Bouncing Smiley Face

Exaggerated and somewhat cartoonish simulation of the physics of a bouncing smiley face.

現在この提出コンテンツをフォロー中です。

The laws for rotation are probably wrong (I made them up actually), but that's not what this file is about. Shown here is a very simple code that creates a nice animation, which can be quickly edited to suit anyone's needs.

The parameters are ball radius, gravity, initial velocity in the Y direction, initial velocity in the X direction, vertical speed conservation (%), horizontal speed conservation (%) and initial angular velocity.

Please note that the ball may stop moving at different locations for different trials, even with the same input parameters. This is due to the slight randomization of the deformations of the ball and the ground, which could lead to the ball getting "stuck" to the ground at times and stopping there. This is normal and deliberate.

Set the vertical speed conservation as a value larger than 100 (e.g. 130) for a small bonus ;)

引用

Husam Aldahiyat (2026). Bouncing Smiley Face (https://jp.mathworks.com/matlabcentral/fileexchange/23081-bouncing-smiley-face), MATLAB Central File Exchange. に取得済み.

謝辞

ヒントを得たファイル: Bouncing Ball Physics

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バージョン 公開済み リリース ノート Action
1.2.0.0

Code now works on systems without the Image Processing Toolbox.

1.1.0.0

Fixed eccentricity error, horizontal conservation error.

1.0.0.0