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java.lang.Objectorg.graphstream.ui.swingViewer.util.CubicCurve
public class CubicCurve
Utility methods to deal with cubic Bézier curves.
Constructor Summary | |
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CubicCurve()
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Method Summary | |
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static double |
derivative(double x0,
double x1,
double x2,
double x3,
double t)
Derivative of a cubic Bézier curve according to control points `x0`, `x1`, `x2` and `x3` at parametric position `t` of the curve. |
static Point2 |
derivative(Point2 p0,
Point2 p1,
Point2 p2,
Point3 p3,
double t)
Derivative point of a cubic Bézier curve according to control points `x0`, `x1`, `x2` and `x3` at parametric position `t` of the curve. |
static Point2 |
derivative(Point2 p0,
Point2 p1,
Point2 p2,
Point3 p3,
double t,
Point2 result)
Store in `result` the derivative point of a cubic Bézier curve according to control points `x0`, `x1`, `x2` and `x3` at parametric position `t` of the curve. |
static double |
eval(double x0,
double x1,
double x2,
double x3,
double t)
Evaluate a cubic Bézier curve according to control points `x0`, `x1`, `x2` and `x3` and return the position at parametric position `t` of the curve. |
static Point2D.Double |
eval(Point2D.Double p0,
Point2D.Double p1,
Point2D.Double p2,
Point2D.Double p3,
double t)
Evaluate a cubic Bézier curve according to control points `p0`, `p1`, `p2` and `p3` and return the position at parametric position `t` of the curve. |
static Point2 |
eval(Point2 p0,
Point2 p1,
Point2 p2,
Point2 p3,
double t)
Evaluate a cubic Bézier curve according to control points `p0`, `p1`, `p2` and `p3` and return the position at parametric position `t` of the curve. |
static Point2 |
eval(Point2 p0,
Point2 p1,
Point2 p2,
Point2 p3,
double t,
Point2 result)
Evaluate a cubic Bézier curve according to control points `p0`, `p1`, `p2` and `p3` and store the position at parametric position `t` of the curve in `result`. |
static Point2D.Double |
perpendicular(Point2D.Double p0,
Point2D.Double p1,
Point2D.Double p2,
Point2D.Double p3,
double t)
The perpendicular vector to the curve defined by control points `p0`, `p1`, `p2` and `p3` at parametric position `t`. |
static Vector2 |
perpendicular(Point2 p0,
Point2 p1,
Point2 p2,
Point2 p3,
double t)
The perpendicular vector to the curve defined by control points `p0`, `p1`, `p2` and `p3` at parametric position `t`. |
static Vector2 |
perpendicular(Point2 p0,
Point2 p1,
Point2 p2,
Point2 p3,
double t,
Vector2 result)
Store in `result` the perpendicular vector to the curve defined by control points `p0`, `p1`, `p2` and `p3` at parametric position `t`. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CubicCurve()
Method Detail |
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public static double eval(double x0, double x1, double x2, double x3, double t)
public static Point2 eval(Point2 p0, Point2 p1, Point2 p2, Point2 p3, double t)
public static Point2D.Double eval(Point2D.Double p0, Point2D.Double p1, Point2D.Double p2, Point2D.Double p3, double t)
public static Point2 eval(Point2 p0, Point2 p1, Point2 p2, Point2 p3, double t, Point2 result)
public static double derivative(double x0, double x1, double x2, double x3, double t)
public static Point2 derivative(Point2 p0, Point2 p1, Point2 p2, Point3 p3, double t)
public static Point2 derivative(Point2 p0, Point2 p1, Point2 p2, Point3 p3, double t, Point2 result)
public static Vector2 perpendicular(Point2 p0, Point2 p1, Point2 p2, Point2 p3, double t)
public static Vector2 perpendicular(Point2 p0, Point2 p1, Point2 p2, Point2 p3, double t, Vector2 result)
public static Point2D.Double perpendicular(Point2D.Double p0, Point2D.Double p1, Point2D.Double p2, Point2D.Double p3, double t)
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