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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
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<item>
            <title>[MC-32] Minecart going in a circle will make any minecart close to them go super fast.</title>
                <link>https://bugs.mojang.com/browse/MC-32</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;This bug has bin in the game for a long time. The problem is that when you place rails in a circle (2x2) and place 3-4 minecarts, and spinn them in the direction you want, the minecart on the railine next to the cirkle will go super fast, an the momentum is forever.&lt;/p&gt;</description>
                <environment>Minecarts</environment>
        <key id="11270">MC-32</key>
            <summary>Minecart going in a circle will make any minecart close to them go super fast.</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="1">Fixed</resolution>
                                        <assignee username="jeb">[Mojang] Jeb (Jens Bergensten)</assignee>
                                    <reporter username="mushyshows">Jonatan Wiull</reporter>
                        <labels>
                    </labels>
                <created>Wed, 24 Oct 2012 16:59:48 +0200</created>
                <updated>Sat, 5 Mar 2016 22:30:46 +0100</updated>
                            <resolved>Thu, 28 Feb 2013 17:41:51 +0100</resolved>
                                    <version>Minecraft 1.4.1</version>
                    <version>Minecraft 1.4.4</version>
                    <version>Minecraft 1.4.7</version>
                    <version>Snapshot 13w05b</version>
                                    <fixVersion>Snapshot 13w09c</fixVersion>
                                                        <votes>3</votes>
                                    <watches>4</watches>
                                                                            <comments>
                            <comment id="48354" author="spamgolem" created="Thu, 28 Feb 2013 17:37:41 +0100"  >&lt;p&gt;Based on a crash report provided in this issue, I believe with high certainty that this report may be a duplicate of &lt;a href=&quot;https://bugs.mojang.com/browse/MC-10312&quot; title=&quot;Minecraft crashes when a saddled pig you ride dies or when changing between rideable entities&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-10312&quot;&gt;&lt;del&gt;MC-10312&lt;/del&gt;&lt;/a&gt;. You can view all information known about this specific crash at &lt;a href=&quot;http://dinnerbone.com/mojira/crashes/MCX-344/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;MCX-&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="48245" author="evknucklehead" created="Thu, 28 Feb 2013 06:26:47 +0100"  >&lt;p&gt;Crash while attempting to test the glitch. Based on the crash log, it looks like I somehow ended up riding a minecart that was riding a minecart...&lt;/p&gt;</comment>
                            <comment id="48244" author="evknucklehead" created="Thu, 28 Feb 2013 06:25:44 +0100"  >&lt;p&gt;I can confirm that this is present in 13w09b. It seems to have to do with multiple collisions between the individual entities all adding momentum to each other and transferring that momentum to passing carts. &lt;/p&gt;

&lt;p&gt;On a side note, while attempting to test this I encountered a couple of other bugs:&lt;/p&gt;

&lt;p&gt;1: If you enter one of the carts that is on the circle track and then get off, you can end up being placed 1 block lower than the level of the track.&lt;/p&gt;

&lt;p&gt;2: (possibly related to #1) Entering one of the carts while trying to set up this glitch can cause a crash. (log attached)&lt;/p&gt;

&lt;p&gt;PS: It appears the momentum gained is not infinite, as the cart will eventually slow down again, unless one of the glitch carts follows you. Tested by placing a long line of inactive powered rails after the launch rail; average distance when not being pushed was about 40-50 blocks before the cart stopped, being pushed will keep you going well past any powered rails you may have set up.&lt;/p&gt;</comment>
                            <comment id="25723" author="mortvert" created="Thu, 29 Nov 2012 20:32:12 +0100"  >&lt;p&gt;Can you replicate this issue in latest version of the minecraft? If so, can you please update the ticket?&lt;/p&gt;</comment>
                            <comment id="23012" author="theant" created="Sun, 18 Nov 2012 21:03:04 +0100"  >&lt;p&gt;I thing this bug is awesome. You can send a minecart to max height with no powered rails BUT if the stacked carts fly off their circle they will travel forever in a direction even on no rails. That is kind of buggy and causes problems.&lt;/p&gt;</comment>
                            <comment id="20435" author="tnt" created="Sun, 11 Nov 2012 00:14:10 +0100"  >&lt;p&gt;Is this still a concern on Minecraft 1.4.4 Pre-Release? If so, please update the version affected.&lt;/p&gt;</comment>
                            <comment id="20212" author="zuriki" created="Sat, 10 Nov 2012 06:58:39 +0100"  >&lt;p&gt;It was fixed and then re-introduced later on for some unknown reason.&lt;/p&gt;</comment>
                            <comment id="14667" author="ray73864" created="Sun, 28 Oct 2012 11:42:32 +0100"  >&lt;p&gt;SethBling showed off this trick a long long time ago. It is an old bug that was never fixed.&lt;/p&gt;</comment>
                            <comment id="12637" author="zombygeek" created="Thu, 25 Oct 2012 00:22:09 +0200"  >&lt;p&gt;I can confirm this in creative mode.&lt;/p&gt;

&lt;p&gt;Sometimes the carts in the circle will follow me when I go past it.&lt;br/&gt;
Sometimes after I reach the end of the track I will move across grass for about 20 blocks before finally stopping.&lt;br/&gt;
If I have a circle on both ends of the track, when hitting the second circle of carts, I will immediately be sent the opposite direction.&lt;/p&gt;</comment>
                            <comment id="12108" author="mushyshows" created="Wed, 24 Oct 2012 17:12:24 +0200"  >&lt;p&gt;Thei are not boosters, it is a bug, because the minecart goes forever.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="22604">MC-9128</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="10631" name="2012-10-24_16.57.01.png" size="173714" author="mushyshows" created="Wed, 24 Oct 2012 16:59:50 +0200"/>
                            <attachment id="22723" name="crash-2013-02-27_21.15.40-client.txt" size="4099" author="evknucklehead" created="Thu, 28 Feb 2013 06:26:47 +0100"/>
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