Vector2 class - vector_math library

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 Float32List.bytesPerElement.
Vector2.fromFloat32List(Float32List _v2storage): Constructs Vector2 with a given Float32List 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: getter/setter pair
gg → Vector2: no setter
ggg → Vector3: no setter
gggg → Vector4: no setter
gggr → Vector4: no setter
ggr → Vector3: no setter
ggrg → Vector4: no setter
ggrr → Vector4: no setter
gr ↔ Vector2: getter/setter pair
grg → Vector3: no setter
grgg → Vector4: no setter
grgr → Vector4: no setter
grr → Vector3: no setter
grrg → Vector4: no setter
grrr → Vector4: no setter
hashCode → int: The hash code for this object.
no setteroverride
isInfinite → bool: True if any component is infinite.
no setter
isNaN → bool: True if any component is NaN.
no setter
length ↔ double: Length.
getter/setter pair
length2 → double: Length squared.
no setter
r ↔ double: getter/setter pair
rg ↔ Vector2: getter/setter pair
rgg → Vector3: no setter
rggg → Vector4: no setter
rggr → Vector4: no setter
rgr → Vector3: no setter
rgrg → Vector4: no setter
rgrr → Vector4: no setter
rr → Vector2: no setter
rrg → Vector3: no setter
rrgg → Vector4: no setter
rrgr → Vector4: no setter
rrr → Vector3: no setter
rrrg → Vector4: no setter
rrrr → Vector4: no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
s ↔ double: getter/setter pair
ss → Vector2: no setter
sss → Vector3: no setter
ssss → Vector4: no setter
ssst → Vector4: no setter
sst → Vector3: no setter
ssts → Vector4: no setter
sstt → Vector4: no setter
st ↔ Vector2: getter/setter pair
storage → Float32List: The components of the vector.
no setteroverride
sts → Vector3: no setter
stss → Vector4: no setter
stst → Vector4: no setter
stt → Vector3: no setter
stts → Vector4: no setter
sttt → Vector4: no setter
t ↔ double: getter/setter pair
ts ↔ Vector2: getter/setter pair
tss → Vector3: no setter
tsss → Vector4: no setter
tsst → Vector4: no setter
tst → Vector3: no setter
tsts → Vector4: no setter
tstt → Vector4: no setter
tt → Vector2: no setter
tts → Vector3: no setter
ttss → Vector4: no setter
ttst → Vector4: no setter
ttt → Vector3: no setter
ttts → Vector4: no setter
tttt → Vector4: no setter
x ↔ double: getter/setter pair
xx → Vector2: no setter
xxx → Vector3: no setter
xxxx → Vector4: no setter
xxxy → Vector4: no setter
xxy → Vector3: no setter
xxyx → Vector4: no setter
xxyy → Vector4: no setter
xy ↔ Vector2: getter/setter pair
xyx → Vector3: no setter
xyxx → Vector4: no setter
xyxy → Vector4: no setter
xyy → Vector3: no setter
xyyx → Vector4: no setter
xyyy → Vector4: no setter
y ↔ double: getter/setter pair
yx ↔ Vector2: getter/setter pair
yxx → Vector3: no setter
yxxx → Vector4: no setter
yxxy → Vector4: no setter
yxy → Vector3: no setter
yxyx → Vector4: no setter
yxyy → Vector4: no setter
yy → Vector2: no setter
yyx → Vector3: no setter
yyxx → Vector4: no setter
yyxy → Vector4: no setter
yyy → Vector3: no setter
yyyx → Vector4: no setter
yyyy → Vector4: no setter

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.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent 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.