#1




On the fly
Hi,
I'm brand new to Vizard and would like to find out if i can do the following: Insert multiple dot circles (like the example in the onthefly demo) and assign different directions of motion to each. Currently, I have made a display that contains 3 dot balls, in a vertical column; and I have worked out how to assign motion to each. Now, I am trying to work out how i could substitute the following code: #Change the position of a vertex for m in range (0, NUM_DOTS): x = random.random()  0.5 y = random.random()  0.5 z = random.random()  0 length = math.sqrt(x*x + y*y + z*z) x = x / length * RADIUS y = y / length * RADIUS z = z / length * RADIUS So that I could make either, Horizontal or vertical motion (with all the dots moving within the circle). Has anybody any suggestions regarding this? Thank you so much!!! Annie x 
#2




I don't understand, do you want to animate each dot individually or the group of dots as a whole?

#3




I was hoping that all the dots could move as a whole, but so that the patch within the circle would stay in the same place  i.e. if a dot was to go outside of the patch then it would need to be removed and replaced with a new dot within the patch. A similar paradigm is a motion coherence task, where the coherence is set to 100%.
Thanks, I hope that makes sense, if it doesn't please let me know. Thanks x 
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