Vector2 class

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
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
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
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

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.
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
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited

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.
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.