org.jzy3d.maths

Class Angle2d

java.lang.Object

org.jzy3d.maths.Angle2d

public class Angle2d
extends java.lang.Object

An Angle2d stores three 2d points, considering the angle is on the second one. An instance may return angle(), cos() and sin()

Constructor Summary

Constructors

Constructor and Description
Angle2d(Coord2d p1, Coord2d p2, Coord2d p3) Create an angle, described by three coordinates.
Angle2d(float x1, float y1, float z1, float x2, float y2, float z2, float x3, float y3, float z3) Create an angle, described by three points.

Method Summary

Modifier and Type	Method and Description
float	angle() Computes the angle at vertex p2 between vectors p1,p2 and p3,p2.
float	cos() Computes cosinus of the angle
float	sin() Computes the sinus of the angle, by creating a fourth point on an orthogonal direction.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Angle2d

public Angle2d(float x1,
               float y1,
               float z1,
               float x2,
               float y2,
               float z2,
               float x3,
               float y3,
               float z3)

Create an angle, described by three points.

Angle2d

public Angle2d(Coord2d p1,
               Coord2d p2,
               Coord2d p3)

Create an angle, described by three coordinates.

Method Detail

sin

public float sin()

Computes the sinus of the angle, by creating a fourth point on an orthogonal direction.

cos

public float cos()

Computes cosinus of the angle

angle

public float angle()

Computes the angle at vertex p2 between vectors p1,p2 and p3,p2. Returns 0 to PI radians.