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 <span id="projectnumber">7.0.1</span>
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<a href="#pub-methods">Instance Methods</a> |
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<div class="title">ChipmunkPolyline Class Reference</div> </div>
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<p>Wrapper for the <a class="el" href="structcp_polyline.html">cpPolyline</a> type.
<a href="interface_chipmunk_polyline.html#details">More...</a></p>
<p><code>#import <<a class="el" href="_chipmunk_auto_geometry_8h_source.html">ChipmunkAutoGeometry.h</a>></code></p>
<p>Inherits NSObject.</p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Instance Methods</h2></td></tr>
<tr class="memitem:a97675bf232c540d251d233fad182502f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a97675bf232c540d251d233fad182502f"></a>
(<a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a>) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#a97675bf232c540d251d233fad182502f">momentForMass:offset:</a></td></tr>
<tr class="memdesc:a97675bf232c540d251d233fad182502f"><td class="mdescLeft"> </td><td class="mdescRight">Calculates the moment of inertia for a closed polyline with the given mass and offset. <br/></td></tr>
<tr class="separator:a97675bf232c540d251d233fad182502f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a27fa43c27485148244b32656f7ace0da"><td class="memItemLeft" align="right" valign="top">(<a class="el" href="interface_chipmunk_polyline.html">ChipmunkPolyline</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#a27fa43c27485148244b32656f7ace0da">simplifyCurves:</a></td></tr>
<tr class="memdesc:a27fa43c27485148244b32656f7ace0da"><td class="mdescLeft"> </td><td class="mdescRight">Returns a copy of a polyline simplified by using the Douglas-Peucker algorithm. <a href="#a27fa43c27485148244b32656f7ace0da">More...</a><br/></td></tr>
<tr class="separator:a27fa43c27485148244b32656f7ace0da"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6335738bb6a25749d0eb2045f0b94000"><td class="memItemLeft" align="right" valign="top">(<a class="el" href="interface_chipmunk_polyline.html">ChipmunkPolyline</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#a6335738bb6a25749d0eb2045f0b94000">simplifyVertexes:</a></td></tr>
<tr class="memdesc:a6335738bb6a25749d0eb2045f0b94000"><td class="mdescLeft"> </td><td class="mdescRight">Returns a copy of a polyline simplified by discarding "flat" vertexes. <a href="#a6335738bb6a25749d0eb2045f0b94000">More...</a><br/></td></tr>
<tr class="separator:a6335738bb6a25749d0eb2045f0b94000"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acf4870c11c2c3f7a767647aaddd66a4d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acf4870c11c2c3f7a767647aaddd66a4d"></a>
(<a class="el" href="interface_chipmunk_polyline.html">ChipmunkPolyline</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#acf4870c11c2c3f7a767647aaddd66a4d">toConvexHull</a></td></tr>
<tr class="memdesc:acf4870c11c2c3f7a767647aaddd66a4d"><td class="mdescLeft"> </td><td class="mdescRight">Generate a convex hull that contains a polyline. (closed or not) <br/></td></tr>
<tr class="separator:acf4870c11c2c3f7a767647aaddd66a4d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0843e4868161dd65b7ae0943d9013fa2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0843e4868161dd65b7ae0943d9013fa2"></a>
(<a class="el" href="interface_chipmunk_polyline.html">ChipmunkPolyline</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#a0843e4868161dd65b7ae0943d9013fa2">toConvexHull:</a></td></tr>
<tr class="memdesc:a0843e4868161dd65b7ae0943d9013fa2"><td class="mdescLeft"> </td><td class="mdescRight">Generate an approximate convex hull that contains a polyline. (closed or not) <br/></td></tr>
<tr class="separator:a0843e4868161dd65b7ae0943d9013fa2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a462aa25a567149784a83ae333c748264"><td class="memItemLeft" align="right" valign="top">(<a class="el" href="interface_chipmunk_polyline_set.html">ChipmunkPolylineSet</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#a462aa25a567149784a83ae333c748264">toConvexHulls_BETA:</a></td></tr>
<tr class="memdesc:a462aa25a567149784a83ae333c748264"><td class="mdescLeft"> </td><td class="mdescRight">Generate a set of convex hulls for a polyline. <a href="#a462aa25a567149784a83ae333c748264">More...</a><br/></td></tr>
<tr class="separator:a462aa25a567149784a83ae333c748264"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a20e5b7eaeed6e4276c62524812bd3779"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a20e5b7eaeed6e4276c62524812bd3779"></a>
(NSArray *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#a20e5b7eaeed6e4276c62524812bd3779">asChipmunkSegmentsWithBody:radius:offset:</a></td></tr>
<tr class="memdesc:a20e5b7eaeed6e4276c62524812bd3779"><td class="mdescLeft"> </td><td class="mdescRight">Create an array of segments for each segment in this polyline. <br/></td></tr>
<tr class="separator:a20e5b7eaeed6e4276c62524812bd3779"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aef8225e947d0a9e1aa899697414a19b0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aef8225e947d0a9e1aa899697414a19b0"></a>
(<a class="el" href="interface_chipmunk_poly_shape.html">ChipmunkPolyShape</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_polyline.html#aef8225e947d0a9e1aa899697414a19b0">asChipmunkPolyShapeWithBody:transform:radius:</a></td></tr>
<tr class="memdesc:aef8225e947d0a9e1aa899697414a19b0"><td class="mdescLeft"> </td><td class="mdescRight">Create a <a class="el" href="interface_chipmunk_poly_shape.html" title="A convex polygon shape.">ChipmunkPolyShape</a> from this polyline. (Must be convex!) <br/></td></tr>
<tr class="separator:aef8225e947d0a9e1aa899697414a19b0"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="properties"></a>
Properties</h2></td></tr>
<tr class="memitem:aa554c304a9c991350ac69c1ae4ce1adb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa554c304a9c991350ac69c1ae4ce1adb"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_polyline.html#aa554c304a9c991350ac69c1ae4ce1adb">isClosed</a></td></tr>
<tr class="memdesc:aa554c304a9c991350ac69c1ae4ce1adb"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the first and last vertex are equal. <br/></td></tr>
<tr class="separator:aa554c304a9c991350ac69c1ae4ce1adb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abbeca580aacfe364af85f79ab8c75a32"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_polyline.html#abbeca580aacfe364af85f79ab8c75a32">area</a></td></tr>
<tr class="memdesc:abbeca580aacfe364af85f79ab8c75a32"><td class="mdescLeft"> </td><td class="mdescRight">Returns the signed area of the polyline calculated by cpAreaForPoly. <a href="#abbeca580aacfe364af85f79ab8c75a32">More...</a><br/></td></tr>
<tr class="separator:abbeca580aacfe364af85f79ab8c75a32"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3e338f6cf38ac2b3ddc39aa944884e09"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_polyline.html#a3e338f6cf38ac2b3ddc39aa944884e09">centroid</a></td></tr>
<tr class="memdesc:a3e338f6cf38ac2b3ddc39aa944884e09"><td class="mdescLeft"> </td><td class="mdescRight">Centroid of the polyline calculated by cpCentroidForPoly. <a href="#a3e338f6cf38ac2b3ddc39aa944884e09">More...</a><br/></td></tr>
<tr class="separator:a3e338f6cf38ac2b3ddc39aa944884e09"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeddbfd65100e7c244c1a07feb08444c3"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeddbfd65100e7c244c1a07feb08444c3"></a>
NSUInteger </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_polyline.html#aeddbfd65100e7c244c1a07feb08444c3">count</a></td></tr>
<tr class="memdesc:aeddbfd65100e7c244c1a07feb08444c3"><td class="mdescLeft"> </td><td class="mdescRight">Vertex count. <br/></td></tr>
<tr class="separator:aeddbfd65100e7c244c1a07feb08444c3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8ecf534853d616d2f2e21c39514bddeb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8ecf534853d616d2f2e21c39514bddeb"></a>
const <a class="el" href="structcp_vect.html">cpVect</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_polyline.html#a8ecf534853d616d2f2e21c39514bddeb">verts</a></td></tr>
<tr class="memdesc:a8ecf534853d616d2f2e21c39514bddeb"><td class="mdescLeft"> </td><td class="mdescRight">Array of vertexes. <br/></td></tr>
<tr class="separator:a8ecf534853d616d2f2e21c39514bddeb"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Wrapper for the <a class="el" href="structcp_polyline.html">cpPolyline</a> type. </p>
</div><h2 class="groupheader">Method Documentation</h2>
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<td class="memname">- (<a class="el" href="interface_chipmunk_polyline.html">ChipmunkPolyline</a> *) simplifyCurves: </td>
<td></td>
<td class="paramtype">(<a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a>) </td>
<td class="paramname"><em>tolerance</em></td>
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<p>Returns a copy of a polyline simplified by using the Douglas-Peucker algorithm. </p>
<p>This works very well on smooth or gently curved shapes, but not well on straight edged or angular shapes. </p>
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<td class="memname">- (<a class="el" href="interface_chipmunk_polyline.html">ChipmunkPolyline</a> *) simplifyVertexes: </td>
<td></td>
<td class="paramtype">(<a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a>) </td>
<td class="paramname"><em>tolerance</em></td>
<td></td>
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<p>Returns a copy of a polyline simplified by discarding "flat" vertexes. </p>
<p>This works well on straigt edged or angular shapes, not as well on smooth shapes. </p>
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<td class="memname">- (<a class="el" href="interface_chipmunk_polyline_set.html">ChipmunkPolylineSet</a> *) toConvexHulls_BETA: </td>
<td></td>
<td class="paramtype">(<a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a>) </td>
<td class="paramname"><em>tolerance</em></td>
<td></td>
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<p>Generate a set of convex hulls for a polyline. </p>
<p>See the note on cpPolylineConvexDecomposition_BETA() for more information. </p>
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<h2 class="groupheader">Property Documentation</h2>
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<td class="memname">- (<a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a>) area</td>
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<span class="mlabels"><span class="mlabel">read</span><span class="mlabel">nonatomic</span><span class="mlabel">assign</span></span> </td>
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<p>Returns the signed area of the polyline calculated by cpAreaForPoly. </p>
<p>Non-closed polylines return an area of 0. </p>
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<td class="memname">- (<a class="el" href="structcp_vect.html">cpVect</a>) centroid</td>
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<span class="mlabels"><span class="mlabel">read</span><span class="mlabel">nonatomic</span><span class="mlabel">assign</span></span> </td>
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<p>Centroid of the polyline calculated by cpCentroidForPoly. </p>
<p>It is an error to call this on a non-closed polyline. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="_chipmunk_auto_geometry_8h_source.html">ChipmunkAutoGeometry.h</a></li>
</ul>
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