Package javax.vecmath
Class Vector2f
- java.lang.Object
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- javax.vecmath.Tuple2f
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- javax.vecmath.Vector2f
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- All Implemented Interfaces:
Serializable
,Cloneable
public class Vector2f extends Tuple2f implements Serializable
A 2-element vector that is represented by single-precision floating point x,y coordinates.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Vector2f()
Constructs and initializes a Vector2f to (0,0).Vector2f(float[] v)
Constructs and initializes a Vector2f from the specified array.Vector2f(float x, float y)
Constructs and initializes a Vector2f from the specified xy coordinates.Vector2f(Tuple2d t1)
Constructs and initializes a Vector2f from the specified Tuple2d.Vector2f(Tuple2f t1)
Constructs and initializes a Vector2f from the specified Tuple2f.Vector2f(Vector2d v1)
Constructs and initializes a Vector2f from the specified Vector2d.Vector2f(Vector2f v1)
Constructs and initializes a Vector2f from the specified Vector2f.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description float
angle(Vector2f v1)
Returns the angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].float
dot(Vector2f v1)
Computes the dot product of the this vector and vector v1.float
length()
Returns the length of this vector.float
lengthSquared()
Returns the squared length of this vector.void
normalize()
Normalizes this vector in place.void
normalize(Vector2f v1)
Sets the value of this vector to the normalization of vector v1.-
Methods inherited from class javax.vecmath.Tuple2f
absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, getX, getY, hashCode, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, set, set, set, set, setX, setY, sub, sub, toString
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Constructor Detail
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Vector2f
public Vector2f(float x, float y)
Constructs and initializes a Vector2f from the specified xy coordinates.- Parameters:
x
- the x coordinatey
- the y coordinate
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Vector2f
public Vector2f(float[] v)
Constructs and initializes a Vector2f from the specified array.- Parameters:
v
- the array of length 2 containing xy in order
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Vector2f
public Vector2f(Vector2f v1)
Constructs and initializes a Vector2f from the specified Vector2f.- Parameters:
v1
- the Vector2f containing the initialization x y data
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Vector2f
public Vector2f(Vector2d v1)
Constructs and initializes a Vector2f from the specified Vector2d.- Parameters:
v1
- the Vector2d containing the initialization x y data
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Vector2f
public Vector2f(Tuple2f t1)
Constructs and initializes a Vector2f from the specified Tuple2f.- Parameters:
t1
- the Tuple2f containing the initialization x y data
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Vector2f
public Vector2f(Tuple2d t1)
Constructs and initializes a Vector2f from the specified Tuple2d.- Parameters:
t1
- the Tuple2d containing the initialization x y data
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Vector2f
public Vector2f()
Constructs and initializes a Vector2f to (0,0).
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Method Detail
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dot
public final float dot(Vector2f v1)
Computes the dot product of the this vector and vector v1.- Parameters:
v1
- the other vector
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length
public final float length()
Returns the length of this vector.- Returns:
- the length of this vector
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lengthSquared
public final float lengthSquared()
Returns the squared length of this vector.- Returns:
- the squared length of this vector
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normalize
public final void normalize(Vector2f 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(Vector2f v1)
Returns the 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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