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Class quicktime.qd3d.math.Point3D

java.lang.Object
   |
   +----quicktime.util.QTByteObject
           |
           +----quicktime.qd3d.math.Point3D

public final class Point3D

extends QTByteObject

implements QuickTimeLib, QuickDraw3DLib, Cloneable

kNativeSize

This is the size (the number of bytes) that are required for this class

Point3D()

Creates a Point3D object containing no data.

Point3D(float, float, float)

Creates a Point3D object containing with given data.

add(Vector3D)

Returns the three-dimensional point that is the result of adding the vector vector3D to this.

clone()

Returns a copy of this object.

cross(Point3D, Point3D)

Returns the cross product of the two vectors determined by subtracting point2 from this and point3 from this

QuickDraw3D::Q3Point3D_CrossProductTri

distance(Point3D)

Returns the absolute value of the distance between points this and p2.

distanceSquared(Point3D)

Returns the squared value of the distance between points this and p2.

getEndianDescriptor()

Returns the EndianDescriptor for this class.

getX()

returns the position in the X direction

getY()

returns the position in the Y direction

getZ()

returns the position in the Z direction

rRatio(Point3D, float, float)

Returns the three-dimensional point that lies on the line segment between the points p1 and p2 and that is at a distance from the first point determined by the ratio r1/(r1 + r2).

setX(float)

sets the position in the X direction

setY(float)

sets the position in the Y direction

setZ(float)

sets the position in the Z direction

subtract(Point3D)

Returns a three-dimensional vector that is the result of subtracting the point p2 from p1.

subtract(Vector3D)

Returns the three-dimensional point that is the result of subtracting the vector vector3D from this.

toString()

Returns a string representation of this object.

transformQuaternion(Quaternion)

Return a three-dimensional point that is the result of transforming the vector specified by the vector parameter using the quaternion specified by the quaternion parameter.

 public static final int kNativeSize

This is the size (the number of bytes) that are required for this class

 public Point3D()

Creates a Point3D object containing no data.

 public Point3D(float x,
                float y,
                float z)

Creates a Point3D object containing with given data.

Parameters:

x - The final x coordinate.

y - The final y coordinate.

z - The final z coordinate.

 public static final EndianDescriptor getEndianDescriptor()

Returns the EndianDescriptor for this class.

Returns:

an EndianDescriptor

 public float getX()

returns the position in the X direction

 public float getY()

returns the position in the Y direction

 public float getZ()

returns the position in the Z direction

 public void setX(float x)

sets the position in the X direction

 public void setY(float y)

sets the position in the Y direction

 public void setZ(float z)

sets the position in the Z direction

 public Vector3D subtract(Point3D p2)

Returns a three-dimensional vector that is the result of subtracting the point p2 from p1.

QuickDraw3D::Q3Point3D_Subtract

Parameters:

p2 - A three-dimensional point

Returns:

a three-dimensional vector that is the result of subtracting the point p2 from p1.

 public float distance(Point3D p2)

Returns the absolute value of the distance between points this and p2.

QuickDraw3D::Q3Point3D_Distance

Parameters:

p2 - A three-dimensional point

Returns:

the distance

 public float distanceSquared(Point3D p2)

Returns the squared value of the distance between points this and p2.

QuickDraw3D::Q3Point3D_DistanceSquared

Parameters:

p2 - A three-dimensional point

Returns:

the distance

 public Point3D rRatio(Point3D p2,
                       float r1,
                       float r2)

Returns the three-dimensional point that lies on the line segment between the points p1 and p2 and that is at a distance from the first point determined by the ratio r1/(r1 + r2).

QuickDraw3D::Q3Point3D_RRatio

Parameters:

p2 - A three-dimensional point.

r1 - A floating-point number.

r2 - A floating-point number.

Returns:

a 3DPoint

 public Point3D add(Vector3D vector3D)

Returns the three-dimensional point that is the result of adding the vector vector3D to this.

QuickDraw3D::Q3Point3D_Vector3D_Add

Parameters:

vector3D - A three-dimensional vector.

Returns:

a three-dimensional point

 public Point3D subtract(Vector3D vector3D)

Returns the three-dimensional point that is the result of subtracting the vector vector3D from this.

QuickDraw3D::Q3Point3D_Vector3D_Subtract

Parameters:

vector3D - A three-dimensional vector.

Returns:

a three-dimensional point

 public Vector3D cross(Point3D point2,
                       Point3D point3)

Returns the cross product of the two vectors determined by subtracting point2 from this and point3 from this

QuickDraw3D::Q3Point3D_CrossProductTri

Parameters:

point2 - A three-dimensional point.

point3 - A three-dimensional point.

Returns:

a vector

 public Point3D transformQuaternion(Quaternion quaternion)

Return a three-dimensional point that is the result of transforming the vector specified by the vector parameter using the quaternion specified by the quaternion parameter.

QuickDraw3D::Q3Point3D_TransformQuaternion

Parameters:

quaternion - A quaternion.

Returns:

a three-dimensional point

 public Object clone()

Returns a copy of this object.

Overrides:

clone in class Object

 public String toString()

Returns a string representation of this object.

Overrides:

toString in class QTByteObject

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