Package javax.vecmath
Class Quat4f
- java.lang.Object
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- javax.vecmath.Tuple4f
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- javax.vecmath.Quat4f
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Cloneable
public class Quat4f extends Tuple4f implements java.io.Serializable
A 4 element unit quaternion represented by single precision floating point x,y,z,w coordinates. The quaternion is always normalized.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Quat4f()
Constructs and initializes a Quat4f to (0.0,0.0,0.0,0.0).Quat4f(float[] q)
Constructs and initializes a Quat4f from the array of length 4.Quat4f(float x, float y, float z, float w)
Constructs and initializes a Quat4f from the specified xyzw coordinates.Quat4f(Quat4d q1)
Constructs and initializes a Quat4f from the specified Quat4d.Quat4f(Quat4f q1)
Constructs and initializes a Quat4f from the specified Quat4f.Quat4f(Tuple4d t1)
Constructs and initializes a Quat4f from the specified Tuple4d.Quat4f(Tuple4f t1)
Constructs and initializes a Quat4f from the specified Tuple4f.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
conjugate()
Sets the value of this quaternion to the conjugate of itself.void
conjugate(Quat4f q1)
Sets the value of this quaternion to the conjugate of quaternion q1.void
interpolate(Quat4f q1, float alpha)
Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.void
interpolate(Quat4f q1, Quat4f q2, float alpha)
Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.void
inverse()
Sets the value of this quaternion to the quaternion inverse of itself.void
inverse(Quat4f q1)
Sets the value of this quaternion to quaternion inverse of quaternion q1.void
mul(Quat4f q1)
Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).void
mul(Quat4f q1, Quat4f q2)
Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2).void
mulInverse(Quat4f q1)
Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion.void
mulInverse(Quat4f q1, Quat4f q2)
Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion.void
normalize()
Normalizes the value of this quaternion in place.void
normalize(Quat4f q1)
Sets the value of this quaternion to the normalized value of quaternion q1.void
set(AxisAngle4d a)
Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.void
set(AxisAngle4f a)
Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.void
set(Matrix3d m1)
Sets the value of this quaternion to the rotational component of the passed matrix.void
set(Matrix3f m1)
Sets the value of this quaternion to the rotational component of the passed matrix.void
set(Matrix4d m1)
Sets the value of this quaternion to the rotational component of the passed matrix.void
set(Matrix4f m1)
Sets the value of this quaternion to the rotational component of the passed matrix.-
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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Quat4f
public Quat4f(float x, float y, float z, float w)
Constructs and initializes a Quat4f from the specified xyzw coordinates.- Parameters:
x
- the x coordinatey
- the y coordinatez
- the z coordinatew
- the w scalar component
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Quat4f
public Quat4f(float[] q)
Constructs and initializes a Quat4f from the array of length 4.- Parameters:
q
- the array of length 4 containing xyzw in order
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Quat4f
public Quat4f(Quat4f q1)
Constructs and initializes a Quat4f from the specified Quat4f.- Parameters:
q1
- the Quat4f containing the initialization x y z w data
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Quat4f
public Quat4f(Quat4d q1)
Constructs and initializes a Quat4f from the specified Quat4d.- Parameters:
q1
- the Quat4d containing the initialization x y z w data
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Quat4f
public Quat4f(Tuple4f t1)
Constructs and initializes a Quat4f from the specified Tuple4f.- Parameters:
t1
- the Tuple4f containing the initialization x y z w data
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Quat4f
public Quat4f(Tuple4d t1)
Constructs and initializes a Quat4f from the specified Tuple4d.- Parameters:
t1
- the Tuple4d containing the initialization x y z w data
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Quat4f
public Quat4f()
Constructs and initializes a Quat4f to (0.0,0.0,0.0,0.0).
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Method Detail
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conjugate
public final void conjugate(Quat4f q1)
Sets the value of this quaternion to the conjugate of quaternion q1.- Parameters:
q1
- the source vector
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conjugate
public final void conjugate()
Sets the value of this quaternion to the conjugate of itself.
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mul
public final void mul(Quat4f q1, Quat4f q2)
Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2). Note that this is safe for aliasing (e.g. this can be q1 or q2).- Parameters:
q1
- the first quaternionq2
- the second quaternion
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mul
public final void mul(Quat4f q1)
Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).- Parameters:
q1
- the other quaternion
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mulInverse
public final void mulInverse(Quat4f q1, Quat4f q2)
Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion. The value of both argument quaternions is preservered (this = q1 * q2^-1).- Parameters:
q1
- the first quaternionq2
- the second quaternion
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mulInverse
public final void mulInverse(Quat4f q1)
Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion. The value of the argument quaternion is preserved (this = this * q^-1).- Parameters:
q1
- the other quaternion
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inverse
public final void inverse(Quat4f q1)
Sets the value of this quaternion to quaternion inverse of quaternion q1.- Parameters:
q1
- the quaternion to be inverted
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inverse
public final void inverse()
Sets the value of this quaternion to the quaternion inverse of itself.
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normalize
public final void normalize(Quat4f q1)
Sets the value of this quaternion to the normalized value of quaternion q1.- Parameters:
q1
- the quaternion to be normalized.
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normalize
public final void normalize()
Normalizes the value of this quaternion in place.
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set
public final void set(Matrix4f m1)
Sets the value of this quaternion to the rotational component of the passed matrix.- Parameters:
m1
- the Matrix4f
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set
public final void set(Matrix4d m1)
Sets the value of this quaternion to the rotational component of the passed matrix.- Parameters:
m1
- the Matrix4d
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set
public final void set(Matrix3f m1)
Sets the value of this quaternion to the rotational component of the passed matrix.- Parameters:
m1
- the Matrix3f
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set
public final void set(Matrix3d m1)
Sets the value of this quaternion to the rotational component of the passed matrix.- Parameters:
m1
- the Matrix3d
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set
public final void set(AxisAngle4f a)
Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.- Parameters:
a
- the AxisAngle to be emulated
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set
public final void set(AxisAngle4d a)
Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.- Parameters:
a
- the AxisAngle to be emulated
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interpolate
public final void interpolate(Quat4f q1, float alpha)
Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.- Parameters:
q1
- the other quaternionalpha
- the alpha interpolation parameter
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interpolate
public final void interpolate(Quat4f q1, Quat4f q2, float alpha)
Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.- Parameters:
q1
- the first quaternionq2
- the second quaternionalpha
- the alpha interpolation parameter
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