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<div class="title">cpVect</div> </div>
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<p>Chipmunk's 2D vector type along with a handy 2D vector math lib.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga80c0be464748ff46ad20b58e22ea7d81"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga80c0be464748ff46ad20b58e22ea7d81"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga80c0be464748ff46ad20b58e22ea7d81">cpv</a> (const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> x, const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> y)</td></tr>
<tr class="memdesc:ga80c0be464748ff46ad20b58e22ea7d81"><td class="mdescLeft"> </td><td class="mdescRight">Convenience constructor for <a class="el" href="structcp_vect.html">cpVect</a> structs. <br/></td></tr>
<tr class="separator:ga80c0be464748ff46ad20b58e22ea7d81"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae5081f933bcc2c64c76d7e7caaf2d631"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae5081f933bcc2c64c76d7e7caaf2d631"></a>
static <a class="el" href="group__basic_types.html#gabc5e752c48f3449ca26ef413ecbd647e">cpBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gae5081f933bcc2c64c76d7e7caaf2d631">cpveql</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:gae5081f933bcc2c64c76d7e7caaf2d631"><td class="mdescLeft"> </td><td class="mdescRight">Check if two vectors are equal. (Be careful when comparing floating point numbers!) <br/></td></tr>
<tr class="separator:gae5081f933bcc2c64c76d7e7caaf2d631"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga167e0bde13a745299bd5d4164d7c796b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga167e0bde13a745299bd5d4164d7c796b"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga167e0bde13a745299bd5d4164d7c796b">cpvadd</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:ga167e0bde13a745299bd5d4164d7c796b"><td class="mdescLeft"> </td><td class="mdescRight">Add two vectors. <br/></td></tr>
<tr class="separator:ga167e0bde13a745299bd5d4164d7c796b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafd88a5bbd4b5de25aa31e44fdf01e259"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gafd88a5bbd4b5de25aa31e44fdf01e259"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gafd88a5bbd4b5de25aa31e44fdf01e259">cpvsub</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:gafd88a5bbd4b5de25aa31e44fdf01e259"><td class="mdescLeft"> </td><td class="mdescRight">Subtract two vectors. <br/></td></tr>
<tr class="separator:gafd88a5bbd4b5de25aa31e44fdf01e259"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab79a1d52de40bf0f7db5134da436426b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gab79a1d52de40bf0f7db5134da436426b"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gab79a1d52de40bf0f7db5134da436426b">cpvneg</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v)</td></tr>
<tr class="memdesc:gab79a1d52de40bf0f7db5134da436426b"><td class="mdescLeft"> </td><td class="mdescRight">Negate a vector. <br/></td></tr>
<tr class="separator:gab79a1d52de40bf0f7db5134da436426b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga717188d925550baf62188b5e1e602047"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga717188d925550baf62188b5e1e602047"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga717188d925550baf62188b5e1e602047">cpvmult</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v, const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> s)</td></tr>
<tr class="memdesc:ga717188d925550baf62188b5e1e602047"><td class="mdescLeft"> </td><td class="mdescRight">Scalar multiplication. <br/></td></tr>
<tr class="separator:ga717188d925550baf62188b5e1e602047"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3e76653b018d47f864c339092cf482f1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga3e76653b018d47f864c339092cf482f1"></a>
static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga3e76653b018d47f864c339092cf482f1">cpvdot</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:ga3e76653b018d47f864c339092cf482f1"><td class="mdescLeft"> </td><td class="mdescRight">Vector dot product. <br/></td></tr>
<tr class="separator:ga3e76653b018d47f864c339092cf482f1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaf9618b7690ad0c67dbe143c640590f7b"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gaf9618b7690ad0c67dbe143c640590f7b">cpvcross</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:gaf9618b7690ad0c67dbe143c640590f7b"><td class="mdescLeft"> </td><td class="mdescRight">2D vector cross product analog. <a href="#gaf9618b7690ad0c67dbe143c640590f7b">More...</a><br/></td></tr>
<tr class="separator:gaf9618b7690ad0c67dbe143c640590f7b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac4a0ba2873900342126c0449918764bc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac4a0ba2873900342126c0449918764bc"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gac4a0ba2873900342126c0449918764bc">cpvperp</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v)</td></tr>
<tr class="memdesc:gac4a0ba2873900342126c0449918764bc"><td class="mdescLeft"> </td><td class="mdescRight">Returns a perpendicular vector. (90 degree rotation) <br/></td></tr>
<tr class="separator:gac4a0ba2873900342126c0449918764bc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0be2829df5c1be940484fb64b7cab61e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga0be2829df5c1be940484fb64b7cab61e"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga0be2829df5c1be940484fb64b7cab61e">cpvrperp</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v)</td></tr>
<tr class="memdesc:ga0be2829df5c1be940484fb64b7cab61e"><td class="mdescLeft"> </td><td class="mdescRight">Returns a perpendicular vector. (-90 degree rotation) <br/></td></tr>
<tr class="separator:ga0be2829df5c1be940484fb64b7cab61e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae9c42ec78caa7971459d10543b1549cd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae9c42ec78caa7971459d10543b1549cd"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gae9c42ec78caa7971459d10543b1549cd">cpvproject</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:gae9c42ec78caa7971459d10543b1549cd"><td class="mdescLeft"> </td><td class="mdescRight">Returns the vector projection of v1 onto v2. <br/></td></tr>
<tr class="separator:gae9c42ec78caa7971459d10543b1549cd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafa534ef07bb623104c576f63cbc6334a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gafa534ef07bb623104c576f63cbc6334a"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gafa534ef07bb623104c576f63cbc6334a">cpvforangle</a> (const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> a)</td></tr>
<tr class="memdesc:gafa534ef07bb623104c576f63cbc6334a"><td class="mdescLeft"> </td><td class="mdescRight">Returns the unit length vector for the given angle (in radians). <br/></td></tr>
<tr class="separator:gafa534ef07bb623104c576f63cbc6334a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga8ee2e1733c8ed09f2230a5788bd284e9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga8ee2e1733c8ed09f2230a5788bd284e9"></a>
static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga8ee2e1733c8ed09f2230a5788bd284e9">cpvtoangle</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v)</td></tr>
<tr class="memdesc:ga8ee2e1733c8ed09f2230a5788bd284e9"><td class="mdescLeft"> </td><td class="mdescRight">Returns the angular direction v is pointing in (in radians). <br/></td></tr>
<tr class="separator:ga8ee2e1733c8ed09f2230a5788bd284e9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac9a0bb9221f9f2068a48985fa70b5226"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac9a0bb9221f9f2068a48985fa70b5226"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gac9a0bb9221f9f2068a48985fa70b5226">cpvrotate</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:gac9a0bb9221f9f2068a48985fa70b5226"><td class="mdescLeft"> </td><td class="mdescRight">Uses complex number multiplication to rotate v1 by v2. Scaling will occur if v1 is not a unit vector. <br/></td></tr>
<tr class="separator:gac9a0bb9221f9f2068a48985fa70b5226"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac2b1120be08ee9225eadede83f5e054b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac2b1120be08ee9225eadede83f5e054b"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gac2b1120be08ee9225eadede83f5e054b">cpvunrotate</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:gac2b1120be08ee9225eadede83f5e054b"><td class="mdescLeft"> </td><td class="mdescRight">Inverse of <a class="el" href="group__cp_vect.html#gac9a0bb9221f9f2068a48985fa70b5226" title="Uses complex number multiplication to rotate v1 by v2. Scaling will occur if v1 is not a unit vector...">cpvrotate()</a>. <br/></td></tr>
<tr class="separator:gac2b1120be08ee9225eadede83f5e054b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gadfad8e091ac399cdc377a9c475f7ef0d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gadfad8e091ac399cdc377a9c475f7ef0d"></a>
static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gadfad8e091ac399cdc377a9c475f7ef0d">cpvlengthsq</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v)</td></tr>
<tr class="memdesc:gadfad8e091ac399cdc377a9c475f7ef0d"><td class="mdescLeft"> </td><td class="mdescRight">Returns the squared length of v. Faster than <a class="el" href="group__cp_vect.html#ga9bfe76d8e3c69edb6af7b0d9a63001f9" title="Returns the length of v.">cpvlength()</a> when you only need to compare lengths. <br/></td></tr>
<tr class="separator:gadfad8e091ac399cdc377a9c475f7ef0d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9bfe76d8e3c69edb6af7b0d9a63001f9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga9bfe76d8e3c69edb6af7b0d9a63001f9"></a>
static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga9bfe76d8e3c69edb6af7b0d9a63001f9">cpvlength</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v)</td></tr>
<tr class="memdesc:ga9bfe76d8e3c69edb6af7b0d9a63001f9"><td class="mdescLeft"> </td><td class="mdescRight">Returns the length of v. <br/></td></tr>
<tr class="separator:ga9bfe76d8e3c69edb6af7b0d9a63001f9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab93f4924f5369c10782de6dba5ef38da"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gab93f4924f5369c10782de6dba5ef38da"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gab93f4924f5369c10782de6dba5ef38da">cpvlerp</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2, const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> t)</td></tr>
<tr class="memdesc:gab93f4924f5369c10782de6dba5ef38da"><td class="mdescLeft"> </td><td class="mdescRight">Linearly interpolate between v1 and v2. <br/></td></tr>
<tr class="separator:gab93f4924f5369c10782de6dba5ef38da"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0fd46c6ef6dcca0dc7b6c6cef8008758"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga0fd46c6ef6dcca0dc7b6c6cef8008758"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga0fd46c6ef6dcca0dc7b6c6cef8008758">cpvnormalize</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v)</td></tr>
<tr class="memdesc:ga0fd46c6ef6dcca0dc7b6c6cef8008758"><td class="mdescLeft"> </td><td class="mdescRight">Returns a normalized copy of v. <br/></td></tr>
<tr class="separator:ga0fd46c6ef6dcca0dc7b6c6cef8008758"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6c7b8f231543383431aeb80e61255e04"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6c7b8f231543383431aeb80e61255e04"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga6c7b8f231543383431aeb80e61255e04">cpvslerp</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2, const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> t)</td></tr>
<tr class="memdesc:ga6c7b8f231543383431aeb80e61255e04"><td class="mdescLeft"> </td><td class="mdescRight">Spherical linearly interpolate between v1 and v2. <br/></td></tr>
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<tr class="memitem:gad81f538a3add6e5e1498645ebecb8ed1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gad81f538a3add6e5e1498645ebecb8ed1"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gad81f538a3add6e5e1498645ebecb8ed1">cpvslerpconst</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2, const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> a)</td></tr>
<tr class="memdesc:gad81f538a3add6e5e1498645ebecb8ed1"><td class="mdescLeft"> </td><td class="mdescRight">Spherical linearly interpolate between v1 towards v2 by no more than angle a radians. <br/></td></tr>
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static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga21bac66ee11661debe4d1ddfb710f5f8">cpvclamp</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v, const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> len)</td></tr>
<tr class="memdesc:ga21bac66ee11661debe4d1ddfb710f5f8"><td class="mdescLeft"> </td><td class="mdescRight">Clamp v to length len. <br/></td></tr>
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<tr class="memitem:gaaf91d2bdafb741a35ab2dc6300d9fa81"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaaf91d2bdafb741a35ab2dc6300d9fa81"></a>
static <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gaaf91d2bdafb741a35ab2dc6300d9fa81">cpvlerpconst</a> (<a class="el" href="structcp_vect.html">cpVect</a> v1, <a class="el" href="structcp_vect.html">cpVect</a> v2, <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> d)</td></tr>
<tr class="memdesc:gaaf91d2bdafb741a35ab2dc6300d9fa81"><td class="mdescLeft"> </td><td class="mdescRight">Linearly interpolate between v1 towards v2 by distance d. <br/></td></tr>
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<tr class="memitem:ga07488fb10c3ffb842b78ae66a2d90c00"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga07488fb10c3ffb842b78ae66a2d90c00"></a>
static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga07488fb10c3ffb842b78ae66a2d90c00">cpvdist</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:ga07488fb10c3ffb842b78ae66a2d90c00"><td class="mdescLeft"> </td><td class="mdescRight">Returns the distance between v1 and v2. <br/></td></tr>
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<tr class="memitem:gadb0ce5353909318beb7ee3163f7c3152"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gadb0ce5353909318beb7ee3163f7c3152"></a>
static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#gadb0ce5353909318beb7ee3163f7c3152">cpvdistsq</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2)</td></tr>
<tr class="memdesc:gadb0ce5353909318beb7ee3163f7c3152"><td class="mdescLeft"> </td><td class="mdescRight">Returns the squared distance between v1 and v2. Faster than <a class="el" href="group__cp_vect.html#ga07488fb10c3ffb842b78ae66a2d90c00" title="Returns the distance between v1 and v2.">cpvdist()</a> when you only need to compare distances. <br/></td></tr>
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static <a class="el" href="group__basic_types.html#gabc5e752c48f3449ca26ef413ecbd647e">cpBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga2ffc18e3b7405c28e92b6aa0f6cad746">cpvnear</a> (const <a class="el" href="structcp_vect.html">cpVect</a> v1, const <a class="el" href="structcp_vect.html">cpVect</a> v2, const <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> dist)</td></tr>
<tr class="memdesc:ga2ffc18e3b7405c28e92b6aa0f6cad746"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the distance between v1 and v2 is less than dist. <br/></td></tr>
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Variables</h2></td></tr>
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static const <a class="el" href="structcp_vect.html">cpVect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cp_vect.html#ga18f97c9678bcb262ce182f336dad2318">cpvzero</a> = {0.0f,0.0f}</td></tr>
<tr class="memdesc:ga18f97c9678bcb262ce182f336dad2318"><td class="mdescLeft"> </td><td class="mdescRight">Constant for the zero vector. <br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Chipmunk's 2D vector type along with a handy 2D vector math lib. </p>
<p>Chipmunk's 2D vector type.</p>
<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">static <a class="el" href="group__basic_types.html#gac1ed65573e035bf892505768c852d8d3">cpFloat</a> cpvcross </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structcp_vect.html">cpVect</a> </td>
<td class="paramname"><em>v1</em>, </td>
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<td class="paramtype">const <a class="el" href="structcp_vect.html">cpVect</a> </td>
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<td>)</td>
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<p>2D vector cross product analog. </p>
<p>The cross product of 2D vectors results in a 3D vector with only a z component. This function returns the magnitude of the z value. </p>
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