Triangle (jMonkeyEngine3)

java.lang.Object
- com.jme3.math.AbstractTriangle
- - com.jme3.math.Triangle

All Implemented Interfaces:

Collidable, Savable, java.io.Serializable, java.lang.Cloneable
```
public class Triangle
extends AbstractTriangle
implements Savable, java.lang.Cloneable, java.io.Serializable
```
Triangle defines an object for containing triangle information. The triangle is defined by a collection of three Vector3f objects.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description
`Triangle()` Instantiate a zero-size Triangle at the origin.
`Triangle(Vector3f p1, Vector3f p2, Vector3f p3)` Constructor instantiates a new `Triangle` object with the supplied vectors as the points.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`calculateCenter()` calculateCenter finds the average point of the triangle.
`void`	`calculateNormal()` calculateNormal generates the normal for this triangle
`Triangle`	`clone()`
`static Vector3f`	`computeTriangleNormal(Vector3f v1, Vector3f v2, Vector3f v3, Vector3f store)`
`Vector3f`	`get(int i)` `get` retrieves a point on the triangle denoted by the index supplied.
`Vector3f`	`get1()` Access the location of the 1st point (A).
`Vector3f`	`get2()` Access the location of the 2nd point (B).
`Vector3f`	`get3()` Access the location of the 3rd point (C).
`Vector3f`	`getCenter()` obtains the center point of this triangle (average of the three triangles)
`int`	`getIndex()` obtains an index that this triangle represents if it is contained in a OBBTree.
`Vector3f`	`getNormal()` obtains the unit length normal vector of this triangle, if set or calculated
`float`	`getProjection()` obtains the projection of the vertices relative to the line origin.
`void`	`read(JmeImporter e)`
`void`	`set(int i, float x, float y, float z)` `set` alters the location of one of the triangle's points.
`void`	`set(int i, Vector3f point)` `set` sets one of the triangle's points to that specified as a parameter.
`void`	`set(Vector3f v1, Vector3f v2, Vector3f v3)` `set` alters the locations of all 3 points.
`void`	`set1(Vector3f v)` `set1` alters the location of the triangle's 1st point.
`void`	`set2(Vector3f v)` `set2` alters the location of the triangle's 2nd point.
`void`	`set3(Vector3f v)` `set3` alters the location of the triangle's 3rd point.
`void`	`setCenter(Vector3f center)` sets the center point of this triangle (average of the three triangles)
`void`	`setIndex(int index)` sets an index that this triangle represents if it is contained in a OBBTree.
`void`	`setNormal(Vector3f normal)` sets the normal vector of this triangle (to conform, must be unit length)
`void`	`setProjection(float projection)` sets the projection of the vertices relative to the line origin.
`void`	`write(JmeExporter e)`

Methods inherited from class com.jme3.math.AbstractTriangle
collideWith

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Triangle
```
public Triangle()
```
    Instantiate a zero-size Triangle at the origin.
  - Triangle
```
public Triangle(Vector3f p1,
                Vector3f p2,
                Vector3f p3)
```
    Constructor instantiates a new Triangle object with the supplied vectors as the points. It is recommended that the vertices be supplied in a counter clockwise winding to support normals for a right handed coordinate system.
    
    Parameters:
    
    p1 - the first point of the triangle.
    
    p2 - the second point of the triangle.
    
    p3 - the third point of the triangle.
- Method Detail
  - get
```
public Vector3f get(int i)
```
    get retrieves a point on the triangle denoted by the index supplied.
    
    Parameters:
    
    i - the index of the point (0, 1, or 2)
    
    Returns:
    
    a pre-existing location vector
  - get1
```
public Vector3f get1()
```
    Access the location of the 1st point (A).
    
    Specified by:
    
    get1 in class AbstractTriangle
    
    Returns:
    
    the pre-existing vector (not null)
  - get2
```
public Vector3f get2()
```
    Access the location of the 2nd point (B).
    
    Specified by:
    
    get2 in class AbstractTriangle
    
    Returns:
    
    the pre-existing vector (not null)
  - get3
```
public Vector3f get3()
```
    Access the location of the 3rd point (C).
    
    Specified by:
    
    get3 in class AbstractTriangle
    
    Returns:
    
    the pre-existing vector (not null)
  - set
```
public void set(int i,
                Vector3f point)
```
    set sets one of the triangle's points to that specified as a parameter.
    
    Parameters:
    
    i - the index to place the point (0, 1, or 2)
    
    point - the desired location of the point (not null, unaffected)
  - set
```
public void set(int i,
                float x,
                float y,
                float z)
```
    set alters the location of one of the triangle's points.
    
    Parameters:
    
    i - the index to place the point (0, 1, or 2)
    
    x - the desired X-component of the point's location
    
    y - the desired Y-component of the point's location
    
    z - the desired Z-component of the point's location
  - set1
```
public void set1(Vector3f v)
```
    set1 alters the location of the triangle's 1st point.
    
    Parameters:
    
    v - the desired location (not null, unaffected)
  - set2
```
public void set2(Vector3f v)
```
    set2 alters the location of the triangle's 2nd point.
    
    Parameters:
    
    v - the desired location (not null, unaffected)
  - set3
```
public void set3(Vector3f v)
```
    set3 alters the location of the triangle's 3rd point.
    
    Parameters:
    
    v - the desired location (not null, unaffected)
  - set
```
public void set(Vector3f v1,
                Vector3f v2,
                Vector3f v3)
```
    set alters the locations of all 3 points.
    
    Specified by:
    
    set in class AbstractTriangle
    
    Parameters:
    
    v1 - the desired location of the 1st point (not null, unaffected)
    
    v2 - the desired location of the 2nd point (not null, unaffected)
    
    v3 - the desired location of the 3rd point (not null, unaffected)
  - calculateCenter
```
public void calculateCenter()
```
    calculateCenter finds the average point of the triangle.
  - calculateNormal
```
public void calculateNormal()
```
    calculateNormal generates the normal for this triangle
  - getCenter
```
public Vector3f getCenter()
```
    obtains the center point of this triangle (average of the three triangles)
    
    Returns:
    
    the center point.
  - setCenter
```
public void setCenter(Vector3f center)
```
    sets the center point of this triangle (average of the three triangles)
    
    Parameters:
    
    center - the center point.
  - getNormal
```
public Vector3f getNormal()
```
    obtains the unit length normal vector of this triangle, if set or calculated
    
    Returns:
    
    the normal vector
  - setNormal
```
public void setNormal(Vector3f normal)
```
    sets the normal vector of this triangle (to conform, must be unit length)
    
    Parameters:
    
    normal - the normal vector.
  - getProjection
```
public float getProjection()
```
    obtains the projection of the vertices relative to the line origin.
    
    Returns:
    
    the projection of the triangle.
  - setProjection
```
public void setProjection(float projection)
```
    sets the projection of the vertices relative to the line origin.
    
    Parameters:
    
    projection - the projection of the triangle.
  - getIndex
```
public int getIndex()
```
    obtains an index that this triangle represents if it is contained in a OBBTree.
    
    Returns:
    
    the index in an OBBtree
  - setIndex
```
public void setIndex(int index)
```
    sets an index that this triangle represents if it is contained in a OBBTree.
    
    Parameters:
    
    index - the index in an OBBtree
  - computeTriangleNormal
```
public static Vector3f computeTriangleNormal(Vector3f v1,
                                             Vector3f v2,
                                             Vector3f v3,
                                             Vector3f store)
```
  - write
```
public void write(JmeExporter e)
           throws java.io.IOException
```
    Specified by:
    
    write in interface Savable
    
    Throws:
    
    java.io.IOException
  - read
```
public void read(JmeImporter e)
          throws java.io.IOException
```
    Specified by:
    
    read in interface Savable
    
    Throws:
    
    java.io.IOException
  - clone
```
public Triangle clone()
```
    Overrides:
    
    clone in class java.lang.Object

Class Triangle

Constructor Summary

Method Summary

Methods inherited from class com.jme3.math.AbstractTriangle

Methods inherited from class java.lang.Object

Constructor Detail

Triangle

Triangle

Method Detail

get

get1

get2

get3

set

set

set1

set2

set3

set

calculateCenter

calculateNormal

getCenter

setCenter

getNormal

setNormal

getProjection

setProjection

getIndex

setIndex

computeTriangleNormal

write

read

clone