pascalabcnet/PABCNetHelp/PABCUnits/Graph3D/Files/Graph3D functions for nearest points and objects.html

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<HTML><HEAD><object type="application/x-oleobject" classid="clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e">
<param name="Keyword" value="FindNearestObject">
<param name="Keyword" value="FindNearestObjectPoint">
<param name="Keyword" value="NearestPointOnLine">
<param name="Keyword" value="PointOnPlane"></object>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251"><link rel="StyleSheet" href="../../../default.css">
</HEAD><body><H1>Graph3D: ôóíêöèè äëÿ îïðåäåëåíèÿ áëèæàéøèõ òî÷åê è îáúåêòîâ</H1>
<table border=0 cellpadding=5><tr><td><code><b>function</b> FindNearestObject(x, y: real): Object3D;</code>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Âîçâðàùàåò áëèæàéøèé 3D-îáúåêò, êîòîðûé ïåðåñåêàåò ëó÷, âûïóùåííûé èç êàìåðû è ïðîõîäÿùèé ÷åðåç òî÷êó (x,y) ýêðàíà</td></tr>
<tr><td><code><b>function</b> FindNearestObjectPoint(x, y: real): Point3D;</code>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Âîçâðàùàåò òî÷êó íà áëèæàéøåì 3D-îáúåêòå, êîòîðûé ïåðåñåêàåò ëó÷, âûïóùåííûé èç êàìåðû è ïðîõîäÿùèé ÷åðåç òî÷êó (x,y) ýêðàíà. Åñëè ïåðåñå÷åíèÿ íåò, âîçâðàùàåòñÿ òî÷êà BadPoint</td></tr>
<tr><td><code><b>function</b> NearestPointOnLine(Line: Ray3D; x, y: real): Point3D;</code>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Âîçâðàùàåò áëèæàéøóþ òî÷êó íà ëèíèè Line ñ ëó÷îì, âûïóùåííûì èç êàìåðû è ïðîõîäÿùåì ÷åðåç òî÷êó (x,y) ýêðàíà</td></tr>
<tr><td><code><b>function</b> PointOnPlane(Plane: Plane3D; x, y: real): Point3D;</code>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Âîçâðàùàåò òî÷êó íà ïëîñêîñòè Plane, êîòîðóþ ïåðåñåêàåò íåâèçóàëüíûé ëó÷, âûïóùåííûé èç êàìåðû è ïðîõîäÿùèé ÷åðåç òî÷êó (x,y) ýêðàíà</td></tr>
</table>
</body></HTML>