forked from: forked from: forked from: 重力＋パーティクル 円盤状

/**
 * Copyright hacker_zfj219fz ( http://wonderfl.net/user/hacker_zfj219fz )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/g1Dn
 */

// forked from hacker_zfj219fz's forked from: forked from: 重力＋パーティクル 円盤状
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