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<div class="title">src/libUnuk/Geometry.h</div> </div>
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<a href="_geometry_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef _GEOMETRY_H_</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define _GEOMETRY_H_</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span><span class="preprocessor">#include <cmath></span>
<a name="l00004"></a>00004
<a name="l00005"></a><a class="code" href="struct_tex_coord.html">00005</a> <span class="keyword">struct </span><a class="code" href="struct_tex_coord.html">TexCoord</a> {
<a name="l00006"></a><a class="code" href="struct_tex_coord.html#a3b6313b351f04fc9308e6489854cff54">00006</a> <span class="keywordtype">float</span> <a class="code" href="struct_tex_coord.html#a3b6756ab69de823fffaf14afcadc794d">s</a>, <a class="code" href="struct_tex_coord.html#a3b6313b351f04fc9308e6489854cff54">t</a>;
<a name="l00007"></a><a class="code" href="struct_tex_coord.html#ac90429c2b313980fbcc5526156552c7d">00007</a> <a class="code" href="struct_tex_coord.html#ac90429c2b313980fbcc5526156552c7d">TexCoord</a>(<span class="keywordtype">void</span>):
<a name="l00008"></a>00008 <a class="code" href="struct_tex_coord.html#a3b6756ab69de823fffaf14afcadc794d">s</a>(0.0f),
<a name="l00009"></a>00009 <a class="code" href="struct_tex_coord.html#a3b6313b351f04fc9308e6489854cff54">t</a>(0.0f) {}
<a name="l00010"></a>00010
<a name="l00011"></a><a class="code" href="struct_tex_coord.html#a9ec23d01aff5a332998331cafe719347">00011</a> <a class="code" href="struct_tex_coord.html#ac90429c2b313980fbcc5526156552c7d">TexCoord</a>(<span class="keywordtype">float</span> <a class="code" href="struct_tex_coord.html#a3b6756ab69de823fffaf14afcadc794d">s</a>, <span class="keywordtype">float</span> <a class="code" href="struct_tex_coord.html#a3b6313b351f04fc9308e6489854cff54">t</a>):
<a name="l00012"></a>00012 s(s),
<a name="l00013"></a>00013 t(t) {}
<a name="l00014"></a>00014 };
<a name="l00015"></a>00015
<a name="l00016"></a><a class="code" href="struct_colour.html">00016</a> <span class="keyword">struct </span><a class="code" href="struct_colour.html">Colour</a> {
<a name="l00017"></a><a class="code" href="struct_colour.html#acb0b39e6e5e18b946732f51f126c8bf8">00017</a> <span class="keywordtype">float</span> <a class="code" href="struct_colour.html#acb0b39e6e5e18b946732f51f126c8bf8">r</a>, <a class="code" href="struct_colour.html#a25bdab33ddd5f646162329bfb8b23b75">g</a>, <a class="code" href="struct_colour.html#aee312356ce76f9c54c9beecad919b421">b</a>, <a class="code" href="struct_colour.html#a9ccf90007a15e06f926be5fbfe4e9144">a</a>;
<a name="l00018"></a><a class="code" href="struct_colour.html#a25a9ec348579c9df5363220ccbc1f3ec">00018</a> <a class="code" href="struct_colour.html#a6ea7cdd0dac4c0fad2557379c1ed9056">Colour</a>(<span class="keywordtype">float</span> R, <span class="keywordtype">float</span> G, <span class="keywordtype">float</span> B, <span class="keywordtype">float</span> A):
<a name="l00019"></a>00019 <a class="code" href="struct_colour.html#acb0b39e6e5e18b946732f51f126c8bf8">r</a>(R),
<a name="l00020"></a>00020 <a class="code" href="struct_colour.html#a25bdab33ddd5f646162329bfb8b23b75">g</a>(G),
<a name="l00021"></a>00021 <a class="code" href="struct_colour.html#aee312356ce76f9c54c9beecad919b421">b</a>(B),
<a name="l00022"></a>00022 <a class="code" href="struct_colour.html#a9ccf90007a15e06f926be5fbfe4e9144">a</a>(A) {}
<a name="l00023"></a>00023
<a name="l00024"></a><a class="code" href="struct_colour.html#a6ea7cdd0dac4c0fad2557379c1ed9056">00024</a> <a class="code" href="struct_colour.html#a6ea7cdd0dac4c0fad2557379c1ed9056">Colour</a>(<span class="keywordtype">void</span>):
<a name="l00025"></a>00025 <a class="code" href="struct_colour.html#acb0b39e6e5e18b946732f51f126c8bf8">r</a>(0.0f),
<a name="l00026"></a>00026 <a class="code" href="struct_colour.html#a25bdab33ddd5f646162329bfb8b23b75">g</a>(0.0f),
<a name="l00027"></a>00027 <a class="code" href="struct_colour.html#aee312356ce76f9c54c9beecad919b421">b</a>(0.0f),
<a name="l00028"></a>00028 <a class="code" href="struct_colour.html#a9ccf90007a15e06f926be5fbfe4e9144">a</a>(0.0f) {}
<a name="l00029"></a>00029 };
<a name="l00030"></a>00030
<a name="l00031"></a><a class="code" href="struct_vector2.html">00031</a> <span class="keyword">struct </span><a class="code" href="struct_vector2.html">Vector2</a> {
<a name="l00032"></a><a class="code" href="struct_vector2.html#a0e07bad05f01ed811b909a2eef97f9e2">00032</a> <span class="keywordtype">float</span> <a class="code" href="struct_vector2.html#a046bb8d17a876acc49415128dc0502f2">x</a>, <a class="code" href="struct_vector2.html#a0e07bad05f01ed811b909a2eef97f9e2">y</a>;
<a name="l00033"></a><a class="code" href="struct_vector2.html#a6cb994a033ee0ce6a9d607b27ec2dc42">00033</a> <a class="code" href="struct_vector2.html#a90387a46b53d8cbcef993134c2d03245">Vector2</a>(<span class="keywordtype">float</span> X, <span class="keywordtype">float</span> Y):
<a name="l00034"></a>00034 <a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a>(X),
<a name="l00035"></a>00035 <a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a>(Y) {}
<a name="l00036"></a>00036
<a name="l00037"></a><a class="code" href="struct_vector2.html#a90387a46b53d8cbcef993134c2d03245">00037</a> <a class="code" href="struct_vector2.html#a90387a46b53d8cbcef993134c2d03245">Vector2</a>(<span class="keywordtype">void</span>):
<a name="l00038"></a>00038 <a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a>(0.0f),
<a name="l00039"></a>00039 <a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a>(0.0f) {}
<a name="l00040"></a>00040
<a name="l00041"></a><a class="code" href="struct_vector2.html#a299d9e1cd67d3fb587f57170afab9741">00041</a> <a class="code" href="struct_vector2.html#a90387a46b53d8cbcef993134c2d03245">Vector2</a>(<span class="keyword">const</span> <a class="code" href="struct_vector2.html">Vector2</a>& v):
<a name="l00042"></a>00042 <a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a>(v.<a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a>),
<a name="l00043"></a>00043 <a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a>(v.<a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a>) {}
<a name="l00044"></a>00044
<a name="l00045"></a><a class="code" href="struct_vector2.html#a3ff7b554e70e94ebc154664d7722e824">00045</a> <a class="code" href="struct_vector2.html">Vector2</a> <a class="code" href="struct_vector2.html#a3ff7b554e70e94ebc154664d7722e824">operator*</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> s)<span class="keyword"> const </span>{
<a name="l00046"></a>00046 <span class="keywordflow">return</span> <a class="code" href="struct_vector2.html#a90387a46b53d8cbcef993134c2d03245">Vector2</a>(<a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a>*s, <a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a>*s);
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a><a class="code" href="struct_vector2.html#a1df081c36e002f10ac92c957c6731065">00049</a> <a class="code" href="struct_vector2.html">Vector2</a>& <a class="code" href="struct_vector2.html#a1df081c36e002f10ac92c957c6731065">operator=</a>(<span class="keyword">const</span> <a class="code" href="struct_vector2.html">Vector2</a>& v) {
<a name="l00050"></a>00050 <span class="keywordflow">if</span>(<span class="keyword">this</span> == &v) {
<a name="l00051"></a>00051 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053 <a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a> = v.<a class="code" href="struct_vector2.html#a046bb8d17a876acc49415128dc0502f2">x</a>;
<a name="l00054"></a>00054 <a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a> = v.<a class="code" href="struct_vector2.html#a0e07bad05f01ed811b909a2eef97f9e2">y</a>;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a><a class="code" href="struct_vector2.html#a4aa43747680ca286b4e274c8d85478d5">00059</a> <a class="code" href="struct_vector2.html">Vector2</a>& <a class="code" href="struct_vector2.html#a4aa43747680ca286b4e274c8d85478d5">operator+=</a>(<span class="keyword">const</span> <a class="code" href="struct_vector2.html">Vector2</a>& v) {
<a name="l00060"></a>00060 this-><a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a> += v.<a class="code" href="struct_vector2.html#a046bb8d17a876acc49415128dc0502f2">x</a>;
<a name="l00061"></a>00061 this-><a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a> += v.<a class="code" href="struct_vector2.html#a0e07bad05f01ed811b909a2eef97f9e2">y</a>;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a><a class="code" href="struct_vector2.html#a4696e053ead3dee114538718405ccf7a">00066</a> <span class="keyword">const</span> <a class="code" href="struct_vector2.html">Vector2</a> <a class="code" href="struct_vector2.html#a4696e053ead3dee114538718405ccf7a">operator-</a>(<span class="keyword">const</span> <a class="code" href="struct_vector2.html">Vector2</a>& v)<span class="keyword"> const </span>{
<a name="l00067"></a>00067 <a class="code" href="struct_vector2.html">Vector2</a> result;
<a name="l00068"></a>00068 result.<a class="code" href="struct_vector2.html#a046bb8d17a876acc49415128dc0502f2">x</a> = <a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a> - v.<a class="code" href="struct_vector2.html#a046bb8d17a876acc49415128dc0502f2">x</a>;
<a name="l00069"></a>00069 result.<a class="code" href="struct_vector2.html#a0e07bad05f01ed811b909a2eef97f9e2">y</a> = <a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a> - v.<a class="code" href="struct_vector2.html#a0e07bad05f01ed811b909a2eef97f9e2">y</a>;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordflow">return</span> result;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a><a class="code" href="struct_vector2.html#a8676f92084a7c96b02269f9692f9d8bc">00074</a> <span class="keywordtype">float</span> <a class="code" href="struct_vector2.html#a8676f92084a7c96b02269f9692f9d8bc">length</a>(<span class="keywordtype">void</span>)<span class="keyword"> const </span>{
<a name="l00075"></a>00075 <span class="keywordflow">return</span> sqrtf(<a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a>*<a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a>+<a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a>*<a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a>);
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a><a class="code" href="struct_vector2.html#ac6def9fbefb3e48ee2e854d6ce0ff140">00078</a> <span class="keywordtype">void</span> <a class="code" href="struct_vector2.html#ac6def9fbefb3e48ee2e854d6ce0ff140">normalize</a>(<span class="keywordtype">void</span>) {
<a name="l00079"></a>00079 <span class="keywordtype">float</span> l = 1.0f / <a class="code" href="struct_vector2.html#a8676f92084a7c96b02269f9692f9d8bc">length</a>();
<a name="l00080"></a>00080 <a class="code" href="wglext_8h.html#ad77deca22f617d3f0e0eb786445689fc">x</a> *= l;
<a name="l00081"></a>00081 <a class="code" href="wglext_8h.html#a9298c7ad619074f5285b32c6b72bfdea">y</a> *= l;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 };
<a name="l00084"></a>00084
<a name="l00085"></a><a class="code" href="_geometry_8h.html#acbf8f0918862db5115f46247a72f2fb5">00085</a> <span class="keyword">typedef</span> <a class="code" href="struct_vector2.html">Vector2</a> <a class="code" href="_geometry_8h.html#acbf8f0918862db5115f46247a72f2fb5">Vertex</a>;
<a name="l00086"></a>00086
<a name="l00087"></a><a class="code" href="_geometry_8h.html#a5e9fab035aa5d5c82169c179c6b109e8">00087</a> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="_geometry_8h.html#a5e9fab035aa5d5c82169c179c6b109e8">degreesToRadians</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> degrees) {
<a name="l00088"></a>00088 <span class="keyword">const</span> <span class="keywordtype">float</span> PIOver180 = 3.14159f / 180.0f;
<a name="l00089"></a>00089 <span class="keywordflow">return</span> degrees * PIOver180;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="preprocessor">#endif</span>
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