javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
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		<h1>[name]</h1>

		<p class="desc">
		Buffered scene graph property that allows weighted accumulation; used internally.
		</p>


		<h2>Constructor</h2>


		<h3>[name]( [param:PropertyBinding binding], [param:String typeName], [param:Number valueSize] )</h3>
		<p>
			-- binding <br />
			-- typeName <br />
			-- valueSize <br />
		</p>


		<h2>Properties</h2>


		<h3>[property:PropertyBinding binding]</h3>
		<p>

		</p>

		<h3>[property:TypedArray buffer]</h3>
		<p>
			Buffer with size [page:PropertyMixer valueSize] * 4. <br /><br />
			This has the layout: [ incoming | accu0 | accu1 | orig ]<br /><br />
			Interpolators can use .buffer as their .result and the data then goes to 'incoming'.
			'accu0' and 'accu1' are used frame-interleaved for the cumulative result and
			are compared to detect changes. 'orig' stores the original state of the property.
		</p>

		<h3>[property:Number cumulativeWeight]</h3>
		<p>
			Default is `0`.
		</p>

		<h3>[property:Number cumulativeWeightAdditive]</h3>
		<p>
			Default is `0`.
		</p>

		<h3>[property:Number valueSize]</h3>
		<p>

		</p>

		<h3>[property:Number referenceCount]</h3>
		<p>
			Default is `0`.
		</p>

		<h3>[property:Number useCount]</h3>
		<p>
			Default is `0`.
		</p>


		<h2>Methods</h2>


		<h3>[method:undefined accumulate]( [param:Number accuIndex], [param:Number weight] )</h3>
		<p>
			Accumulate data in [page:PropertyMixer.buffer buffer][accuIndex] 'incoming' region into 'accu[i]'.<br />

			If weight is `0` this does nothing.
		</p>

		<h3>[method:undefined accumulateAdditive]( [param:Number weight] )</h3>
		<p>
			Accumulate data in the 'incoming' region into 'add'.<br />

			If weight is `0` this does nothing.
		</p>


		<h3>[method:undefined apply]( [param:Number accuIndex] )</h3>
		<p>
			Apply the state of [page:PropertyMixer.buffer buffer] 'accu[i]' to the binding when accus differ.
		</p>

		<h3>[method:undefined saveOriginalState]( )</h3>
		<p>
			Remember the state of the bound property and copy it to both accus.
		</p>

		<h3>[method:undefined restoreOriginalState](  )</h3>
		<p>
			Apply the state previously taken via 'saveOriginalState' to the binding.
		</p>


		<h2>Source</h2>


		<p>
			[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
		</p>
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