public class BezierInterpolator extends AbstractSplineInterpolator
This class interpolates fractional values using a Bezier spline. The anchor points for the spline are assumed to be (0, 0) and (1, 1). Control points should all be in the range [0, 1].
FIXME - This interpolator does not work!
| Constructor and Description |
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BezierInterpolator(double[][] controlPoints)
Interpolates between the specified control points.
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BezierInterpolator(double[][] controlPoints,
boolean reverse,
long timespan)
Interpolates between the specified control points.
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BezierInterpolator(float x1,
float y1,
float x2,
float y2)
Creates a new instance of SplineInterpolator with the control points
defined by (x1, y1) and (x2, y2).
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BezierInterpolator(float x1,
float y1,
float x2,
float y2,
boolean reverse,
long timespan)
Creates a new instance of SplineInterpolator with the control points
defined by (x1, y1) and (x2, y2).
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BezierInterpolator(float x1,
float y1,
float x2,
float y2,
long timespan)
Creates a new instance of SplineInterpolator with the control points
defined by (x1, y1) and (x2, y2).
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| Modifier and Type | Method and Description |
|---|---|
Point2D.Float |
getXY(float t,
Point2D.Float xy)
Evaluates the bezier function and returns a 2D point.
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float |
getY(float t)
Evaluates the bezier function and returns a 2D point.
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getFraction, update, updateFractionsfinish, initialize, interpolate, isElapsed, isFinished, isSequential, replaces, setTimespanpublic BezierInterpolator(float x1,
float y1,
float x2,
float y2)
The interpolator runs for one second.
x1 - The x coordinate for the first bezier control point.y1 - The y coordinate for the first bezier control point.x2 - The x coordinate for the second bezier control point.y2 - The x coordinate for the second bezier control point.IllegalArgumentException - This exception is thrown when values
beyond the allowed [0,1] range are passed inpublic BezierInterpolator(float x1,
float y1,
float x2,
float y2,
long timespan)
The interpolator runs for the specified time span.
x1 - The x coordinate for the first bezier control point.y1 - The y coordinate for the first bezier control point.x2 - The x coordinate for the second bezier control point.y2 - The x coordinate for the second bezier control point.timespan - The time span in milliseconds.IllegalArgumentException - This exception is thrown when values
beyond the allowed [0,1] range are passed inpublic BezierInterpolator(float x1,
float y1,
float x2,
float y2,
boolean reverse,
long timespan)
The interpolator runs for the specified time span.
x1 - The x coordinate for the first bezier control point.y1 - The y coordinate for the first bezier control point.x2 - The x coordinate for the second bezier control point.y2 - The x coordinate for the second bezier control point.reverse - Run interpolator in the reverse direction.timespan - The time span in milliseconds.IllegalArgumentException - This exception is thrown when values
beyond the allowed [0,1] range are passed inpublic BezierInterpolator(double[][] controlPoints)
controlPoints - The control points of the bezier path. Must include
the first and the last control point. The curve must be in the range [0,1].public BezierInterpolator(double[][] controlPoints,
boolean reverse,
long timespan)
controlPoints - The control points of the bezier path. Must include
the first and the last control point. The curve must be in the range [0,1].public Point2D.Float getXY(float t, Point2D.Float xy)
getXY in class AbstractSplineInterpolatorpublic float getY(float t)
getY in class AbstractSplineInterpolatorCopyright © 2014. All Rights Reserved.