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Changes for page Ball Physics

Last modified by Soeren Domroes on 2025/01/30 12:18
From version 8.1
edited by stu104225
on 2020/03/07 11:40
Change comment: There is no comment for this version
To version 5.1
edited by stu104225
on 2020/03/04 17:18
Change comment: There is no comment for this version

Summary

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Content
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1 -The **ball physics model**'s main objective is to provide a point in time to the controller, when the ball is predicted to be hittable, in order to not let the ball fall into the drain.
1 +The **ball physics model** is meant to do things ... [TODO]
2 2  
3 3  \\
4 4  
5 -\\
6 6  
7 7  
8 -
9 9  {{toc/}}
10 10  
11 11  == Ball trajectory ==
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12 12  
13 13  ----
14 14  
15 -The trajectory of a ball can be modeled to be parabolic. From two point //p// and //p_old// with corresponding timestamps, the velocity //v// is computed.
16 -For a
17 -\\
13 +The trajectory of a ball can be modeled to be parabolic.
14 +\\\\\\like so: .... [TODO]
18 18  
19 -\\
20 -
21 -[[image:attach:Bildschirmfoto von 2020-03-07 12-21-22.png]]
22 -\\\\like so: .... [TODO]
23 -
24 24  == Configuration ==
25 25  
26 26  ----
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27 27  
28 28  === Prediction parameters ===
29 29  
30 -(% class="wrapped" %)
31 31  |=(((
32 32  Parameter
33 33  )))|=(((
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60 60  10
61 61  )))
62 62  
63 -When setting the PREDICTION_FRAME keep in mind, that predictions, that reach multiple frames into the future, are likely to be overwritten, when new frames arrive and new predictions are calculated.
64 -Nevertheless it is reasonable to calculate predictions beyond the next frame in case a ball is not recognized on the next frame.
54 +with the default values up to 7 predictions are calculated if the ball is not predicted to be in flipper range roughly within the next two frames.
65 65  
66 -With the default values up to 7 predictions are calculated if the ball is not predicted to be in flipper range roughly within the next two frames.
56 +\\
67 67  
68 -The REFINEMENT_FACTOR is also the worst case number of predictions calculated during the reverse search part of the prediction process.
58 +So this number is also the worst case number of predictions calculated during the reverse search part of the prediction process.
69 69  
70 70  \\
71 71  
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126 126  A ball is considered to be in an inlane, when it is in a rectangualar area, with one edge given by the begin of the flipper
127 127  and the other by a point at highest, outermost position of the angled part of the inlane.
128 128  
129 -In this area the vertical accelleration is deactivated in the prediction, since it would cause the prediction to assume the would slide into the wall.
130 -Though in reality the still is some accelleration, a simple linear prediction has shown to be practical in this less critical area.
131 -
132 132  [[image:attach:physics_inlane.png]]
Confluence.Code.ConfluencePageClass[0]
Id
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1 -71401659
1 +71401643
URL
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1 -https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/PP18/pages/71401659/Ball Physics
1 +https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/PP18/pages/71401643/Ball Physics