I am trying to do something like blow. Can someone give me tips how I could go about this? Thanks.
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Great thanks, bonus question, how could I change color of quiver based on its Y value?
@LakeWorthB
A quiver (arrow) is characterized by its position, (x,y), and direction, (u,v). My guess is that you intend to change the arrow color according to the angle of the vector (u,v) with a fixed direction (either the horizontal one, (1,0), or the vertical one, (0,1).
To illustrate how you can do this, please provide data.