def change_hierarchy_and_animate():
"""
Function modifies the hierarchy of scene and creates some final animations, that ware not possible to create earlier.
It also creates cameras and lights.
"""
cmds.lookThru( 'perspView', 'RenderCamera1') # Change the perspective viewport to the render camera.
top_locator = cmds.spaceLocator() # Parent for all the elemements that will rotate together
objects_list = ['land', 'water', 'cloud', 'shark', ]
for obj in objects_list:
cmds.parent(obj, top_locator)
cmds.setKeyframe(top_locator, attribute='rotateY', v=20, time=260, itt="plateau", ott="plateau")
cmds.setKeyframe(top_locator, attribute='rotateY', v=0, time=0, itt="linear", ott="linear")
dome_light = cmds.polySphere(r=500) # This sphere is a substitute of a skylight in 3Ds Max
cmds.polyNormal(dome_light, normalMode=0) # The normals have to point to inside
cmds.setAttr(dome_light[0]+".miDeriveFromMaya", 0) # Enable changes in object render settings
cmds.setAttr(dome_light[0]+".miVisible", 0) # This object will be invisible to camera
cmds.setAttr(dome_light[0]+".miShadow", 0) # And will not affect shadows
cmds.rename(dome_light[0], "dome_light")
area_light = cmds.shadingNode('areaLight', asLight=True)
cmds.scale(25, 25, 25, area_light, absolute=True)
cmds.move(-230.59, 178.425, 99.192, area_light)
cmds.rotate(0, -68.929, -37.987, area_light)
cmds.setAttr(area_light+".intensity", 120000.0)
cmds.setAttr(area_light+".areaLight", 1)
cmds.setAttr(area_light+".areaType", 1)
cmds.setAttr(area_light+".decayRate", 2)
cmds.setAttr(area_light+".areaHiSamples", 64)
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