javax.vecmath
public class Vector2f extends Tuple2f implements Serializable
Constructor Summary | |
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Vector2f(float x, float y)
Constructs and initializes a Vector2f from the specified xy coordinates. | |
Vector2f(float[] v)
Constructs and initializes a Vector2f from the specified array. | |
Vector2f(Vector2f v1)
Constructs and initializes a Vector2f from the specified Vector2f. | |
Vector2f(Vector2d v1)
Constructs and initializes a Vector2f from the specified Vector2d. | |
Vector2f(Tuple2f t1)
Constructs and initializes a Vector2f from the specified Tuple2f. | |
Vector2f(Tuple2d t1)
Constructs and initializes a Vector2f from the specified Tuple2d. | |
Vector2f()
Constructs and initializes a Vector2f to (0,0). |
Method Summary | |
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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. |
Parameters: x the x coordinate y the y coordinate
Parameters: v the array of length 2 containing xy in order
Parameters: v1 the Vector2f containing the initialization x y data
Parameters: v1 the Vector2f containing the initialization x y data
Parameters: t1 the Tuple2f containing the initialization x y data
Parameters: t1 the Tuple2d containing the initialization x y data
Parameters: v1 the other vector
Returns: the angle in radians in the range [0,PI]
Parameters: v1 the other vector
Returns: the length of this vector
Returns: the squared length of this vector
Parameters: v1 the un-normalized vector