Vector2 class Null safety

2D column vector.

Implemented types

Constructors

Vector2(double x, double y)
Construct a new vector with the specified values.
factory
Vector2.all(double value)
Splat value into all lanes of the vector.
factory
Vector2.array(List<double> array, [int offset = 0])
Initialized with values from array starting at offset.
factory
Vector2.copy(Vector2 other)
Copy of other.
factory
Vector2.fromBuffer(ByteBuffer buffer, int offset)
Constructs Vector2 with a storage that views given buffer starting at offset. offset has to be multiple of Float64List.bytesPerElement.
Vector2.fromFloat64List(Float64List _v2storage)
Constructs Vector2 with a given Float64List as storage.
Vector2.random([Random? rng])
Generate random vector in the range (0, 0) to (1, 1). You can optionally pass your own random number generator.
factory
Vector2.zero()
Zero vector.

Properties

g double
read / write
gg Vector2
read-only
ggg Vector3
read-only
gggg Vector4
read-only
gggr Vector4
read-only
ggr Vector3
read-only
ggrg Vector4
read-only
ggrr Vector4
read-only
gr Vector2
read / write
grg Vector3
read-only
grgg Vector4
read-only
grgr Vector4
read-only
grr Vector3
read-only
grrg Vector4
read-only
grrr Vector4
read-only
hashCode int
The hash code for this object. [...]
read-only, override
isInfinite bool
True if any component is infinite.
read-only
isNaN bool
True if any component is NaN.
read-only
length double
Length.
read / write
length2 double
Length squared.
read-only
r double
read / write
rg Vector2
read / write
rgg Vector3
read-only
rggg Vector4
read-only
rggr Vector4
read-only
rgr Vector3
read-only
rgrg Vector4
read-only
rgrr Vector4
read-only
rr Vector2
read-only
rrg Vector3
read-only
rrgg Vector4
read-only
rrgr Vector4
read-only
rrr Vector3
read-only
rrrg Vector4
read-only
rrrr Vector4
read-only
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
s double
read / write
ss Vector2
read-only
sss Vector3
read-only
ssss Vector4
read-only
ssst Vector4
read-only
sst Vector3
read-only
ssts Vector4
read-only
sstt Vector4
read-only
st Vector2
read / write
storage Float64List
The components of the vector.
read-only, override
sts Vector3
read-only
stss Vector4
read-only
stst Vector4
read-only
stt Vector3
read-only
stts Vector4
read-only
sttt Vector4
read-only
t double
read / write
ts Vector2
read / write
tss Vector3
read-only
tsss Vector4
read-only
tsst Vector4
read-only
tst Vector3
read-only
tsts Vector4
read-only
tstt Vector4
read-only
tt Vector2
read-only
tts Vector3
read-only
ttss Vector4
read-only
ttst Vector4
read-only
ttt Vector3
read-only
ttts Vector4
read-only
tttt Vector4
read-only
x double
read / write
xx Vector2
read-only
xxx Vector3
read-only
xxxx Vector4
read-only
xxxy Vector4
read-only
xxy Vector3
read-only
xxyx Vector4
read-only
xxyy Vector4
read-only
xy Vector2
read / write
xyx Vector3
read-only
xyxx Vector4
read-only
xyxy Vector4
read-only
xyy Vector3
read-only
xyyx Vector4
read-only
xyyy Vector4
read-only
y double
read / write
yx Vector2
read / write
yxx Vector3
read-only
yxxx Vector4
read-only
yxxy Vector4
read-only
yxy Vector3
read-only
yxyx Vector4
read-only
yxyy Vector4
read-only
yy Vector2
read-only
yyx Vector3
read-only
yyxx Vector4
read-only
yyxy Vector4
read-only
yyy Vector3
read-only
yyyx Vector4
read-only
yyyy Vector4
read-only

Methods

absolute() → void
Absolute value.
absoluteError(Vector2 correct) double
Absolute error between this and correct
add(Vector2 arg) → void
Add arg to this.
addScaled(Vector2 arg, double factor) → void
Add arg scaled by factor to this.
angleTo(Vector2 other) double
Returns the angle between this vector and other in radians.
angleToSigned(Vector2 other) double
Returns the signed angle between this and other in radians.
ceil() → void
Ceil entries in this.
clamp(Vector2 min, Vector2 max) → void
Clamp each entry n in this in the range [minn]-[maxn].
clampScalar(double min, double max) → void
Clamp entries this in the range min-max.
clone() Vector2
Clone of this.
copyFromArray(List<double> array, [int offset = 0]) → void
Copies elements from array into this starting at offset.
copyInto(Vector2 arg) Vector2
Copy this into arg. Returns arg.
copyIntoArray(List<double> array, [int offset = 0]) → void
Copies this into array starting at offset.
cross(Vector2 other) double
Cross product.
distanceTo(Vector2 arg) double
Distance from this to arg
distanceToSquared(Vector2 arg) double
Squared distance from this to arg
divide(Vector2 arg) → void
Divide entries in this with entries in arg.
dot(Vector2 other) double
Inner product.
floor() → void
Floor entries in this.
multiply(Vector2 arg) → void
Multiply entries in this with entries in arg.
negate() → void
Negate.
normalize() double
Normalize this.
normalized() Vector2
Normalized copy of this.
normalizeInto(Vector2 out) Vector2
Normalize vector into out.
normalizeLength() double
Normalize this. Returns length of vector before normalization. DEPRECATED: Use normalize.
@Deprecated('Use normalize() insteaed.')
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
postmultiply(Matrix2 arg) → void
Transforms this into the product of this as a row vector, postmultiplied by matrix, arg. If arg is a rotation matrix, this is a computational shortcut for applying, the inverse of the transformation.
reflect(Vector2 normal) → void
Reflect this.
reflected(Vector2 normal) Vector2
Reflected copy of this.
relativeError(Vector2 correct) double
Relative error between this and correct
round() → void
Round entries in this.
roundToZero() → void
Round entries in this towards zero.
scale(double arg) → void
Scale this by arg.
scaled(double arg) Vector2
Return a copy of this scaled by arg.
scaleOrthogonalInto(double scale, Vector2 out) Vector2
Rotate this by 90 degrees then scale it. Store result in out. Return out.
setFrom(Vector2 other) → void
Set the values by copying them from other.
setValues(double x_, double y_) → void
Set the values of the vector.
setZero() → void
Zero the vector.
splat(double arg) → void
Splat arg into all lanes of the vector.
sub(Vector2 arg) → void
Subtract arg from this.
toString() String
Returns a printable string
override

Operators

operator *(double scale) Vector2
Scale.
operator +(Vector2 other) Vector2
Add two vectors.
operator -(Vector2 other) Vector2
Subtract two vectors.
operator /(double scale) Vector2
Scale.
operator ==(Object? other) bool
Check if two vectors are the same.
override
operator [](int i) double
Access the component of the vector at the index i.
operator []=(int i, double v) → void
Set the component of the vector at the index i.
operator unary-() Vector2
Negate.

Static Methods

max(Vector2 a, Vector2 b, Vector2 result) → void
Set the values of result to the maximum of a and b for each line.
min(Vector2 a, Vector2 b, Vector2 result) → void
Set the values of result to the minimum of a and b for each line.
mix(Vector2 min, Vector2 max, double a, Vector2 result) → void
Interpolate between min and max with the amount of a using a linear interpolation and store the values in result.