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10<title>Particle Emitter Settings</title>
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16    <h1>Emitter Settings</h1>
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18    <h2>Emitter Settings</h2>
19    <h3>Particle Emission Volume</h3>
20    <p>This specifies the number of particles emitted from a emitter in a single frame.<BR> For values where 0 ≥ x &gt; 1, that value is added to each frame, and once it reaches 1, a particle is emitted.</p>
21    <p>The following figure shows the particle emission timing based on an example in which the emission volume is 0.75 and the emission interval is 1.</p>
22    <img class="user_guide_chart" src="assets/particleeffect_emission_volume.png" alt="Particle Emission Volume"/>
23    <h4>Random Emission Volume</h4>
24    <p>You can also configure for random particle emission volume.</p>
25    <h5>Formula</h5>
26    <p class="system">Emission Volume &plusmn; (Random Value &times; Emission Volume)</p>
27    <h6>Example</h6>
28    <p>For an emission volume of 10 and a randomness of 50%, this equation would be <CODE>10 + ((Random value between 0.5 and 0.5) &times; 10)</CODE>, producing particle emission volume varying between 5 and 15.</p
29  >
30    <h3>Particle Emission Time</h3>
31    <!-- #BeginLibraryItem "/Library/glossary_particle_emitted_time.lbi" --> <!-- パーティクルの放出時間 ( particle_emitted_time ) -->
32    <p>The particle emission time is the time during which an emitter emits particles.</p>
33    <!-- #EndLibraryItem -->
34    <p>The figure below compares emitter settings for <I>particle emission volume of 1, an emission interval of 20 frames, and with infinite emission time set to On and Off</I>. When infinite particle emission time is set to <I>Off</I>, <I>the emission time is specified at 50 frames</I>.</p>
35    <img class="user_guide_chart" src="assets/particleeffect_emittertime.png" alt="Particle Emitter Time"/>
36    <p>Details for the above settings:<br />When <I>Infinite is set to On</I>, the emitter continues to emit particles every 20 frames, emitting 5 particles over 80 frames.<br /> When <I>Infinite is set to Off</I>, the emitter emits particles every 20 frames, but since the emission time was specified as 50 frames, only 3 particles are emitted over 80 frames.</p>
37    <h5>Particle Emission Time Settings</h5>
38    <table>
39      <thead>
40        <tr>
41          <th>Settings</th>
42          <th>Parameters</th>
43        </tr>
44      </thead>
45      <tbody>
46        <tr>
47          <th>Emission Interval</th>
48          <td> Specifies the interval at which the emitter emits particles.</td>
49        </tr>
50        <tr>
51          <th>Emission Time</th>
52          <td>Specifies the time duration during which the emitter emits particles.<br /> When <I>Infinite is set to On</I>, the emission time is infinite.<br /> When <I>Infinite is set to Off</I>, <I>you can specify the emission time as a number of frames</I>.</td>
53        </tr>
54      </tbody>
55    </table>
56    <h3>Particle Emission Interval</h3>
57    <p>This specifies the time interval from one particle emission to the next. Specified as a number of frames from 0 to 100.</p>
58    <h4>Random Emission Intervals</h4>
59    <p>You can also specify a random interval between particle emission.</p>
60    <h5>Formula</h5>
61    <p class="system">Number of Frames Specified as the Emission Interval &plusmn; (Random Value &times; Number of Frames Specified as the Emission Interval)</p>
62    <h6>Example</h6>
63    <p>For an emission interval frame count of 10 and a randomness of 50%, this equation would be <CODE>10 + ((Random value between 0.5 and 0.5) &times; 10)</CODE>, producing particle emission intervals varying between 5 and 15.</p>
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