Class Vector2

constructor

• new Vector2(x?: number, y?: number): Vector2

  Create a 2D Vector from two numbers.

  Parameters

  • Optionalx: number

    X coordinate of the vector.

  • Optionaly: number

    Y coordinate of the vector. Leave out to use the same value as x.

  Returns Vector2

  Example

  const vector = new Vector2(62, 50);
  Copy

• new Vector2(pos: [number, number]): Vector2

  Create a 2D vector from a number tuple.

  Parameters

  • pos: [number, number]

    The X and Y coordinates of the vector.

  Returns Vector2

  Example

  const vector = new Vector2([ 60, 70 ]);
  Copy

• new Vector2(other: Vector2): Vector2

  Create a 2D vector from another 2D vector, cloning it.

  Parameters

  • other: Vector2

    The vector to clone.

  Returns Vector2

  Example

  const vector = new Vector2(62, 50);
  const other = new Vector2(other);
  Copy

• new Vector2(pos: { x: number; y: number }): Vector2

  Create a 2D vector from an object containing an x and y property.

  Parameters

  • pos: { x: number; y: number }

    The object to create from.

  Returns Vector2

  Example

  const vector = new Vector2({
    x: 50,
    y: 20
  });
  Copy

Readonlyx

Readonlyy

Staticdown

• get down(): Vector2

  Returns Vector2

Staticleft

• get left(): Vector2

  Returns Vector2

Staticnull

• get null(): Vector2

  A null vector.

  Returns Vector2

  Example

  console.log(Vector2.null); // => (0, 0)
  Copy

Staticright

• get right(): Vector2

  Returns Vector2

Staticup

• get up(): Vector2

  Returns Vector2

add

• add(b: Vector2): Vector2

  Parameters

  • b: Vector2

  Returns Vector2

clone

• clone(): Vector2

  Returns Vector2

dist

• dist(b: Vector2): number

  Parameters

  • b: Vector2

  Returns number

div

• div(b: Vector2): Vector2

  Parameters

  • b: Vector2

  Returns Vector2

• div(b: number): Vector2

  Parameters

  • b: number

  Returns Vector2

mul

• mul(b: Vector2): Vector2

  Parameters

  • b: Vector2

  Returns Vector2

• mul(b: number): Vector2

  Parameters

  • b: number

  Returns Vector2

negate

• negate(): Vector2

  Returns Vector2

normalize

• normalize(): Vector2

  Returns Vector2

rotate

• rotate(radians: number): Vector2

  Parameters

  • radians: number

  Returns Vector2

rotateDeg

• rotateDeg(degrees: number): Vector2

  Parameters

  • degrees: number

  Returns Vector2

serializeToWriter

• serializeToWriter(writer: HazelWriter): void

  Parameters

  • writer: HazelWriter

  Returns void

sub

• sub(b: Vector2): Vector2

  Parameters

  • b: Vector2

  Returns Vector2

toString

• toString(): string

  Convert the vector into a string.

  Returns string

  The vector as a string.

  Example

  const vector = new Vector2(5, 6);
  
  console.log(vector.toString()); // => (5, 6)
  Copy

Staticadd

• add(a: Vector2, b: Vector2): Vector2

  Add two vectors together

  Parameters

  • a: Vector2

    The first vector.

  • b: Vector2

    The second vector.

  Returns Vector2

  A new vector with the two vectors added together.

  Example

  const a = new Vector2(5, 8);
  const b = new Vector2(3, 7);
  
  const c = Vector2.add(a, b);
  console.log(c); // => (8, 15)
  Copy

Staticclamp

• clamp(val: number, min: number, max: number): number

  Clamp a value between a minimum and a maximum.

  Parameters

  • val: number

    The value to clamp.

  • min: number

    The minimum value.

  • max: number

    The maximum value.

  Returns number

  The clamped value.

  Example

  console.log(Vector2.clamp(50, 0, 100)); // => 50
  console.log(Vector2.clamp(125, 0, 100)); // => 100
  console.log(Vector2.clamp(-50, 0, 100)); // => 0
  Copy

StaticdeserializeFromReader

• deserializeFromReader(reader: HazelReader): Vector2

  Parameters

  • reader: HazelReader

  Returns Vector2

Staticdist

• dist(a: Vector2, b: Vector2): number

  Calculate the distance between one vector and another.

  Parameters

  • a: Vector2

    The first vector.

  • b: Vector2

    The second vector.

  Returns number

  The distance between the two vectors.

  Example

  const a = new Vector(3, 3);
  const b = new Vector(6, 7);
  
  const dist = Vector2.dist(a, b);
  console.log(dist); // => 5
  Copy

Staticdiv

• div(a: Vector2, b: Vector2): Vector2

  Divide one vector from another.

  Parameters

  • a: Vector2

    The first vector.

  • b: Vector2

    The second vector.

  Returns Vector2

  A new vector with one vector divided by the other.

  Example

  const a = new Vector2(4, 81);
  const b = new Vector2(2, 9);
  
  const c = Vector2.div(a, b);
  console.log(c); // => (2, 9)
  Copy

• div(a: Vector2, b: number): Vector2

  Divide a vector by a scalar value.

  Parameters

  • a: Vector2

    The vector to scale.

  • b: number

    The scalar.

  Returns Vector2

  A new vector with the vector scaled by the scalar.

  Example

  const a = new Vector(40, 32);
  const c = Vector2.div(a, 8);
  console.log(c); // => (5, 4)
  Copy

Staticlerp

• lerp(val: number, min?: number, max?: number): number

  Map a value between 0 and 1 to between a minimum and maximum value.

  Parameters

  • val: number

    The value to lerp.

  • min: number = -50

    The minimum value to lerp from.

  • max: number = 50

    The maximum value to lerp to.

  Returns number

  The lerped value.

  Example

  console.log(Vector2.lerp(0.9)); // => 40
  console.log(Vector2.lerp(0.9, -30, 30)); // => 24
  Copy

Staticmul

• mul(a: Vector2, b: Vector2): Vector2

  Multiply one vector with another.

  Parameters

  • a: Vector2

    The first vector.

  • b: Vector2

    The second vector.

  Returns Vector2

  A new vector with the two vectors multiplied together.

  Example

  const a = new Vector2(2, 9);
  const b = new Vector2(2, 9);
  
  const c = Vector2.mul(a, b);
  console.log(c); // => (4, 81)
  Copy

• mul(a: Vector2, b: number): Vector2

  Scale a vector with a scalar.

  Parameters

  • a: Vector2

    The vector to scale.

  • b: number

    The scalar.

  Returns Vector2

  A new vector with the vector scaled by the scalar.

  Example

  const a = new Vector(5, 4);
  const c = Vector2.mul(a, 8);
  console.log(c); // => (40, 32)
  Copy

Staticnegate

• negate(a: Vector2): Vector2

  Parameters

  • a: Vector2

  Returns Vector2

Staticnormalize

• normalize(a: Vector2): Vector2

  Parameters

  • a: Vector2

  Returns Vector2

Staticrotate

• rotate(a: Vector2, radians: number): Vector2

  Parameters

  • a: Vector2
  • radians: number

  Returns Vector2

StaticrotateDeg

• rotateDeg(a: Vector2, degrees: number): Vector2

  Parameters

  • a: Vector2
  • degrees: number

  Returns Vector2

Staticsub

• sub(a: Vector2, b: Vector2): Vector2

  Subtract one vector from another.

  Parameters

  • a: Vector2

    The first vector.

  • b: Vector2

    The second vector.

  Returns Vector2

  A new vector with the second vector subtracted from the first.

  Example

  const a = new Vector2(9, 9);
  const b = new Vector2(3, 3);
  
  const c = Vector2.sub(a, b);
  console.log(c); // => (6, 6)
  Copy

Staticunlerp

• unlerp(val: number, min?: number, max?: number): number

  Map a value between a minimum and maximum value to between 0 and 1.

  Parameters

  • val: number

    The value to unlerp.

  • min: number = -50

    The minimum value to unlerp from.

  • max: number = 50

    The maximum value to unlerp to.

  Returns number

  The unlerped value.

  Example

  console.log(Vector2.unlerp(0)); // => 0.5
  console.log(Vector2.unlerp(0, -15, 25)); // => 0.375
  Copy