javax.vecmath
public class Vector4d extends Tuple4d implements Serializable
Constructor Summary | |
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Vector4d(double x, double y, double z, double w)
Constructs and initializes a Vector4d from the specified xyzw coordinates. | |
Vector4d(double[] v)
Constructs and initializes a Vector4d from the specified array of length 4. | |
Vector4d(Vector4f v1)
Constructs and initializes a Vector4d from the specified Vector4d. | |
Vector4d(Vector4d v1)
Constructs and initializes a Vector4d from the specified Vector4d. | |
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()
Constructs and initializes a Vector4d to (0,0,0,0). | |
Vector4d(Tuple3d t1)
Constructs and initializes a Vector4d from the specified Tuple3d.
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Method Summary | |
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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)
Computes the dot product of the this vector and vector v1. |
double | length()
Returns the length of this vector. |
double | lengthSquared()
Returns the squared length of this vector. |
void | normalize(Vector4d v1)
Sets the value of this vector to the normalization of vector v1. |
void | normalize()
Normalizes this vector in place. |
void | set(Tuple3d t1)
Sets the x,y,z components of this point to the corresponding
components of tuple t1. |
Parameters: x the x coordinate y the y coordinate z the z coordinate w the w coordinate
Parameters: v the array of length 4 containing xyzw in order
Parameters: v1 the Vector4d containing the initialization x y z w data
Parameters: v1 the Vector4d containing the initialization x y z w data
Parameters: t1 the Tuple4d containing the initialization x y z w data
Parameters: t1 the Tuple4f containing the initialization x y z w data
Parameters: t1 the tuple to be copied
Since: Java3D 1.2
Parameters: v1 the other vector
Returns: the angle in radians in the range [0,PI]
Parameters: v1 the other vector
Returns: the dot product of this vector and vector v1
Returns: the length of this vector
Returns: the squared length of this vector
Parameters: v1 the un-normalized vector
Parameters: t1 the tuple to be copied
Since: Java3D 1.2