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[![Build Status](https://travis-ci.org/mapbox/unitbezier.svg)](https://travis-ci.org/mapbox/unitbezier)

# unitbezier

Unit bezier interpolation function: a port to JavaScript from Webkit:

http://svn.webkit.org/repository/webkit/trunk/Source/WebCore/platform/graphics/UnitBezier.h

## api

### new UnitBezier(p1x, p1y, p2x, p2y)

Initialize a new bezier curve given the points

### bezier.sampleCurveX(t)

### bezier.sampleCurveY(t)

### bezier.sampleCurveDerivativeX(t)

### bezier.solveCurveX(t)

### bezier.solve(x, epsilon)