vector3_8cpp-source.html

Tixys source code, include G.711, G.726, IMA-ADPCM etc.

00299         x <<= shift;
00300         y <<= shift;
00301         z <<= shift;
00302         }
00303 
00304     <a class="code" href="classVector3.html#o0">X</a> = x;
00305     <a class="code" href="classVector3.html#o1">Y</a> = y;
00306     <a class="code" href="classVector3.html#o2">Z</a> = z;
00307     }
00308 
00309 
<a name="l00310"></a><a class="code" href="classVector3.html#a19">00310</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <a class="code" href="classVector3.html">Vector3</a> <a class="code" href="classVector3.html#a19">Vector3::UnitVector</a>()<span class="keyword"> const</span>
00311 <span class="keyword">    </span>{
00312     <span class="comment">// normalise component values to 15 bits</span>
00313     <a class="code" href="classVector3.html">Vector3</a> normalised(*<span class="keyword">this</span>);
00314     normalised.<a class="code" href="classVector3.html#d0">NormaliseComponents</a>(14);
00315 
00316     <span class="comment">// calculate length of normalised vector</span>
00317     <a class="code" href="group__fix.html#ga0">fix</a> x = normalised.<a class="code" href="classVector3.html#o0">X</a>;
00318     <a class="code" href="group__fix.html#ga0">fix</a> y = normalised.<a class="code" href="classVector3.html#o1">Y</a>;
00319     <a class="code" href="group__fix.html#ga0">fix</a> z = normalised.<a class="code" href="classVector3.html#o2">Z</a>;
00320     <a class="code" href="group__fix.html#ga1">ufix</a> l = <a class="code" href="classFix.html#e5">Fix::Sqrt</a>(x*x+y*y+z*z);
00321 
00322     <span class="comment">// divide components by length to get the unit vector</span>
00323     x = <a class="code" href="classFix.html#e4">Fix::Div</a>(x&lt;&lt;8,l);
00324     y = <a class="code" href="classFix.html#e4">Fix::Div</a>(y&lt;&lt;8,l);
00325     z = <a class="code" href="classFix.html#e4">Fix::Div</a>(z&lt;&lt;8,l);
00326 
00327     <span class="keywordflow">return</span> <a class="code" href="classVector3.html#a0">Vector3</a>(x,y,z);
00328     }
00329 
00330 
<a name="l00331"></a><a class="code" href="classVector3.html#a20">00331</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <a class="code" href="classVector3.html">Vector3</a> <a class="code" href="classVector3.html#a20">Vector3::Normal</a>(<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; vector)<span class="keyword"> const</span>
00332 <span class="keyword">    </span>{
00333     <span class="comment">// scale both vectors to 15 bits</span>
00334     <a class="code" href="classVector3.html">Vector3</a> a(*<span class="keyword">this</span>);
00335     a.<a class="code" href="classVector3.html#d0">NormaliseComponents</a>(14);
00336     <a class="code" href="classVector3.html">Vector3</a> b(vector);
00337     b.<a class="code" href="classVector3.html#d0">NormaliseComponents</a>(14);
00338 
00339     <span class="comment">// calculate cross product (a vector normal to the two vectors)</span>
00340     a = <a class="code" href="classVector3.html#a0">Vector3</a>(a.<a class="code" href="classVector3.html#o1">Y</a>*b.<a class="code" href="classVector3.html#o2">Z</a> - a.<a class="code" href="classVector3.html#o2">Z</a>*b.<a class="code" href="classVector3.html#o1">Y</a>,
00341                 a.<a class="code" href="classVector3.html#o2">Z</a>*b.<a class="code" href="classVector3.html#o0">X</a> - a.<a class="code" href="classVector3.html#o0">X</a>*b.<a class="code" href="classVector3.html#o2">Z</a>,
00342                 a.<a class="code" href="classVector3.html#o0">X</a>*b.<a class="code" href="classVector3.html#o1">Y</a> - a.<a class="code" href="classVector3.html#o1">Y</a>*b.<a class="code" href="classVector3.html#o0">X</a>);
00343 
00344     <span class="comment">// return the normal as a length 1.0 unit vector</span>
00345     <span class="keywordflow">return</span> a.<a class="code" href="classVector3.html#a19">UnitVector</a>();
00346     }
00347 
00348 
<a name="l00349"></a><a class="code" href="classVector3.html#a21">00349</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <a class="code" href="group__fix.html#ga2">fixangle</a> <a class="code" href="classVector3.html#a21">Vector3::Angle</a>(<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; vector)<span class="keyword"> const</span>
00350 <span class="keyword">    </span>{
00351     <span class="keywordflow">return</span> <a class="code" href="classFix.html#e12">Fix::ACos</a>(<a class="code" href="classVector3.html#a19">UnitVector</a>().<a class="code" href="classVector3.html#a13">DotProduct</a>(vector.UnitVector()));
00352     }
00353 
00354 
<a name="l00355"></a><a class="code" href="classVector3.html#a22">00355</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <a class="code" href="classVector3.html">Vector3</a> <a class="code" href="classVector3.html#a20">Vector3::Normal</a>(<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; point1,<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; point2)<span class="keyword"> const</span>
00356 <span class="keyword">    </span>{
00357     <span class="keywordflow">return</span> (point1-*<span class="keyword">this</span>).<a class="code" href="classVector3.html#a20">Normal</a>(point2-*<span class="keyword">this</span>);
00358     }
00359 
00360 
<a name="l00361"></a><a class="code" href="classVector3.html#a23">00361</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <a class="code" href="group__fix.html#ga2">fixangle</a> <a class="code" href="classVector3.html#a21">Vector3::Angle</a>(<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; point1,<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; point2)<span class="keyword"> const</span>
00362 <span class="keyword">    </span>{
00363     <span class="keywordflow">return</span> (point1-*<span class="keyword">this</span>).<a class="code" href="classVector3.html#a21">Angle</a>(point2-*<span class="keyword">this</span>);
00364     }
00365 
00366 
<a name="l00367"></a><a class="code" href="classVector3.html#e0">00367</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <span class="keywordtype">void</span> <a class="code" href="classVector3.html#e0">Vector3::Translate</a>(<a class="code" href="classVector3.html">Vector3</a>* outVectors,uint vectorCount,<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>* inVectors,<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; offset)
00368     {
00369     <a class="code" href="group__fix.html#ga0">fix</a> x = offset.<a class="code" href="classVector3.html#o0">X</a>;
00370     <a class="code" href="group__fix.html#ga0">fix</a> y = offset.<a class="code" href="classVector3.html#o1">Y</a>;
00371     <a class="code" href="group__fix.html#ga0">fix</a> z = offset.<a class="code" href="classVector3.html#o2">Z</a>;
00372     <a class="code" href="classVector3.html">Vector3</a>* end = outVectors+vectorCount;
00373     <span class="keywordflow">while</span>(outVectors&lt;end)
00374         {
00375         outVectors-&gt;<a class="code" href="classVector3.html#o0">X</a> = inVectors-&gt;<a class="code" href="classVector3.html#o0">X</a>+x;
00376         outVectors-&gt;<a class="code" href="classVector3.html#o1">Y</a> = inVectors-&gt;<a class="code" href="classVector3.html#o1">Y</a>+y;
00377         outVectors-&gt;<a class="code" href="classVector3.html#o2">Z</a> = inVectors-&gt;<a class="code" href="classVector3.html#o2">Z</a>+z;
00378         ++inVectors;
00379         ++outVectors;
00380         }
00381     }
00382 
00383 
<a name="l00384"></a><a class="code" href="classVector3.html#e1">00384</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <span class="keywordtype">void</span> <a class="code" href="classVector3.html#e1">Vector3::Scale</a>(<a class="code" href="classVector3.html">Vector3</a>* outVectors,uint vectorCount,<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>* inVectors,fix scale)
00385     {
00386     <a class="code" href="classVector3.html">Vector3</a>* end = outVectors+vectorCount;
00387     <span class="keywordflow">while</span>(outVectors&lt;end)
00388         {
00389         outVectors-&gt;<a class="code" href="classVector3.html#o0">X</a> = <a class="code" href="classFix.html#e3">Fix::MulNS</a>(inVectors-&gt;X,scale);
00390         outVectors-&gt;<a class="code" href="classVector3.html#o1">Y</a> = <a class="code" href="classFix.html#e3">Fix::MulNS</a>(inVectors-&gt;Y,scale);
00391         outVectors-&gt;<a class="code" href="classVector3.html#o2">Z</a> = <a class="code" href="classFix.html#e3">Fix::MulNS</a>(inVectors-&gt;Z,scale);
00392         ++inVectors;
00393         ++outVectors;
00394         }
00395     }
00396 
00397 
00398 <span class="comment">/*</span>
00399 <span class="comment">Members of class Matrix3</span>
00400 <span class="comment">*/</span>
00401 
00402 
<a name="l00403"></a><a class="code" href="classMatrix3.html#a2">00403</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <a class="code" href="classVector3.html">Vector3</a> <a class="code" href="classMatrix3.html#a2">Matrix3::operator * </a>(<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>&amp; vector)<span class="keyword"> const</span>
00404 <span class="keyword">    </span>{
00405     <a class="code" href="group__fix.html#ga0">fix</a> ax = vector.<a class="code" href="classVector3.html#o0">X</a>;
00406     <a class="code" href="group__fix.html#ga0">fix</a> ay = vector.<a class="code" href="classVector3.html#o1">Y</a>;
00407     <a class="code" href="group__fix.html#ga0">fix</a> az = vector.<a class="code" href="classVector3.html#o2">Z</a>;
00408     
00409     <a class="code" href="group__fix.html#ga0">fix</a> rx = <a class="code" href="classFix.html#e3">Fix::MulNS</a>(ax,<a class="code" href="classMatrix3.html#o0">Row1</a>.<a class="code" href="classVector3.html#o0">X</a>)+<a class="code" href="classFix.html#e3">Fix::MulNS</a>(ay,<a class="code" href="classMatrix3.html#o0">Row1</a>.<a class="code" href="classVector3.html#o1">Y</a>)+<a class="code" href="classFix.html#e3">Fix::MulNS</a>(az,<a class="code" href="classMatrix3.html#o0">Row1</a>.<a class="code" href="classVector3.html#o2">Z</a>);
00410     <a class="code" href="group__fix.html#ga0">fix</a> ry = <a class="code" href="classFix.html#e3">Fix::MulNS</a>(ax,<a class="code" href="classMatrix3.html#o1">Row2</a>.<a class="code" href="classVector3.html#o0">X</a>)+<a class="code" href="classFix.html#e3">Fix::MulNS</a>(ay,<a class="code" href="classMatrix3.html#o1">Row2</a>.<a class="code" href="classVector3.html#o1">Y</a>)+<a class="code" href="classFix.html#e3">Fix::MulNS</a>(az,<a class="code" href="classMatrix3.html#o1">Row2</a>.<a class="code" href="classVector3.html#o2">Z</a>);
00411     <a class="code" href="group__fix.html#ga0">fix</a> rz = <a class="code" href="classFix.html#e3">Fix::MulNS</a>(ax,<a class="code" href="classMatrix3.html#o2">Row3</a>.<a class="code" href="classVector3.html#o0">X</a>)+<a class="code" href="classFix.html#e3">Fix::MulNS</a>(ay,<a class="code" href="classMatrix3.html#o2">Row3</a>.<a class="code" href="classVector3.html#o1">Y</a>)+<a class="code" href="classFix.html#e3">Fix::MulNS</a>(az,<a class="code" href="classMatrix3.html#o2">Row3</a>.<a class="code" href="classVector3.html#o2">Z</a>);
00412     
00413     <span class="keywordflow">return</span> <a class="code" href="classVector3.html">Vector3</a>(rx,ry,rz);
00414     }
00415 
00416 
<a name="l00417"></a><a class="code" href="classMatrix3.html#a3">00417</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <a class="code" href="classMatrix3.html">Matrix3</a> <a class="code" href="classMatrix3.html#a3">Matrix3::Transposition</a>()<span class="keyword"> const</span>
00418 <span class="keyword">    </span>{
00419     <span class="keywordflow">return</span> <a class="code" href="classMatrix3.html#a0">Matrix3</a>(<a class="code" href="classVector3.html">Vector3</a>(<a class="code" href="classMatrix3.html#o0">Row1</a>.<a class="code" href="classVector3.html#o0">X</a>,<a class="code" href="classMatrix3.html#o1">Row2</a>.<a class="code" href="classVector3.html#o0">X</a>,<a class="code" href="classMatrix3.html#o2">Row3</a>.<a class="code" href="classVector3.html#o0">X</a>),
00420                    <a class="code" href="classVector3.html">Vector3</a>(<a class="code" href="classMatrix3.html#o0">Row1</a>.<a class="code" href="classVector3.html#o1">Y</a>,<a class="code" href="classMatrix3.html#o1">Row2</a>.<a class="code" href="classVector3.html#o1">Y</a>,<a class="code" href="classMatrix3.html#o2">Row3</a>.<a class="code" href="classVector3.html#o1">Y</a>),
00421                    <a class="code" href="classVector3.html">Vector3</a>(<a class="code" href="classMatrix3.html#o0">Row1</a>.<a class="code" href="classVector3.html#o2">Z</a>,<a class="code" href="classMatrix3.html#o1">Row2</a>.<a class="code" href="classVector3.html#o2">Z</a>,<a class="code" href="classMatrix3.html#o2">Row3</a>.<a class="code" href="classVector3.html#o2">Z</a>));
00422     }
00423 
00424 
<a name="l00425"></a><a class="code" href="classMatrix3.html#a4">00425</a> <a class="code" href="common_8h.html#a2">EXPORT</a> <span class="keywordtype">void</span> <a class="code" href="classMatrix3.html#a4">Matrix3::Transform</a>(<a class="code" href="classVector3.html">Vector3</a>* outVectors,uint vectorCount,<span class="keyword">const</span> <a class="code" href="classVector3.html">Vector3</a>* inVectors)
00426     {
00427     <a class="code" href="classVector3.html">Vector3</a>* end = outVectors+vectorCount;
00428     <span class="keywordflow">while</span>(outVectors&lt;end)
00429         *outVectors++ = *<span class="keyword">this</span> * *inVectors++;
00430     }
00431 
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