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The size of the delta or an array of initial values.
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Adds another InputDelta instance to this one.
The other InputDelta instance to add.
Self for chaining.
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Appends offsets to the current delta values.
The offsets.
Self for chaining.
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Copies the values from another InputDelta instance to this one.
The other InputDelta instance to copy from.
Self for chaining.
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The magnitude of the delta, calculated as the square root of the sum of squares of the values.
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Returns the current value of the delta and resets it to zero.
Represents an input delta: a fixed-length array of numbers that accumulates input between reads. Sources append raw values to it as events arrive, and read returns the total and resets it to zero, so each read yields the change since the previous one. An InputFrame groups named deltas together.