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98 lines
2.3 KiB
98 lines
2.3 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="utf-8" />
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<base href="../../../../" />
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<script src="page.js"></script>
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<link type="text/css" rel="stylesheet" href="page.css" />
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</head>
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<body>
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<h1>[name]</h1>
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<p class="desc">
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Represents a section bounded by a specific amount of half-edges. The current implmentation assumes that a face always consist of three edges.
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</p>
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<h2>Constructor</h2>
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<h3>[name]()</h3>
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<p>
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Creates a new instance of [name].
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</p>
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<h2>Properties</h2>
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<h3>[property:Vector3 normal]</h3>
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<p>
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The normal vector of the face. Default is a [page:Vector3] at (0, 0, 0).
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</p>
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<h3>[property:Vector3 midpoint]</h3>
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<p>
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The midpoint or centroid of the face. Default is a [page:Vector3] at (0, 0, 0).
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</p>
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<h3>[property:Float area]</h3>
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<p>
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The area of the face. Default is 0.
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</p>
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<h3>[property:Float constant]</h3>
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<p>
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Signed distance from face to the origin. Default is 0.
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</p>
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<h3>[property:VertexNode outside]</h3>
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<p>
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Reference to a vertex in a vertex list this face can see. Default is null.
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</p>
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<h3>[property:Integer mark]</h3>
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<p>
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Marks if a face is visible or deleted. Default is 'Visible'.
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</p>
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<h3>[property:HalfEdge edge]</h3>
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<p>
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Reference to the base edge of a face. To retrieve all edges, you can use the 'next' reference of the current edge. Default is null.
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</p>
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<h2>Methods</h2>
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<h3>[method:Face create]( [param:VertexNode a], [param:VertexNode b], [param:VertexNode c] )</h3>
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<p>
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[page:VertexNode a] - First vertex of the face.<br />
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[page:VertexNode b] - Second vertex of the face.<br />
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[page:VertexNode c] - Third vertex of the face.<br /><br />
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Creates a face.
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</p>
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<h3>[method:HalfEdge getEdge]( [param:Integer i] )</h3>
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<p>
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[page:Integer i] - The index of the edge.<br /><br />
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Returns an edge by the given index.
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</p>
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<h3>[method:this compute] ()</h3>
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<p>Computes all properties of the face.</p>
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<h3>[method:Float distanceToPoint]( [param:Vector3 point] )</h3>
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<p>
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[page:Vector3 point] - Any point in 3D space.<br /><br />
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Returns the signed distance from a given point to the plane representation of this face.
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</p>
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<h2>Source</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/math/ConvexHull.js examples/jsm/math/ConvexHull.js]
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</p>
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</body>
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</html>
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