Difference between revisions of "BezierCurve:getDerivative"
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Get the derivative of the Bézier curve. | Get the derivative of the Bézier curve. | ||
| − | This function can be used to rotate sprites moving along a curve in the direction of the movement and compute the direction | + | This function can be used to rotate sprites moving along a curve in the direction of the movement and compute the direction perpendicular to the curve at some parameter t. |
== Function == | == Function == | ||
Revision as of 21:54, 3 September 2013
| Available since LÖVE 0.9.0 |
| This function is not supported in earlier versions. |
Get the derivative of the Bézier curve.
This function can be used to rotate sprites moving along a curve in the direction of the movement and compute the direction perpendicular to the curve at some parameter t.
Function
Synopsis
derivative = BezierCurve:getDerivative()
Arguments
None.
Returns
BezierCurve derivative- The derivative curve.
See Also
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