Package org.scilab.forge.scirenderer.implementation.g2d.motor

Class Triangle

java.lang.Object

org.scilab.forge.scirenderer.implementation.g2d.motor.AbstractDrawable3DObject

org.scilab.forge.scirenderer.implementation.g2d.motor.ConvexObject

org.scilab.forge.scirenderer.implementation.g2d.motor.Triangle

public class Triangle
extends ConvexObject

Author:

Calixte DENIZET

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<Segment>	segments

Fields inherited from class org.scilab.forge.scirenderer.implementation.g2d.motor.AbstractDrawable3DObject

bbox, colors, degenerated, is2d, marked, marked2, normal, nv0v1, precedence, PRECISION, v0, v0v1, v1, vertices, zindex

Constructor Summary

Constructors

Constructor	Description
Triangle(Vector3d[] vertices, java.awt.Color[] colors)
Triangle(Vector3d[] vertices, java.awt.Color[] colors, Vector3d normal)
Triangle(Vector3d[] vertices, Vector3d[] textureCoords, java.awt.image.BufferedImage image, Texture.Filter filter)

Method Summary

Modifier and Type	Method	Description
boolean	addSegment(Segment s)
protected static java.util.List<ConvexObject>	breakIntersectingTriangles(Triangle t1, Triangle t2)	Get the broken triangles in following the intersection of the planes containing t1 and t2.
java.util.List<ConvexObject>	breakObject(ConvexObject o)	Abstract method Break this ConvexObject against the ConvexObject o
java.util.List<ConvexObject>	breakObject(Segment o)
java.util.List<ConvexObject>	breakObject(Triangle o)
java.util.List<ConvexObject>	breakObject(Vector4d v)	Abstract method Break this ConvexObject against a plane
protected static java.util.List<ConvexObject>	breakSegmentOnTriangle(Triangle t, Segment s)
protected static java.util.List<ConvexObject>	breakTriangleOnLine(Triangle t, Vector3d p, Vector3d n)	Break a triangle according to its intersection with a line containing p in the plane of the triangle and orthogonal to n The triangle and the line are supposed to be coplanar.
void	draw(java.awt.Graphics2D g2d)	Draw this object on a Graphics2D object
protected double	getSegmentIntersection(Segment s)
protected SpritedRectangle	getSprite()
int	isBehind(ConvexObject o)	Check if o is behind this.
protected boolean	isCoplanar(Segment s)
protected boolean	isCoplanar(Triangle t)
boolean	isIn2D()
protected boolean	isPointInside(Vector3d v)
protected boolean	isPointInside(Vector3d v, boolean checkCoplanarity)
protected boolean	isSegmentAcross(Segment s)
protected boolean	isSegmentInside(Segment s)
protected boolean	isSegmentIntersects(Segment s)
boolean	pointOnVertices(Vector3d p)
void	removeSegment(Segment s)
void	replaceSegment(Segment s, java.util.List<Segment> segs)
protected void	setSprite(SpritedRectangle sprite)
java.lang.String	toString()

Methods inherited from class org.scilab.forge.scirenderer.implementation.g2d.motor.ConvexObject

addArea, areCoplanar, check, check2DIntersection, check2DTrueIntersection, drawAreas

Methods inherited from class org.scilab.forge.scirenderer.implementation.g2d.motor.AbstractDrawable3DObject

getColorsBarycenter, getNormal, getPrecedence, getProjectedContour, getProjectedPolyLine, getProvidedNormal, is2D, isBehind, isBehind, isDegenerate, isEqual, isGreaterOrEqual, isLowerOrEqual, isMonochromatic, isNanOrInf, isNanOrInf, isNegativeOrNull, isNull, isPlanar, isPositiveOrNull, minmax2D, minmax3D, resetDefaultPrecedence, setNormal, setPrecedence

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

segments

protected java.util.List<Segment> segments

Constructor Detail

Triangle

public Triangle(Vector3d[] vertices,
                java.awt.Color[] colors,
                Vector3d normal)
         throws InvalidPolygonException

Throws:

InvalidPolygonException

Triangle

public Triangle(Vector3d[] vertices,
                java.awt.Color[] colors)
         throws InvalidPolygonException

Throws:

InvalidPolygonException

Triangle

public Triangle(Vector3d[] vertices,
                Vector3d[] textureCoords,
                java.awt.image.BufferedImage image,
                Texture.Filter filter)
         throws InvalidPolygonException

Throws:

InvalidPolygonException

Method Detail

isBehind

public int isBehind(ConvexObject o)

Description copied from class: ConvexObject

Check if o is behind this. Take care: the algorithms used are for convex objects (typically tri-tri, seg-seg or tri-seg)

Overrides:

isBehind in class ConvexObject

Returns:

true if o is behind this

isIn2D

public boolean isIn2D()

addSegment

public boolean addSegment(Segment s)

pointOnVertices

public boolean pointOnVertices(Vector3d p)

removeSegment

public void removeSegment(Segment s)

replaceSegment

public void replaceSegment(Segment s,
                           java.util.List<Segment> segs)

breakObject

public java.util.List<ConvexObject> breakObject(ConvexObject o)

Description copied from class: ConvexObject

Abstract method Break this ConvexObject against the ConvexObject o

Specified by:

breakObject in class ConvexObject

Parameters:

o - a ConvexObject

Returns:

a list of ConvexObject.

breakObject

public java.util.List<ConvexObject> breakObject(Triangle o)

breakObject

public java.util.List<ConvexObject> breakObject(Segment o)

setSprite

protected void setSprite(SpritedRectangle sprite)

getSprite

protected SpritedRectangle getSprite()

draw

public void draw(java.awt.Graphics2D g2d)

Description copied from class: AbstractDrawable3DObject

Draw this object on a Graphics2D object

Specified by:

draw in class AbstractDrawable3DObject

Parameters:

g2d - the Graphics2d object where to draw

breakObject

public java.util.List<ConvexObject> breakObject(Vector4d v)

Description copied from class: ConvexObject

Abstract method Break this ConvexObject against a plane

Specified by:

breakObject in class ConvexObject

Parameters:

v - plane definition

Returns:

a list of ConvexObject.

isPointInside

protected boolean isPointInside(Vector3d v)

isPointInside

protected boolean isPointInside(Vector3d v,
                                boolean checkCoplanarity)

isCoplanar

protected boolean isCoplanar(Segment s)

isCoplanar

protected boolean isCoplanar(Triangle t)

isSegmentAcross

protected boolean isSegmentAcross(Segment s)

isSegmentInside

protected boolean isSegmentInside(Segment s)

isSegmentIntersects

protected boolean isSegmentIntersects(Segment s)

getSegmentIntersection

protected double getSegmentIntersection(Segment s)

breakSegmentOnTriangle

protected static java.util.List<ConvexObject> breakSegmentOnTriangle(Triangle t,
                                                                     Segment s)

breakTriangleOnLine

protected static java.util.List<ConvexObject> breakTriangleOnLine(Triangle t,
                                                                  Vector3d p,
                                                                  Vector3d n)

Break a triangle according to its intersection with a line containing p in the plane of the triangle and orthogonal to n The triangle and the line are supposed to be coplanar.

Parameters:

t - the triangle to break

p - a point of the line

n - a vector

Returns:

a list of triangles

breakIntersectingTriangles

protected static java.util.List<ConvexObject> breakIntersectingTriangles(Triangle t1,
                                                                         Triangle t2)

Get the broken triangles in following the intersection of the planes containing t1 and t2. The planes containing t1 and t2 are supposed to be secant.

Parameters:

t1 - the first triangle

t2 - the second triangle

Returns:

an array of length 2 containing the resulting triangles for t1 and t2.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object