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<div class="title">noise.h File Reference</div> </div>
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<p>Noise functions provided by the library.
<a href="#details">More...</a></p>
<p><a href="noise_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">scaled 16 bit noise functions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>16 bit, fixed point implementation of perlin's Simplex Noise.</p>
<p>Coordinates are 16.16 fixed point values, 32 bit integers with integral coordinates in the high 16 bits and fractional in the low 16 bits, and the function takes 1d, 2d, and 3d coordinate values. These functions are scaled to return 0-65535 </p>
</div></td></tr>
<tr class="memitem:ga94be5ce8402e6147209f94d6006e8f00"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga94be5ce8402e6147209f94d6006e8f00"></a>
uint16_t </td><td class="memItemRight" valign="bottom"><b>inoise16</b> (uint32_t x, uint32_t y, uint32_t z)</td></tr>
<tr class="separator:ga94be5ce8402e6147209f94d6006e8f00"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gad5f2a2fa9858003b0d692d3700423f39"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gad5f2a2fa9858003b0d692d3700423f39"></a>
uint16_t </td><td class="memItemRight" valign="bottom"><b>inoise16</b> (uint32_t x, uint32_t y)</td></tr>
<tr class="separator:gad5f2a2fa9858003b0d692d3700423f39"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga34b2848203803e1c7a2de01d7dbcea63"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga34b2848203803e1c7a2de01d7dbcea63"></a>
uint16_t </td><td class="memItemRight" valign="bottom"><b>inoise16</b> (uint32_t x)</td></tr>
<tr class="separator:ga34b2848203803e1c7a2de01d7dbcea63"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">raw 16 bit noise functions</div></td></tr>
<tr class="memitem:ga810bdc406dcf8fd5b7add9041aa18abd"><td class="memItemLeft" align="right" valign="top">int16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___noise.html#ga810bdc406dcf8fd5b7add9041aa18abd">inoise16_raw</a> (uint32_t x, uint32_t y, uint32_t z)</td></tr>
<tr class="memdesc:ga810bdc406dcf8fd5b7add9041aa18abd"><td class="mdescLeft"> </td><td class="mdescRight">16 bit raw versions of the noise functions. <a href="group___noise.html#ga810bdc406dcf8fd5b7add9041aa18abd">More...</a><br /></td></tr>
<tr class="separator:ga810bdc406dcf8fd5b7add9041aa18abd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga77c11f2f9fea19661e8eaa04cf9a4155"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga77c11f2f9fea19661e8eaa04cf9a4155"></a>
int16_t </td><td class="memItemRight" valign="bottom"><b>inoise16_raw</b> (uint32_t x, uint32_t y)</td></tr>
<tr class="separator:ga77c11f2f9fea19661e8eaa04cf9a4155"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaee9489effd6415b16569307922fb12b9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaee9489effd6415b16569307922fb12b9"></a>
int16_t </td><td class="memItemRight" valign="bottom"><b>inoise16_raw</b> (uint32_t x)</td></tr>
<tr class="separator:gaee9489effd6415b16569307922fb12b9"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">8 bit scaled noise functions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>8 bit, fixed point implementation of perlin's Simplex Noise.</p>
<p>Coordinates are 8.8 fixed point values, 16 bit integers with integral coordinates in the high 8 bits and fractional in the low 8 bits, and the function takes 1d, 2d, and 3d coordinate values. These functions are scaled to return 0-255 </p>
</div></td></tr>
<tr class="memitem:gaa521ccca6038d7b5e881fe2e8f35d3bc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaa521ccca6038d7b5e881fe2e8f35d3bc"></a>
uint8_t </td><td class="memItemRight" valign="bottom"><b>inoise8</b> (uint16_t x, uint16_t y, uint16_t z)</td></tr>
<tr class="separator:gaa521ccca6038d7b5e881fe2e8f35d3bc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9641aa87f0a5557f73004fb73f81bba5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga9641aa87f0a5557f73004fb73f81bba5"></a>
uint8_t </td><td class="memItemRight" valign="bottom"><b>inoise8</b> (uint16_t x, uint16_t y)</td></tr>
<tr class="separator:ga9641aa87f0a5557f73004fb73f81bba5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab9d952a5258caa93c05ebdde0140cf0e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gab9d952a5258caa93c05ebdde0140cf0e"></a>
uint8_t </td><td class="memItemRight" valign="bottom"><b>inoise8</b> (uint16_t x)</td></tr>
<tr class="separator:gab9d952a5258caa93c05ebdde0140cf0e"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">8 bit raw noise functions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>8 bit raw versions of the noise functions.</p>
<p>These values are not scaled/altered and have output values roughly in the range (-70,70) </p>
</div></td></tr>
<tr class="memitem:ga6c57ed3ea69e819c29602578ecbabd71"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6c57ed3ea69e819c29602578ecbabd71"></a>
int8_t </td><td class="memItemRight" valign="bottom"><b>inoise8_raw</b> (uint16_t x, uint16_t y, uint16_t z)</td></tr>
<tr class="separator:ga6c57ed3ea69e819c29602578ecbabd71"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae8a7338d2f14deb11f62086adf81dfe2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae8a7338d2f14deb11f62086adf81dfe2"></a>
int8_t </td><td class="memItemRight" valign="bottom"><b>inoise8_raw</b> (uint16_t x, uint16_t y)</td></tr>
<tr class="separator:gae8a7338d2f14deb11f62086adf81dfe2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gabf6fbef9588c6d6ee35b7ad79fe14ace"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gabf6fbef9588c6d6ee35b7ad79fe14ace"></a>
int8_t </td><td class="memItemRight" valign="bottom"><b>inoise8_raw</b> (uint16_t x)</td></tr>
<tr class="separator:gabf6fbef9588c6d6ee35b7ad79fe14ace"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">raw fill functions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>Raw noise fill functions - fill into a 1d or 2d array of 8-bit values using either 8-bit noise or 16-bit noise functions.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pData</td><td>the array of data to write into </td></tr>
<tr><td class="paramname">num_points</td><td>the number of points of noise to compute </td></tr>
<tr><td class="paramname">octaves</td><td>the number of octaves to use for noise </td></tr>
<tr><td class="paramname">x</td><td>the x position in the noise field </td></tr>
<tr><td class="paramname">y</td><td>the y position in the noise field for 2d functions </td></tr>
<tr><td class="paramname">scalex</td><td>the scale (distance) between x points when filling in noise </td></tr>
<tr><td class="paramname">scaley</td><td>the scale (distance) between y points when filling in noise </td></tr>
<tr><td class="paramname">time</td><td>the time position for the noise field </td></tr>
</table>
</dd>
</dl>
</div></td></tr>
<tr class="memitem:ga1e4dba9289b03333697e70d4b7f3b006"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga1e4dba9289b03333697e70d4b7f3b006"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_raw_noise8</b> (uint8_t *pData, uint8_t num_points, uint8_t octaves, uint16_t x, int scalex, uint16_t time)</td></tr>
<tr class="separator:ga1e4dba9289b03333697e70d4b7f3b006"><td class="memSeparator" colspan="2"> </td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>fill_raw_noise16into8</b> (uint8_t *pData, uint8_t num_points, uint8_t octaves, uint32_t x, int scalex, uint32_t time)</td></tr>
<tr class="separator:ga9db885e8cd887367fbf17e70f7d6b7fd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaaa7d79bb9fdaf2c6b315c61c2c951142"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaaa7d79bb9fdaf2c6b315c61c2c951142"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_raw_2dnoise8</b> (uint8_t *pData, int width, int height, uint8_t octaves, uint16_t x, int scalex, uint16_t y, int scaley, uint16_t time)</td></tr>
<tr class="separator:gaaa7d79bb9fdaf2c6b315c61c2c951142"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga46bde35765a7eddbd1049fe49429e94e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga46bde35765a7eddbd1049fe49429e94e"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_raw_2dnoise16into8</b> (uint8_t *pData, int width, int height, uint8_t octaves, uint32_t x, int scalex, uint32_t y, int scaley, uint32_t time)</td></tr>
<tr class="separator:ga46bde35765a7eddbd1049fe49429e94e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2a41b0b6fc438305e9fc35307fcd641d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga2a41b0b6fc438305e9fc35307fcd641d"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_raw_2dnoise16</b> (uint16_t *pData, int width, int height, uint8_t octaves, <a class="el" href="classq.html">q88</a> freq88, fract16 amplitude, int skip, uint32_t x, int scalex, uint32_t y, int scaley, uint32_t time)</td></tr>
<tr class="separator:ga2a41b0b6fc438305e9fc35307fcd641d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7731d44b05067579cf4861f0a449f257"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga7731d44b05067579cf4861f0a449f257"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_raw_2dnoise16into8</b> (uint8_t *pData, int width, int height, uint8_t octaves, <a class="el" href="classq.html">q44</a> freq44, fract8 amplitude, int skip, uint32_t x, int scalex, uint32_t y, int scaley, uint32_t time)</td></tr>
<tr class="separator:ga7731d44b05067579cf4861f0a449f257"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">fill functions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>fill functions to fill leds with values based on noise functions.</p>
<p>These functions use the fill_raw_* functions as appropriate. </p>
</div></td></tr>
<tr class="memitem:ga7967fd7b1a7230a0f7428347c70dac3e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga7967fd7b1a7230a0f7428347c70dac3e"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_noise8</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, int num_leds, uint8_t octaves, uint16_t x, int scale, uint8_t hue_octaves, uint16_t hue_x, int hue_scale, uint16_t time)</td></tr>
<tr class="separator:ga7967fd7b1a7230a0f7428347c70dac3e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga55b7c44d1f979e29b51335ca3fe90e1c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga55b7c44d1f979e29b51335ca3fe90e1c"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_noise16</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, int num_leds, uint8_t octaves, uint16_t x, int scale, uint8_t hue_octaves, uint16_t hue_x, int hue_scale, uint16_t time)</td></tr>
<tr class="separator:ga55b7c44d1f979e29b51335ca3fe90e1c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6fcc17e60eac4b9dbb620f7e354177f1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6fcc17e60eac4b9dbb620f7e354177f1"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_2dnoise8</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, int width, int height, bool serpentine, uint8_t octaves, uint16_t x, int xscale, uint16_t y, int yscale, uint16_t time, uint8_t hue_octaves, uint16_t hue_x, int hue_xscale, uint16_t hue_y, uint16_t hue_yscale, uint16_t hue_time, bool blend)</td></tr>
<tr class="separator:ga6fcc17e60eac4b9dbb620f7e354177f1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga714a0f305e385a60d81a40d1f98b53fc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga714a0f305e385a60d81a40d1f98b53fc"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_2dnoise16</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, int width, int height, bool serpentine, uint8_t octaves, uint32_t x, int xscale, uint32_t y, int yscale, uint32_t time, uint8_t hue_octaves, uint16_t hue_x, int hue_xscale, uint16_t hue_y, uint16_t hue_yscale, uint16_t hue_time, bool blend, uint16_t hue_shift=0)</td></tr>
<tr class="separator:ga714a0f305e385a60d81a40d1f98b53fc"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Noise functions provided by the library. </p>
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