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<a href="#pub-attribs">Public Attributes</a> |
<a href="unionSDL__HapticEffect-members.html">List of all members</a> </div>
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<div class="title">SDL_HapticEffect Union Reference</div> </div>
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<p>The generic template for any haptic effect.
<a href="unionSDL__HapticEffect.html#details">More...</a></p>
<p><code>#include <<a class="el" href="SDL__haptic_8h_source.html">SDL_haptic.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a5ff6cfd8da91537091e9a6c2108cb179"><td class="memItemLeft" align="right" valign="top">Uint16 </td><td class="memItemRight" valign="bottom"><a class="el" href="unionSDL__HapticEffect.html#a5ff6cfd8da91537091e9a6c2108cb179">type</a></td></tr>
<tr class="separator:a5ff6cfd8da91537091e9a6c2108cb179"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac435275e9683d6cc5d65b9c7cc2ec659"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSDL__HapticConstant.html">SDL_HapticConstant</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="unionSDL__HapticEffect.html#ac435275e9683d6cc5d65b9c7cc2ec659">constant</a></td></tr>
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<tr class="memitem:a8320ec4db6ec1dc1d30feb62ee2a2f04"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSDL__HapticPeriodic.html">SDL_HapticPeriodic</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="unionSDL__HapticEffect.html#a8320ec4db6ec1dc1d30feb62ee2a2f04">periodic</a></td></tr>
<tr class="separator:a8320ec4db6ec1dc1d30feb62ee2a2f04"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa8fdd1ba202ccd7e61f48ef9977080d2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSDL__HapticCondition.html">SDL_HapticCondition</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="unionSDL__HapticEffect.html#aa8fdd1ba202ccd7e61f48ef9977080d2">condition</a></td></tr>
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<tr class="memitem:a1d32ef4c2d1cc89dc938b392f6ad81bd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSDL__HapticRamp.html">SDL_HapticRamp</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="unionSDL__HapticEffect.html#a1d32ef4c2d1cc89dc938b392f6ad81bd">ramp</a></td></tr>
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<tr class="memitem:a3c254b81c1ff41c7888eee0cd0076a12"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSDL__HapticLeftRight.html">SDL_HapticLeftRight</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="unionSDL__HapticEffect.html#a3c254b81c1ff41c7888eee0cd0076a12">leftright</a></td></tr>
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<tr class="memitem:a0b2d2af28c515cc39896b2b7c23019d2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSDL__HapticCustom.html">SDL_HapticCustom</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="unionSDL__HapticEffect.html#a0b2d2af28c515cc39896b2b7c23019d2">custom</a></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The generic template for any haptic effect. </p>
<p>All values max at 32767 (0x7FFF). Signed values also can be negative. Time values unless specified otherwise are in milliseconds.</p>
<p>You can also pass <a class="el" href="SDL__haptic_8h.html#a648896e9e14cb27fa8a4b6632d3f3882" title="Used to play a device an infinite number of times.">SDL_HAPTIC_INFINITY</a> to length instead of a 0-32767 value. Neither delay, interval, attack_length nor fade_length support <a class="el" href="SDL__haptic_8h.html#a648896e9e14cb27fa8a4b6632d3f3882" title="Used to play a device an infinite number of times.">SDL_HAPTIC_INFINITY</a>. Fade will also not be used since effect never ends.</p>
<p>Additionally, the <a class="el" href="SDL__haptic_8h.html#af10eb937a64a8f602e9c46682ac0d868" title="Ramp effect supported.">SDL_HAPTIC_RAMP</a> effect does not support a duration of <a class="el" href="SDL__haptic_8h.html#a648896e9e14cb27fa8a4b6632d3f3882" title="Used to play a device an infinite number of times.">SDL_HAPTIC_INFINITY</a>.</p>
<p>Button triggers may not be supported on all devices, it is advised to not use them if possible. Buttons start at index 1 instead of index 0 like the joystick.</p>
<p>If both attack_length and fade_level are 0, the envelope is not used, otherwise both values are used.</p>
<p>Common parts: </p><div class="fragment"><div class="line"><span class="comment">// Replay - All effects have this</span></div><div class="line">Uint32 length; <span class="comment">// Duration of effect (ms).</span></div><div class="line">Uint16 delay; <span class="comment">// Delay before starting effect.</span></div><div class="line"></div><div class="line"><span class="comment">// Trigger - All effects have this</span></div><div class="line">Uint16 button; <span class="comment">// Button that triggers effect.</span></div><div class="line">Uint16 interval; <span class="comment">// How soon before effect can be triggered again.</span></div><div class="line"></div><div class="line"><span class="comment">// Envelope - All effects except condition effects have this</span></div><div class="line">Uint16 attack_length; <span class="comment">// Duration of the attack (ms).</span></div><div class="line">Uint16 attack_level; <span class="comment">// Level at the start of the attack.</span></div><div class="line">Uint16 fade_length; <span class="comment">// Duration of the fade out (ms).</span></div><div class="line">Uint16 fade_level; <span class="comment">// Level at the end of the fade.</span></div></div><!-- fragment --><p>Here we have an example of a constant effect evolution in time: </p><pre class="fragment">Strength
^
|
| effect level --> _________________
| / \
| / \
| / \
| / \
| attack_level --> | \
| | | <--- fade_level
|
+--------------------------------------------------> Time
[--] [---]
attack_length fade_length
[------------------][-----------------------]
delay length
</pre><p>Note either the attack_level or the fade_level may be above the actual effect level.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="structSDL__HapticConstant.html" title="A structure containing a template for a Constant effect.">SDL_HapticConstant</a> </dd>
<dd>
<a class="el" href="structSDL__HapticPeriodic.html" title="A structure containing a template for a Periodic effect.">SDL_HapticPeriodic</a> </dd>
<dd>
<a class="el" href="structSDL__HapticCondition.html" title="A structure containing a template for a Condition effect.">SDL_HapticCondition</a> </dd>
<dd>
<a class="el" href="structSDL__HapticRamp.html" title="A structure containing a template for a Ramp effect.">SDL_HapticRamp</a> </dd>
<dd>
<a class="el" href="structSDL__HapticLeftRight.html" title="A structure containing a template for a Left/Right effect.">SDL_HapticLeftRight</a> </dd>
<dd>
<a class="el" href="structSDL__HapticCustom.html" title="A structure containing a template for the SDL_HAPTIC_CUSTOM effect.">SDL_HapticCustom</a> </dd></dl>
</div><h2 class="groupheader">Member Data Documentation</h2>
<a id="aa8fdd1ba202ccd7e61f48ef9977080d2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa8fdd1ba202ccd7e61f48ef9977080d2">◆ </a></span>condition</h2>
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<td class="memname"><a class="el" href="structSDL__HapticCondition.html">SDL_HapticCondition</a> SDL_HapticEffect::condition</td>
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</div><div class="memdoc">
<p>Condition effect. </p>
</div>
</div>
<a id="ac435275e9683d6cc5d65b9c7cc2ec659"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac435275e9683d6cc5d65b9c7cc2ec659">◆ </a></span>constant</h2>
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<td class="memname"><a class="el" href="structSDL__HapticConstant.html">SDL_HapticConstant</a> SDL_HapticEffect::constant</td>
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<p>Constant effect. </p>
</div>
</div>
<a id="a0b2d2af28c515cc39896b2b7c23019d2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0b2d2af28c515cc39896b2b7c23019d2">◆ </a></span>custom</h2>
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<td class="memname"><a class="el" href="structSDL__HapticCustom.html">SDL_HapticCustom</a> SDL_HapticEffect::custom</td>
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<p>Custom effect. </p>
</div>
</div>
<a id="a3c254b81c1ff41c7888eee0cd0076a12"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3c254b81c1ff41c7888eee0cd0076a12">◆ </a></span>leftright</h2>
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<td class="memname"><a class="el" href="structSDL__HapticLeftRight.html">SDL_HapticLeftRight</a> SDL_HapticEffect::leftright</td>
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<p>Left/Right effect. </p>
</div>
</div>
<a id="a8320ec4db6ec1dc1d30feb62ee2a2f04"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8320ec4db6ec1dc1d30feb62ee2a2f04">◆ </a></span>periodic</h2>
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<td class="memname"><a class="el" href="structSDL__HapticPeriodic.html">SDL_HapticPeriodic</a> SDL_HapticEffect::periodic</td>
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<p>Periodic effect. </p>
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<a id="a1d32ef4c2d1cc89dc938b392f6ad81bd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1d32ef4c2d1cc89dc938b392f6ad81bd">◆ </a></span>ramp</h2>
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<td class="memname"><a class="el" href="structSDL__HapticRamp.html">SDL_HapticRamp</a> SDL_HapticEffect::ramp</td>
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<p>Ramp effect. </p>
</div>
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<a id="a5ff6cfd8da91537091e9a6c2108cb179"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5ff6cfd8da91537091e9a6c2108cb179">◆ </a></span>type</h2>
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<td class="memname">Uint16 SDL_HapticEffect::type</td>
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<p>Effect type. </p>
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<hr/>The documentation for this union was generated from the following file:<ul>
<li><a class="el" href="SDL__haptic_8h_source.html">SDL_haptic.h</a></li>
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