@orillusion/core

---

Class: LensUtil

Defined in: src/util/LensUtil.ts:6

CPU mirror of the vignette / chromatic-aberration math in LensShader, for tooling and GPU-vs-CPU validation. Keep in sync with the WGSL.

Constructors

Constructor

new LensUtil(): LensUtil

Returns

LensUtil

Methods

vignette()

static vignette(u, v, aspect, intensity, smoothness, roundness): number

Defined in: src/util/LensUtil.ts:11

Vignette multiplier at a screen UV (0..1, origin irrelevant — symmetric). 1 = untouched, 0 = fully replaced by the vignette color.

Parameters

u

number

v

number

aspect

number

intensity

number

smoothness

number

roundness

number

Returns

number

---

chromaticOffset()

static chromaticOffset(u, v, intensity): [number, number]

Defined in: src/util/LensUtil.ts:21

UV offset applied to the red channel (blue gets the negation).

Parameters

u

number

v

number

intensity

number

Returns

[number, number]