Intermact API Reference / @intermact/core / CoordinateTransform2D

Class: CoordinateTransform2D

Defined in: packages/core/src/layout/coordinate-transform.ts:8

Scene coordinate transforms (design.md §7.2). Maps between absolute world coordinates, normalized domain UV, and polar coordinates for a 2D scene.

Constructors

Constructor

new CoordinateTransform2D(props): CoordinateTransform2D

Defined in: packages/core/src/layout/coordinate-transform.ts:9

Parameters

props

Scene2DProps

Returns

CoordinateTransform2D

Methods

absToRel()

absToRel(value): RelUV

Defined in: packages/core/src/layout/coordinate-transform.ts:12

Map absolute world coordinates to normalized domain UV in [0,1]².

Parameters

value

AbsXY

Returns

RelUV

---

fromPolar()

fromPolar(r, theta): AbsXY

Defined in: packages/core/src/layout/coordinate-transform.ts:31

Absolute point from polar coordinates.

Parameters

r

number

theta

number

Returns

AbsXY

---

relToAbs()

relToAbs(value): AbsXY

Defined in: packages/core/src/layout/coordinate-transform.ts:20

Map normalized domain UV back to absolute world coordinates.

Parameters

value

RelUV

Returns

AbsXY

---

toPolar()

toPolar(value): object

Defined in: packages/core/src/layout/coordinate-transform.ts:26

Polar radius and angle (radians) of an absolute point.

Parameters

value

AbsXY

Returns

object

r

readonly r: number

theta

readonly theta: number