Package javax.vecmath
Class Vector4d
- java.lang.Object
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- javax.vecmath.Tuple4d
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- javax.vecmath.Vector4d
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Cloneable
public class Vector4d extends Tuple4d implements java.io.Serializable
A 4-element vector represented by double-precision floating point x,y,z,w coordinates.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Vector4d()
Constructs and initializes a Vector4d to (0,0,0,0).Vector4d(double[] v)
Constructs and initializes a Vector4d from the coordinates contained in the array.Vector4d(double x, double y, double z, double w)
Constructs and initializes a Vector4d from the specified xyzw coordinates.Vector4d(Tuple3d t1)
Constructs and initializes a Vector4d from the specified Tuple3d.Vector4d(Tuple4d t1)
Constructs and initializes a Vector4d from the specified Tuple4d.Vector4d(Tuple4f t1)
Constructs and initializes a Vector4d from the specified Tuple4f.Vector4d(Vector4d v1)
Constructs and initializes a Vector4d from the specified Vector4d.Vector4d(Vector4f v1)
Constructs and initializes a Vector4d from the specified Vector4f.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
angle(Vector4d v1)
Returns the (4-space) angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].double
dot(Vector4d v1)
Returns the dot product of this vector and vector v1.double
length()
Returns the length of this vector.double
lengthSquared()
Returns the squared length of this vector.void
normalize()
Normalizes this vector in place.void
normalize(Vector4d v1)
Sets the value of this vector to the normalization of vector v1.void
set(Tuple3d t1)
Sets the x,y,z components of this vector to the corresponding components of tuple t1.-
Methods inherited from class javax.vecmath.Tuple4d
absolute, absolute, add, add, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getW, getX, getY, getZ, hashCode, interpolate, interpolate, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, scaleAdd, set, set, set, set, setW, setX, setY, setZ, sub, sub, toString
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Constructor Detail
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Vector4d
public Vector4d(double x, double y, double z, double w)
Constructs and initializes a Vector4d from the specified xyzw coordinates.- Parameters:
x
- the x coordinatey
- the y coordinatez
- the z coordinatew
- the w coordinate
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Vector4d
public Vector4d(double[] v)
Constructs and initializes a Vector4d from the coordinates contained in the array.- Parameters:
v
- the array of length 4 containing xyzw in order
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Vector4d
public Vector4d(Vector4d v1)
Constructs and initializes a Vector4d from the specified Vector4d.- Parameters:
v1
- the Vector4d containing the initialization x y z w data
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Vector4d
public Vector4d(Vector4f v1)
Constructs and initializes a Vector4d from the specified Vector4f.- Parameters:
v1
- the Vector4f containing the initialization x y z w data
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Vector4d
public Vector4d(Tuple4f t1)
Constructs and initializes a Vector4d from the specified Tuple4f.- Parameters:
t1
- the Tuple4f containing the initialization x y z w data
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Vector4d
public Vector4d(Tuple4d t1)
Constructs and initializes a Vector4d from the specified Tuple4d.- Parameters:
t1
- the Tuple4d containing the initialization x y z w data
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Vector4d
public Vector4d(Tuple3d t1)
Constructs and initializes a Vector4d from the specified Tuple3d. The x,y,z components of this vector are set to the corresponding components of tuple t1. The w component of this vector is set to 0.- Parameters:
t1
- the tuple to be copied- Since:
- vecmath 1.2
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Vector4d
public Vector4d()
Constructs and initializes a Vector4d to (0,0,0,0).
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Method Detail
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set
public final void set(Tuple3d t1)
Sets the x,y,z components of this vector to the corresponding components of tuple t1. The w component of this vector is set to 0.- Parameters:
t1
- the tuple to be copied- Since:
- vecmath 1.2
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length
public final double length()
Returns the length of this vector.- Returns:
- the length of this vector
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lengthSquared
public final double lengthSquared()
Returns the squared length of this vector.- Returns:
- the squared length of this vector
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dot
public final double dot(Vector4d v1)
Returns the dot product of this vector and vector v1.- Parameters:
v1
- the other vector- Returns:
- the dot product of this vector and vector v1
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normalize
public final void normalize(Vector4d v1)
Sets the value of this vector to the normalization of vector v1.- Parameters:
v1
- the un-normalized vector
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normalize
public final void normalize()
Normalizes this vector in place.
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angle
public final double angle(Vector4d v1)
Returns the (4-space) angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].- Parameters:
v1
- the other vector- Returns:
- the angle in radians in the range [0,PI]
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