https://wiki.blender.jp/index.php?action=history&feed=atom&title=Doc%3A2.6%2FManual%2FPhysics%2FParticles%2FEmissionDoc:2.6/Manual/Physics/Particles/Emission - 版の履歴2026-04-25T12:17:25Zこのウィキのこのページに関する変更履歴MediaWiki 1.31.0https://wiki.blender.jp/index.php?title=Doc:2.6/Manual/Physics/Particles/Emission&diff=105641&oldid=prevYamyam: 1版 をインポートしました2018-06-28T19:44:34Z<p>1版 をインポートしました</p>
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<p><b>新規ページ</b></p><div>{{Page/Header|2.5|Doc:2.5/Manual/Physics/Particles|Doc:2.5/Manual/Physics/Particles/Physics}}<br />
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= Particle Emission =<br />
The {{Literal|Emitter}} system works just like its name says: it emits/produces particles for a certain amount of time. In such a system, particles are emitted from the selected object from the {{Literal|Start}} frame to the {{Literal|End}} frame and have a certain lifespan. These particles are rendered default as [[Doc:2.6/Manual/Materials/Halos|Halos]], but you may also render these kind of particles as objects (depending on the particle system’s render settings, see [[Doc:2.6/Manual/Physics/Particles/Visualization|Visualization]]).<br />
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== Options ==<br />
[[File:Blender3D_ParticleSystem_EmissionSettings-2.5.png|framed|Image 2a: Settings for particle {{Literal|Emission}}.]]<br />
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The buttons in the {{Literal|Emission}} panel control the way particles are emitted over time:<br />
;{{Literal|Amount}}: The maximum amount of parent particles used in the simulation.<br />
;{{Literal|Start}}: The start frame of particle emission. You may set negative values, which enables you to start the simulation before the actual rendering.<br />
;{{Literal|End}}: The end frame of particle emission.<br />
;{{Literal|Lifetime}}: The lifetime (in frames) of the particles.<br />
;{{Literal|Random}}: A random variation of the lifetime of a given particle. The shortest possible lifetime is <code>''Lifetime''×(1-''Rand'')</code>. Values above 1.0 are not allowed. For example with the default {{Literal|Lifetime}} value of 50 a {{Literal|Random}} setting of 0.5 will give you particles with lives ranging from 50 frames to <code>50×(1.0-0.5)</code>=25 frames, and with a {{Literal|Random}} setting of 0.75 you’ll get particles with lives ranging from 50 frames to <code>50×(1.0-0.75)</code>=12.5 frames.<br />
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=== Emission Location ===<br />
{{Literal|Emit From}} parameters define how and where the particles are emitted, giving precise control over their distribution. You may use vertex groups to confine the emission, that is done in the {{Literal|Vertexgroups}} panel.<br />
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;{{Literal|Verts}}<br />
:Emit particles from the vertices of a mesh.<br />
;{{Literal|Faces}}<br />
:Emit particles from the surface of a mesh's faces.<br />
;{{Literal|Volume}}<br />
:Emit particles from the volume of an enclosed mesh.<br />
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== Distribution Settings ==<br />
These settings control how the emissions of particles are distributed throughout the emission locations<br />
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;{{Literal|Random}}: The emitter element indices are gone through in a random order instead of linearly (one after the other).<br />
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For Faces and Volume, additional options appear:<br />
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;{{Literal|Even Distribution}}<br />
: Particle distribution is made even based on surface area of the elements, i.e. small elements emit less particles than large elements, so that the particle density is even.<br />
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;{{Literal|Jittered}}<br />
: Particles are placed at jittered intervals on the emitter elements.<br />
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:{{Literal|Particles/Face}}<br />
:: Number of emissions per face (0 = automatic).<br />
:{{Literal|JitteringAmount}}<br />
:: Amount of jitter applied to the sampling.<br />
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;{{Literal|Random}}<br />
: Particles are emitted from random locations in the emitter’s elements.<br />
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;{{Literal|Grid}}<br />
: Particles are set in a 3d grid and particles near/in the elements are kept.<br />
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:{{Literal|Invert Grid}}<br />
::Invert what is considered the object and what is not.<br />
:{{Literal|Hexagonal}}<br />
::Uses a hexagonal shaped grid instead of a rectangular one.<br />
:{{Literal|Resolution}}<br />
:: Resolution of the grid.<br />
:{{Literal|Random}}<br />
::Add a random offset to grid locations.<br />
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; {{Literal|Use Modefier Stack}}<br />
: Emit particles from mesh with modifiers applied (must use same subsurf level for viewport and render for correct results)<br />
{{clr}}<br />
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{{NiceTip|1=Your mesh must be watertight to emit particles from the volume.|2=Some modifiers like {{Literal|Edge Split}} break up the surface, in which case volume emission will not work correctly!}}<br />
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{{Page/Footer|Doc:2.5/Manual/Physics/Particles|Doc:2.5/Manual/Physics/Particles/Physics}}</div>wiki>Urkokul