Package javax.vecmath
Class Vector4f
- java.lang.Object
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- javax.vecmath.Tuple4f
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- javax.vecmath.Vector4f
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- All Implemented Interfaces:
Serializable
,Cloneable
public class Vector4f extends Tuple4f implements Serializable
A 4-element vector represented by single-precision floating point x,y,z,w coordinates.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Vector4f()
Constructs and initializes a Vector4f to (0,0,0,0).Vector4f(float[] v)
Constructs and initializes a Vector4f from the array of length 4.Vector4f(float x, float y, float z, float w)
Constructs and initializes a Vector4f from the specified xyzw coordinates.Vector4f(Tuple3f t1)
Constructs and initializes a Vector4f from the specified Tuple3f.Vector4f(Tuple4d t1)
Constructs and initializes a Vector4f from the specified Tuple4d.Vector4f(Tuple4f t1)
Constructs and initializes a Vector4f from the specified Tuple4f.Vector4f(Vector4d v1)
Constructs and initializes a Vector4f from the specified Vector4d.Vector4f(Vector4f v1)
Constructs and initializes a Vector4f from the specified Vector4f.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description float
angle(Vector4f 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].float
dot(Vector4f v1)
returns the dot product of this vector and v1float
length()
Returns the length of this vector.float
lengthSquared()
Returns the squared length of this vectorvoid
normalize()
Normalizes this vector in place.void
normalize(Vector4f v1)
Sets the value of this vector to the normalization of vector v1.void
set(Tuple3f t1)
Sets the x,y,z components of this vector to the corresponding components of tuple t1.-
Methods inherited from class javax.vecmath.Tuple4f
absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getW, getX, getY, getZ, hashCode, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, set, set, set, set, setW, setX, setY, setZ, sub, sub, toString
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Constructor Detail
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Vector4f
public Vector4f(float x, float y, float z, float w)
Constructs and initializes a Vector4f from the specified xyzw coordinates.- Parameters:
x
- the x coordinatey
- the y coordinatez
- the z coordinatew
- the w coordinate
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Vector4f
public Vector4f(float[] v)
Constructs and initializes a Vector4f from the array of length 4.- Parameters:
v
- the array of length 4 containing xyzw in order
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Vector4f
public Vector4f(Vector4f v1)
Constructs and initializes a Vector4f from the specified Vector4f.- Parameters:
v1
- the Vector4f containing the initialization x y z w data
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Vector4f
public Vector4f(Vector4d v1)
Constructs and initializes a Vector4f from the specified Vector4d.- Parameters:
v1
- the Vector4d containing the initialization x y z w data
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Vector4f
public Vector4f(Tuple4f t1)
Constructs and initializes a Vector4f from the specified Tuple4f.- Parameters:
t1
- the Tuple4f containing the initialization x y z w data
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Vector4f
public Vector4f(Tuple4d t1)
Constructs and initializes a Vector4f from the specified Tuple4d.- Parameters:
t1
- the Tuple4d containing the initialization x y z w data
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Vector4f
public Vector4f(Tuple3f t1)
Constructs and initializes a Vector4f from the specified Tuple3f. 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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Vector4f
public Vector4f()
Constructs and initializes a Vector4f to (0,0,0,0).
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Method Detail
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set
public final void set(Tuple3f 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 float length()
Returns the length of this vector.- Returns:
- the length of this vector as a float
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lengthSquared
public final float lengthSquared()
Returns the squared length of this vector- Returns:
- the squared length of this vector as a float
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dot
public final float dot(Vector4f v1)
returns the dot product of this vector and v1- Parameters:
v1
- the other vector- Returns:
- the dot product of this vector and v1
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normalize
public final void normalize(Vector4f 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 float angle(Vector4f 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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