edu.jhu.ece.iacl.jist.structures.geom
Class CollisionDetection

java.lang.Object
  edu.jhu.ece.iacl.jist.structures.geom.CollisionDetection

public class CollisionDetection
extends java.lang.Object

The Class CollisionDetection.

Nested Class Summary

static class

CollisionDetection.Triangle The Class Triangle.

Field Summary

protected double[]	bounds The bounds.
protected Vector3d	center The center.
protected double[]	limits The limits.
protected Vector3d	scale The scale.

Constructor Summary

CollisionDetection(EmbeddedSurface mesh, int rows, int cols, int slices, int maxDepth)
Instantiates a new collision detection.

Method Summary

void	computeBounds(EmbeddedSurface mesh) Compute bounds.
void	dispose() Dispose.
void	init(EmbeddedSurface mesh) Inits the.
double	intersectRayDistance(Point3d start, Vector3d dir) Intersect ray distance.
Point3d	intersectRayPoint(Point3d start, Vector3d dir) Intersect ray point.
Point3f	intersectRayPoint(Point3f start, Vector3f dir) Intersect ray point.
double	intersectSegmentDistance(Point3d start, Point3d end) Intersect segment distance.
Point3d	intersectSegmentPoint(Point3d start, Point3d end) Intersect segment point.
Point3f	intersectSegmentPoint(Point3f start, Point3f end) Intersect segment point.
boolean	isInside(Point3d start) Checks if is inside.
Point3d	projectToSurface(Point3d p) Project to surface.
void	setBounds(double[] limits) Sets the bounds.

Methods inherited from class java.lang.Object

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

Field Detail

bounds

protected double[] bounds

The bounds.

limits

protected double[] limits

The limits.

center

protected Vector3d center

The center.

scale

protected Vector3d scale

The scale.

Constructor Detail

CollisionDetection

public CollisionDetection(EmbeddedSurface mesh,
                          int rows,
                          int cols,
                          int slices,
                          int maxDepth)

Instantiates a new collision detection.

Parameters:

mesh - the mesh

rows - the rows

cols - the cols

slices - the slices

maxDepth - the max depth

Method Detail

dispose

public void dispose()

Dispose.

init

public void init(EmbeddedSurface mesh)

Inits the.

Parameters:

mesh - the mesh

setBounds

public void setBounds(double[] limits)

Sets the bounds.

Parameters:

limits - the new bounds

computeBounds

public void computeBounds(EmbeddedSurface mesh)

Compute bounds.

Parameters:

mesh - the mesh

intersectSegmentPoint

public Point3d intersectSegmentPoint(Point3d start,
                                     Point3d end)

Intersect segment point.

Parameters:

start - the start

end - the end

Returns:

the point3d

intersectSegmentPoint

public Point3f intersectSegmentPoint(Point3f start,
                                     Point3f end)

Intersect segment point.

Parameters:

start - the start

end - the end

Returns:

the point3f

intersectRayPoint

public Point3d intersectRayPoint(Point3d start,
                                 Vector3d dir)

Intersect ray point.

Parameters:

start - the start

dir - the dir

Returns:

the point3d

intersectRayPoint

public Point3f intersectRayPoint(Point3f start,
                                 Vector3f dir)

Intersect ray point.

Parameters:

start - the start

dir - the dir

Returns:

the point3f

projectToSurface

public Point3d projectToSurface(Point3d p)

Project to surface.

Parameters:

p - the p

Returns:

the point3d

intersectSegmentDistance

public double intersectSegmentDistance(Point3d start,
                                       Point3d end)

Intersect segment distance.

Parameters:

start - the start

end - the end

Returns:

the double

intersectRayDistance

public double intersectRayDistance(Point3d start,
                                   Vector3d dir)

Intersect ray distance.

Parameters:

start - the start

dir - the dir

Returns:

the double

isInside

public boolean isInside(Point3d start)

Checks if is inside.

Parameters:

start - the start

Returns:

true, if is inside