https://www.jpct.net/wiki/index.php?title=Picking&feed=atom&action=history
Picking - Revision history
2024-03-28T10:12:08Z
Revision history for this page on the wiki
MediaWiki 1.23.15
https://www.jpct.net/wiki/index.php?title=Picking&diff=716&oldid=prev
Admin: /* The recommended way */
2016-09-28T14:40:53Z
<p><span dir="auto"><span class="autocomment">The recommended way</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 14:40, 28 September 2016</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></pre></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></pre></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">Like above, you </del>need your 2D picking coordinates. With them, you need a direction vector in world space. This is simple:</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">You </ins>need your 2D picking coordinates. With them, you need a direction vector in world space. This is simple:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
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Admin
https://www.jpct.net/wiki/index.php?title=Picking&diff=715&oldid=prev
Admin: /* The recommended way */
2016-09-28T14:40:38Z
<p><span dir="auto"><span class="autocomment">The recommended way</span></span></p>
<table class='diff diff-contentalign-left'>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 14:40, 28 September 2016</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 6:</td>
<td colspan="2" class="diff-lineno">Line 6:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==== The recommended way ====</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==== The recommended way ====</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This works with all renderers and all objects, but depending on the scene it might by a bit slower. It's the only one that is available in jPCT-AE. Unlike the <del class="diffchange diffchange-inline">former </del>approach, this is actually a kind of collision detection, which is why it triggers collision events too. Just like <del class="diffchange diffchange-inline">above</del>, you have to make your objects pickable. However, because it's a collision detection, this works different. Instead of using setSelectable(...), you have to use setCollisionMode(...). For example:</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This works with all renderers and all objects, but depending on the scene it might by a bit slower. It's the only one that is available in jPCT-AE. Unlike the <ins class="diffchange diffchange-inline">latter </ins>approach, this is actually a kind of collision detection, which is why it triggers collision events too. Just like <ins class="diffchange diffchange-inline">with the approach below</ins>, you have to make your objects pickable. However, because it's a collision detection, this works different. Instead of using setSelectable(...), you have to use setCollisionMode(...). For example:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
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<td colspan="2" class="diff-lineno">Line 25:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>The result is an Object[]-array with the Float-distance to the picked object in the first slot and the picked Object3D in the second. If nothing has been hit, the result will be [COLLISION_NONE, null].</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>The result is an Object[]-array with the Float-distance to the picked object in the first slot and the picked Object3D in the second. If nothing has been hit, the result will be [COLLISION_NONE, null].</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==== An example ====</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==== An example ====</div></td></tr>
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Admin
Unexpected non-MediaWiki exception encountered, of type "Error"
[0733ba00] /wiki/index.php?title=Picking&feed=atom&action=history Exception from line 436 of /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php: Call to undefined function each()
Backtrace:
#0 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(546): DiffEngine->diag(integer, integer, integer, integer, integer)
#1 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(347): DiffEngine->compareSeq(integer, integer, integer, integer)
#2 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(228): DiffEngine->diffLocal(array, array)
#3 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DairikiDiff.php(725): DiffEngine->diff(array, array)
#4 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(937): Diff->__construct(array, array)
#5 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(844): DifferenceEngine->textDiff(string, string)
#6 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(860): DifferenceEngine->{closure}()
#7 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(813): DifferenceEngine->generateTextDiffBody(string, string)
#8 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(743): DifferenceEngine->generateContentDiffBody(WikitextContent, WikitextContent)
#9 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/diff/DifferenceEngine.php(665): DifferenceEngine->getDiffBody()
#10 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/FeedUtils.php(156): DifferenceEngine->getDiff(string, string)
#11 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/actions/HistoryAction.php(317): FeedUtils::formatDiffRow(Title, integer, integer, string, string)
#12 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/actions/HistoryAction.php(282): HistoryAction->feedItem(stdClass)
#13 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/actions/HistoryAction.php(126): HistoryAction->feed(string)
#14 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/actions/FormlessAction.php(67): HistoryAction->onView()
#15 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(487): FormlessAction->show()
#16 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(285): MediaWiki->performAction(Article, Title)
#17 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(647): MediaWiki->performRequest()
#18 /zstore/backups/cn10/home/ws10522/public_html/wiki/includes/Wiki.php(506): MediaWiki->main()
#19 /zstore/backups/cn10/home/ws10522/public_html/wiki/index.php(48): MediaWiki->run()
#20 {main}