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<div class="section" id="actions"> |
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<span id="bpy-ops-action"></span><span id="bpy-types-action"></span><h1>Actions<a class="headerlink" href="#actions" title="Permalink to this headline">¶</a></h1> |
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<p>When animating objects and properties in Blender, Actions record and contain the data. |
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As everything else in Blender, Actions are data-blocks.</p> |
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<div class="figure" id="id1"> |
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<img alt="../_images/animation_actions_data3.png" src="../_images/animation_actions_data3.png" /> |
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<p class="caption"><span class="caption-text">Actions.</span></p> |
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</div> |
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<p>So when you animate an object by changing its location with keyframes, |
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the animation is saved to the Action.</p> |
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<p>Each property has a channel which it is recorded to, for example, |
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Cube.location.x is recorded to Channel X Location. |
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The <em>X location</em> and <em>Y location</em> properties can be shared across multiple objects, |
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if all objects have <em>X location</em> and <em>Y location</em> properties beneath them.</p> |
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<div class="figure" id="id2"> |
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<img alt="../_images/animation_actions_keyframes.png" src="../_images/animation_actions_keyframes.png" /> |
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<p class="caption"><span class="caption-text">Graph Editor. Each channel has an F-curve represented by the lines between the keyframes.</span></p> |
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</div> |
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<dl class="docutils"> |
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<dt>Actions</dt> |
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<dd>Record and contain animation data.</dd> |
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<dt>Groups</dt> |
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<dd>Are groups of channels.</dd> |
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<dt>Channels</dt> |
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<dd>Record properties.</dd> |
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<dt>F-Curves</dt> |
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<dd><a class="reference internal" href="../editors/graph_editor/fcurves/introduction.html"><span class="doc">F-Curves</span></a> are used to |
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interpolate the difference between the keyframes.</dd> |
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<dt>Keyframes</dt> |
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<dd><a class="reference internal" href="keyframes/introduction.html"><span class="doc">Keyframes</span></a> are used to |
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set the values of properties bound to a point in time.</dd> |
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</dl> |
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<div class="section" id="working-with-actions"> |
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<h2>Working with Actions<a class="headerlink" href="#working-with-actions" title="Permalink to this headline">¶</a></h2> |
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<div class="figure align-right" id="id3"> |
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<img alt="../_images/animation_actions_create.png" src="../_images/animation_actions_create.png" /> |
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<p class="caption"><span class="caption-text">The Action data-block menu.</span></p> |
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</div> |
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<p>When you first animate an object by adding keyframes, |
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Blender creates an <em>Action</em> to record the data.</p> |
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<p><em>Actions</em> can be managed with the <em>Action data-block menu</em> |
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in the Dope Sheet <a class="reference internal" href="../editors/dope_sheet/action.html"><span class="doc">Action Editor</span></a> header, |
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or the Sidebar region of the <a class="reference internal" href="../editors/nla/properties_modifiers.html"><span class="doc">NLA Editor</span></a>.</p> |
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<p>If you are making multiple actions for the same object, |
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press the shield button for each action. |
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This will give the actions a <em>Fake User</em> and will make Blender save the unlinked actions.</p> |
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<p>Objects can only use one <em>Action</em> at a time for editing. |
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The <a class="reference internal" href="../editors/nla/index.html"><span class="doc">NLA Editor</span></a> is used to blend multiple actions together.</p> |
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</div> |
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<div class="section" id="bake-action"> |
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<span id="bpy-ops-nla-bake"></span><h2>Bake Action<a class="headerlink" href="#bake-action" title="Permalink to this headline">¶</a></h2> |
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<div class="refbox admonition"> |
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<p class="first admonition-title">Reference</p> |
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<table class="last docutils field-list" frame="void" rules="none"> |
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<col class="field-name" /> |
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<col class="field-body" /> |
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<tbody valign="top"> |
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<tr class="field-odd field"><th class="field-name">Editor:</th><td class="field-body">3D View</td> |
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</tr> |
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<tr class="field-even field"><th class="field-name">Mode:</th><td class="field-body">Object and Pose Modes</td> |
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</tr> |
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<tr class="field-odd field"><th class="field-name">Menu:</th><td class="field-body"><span class="menuselection">Object/Pose ‣ Animation ‣ Bake Action…</span></td> |
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</tr> |
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</tbody> |
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</table> |
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<p>The <em>Bake Action</em> tool will apply interpolated frames into individual keyframes. |
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This can be useful for adding deviation to a cyclic action like a <a class="reference internal" href="../glossary/index.html#term-walk-cycle"><span class="xref std std-term">walk cycle</span></a>. |
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This can also useful for keyframe animations created from drivers or constraints.</p> |
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