How to alter Comet Speed

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Jonathan Bird
Jonathan Bird 2020-2-6
回答： James 2025-2-18
I'm trying to use the comet function as a 2D animation but there does not seem to be an easy way to alter the speed at which it traces, any suggestions?

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回答（2 个）

Jim Riggs
Jim Riggs 2020-2-6
I don't see a way to control the speed of the comet function. There is a discussion of controlling the speed of an animated line here.
James
James 2025-2-18
You can alter the comet speed by changing the increment length.
For example, if
t=linspace(0,2*pi,4000);
x=cos(5*t);
y=sin(7*t);
comet(x,y)
then to slow down the tracing speed you can increase the number of intervals, e.g., from 4000 to 40 000:
t=linspace(0,2*pi,40000);
However, it appears that comet speed and increment length are not always proportional. Compare
t=linspace(0,2*pi,1000);
with the first example.
So depending on your desired result, this may work for you.

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