crystalspace.jbind.impl.csgeom.transfrm
Class csTransform

java.lang.Object
  crystalspace.jbind.impl.csNativeObject
      crystalspace.jbind.impl.csgeom.transfrm.csTransform

All Implemented Interfaces:

iPointer

Direct Known Subclasses:

csOrthoTransform, csReversibleTransform

public class csTransform

extends csNativeObject

A class which defines a transformation from one coordinate system to another.

Author:

Quentin Anciaux

Field Summary

Fields inherited from class crystalspace.jbind.impl.csNativeObject

ImplFactory, nPointer

Constructor Summary

csTransform()
Initialize with the identity transformation.

csTransform(csMatrix3 other2this, csVector3 origin_pos)
Initialize with the given transformation.

csTransform(iPointer nPointer)
Create a java csTransform object which points to the native csTransform nPointer.

Method Summary

csMatrix3	getO2T() Get 'other' to 'this' transformation matrix.
csVector3	getO2TTranslation() Get 'world' to 'this' translation.
csVector3	getOrigin() Get origin of transformed coordinate system.
static csTransform	getReflect(csPlane3 pl) Return a transform that represents a mirroring across a plane.
void	identity() Reset this transform to the identity transform.
boolean	isIdentity() Returns true if this transform is an identity transform.
protected boolean	isNativePointerValidSafe(long nPointer)
static csMatrix3	mul(csMatrix3 m, csTransform t) Multiply a matrix with the transformation matrix.
static csPlane3	mul(csPlane3 p, csTransform t) Apply a transformation to a Plane.
static csSphere	mul(csSphere s, csTransform t) Apply a transformation to a sphere.
static csMatrix3	mul(csTransform t, csMatrix3 m) Multiply a matrix with the transformation matrix.
static csPlane3	mul(csTransform t, csPlane3 p) Apply a transformation to a Plane.
static csTransform	mul(csTransform t1, csReversibleTransform t2) Combine two transforms, rightmost first.
static csSphere	mul(csTransform t, csSphere s) Apply a transformation to a sphere.
static csVector3	mul(csTransform t, csVector3 v) Apply a transformation to a 3D vector.
static csVector3	mul(csVector3 v, csTransform t) Apply a transformation to a 3D vector.
static csMatrix3	mule(csMatrix3 m, csTransform t) Multiply a matrix with the transformation matrix.
static csPlane3	mule(csPlane3 p, csTransform t) Apply a transformation to a Plane.
static csSphere	mule(csSphere s, csTransform t) Apply a transformation to a sphere.
static csVector3	mule(csVector3 v, csTransform t) Apply a transformation to a 3D vector.
protected void	nDelete(long pointer)
csPlane3	other2This(csPlane3 p) Convert a plane in 'other' space to 'this' space.
void	other2This(csPlane3 p, csVector3 point, csPlane3 result) Convert a plane in 'other' space to 'this' space.
csSphere	other2This(csSphere s) Convert a sphere in 'other' space to 'this' space.
csVector3	other2This(csVector3 v) Transform vector in 'other' space v to a vector in 'this' space.
csPlane3	other2ThisRelative(csPlane3 p) Convert a plane in 'other' space to 'this' space.
csVector3	other2ThisRelative(csVector3 v) Convert vector v in 'other' space to a vector in 'this' space.
void	setO2T(csMatrix3 m) Set 'other' to 'this' transformation matrix.
void	setO2TTranslation(csVector3 v) Set 'world' to 'this' translation.
void	setOrigin(csVector3 v) Set origin of transformed coordinate system.
void	translate(csVector3 v) Move the 'other' to 'this' translation by a specified amount.

Methods inherited from class crystalspace.jbind.impl.csNativeObject

changePointer, equals, finalize, getPointer, getPointer, getPointerArray, hashCode, isMemoryOwner, isNativePointerValid, newNativeObject, setMemoryOwner, toString

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

csTransform

public csTransform(iPointer nPointer)

Create a java csTransform object which points to the native csTransform nPointer.

Parameters:

nPointer -

csTransform

public csTransform()

Initialize with the identity transformation.

csTransform

public csTransform(csMatrix3 other2this,
                   csVector3 origin_pos)

Initialize with the given transformation.

Parameters:

other2this -

origin_pos -

Method Detail

nDelete

protected void nDelete(long pointer)

Specified by:

nDelete in class csNativeObject

See Also:

csNativeObject.nDelete(long)

isNativePointerValidSafe

protected boolean isNativePointerValidSafe(long nPointer)

Specified by:

isNativePointerValidSafe in class csNativeObject

See Also:

crystalspace.jbind.impl.csNativeObject#isNativePointerValidSafe()

identity

public final void identity()

Reset this transform to the identity transform.

isIdentity

public final boolean isIdentity()

Returns true if this transform is an identity transform.

Returns:

getO2T

public final csMatrix3 getO2T()

Get 'other' to 'this' transformation matrix.

Returns:

getO2TTranslation

public final csVector3 getO2TTranslation()

Get 'world' to 'this' translation.

Returns:

getOrigin

public final csVector3 getOrigin()

Get origin of transformed coordinate system.

Returns:

setOrigin

public final void setOrigin(csVector3 v)

Set origin of transformed coordinate system.

Parameters:

v -

setO2T

public final void setO2T(csMatrix3 m)

Set 'other' to 'this' transformation matrix.

Parameters:

m -

setO2TTranslation

public final void setO2TTranslation(csVector3 v)

Set 'world' to 'this' translation.

Parameters:

v -

translate

public final void translate(csVector3 v)

Move the 'other' to 'this' translation by a specified amount.

Parameters:

v -

other2This

public final csVector3 other2This(csVector3 v)

Transform vector in 'other' space v to a vector in 'this' space.

Parameters:

v -

Returns:

other2ThisRelative

public final csVector3 other2ThisRelative(csVector3 v)

Convert vector v in 'other' space to a vector in 'this' space.

Parameters:

v -

Returns:

other2This

public final csPlane3 other2This(csPlane3 p)

Convert a plane in 'other' space to 'this' space.

Parameters:

p -

Returns:

other2ThisRelative

public final csPlane3 other2ThisRelative(csPlane3 p)

Convert a plane in 'other' space to 'this' space.

Parameters:

p -

Returns:

other2This

public final void other2This(csPlane3 p,
                             csVector3 point,
                             csPlane3 result)

Convert a plane in 'other' space to 'this' space.

Parameters:

p -

point -

result -

other2This

public final csSphere other2This(csSphere s)

Convert a sphere in 'other' space to 'this' space.

Parameters:

s -

Returns:

getReflect

public static final csTransform getReflect(csPlane3 pl)

Return a transform that represents a mirroring across a plane.

Parameters:

pl -

Returns:

mul

public static final csVector3 mul(csVector3 v,
                                  csTransform t)

Apply a transformation to a 3D vector.

Parameters:

v -

t -

Returns:

mul

public static final csVector3 mul(csTransform t,
                                  csVector3 v)

Apply a transformation to a 3D vector.

Parameters:

t -

v -

Returns:

mule

public static final csVector3 mule(csVector3 v,
                                   csTransform t)

Apply a transformation to a 3D vector.

Parameters:

v -

t -

Returns:

mul

public static final csPlane3 mul(csPlane3 p,
                                 csTransform t)

Apply a transformation to a Plane.

Parameters:

p -

t -

Returns:

mul

public static final csPlane3 mul(csTransform t,
                                 csPlane3 p)

Apply a transformation to a Plane.

Parameters:

t -

p -

Returns:

mule

public static final csPlane3 mule(csPlane3 p,
                                  csTransform t)

Apply a transformation to a Plane.

Parameters:

p -

t -

Returns:

mul

public static final csSphere mul(csSphere s,
                                 csTransform t)

Apply a transformation to a sphere.

Parameters:

s -

t -

Returns:

mul

public static final csSphere mul(csTransform t,
                                 csSphere s)

Apply a transformation to a sphere.

Parameters:

t -

s -

Returns:

mule

public static final csSphere mule(csSphere s,
                                  csTransform t)

Apply a transformation to a sphere.

Parameters:

s -

t -

Returns:

mul

public static final csMatrix3 mul(csMatrix3 m,
                                  csTransform t)

Multiply a matrix with the transformation matrix.

Parameters:

m -

t -

Returns:

mul

public static final csMatrix3 mul(csTransform t,
                                  csMatrix3 m)

Multiply a matrix with the transformation matrix.

Parameters:

t -

m -

Returns:

mule

public static final csMatrix3 mule(csMatrix3 m,
                                   csTransform t)

Multiply a matrix with the transformation matrix.

Parameters:

m -

t -

Returns:

mul

public static final csTransform mul(csTransform t1,
                                    csReversibleTransform t2)

Combine two transforms, rightmost first.

Parameters:

t1 -

t2 -

Returns: