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Varying rotation speed with spinTo
Hello,
I am using the spinTo command in a for loop to spin to different view angles during an experiment. I want the rotation speed to be constant, independent from the actual and desired view angle. However, the spinTo command gives me different rotation speeds when I use it. Sometimes its faster, and sometimes its slower, even though I specify a constant speed angle. I have attached a working minimum example. Here, the speed will vary, seemingly at random. Code:
import viztask import viz import vizact angles = [-120,150,100,150,-170,50,90,150] viz.addChild('piazza.osgb') view=viz.MainView def run(): for k in angles: print str(k) yield viztask.waitKeyDown(' ') yield viztask.addAction(view, vizact.spinTo(euler=[k,0,0],speed=80,interpolate = vizact.linear)) viztask.schedule(run()) viz.go() |
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