javascript
/
three.js
镜像自地址 https://github.com/tazdij/three.js.git


			
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		<h1>[name]</h1>

		<div class="desc">
		A class containing utility functions for shapes.<br />

		Note that these are all linear functions so it is neccessary to calculate seperately for
		x, y (an z, w if present) components of a vector.
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		<h2>Methods</h2>

		<h3>[method:Number area]( contour )</h3>
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		contour -- 2D polygon.<br /><br />

		Calculate area of a ( 2D ) contour polygon.<br /><br />

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		<h3>[method:Number b2]( t, p0, p1, p2 )</h3>
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		t -- number<br />
		p0, p1, p2 -- x, y, z or w components of a quadratic bezier curve.<br /><br />

		Note that this is a linear function so it is neccessary to calculate seperately for
		x, y (and z for 3D curves) components of a curve.<br /><br />

		Used internally by [page:QuadraticBezierCurve QuadraticBezierCurve],
		[page:QuadraticBezierCurve3 QuadraticBezierCurve3] and [page:Font Font].
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		<h3>[method:Number b3]( t, p0, p1, p2, p3 )</h3>
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		t -- number. <br />
		p0, p1, p2, p3 -- x, y or z components of a cubic bezier curve..<br /><br />

		Note that this is a linear function so it is neccessary to calculate seperately for
		x, y (and z for 3D curves) components of a curve.<br /><br />

		Used internally by [page:CubicBezierCurve CubicBezierCurve],
		[page:CubicBezierCurve3 CubicBezierCurve3] and [page:Font Font].
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		<h3>[method:Boolean isClockwise]( pts )</h3>
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		pts -- points defining a 2D polygon<br /><br />

		Note that this is a linear function so it is neccessary to calculate seperately for
		x, y  components of a polygon.<br /><br />

		Used internally by [page:Path Path],
		[page:ExtrudeGeometry ExtrudeGeometry] and [page:ShapeBufferGeometry ShapeBufferGeometry].
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		<h3>[method:null triangulate]( contour, indices )</h3>
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		contour --  2D polygon.<br />
		indices -- <br /><br />

		Used internally by [page:ExtrudeGeometry ExtrudeGeometry]
		and [page:ShapeBufferGeometry ShapeBufferGeometry] to calculate faces.
		</div>

		<h3>[method:null triangulateShape]( contour, holes )</h3>
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		contour -- 2D polygon.<br />
		holes -- array of holes<br /><br />

		Used internally by [page:ExtrudeGeometry ExtrudeGeometry]
		and [page:ShapeBufferGeometry ShapeBufferGeometry] to calculate faces in shapes with holes.
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		<h2>Source</h2>

		[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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