Angle2d (Jzy3d Master Project 2.1.0 API)

java.lang.Object
- org.jzy3d.maths.Angle2d

```
public class Angle2d
extends 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	Description
`Angle2d(float x1, float y1, float x2, float y2, float x3, float y3)`	Create an angle, described by three points.
`Angle2d(Coord2d p1, Coord2d p2, Coord2d p3)`	Create an angle, described by three coordinates.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Angle2d
```
public Angle2d(float x1,
               float y1,
               float x2,
               float y2,
               float x3,
               float y3)
```
    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.