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78 lines
2.3 KiB
HTML
78 lines
2.3 KiB
HTML
2 months ago
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<!DOCTYPE html>
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<html lang="en">
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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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[page:Object3D] → [page:Line] → [page:LineSegments] →
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<h1>[name]</h1>
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<p class="desc">
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The PolarGridHelper is an object to define polar grids. Grids are
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two-dimensional arrays of lines.
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</p>
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<h2>Code Example</h2>
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<code>
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const radius = 10;
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const sectors = 16;
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const rings = 8;
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const divisions = 64;
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const helper = new THREE.PolarGridHelper( radius, sectors, rings, divisions );
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scene.add( helper );
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</code>
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<h2>Examples</h2>
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<p>[example:webgl_helpers WebGL / helpers]</p>
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<h2>Constructor</h2>
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<h3>
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[name]( [param:Number radius], [param:Number sectors], [param:Number rings], [param:Number divisions], [param:Color color1], [param:Color color2] )
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</h3>
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<p>
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radius -- The radius of the polar grid. This can be any positive number.
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Default is `10`.<br />
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sectors -- The number of sectors the grid will be divided into. This can
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be any positive integer. Default is `16`.<br />
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rings -- The number of rings. This can be any positive integer. Default is
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8.<br />
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divisions -- The number of line segments used for each circle. This can be
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any positive integer that is 3 or greater. Default is `64`.<br />
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color1 -- The first color used for grid elements. This can be a
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[page:Color], a hexadecimal value and an CSS-Color name. Default is
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0x444444 <br />
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color2 -- The second color used for grid elements. This can be a
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[page:Color], a hexadecimal value and an CSS-Color name. Default is
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0x888888
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</p>
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<p>
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Creates a new [name] of radius 'radius' with 'sectors' number of sectors
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and 'rings' number of rings, where each circle is smoothed into
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'divisions' number of line segments. Colors are optional.
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</p>
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<h2>Methods</h2>
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<p>See the base [page:LineSegments] class for common methods.</p>
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<h3>[method:undefined dispose]()</h3>
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<p>
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Frees the GPU-related resources allocated by this instance. Call this
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method whenever this instance is no longer used in your app.
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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/src/[path].js src/[path].js]
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</p>
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</body>
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</html>
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