Scalar multiplication
Scalar multiplication.
Vector addition
Vector addition.
Vector substraction
Vector substraction.
Scalar division
Scalar division.
Returns a list of this vector's components
Returns a list of this vector's components.
Cross product
Cross product. Length only because in 2D. The direction would be given by the x3-axis.
Dot product
Dot product.
This method is used to compare the receiver object (this
)
with the argument object (arg0
) for equivalence
This method is used to compare the receiver object (this
)
with the argument object (arg0
) for equivalence.
The default implementations of this method is an equivalence relation:
x
of type Any
,
x.equals(x)
should return true
.x
and y
of type
Any
, x.equals(y)
should return true
if and only
if y.equals(x)
returns true
.x
, y
, and z
of type AnyRef
if x.equals(y)
returns true
and
y.equals(z)
returns
true
, then x.equals(z)
should return true
.
If you override this method, you should verify that
your implementation remains an equivalence relation.
Additionally, when overriding this method it is often necessary to
override hashCode
to ensure that objects that are
"equal" (o1.equals(o2)
returns true
)
hash to the same Int
(o1.hashCode.equals(o2.hashCode)
).
the object to compare against this object for equality.
true
if the receiver object is equivalent to the argument; false
otherwise.
Returns a hash code value for the object
Returns a hash code value for the object.
The default hashing algorithm is platform dependent.
Note that it is allowed for two objects to have identical hash
codes (o1.hashCode.equals(o2.hashCode)
) yet not be
equal (o1.equals(o2)
returns false
). A
degenerate implementation could always return 0
.
However, it is required that if two objects are equal
(o1.equals(o2)
returns true
) that they
have identical hash codes
(o1.hashCode.equals(o2.hashCode)
). Therefore, when
overriding this method, be sure to verify that the behavior is
consistent with the equals
method.
Checks if this vector is the null vector
Checks if this vector is the null vector.
Left normal vector
Left normal vector. (-y, x)
Norm or length of this vector
Norm or length of this vector.
Returns the projection of this vector onto the vector v
Returns the projection of this vector onto the vector v
.
Right normal vector
Right normal vector. (y, -x)
Returns a rotation of this vector by angle
radian
Returns a rotation of this vector by angle
radian.
Returns a string representation of the object
Returns a string representation of the object.
The default representation is platform dependent.
Unary minus
Unary minus.
Unit vector
Unit vector.
A 2D vector.
1st component
2nd component