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Action:
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Interpolates a new position based on the weight between two given positions.
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Filename:
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kern/kern_scm/pos_scm.cxx
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Syntax:
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(position:interpolate position1 position2 weight)
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Arg Types:
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position1
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position
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position2
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position
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weight
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real
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Returns:
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position
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Description:
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This extension returns the
position as determined by
weight.
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position1 specifies the first position.
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position2 specifies the second position.
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weight is a real number, ranging from 0 to 1.
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The
position is given by:
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((1-weight) * position1) + (weight * position2)
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Given
weight:
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Resulting
position:
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0
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position1
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1
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position2
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0.5
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The midpoint between
position1 and
position2.
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Example:
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; position:interpolate
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; Interpolate new positions between
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; two given positions.
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(position:interpolate (position 3 5 4)
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(position 3 3 3) 0)
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;; #[position 3 5 4]
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(position:interpolate (position 3 5 4)
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(position 3 3 3) 1)
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;; #[position 3 3 3]
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(position:interpolate (position 3 5 4)
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(position 3 3 3) 0.5)
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;; #[position 3 4 3.5]
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