self.changeLight)
def creatChildWin(self,index):
#创建子窗口
self.layout.removeWidget(self.childWin)
print pm.objectType(self.light_list[index])
print self.light_list[index]
self.childWin = LightWidget(self.light_list[index],self.light_list,index)
self.childWin.setMaximumSize(420, 530)
self.childWin.setMinimumSize(420, 530)
self.layout.addWidget(self.childWin)
def creatChild(self):
#根据灯光的多少为comboBox添加子项目
for light in self.light_list:
self.comboBox.addItem(str(light.getTransform()))
def getLight(self):
#获取场景中所有的灯光
light_list = []
for light in pm.ls(type=["ambientLight","areaLight","spotLight","pointLight","directionalLight","volumeLight"]):
light_list.append(light)
return light_list
def changeLight(self):
#重新加载灯光属性
#移除原有列表
self.comboBox.clear()
#重新加载灯光列表
self.light_list = self.getLight()
self.creatChild()
#判断场景是否还有灯光
if self.light_list == []:
return 0
else:
self.layout.removeWidget(self.childWin)
self.childWin = LightWidget(self.light_list[0],self.light_list,0)
self.childWin.setMaximumSize(420, 530)
self.childWin.setMinimumSize(420, 530)
self.layout.addWidget(self.childWin)
def exportLight(self):
#导出灯光属性到json文件
light_dir = {}
#获取场景中所有的灯光
self.light_list = self.getLight()
for light in self.light_list:
#获取保存灯光名称
lightName = str(light.getTransform())
light_dir[lightName] = getLightAttr(light)
#写入到json文件中
with open(light_json,'w') as f:
json.dump(light_dir, f, indent=4)
class LightWidget(QtWidgets.QWidget):
#灯光界面基类，用于获取灯光的基础属性，
def __init__(self,light,light_list,index):
super(LightWidget, self).__init__()
# #获取属性
self.light = light
self.light_list = light_list
self.lightAttr = getLightAttr(light)
#根据灯光类型，加载不同灯光界面
if pm.objectType(self.light_list[index])=="ambientLight":
loader = QLoader.QUiLoader()
self.ui = loader.load(amibientLight_ui)
self.ui.setParent(self)
self.lineEdit_type = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_type")
self.lineEdit_type.setText(pm.objectType(self.light_list[index]))
elif pm.objectType(self.light_list[index])=="areaLight":
loader = QLoader.QUiLoader()
self.ui = loader.load(areaLight_ui)
self.ui.setParent(self)
self.lineEdit_type = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_type")
self.lineEdit_udms = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_udms")
self.lineEdit_db = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_db")
self.lineEdit_ae = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_ae")
self.lineEdit_as = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_as")
self.lineEdit_ar = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_ar")
self.lineEdit_ase = self.ui.findChild(QtWidgets.QLineEdit,"LineEdit_ase")
self.lineEdit_type.setText(pm.objectType(self.light_list[index]))
self.lineEdit_udms.setText(str(self.lightAttr["useDepthMapShadows"]))
self.lineEdit_db.setText(str(self.lightAttr["dmapBias"]))
self.lineEdit_ae.setText(str(self.lightAttr["aiExposure"]))
self.lineEdit_as.setText(str(self.lightAttr["aiSpread"]))
self.lineEdit_ar.setText(str(self.lightAttr["aiRoundness"]))
self.lineEdit_ase.setText(str(self.lightAttr["aiSoftEdge"]))
elif pm.objectType(self.light_list[index])=="spotLight":
loader = QLoader.QUiLoader()
self.ui = loader.load(spotLight_ui)
self.ui.setParent(self)
self.lineEdit_type = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_type")
self.lineEdit_udms = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_udms")
self.lineEdit_db = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_db")
self.lineEdit_ae = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_ae")
self.lineEdit_ca = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_ca")
self.lineEdit_pa = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_pa")
self.lineEdit_do = self.ui.findChild(QtWidgets.QLineEdit,"LineEdit_do")
self.lineEdit_ar = self.ui.findChild(QtWidgets.QLineEdit,"LineEdit_ar")
self.lineEdit_type.setText(pm.objectType(self.light_list[index]))
self.lineEdit_udms.setText(str(self.lightAttr["useDepthMapShadows"]))
self.lineEdit_db.setText(str(self.lightAttr["dmapBias"]))
self.lineEdit_ae.setText(str(self.lightAttr["aiExposure"]))
self.lineEdit_ca.setText(str(self.lightAttr["coneAngle"]))
self.lineEdit_pa.setText(str(self.lightAttr["penumbraAngle"]))
self.lineEdit_do.setText(str(self.lightAttr["dropoff"]))
self.lineEdit_ar.setText(str(self.lightAttr["aiRadius"]))
elif pm.objectType(self.light_list[index])=="pointLight":
loader = QLoader.QUiLoader()
self.ui = loader.load(pointLight_ui)
self.ui.setParent(self)
self.lineEdit_type = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_type")
self.lineEdit_udms = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_udms")
self.lineEdit_db = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_db")
self.lineEdit_ae = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_ae")
self.lineEdit_ar = self.ui.findChild(QtWidgets.QLineEdit,"LineEdit_ar")
self.lineEdit_type.setText(pm.objectType(self.light_list[index]))
self.lineEdit_udms.setText(str(self.lightAttr["useDepthMapShadows"]))
self.lineEdit_db.setText(str(self.lightAttr["dmapBias"]))
self.lineEdit_ae.setText(str(self.lightAttr["aiExposure"]))
self.lineEdit_ar.setText(str(self.lightAttr["aiRadius"]))
elif pm.objectType(self.light_list[index])=="directionalLight":
loader = QLoader.QUiLoader()
self.ui = loader.load(directionalLight_ui)
self.ui.setParent(self)
self.lineEdit_type = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_type")
self.lineEdit_udms = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_udms")
self.lineEdit_db = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_db")
self.lineEdit_ae = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_ae")
self.lineEdit_aa = self.ui.findChild(QtWidgets.QLineEdit,"LineEdit_aa")
self.lineEdit_type.setText(pm.objectType(self.light_list[index]))
self.lineEdit_udms.setText(str(self.lightAttr["useDepthMapShadows"]))
self.lineEdit_db.setText(str(self.lightAttr["dmapBias"]))
self.lineEdit_ae.setText(str(self.lightAttr["aiExposure"]))
self.lineEdit_aa.setText(str(self.lightAttr["aiAngle"]))
elif pm.objectType(self.light_list[index])=="volumeLight":
loader = QLoader.QUiLoader()
self.ui = loader.load(volumeLight_ui)
self.ui.setParent(self)
self.lineEdit_type = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_type")
self.lineEdit_udms = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_udms")
self.lineEdit_db = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_db")
self.lineEdit_ae = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_ae")
self.lineEdit_ar = self.ui.findChild(QtWidgets.QLineEdit,"LineEdit_ar")
self.lineEdit_type.setText(pm.objectType(self.light_list[index]))
self.lineEdit_udms.setText(str(self.lightAttr["useDepthMapShadows"]))
self.lineEdit_db.setText(str(self.lightAttr["dmapBias"]))
self.lineEdit_ae.setText(str(self.lightAttr["aiExposure"]))
self.lineEdit_ar.setText(str(self.lightAttr["aiRadius"]))
#获取界面共有子控件
self.lineEdit_tr_X = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_tr_X")
self.lineEdit_tr_Y = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_tr_Y")
self.lineEdit_tr_Z = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_tr_Z")
self.lineEdit_rt_X = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_rt_X")
self.lineEdit_rt_Y = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_rt_Y")
self.lineEdit_rt_Z = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_rt_Z")
self.lineEdit_sc_X = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_sc_X")
self.lineEdit_sc_Y = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_sc_Y")
self.lineEdit_sc_Z = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_sc_Z")
self.lineEdit_sco_X = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_sco_X")
self.lineEdit_sco_Y = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_sco_Y")
self.lineEdit_sco_Z = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_sco_Z")
self.lineEdit_int = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_int")
self.lineEdit_urt = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_urt")
self.lineEdit_vis = self.ui.findChild(QtWidgets.QLineEdit, "LineEdit_vis")
self.setValue()
def setValue(self):
#设置控件的值
self.lineEdit_tr_X.setText(str(self.lightAttr["translate"][0][0]))
self.lineEdit_tr_Y.setText(str(self.lightAttr["translate"][0][1]))
self.lineEdit_tr_Z.setText(str(self.lightAttr["translate"][0][2]))
self.lineEdit_rt_X.setText(str(self.lightAttr["rotate"][0][0]))
self.lineEdit_rt_Y.setText(str(self.lightAttr["rotate"][0][1]))
self.lineEdit_rt_Z.setText(str(self.lightAttr["rotate"][0][2]))
self.lineEdit_sc_X.setText(str(self.lightAttr["scale"][0][0]))
self.lineEdit_sc_Y.setText(str(self.lightAttr["scale"][0][1]))
self.lineEdit_sc_Z.setText(str(self.lightAttr["scale"][0][2]))
self.lineEdit_sco_X.setText(str(self.lightAttr["shadColor"][0]))
self.lineEdit_sco_Y.setText(str(self.lightAttr["shadColor"][1]))
self.lineEdit_sco_Z.setText(str(self.lightAttr["shadColor"][2]))
self.lineEdit_int.setText(str(self.lightAttr["intensity"]))
self.lineEdit_vis.setText(str(self.lightAttr["visibility"]))
self.lineEdit_urt.setText(str(self.lightAttr["useRayTraceShadows"]))
#创建窗口
win = LightManager()
win.show()
然后再写houdini里的脚本：
import json
import hou
#加载json文件
with open(r"C:\Users\Administrator\Desktop\sendLights\src\light_json.json") as js:
data = json.load(js)
class Light():
""" 灯光基类"""
def __init__(self, key):
self.obj = hou.node("obj")
self.key = key
#创建灯光
def createLight(self):
print self.key
self.light = self.obj.createNode("hlight")
self.light.setName(self.key)
#设置灯光位置
def setPostition(self):
self.posX = self.light.parm("tx")
self.posY = self.light.parm("ty")
self.posZ = self.light.parm("tz")
self.posX.set(data[self.key]["translate"][0][0])
self.posY.set(data[self.key]["translate"][0][1])
self.posZ.set(data[self.key]["translate"][0][2])
#设置灯光旋转
def setRotate(self):
self.posX = self.light.parm("rx")
self.posY = self.light.parm("ry")
self.posZ = self.light.parm("rz")
self.posX.set(data[self.key]["rotate"][0][0])
self.posY.set(data[self.key]["rotate"][0][1])
self.posZ.set(data[self.key]["rotate"][0][2])
#设置投影
def setShadow(self):
self.st = self.light.parm("shadow_type")
if data[self.key]["useDepthMapShadows"]:
self.st.set(2)
self.bias = self.light.parm("shadow_bias")
self.bias.set(data[self.key]["dmapBias"])
elif data[self.key]["useRayTraceShadows"]:
self.st.set(1)
self.scr = self.light.parm("shadow_colorr")
self.scg = self.light.parm("shadow_colorg")
self.scb = self.light.parm("shadow_colorb")
self.scr.set(data[self.key]["shadColor"][0])
self.scg.set(data[self.key]["shadColor"][1])
self.scb.set(data[self.key]["shadColor"][2])
#设置显示模式
def setDisplay(self):
self.tdis = self.light.parm("tdisplay")
self.tdis.set(True)
self.dis = self.light.parm("display")
if data[self.key]["visibility"]:
self.dis.set(1)
else:
self.dis.set(0)
#设置扩散
def setExposure(self):
self.le = self.light.parm("light_exposure")
self.le.set(data[self.key]["aiExposure"])
#设置颜色属性
def setColor(self):
self.colX = self.light.parm("light_colorr")
self.colY = self.light.parm("light_colorg")
self.colZ = self.light.parm("light_colorb")
self.colX.set(data[self.key]["color"][0][0])
self.colY.set(data[self.key]["color"][0][1])
self.colZ.set(data[self.key]["color"][0][2])
#灯光强度
def setIntensity(self):
self.inte = self.light.parm("light_intensity")
self.inte.set(data[self.key]["intensity"])
class AmbientLight(Light):
"""环境光类,继承自灯光基类"""
def __init__(self,key):
Light.__init__(self,key)
self.createLight()
self.setPostition()
self.setRotate()
self.setScale()
self.setColor()
self.setIntensity()
self.setDisplay()
#重写创建灯光
def createLight(self):
print self.key
#创建节点，并且重命名
self.light = self.obj.createNode("ambient")
self.light.setName(self.key)
self.file = self.light.children()[0]
self.transform = self.light.createNode("xform")
#连接节点
self.transform.setFirstInput(self.file)
#按下L键
self.light.layoutChildren()
#设置显示模式
self.transform.setDisplayFlag(True)
self.transform.setRenderFlag(True)
#重写位置属性
def setPostition(self):
self.posX = self.transform.parm("tx")
self.posY = self.transform.parm("ty")
self.posZ = self.transform.parm("tz")
self.posX.set(data[self.key]["translate"][0][0])
self.posY.set(data[self.key]["translate"][0][1])
self.posZ.set(data[self.key]["translate"][0][2])
#重写旋转属性
def setRotate(self):
self.rotX = self.transform.parm("rx")
self.rotY = self.transform.parm("ry")
self.rotZ = self.transform.parm("rz")
self.rotX.set(data[self.key]["rotate"][0][0])
self.rotY.set(data[self.key]["rotate"][0][1])
self.rotZ.set(data[self.key]["rotate"][0][2])
#设置大小属性
def setScale(self):
self.rotX = self.transform.parm("sx")
self.rotY = self.transform.parm("sy")
self.rotZ = self.transform.parm("sz")
self.rotX.set(data[self.key]["scale"][0][0])
self.rotY.set(data[self.key]["scale"][0][1])
self.rotZ.set(data[self.key]["scale"][0][2])
#重写显示属性
def setDisplay(self):
self.dis = self.light.parm("l_tdisplay")
self.dis.set(True)
self.disd = self.light.parm("l_display")
if data[self.key]["visibility"]:
self.disd.set(1)
else:
self.disd.set(0)
class DirectionalLight(Light):
"""平行光，继承自灯光基类"""
def __init__(self,key):
Light.__init__(self,key)
self.createLight()
self.setPostition()
self.setRotate()
self.setColor()
self.setIntensity()
self.setDisplay()
self.setShadow()
self.setExposure()
#重写创建灯光
def createLight(self):
print self.key
self.light = self.obj.createNode("hlight")
self.light.setName(self.key)
self.lightType = self.light.parm("light_type")
self.lightType.set(7)
#scale aiAngle
class PointLight(Light):
"""点光源，继承自灯光基类"""
def __init__(self,key):
Light.__init__(self,key)
self.createLight()
self.setPostition()
self.setRotate()
self.setColor()
self.setIntensity()
self.setDisplay()
self.setShadow()
self.setExposure()
#scale aiRadius
class SpotLight(Light):
"""聚光灯，继承自灯光基类"""
def __init__(self,key):
Light.__init__(self,key)
self.createLight()
self.setPostition()
self.setRotate()
self.setColor()
self.setIntensity()
self.setDisplay()
self.setShadow()
self.setExposure()
self.setAngle()
self.setDropoff()
#重写创建灯光
def createLight(self):
print self.key
self.light = self.obj.createNode("hlight")
self.light.setName(self.key)
#设置为聚光灯
self.coneenable = self.light.parm("coneenable")
self.coneenable.set(True)
#设置灯光角度
def setAngle(self):
self.angle = self.light.parm("coneangle")
self.angle.set(data[self.key]["coneAngle"])
#设置灯光衰减
def setDropoff(self):
self.coneroll = self.light.parm("coneroll")
self.coneroll.set(data[self.key]["dropoff"])
#scale aiRadius penumbraAngle
class AreaLight(Light):
"""平面光，继承自灯光基类"""
def __init__(self,key):
Light.__init__(self,key)
self.createLight()
self.setPostition()
self.setRotate()
self.setColor()
self.setIntensity()
self.setDisplay()
self.setShadow()
self.setExposure()
self.setSize()
#重写创建灯光
def createLight(self):
print self.key
self.light = self.obj.createNode("hlight")
self.light.setName(self.key)
#设置为平面光
self.lightType = self.light.parm("light_type")
self.lightType.set(2)
#设置灯光角度
def setAngle(self):
self.angle = self.light.parm("coneangle")
self.angle.set(data[self.key]["coneAngle"])
#设置灯光衰减
def setDropoff(self):
self.coneroll = self.light.parm("coneroll")
self.coneroll.set(data[self.key]["dropoff"])
#设置大小
def setSize(self):
self.areasize1 = self.light.parm("areasize1")
self.areasize1.set(data[self.key]["scale"][0][0])
self.areasize2 = self.light.parm("areasize2")
self.areasize2.set(data[self.key]["scale"][0][1])
# aiSpread aiRoundness aiSoftEdge
class VolumeLight(Light):
"""体积光，继承自灯光基类"""
def __init__(self,key):
Light.__init__(self,key)
self.createLight()
self.setPostition()
self.setRotate()
self.setColor()
self.setIntensity()
self.setDisplay()
self.setShadow()
self.setExposure()
#重写创建灯光
def createLight(self):
print self.key
self.geo = self.obj.createNode("geo")
self.geo.setName(self.key + "_sphere")
self.light = self.obj.createNode("hlight")
self.lightType = self.light.parm("light_type")
self.lightType.set(6)
self.areageometry = self.light.parm("areageometry")
self.areageometry.set("./" + self.key + "_sphere")
self.light.setName(self.key)
# airadius
def createLight():
#遍历字典，创建灯光
for key in data:
#根据灯光类型创建灯光
if data[key]["lightType"]=="ambientLight":
light = AmbientLight(key)
elif data[key]["lightType"] == "directionalLight":
light = DirectionalLight(key)
elif data[key]["lightType"] == "pointLight":
light = PointLight(key)
elif data[key]["lightType"] == "spotLight":
light = SpotLight(key)
elif data[key]["lightType"] == "areaLight":
light = AreaLight(key)
elif data[key]["lightType"] == "volumeLight":
light = VolumeLight(key)
obj = hou.node("obj")
#排列节点
obj.layoutChildren()
最后在maya与houdini里面加载这些脚本即可，至于怎么加载，可以参考我另外一篇博文maya灯光导入houdini插件开发——技术文档
