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Pendulum Top View

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Author: s_noonan

Group: Technical

Filesize: 6.01 kB

Date added: 2022-03-19

Rating: 5

Downloads: 653

Views: 230

Comments: 2

Ratings: 1

Times favored: 0

Made with: Algodoo v2.1.0

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Push sideways to see circular effect.

The motion is accurate based on the _weight and _stringLength of the blue ball upon loading the scene. This can be verified by measuring the period of oscillation. The equation for period of oscillation is T = 2.0 * math.pi * (L/g)^0.5.
Last edited at 2022/05/28 14:23:01 by s_noonan
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ezpz(fib)5
2022/03/20 03:50:06
the motion looks really realistic, could you make it grow and shrink?
s_noonan
2022/03/20 09:53:07
Q: Could you make it grow and shrink?
A: Yes, but if I did, I would like to do it accurately. If the user's eye was at the pendulum attachment point when the camera zoom is 1.0, then the growth at the end of the swing compared to the center of swing would only be 5%. I would also need to reverse the growth calculation, based on ball position and zoom, at loading or startup, in order to determine the weight of the ball. That's a fair amount of effort for a small effect. I could hard code the weight of the ball, but that would eliminate any effect of density change.
Last edited at 2022/03/20 09:56:39 by s_noonan