A small collection of utility functions.

Docs

• index

  • Position
  • degToRad
  • clamp
  • toPx
  • loadTexture
  • getTextureOffset
  • map
  • distance
  • distanceToEllipse
  • distanceSingleAxis
  • angleTo
  • radToDeg
  • interpolate
  • interpolateLinear
  • interpolateCubic
  • interpolateSmootherStep
  • floor
  • getIndexPos
  • getIndex

index

Position

interface Position {
    x: number;
    y: number;
}

degToRad

function degToRad(degrees: number): number;

clamp

function clamp(value: number, max: number, min: number): number;

toPx

function toPx(n: number): string;

loadTexture

function loadTexture(src: string): Promise<HTMLImageElement>;

getTextureOffset

function getTextureOffset(index: number, sizePerCell: number, cellsPerRow: number): number[];

map

function map(val: number, inMin: number, inMax: number, outMin: number, outMax: number): number;

distance

function distance(x1: number, y1: number, x2: number, y2: number): number;

distanceToEllipse

function distanceToEllipse(x1: number, y1: number, x2: number, y2: number, xSize: number, ySize: number): number;

distanceSingleAxis

function distanceSingleAxis(x1: number, x2: number): number;

angleTo

function angleTo(x1: number, y1: number, x2: number, y2: number): number;

radToDeg

function radToDeg(n: number): number;

interpolate

function interpolate(a0: number, a1: number, w: number): number;

interpolateLinear

function interpolateLinear(a: number, b: number, n: number): number;

interpolateCubic

function interpolateCubic(a0: number, a1: number, w: number): number;

interpolateSmootherStep

function interpolateSmootherStep(a0: number, a1: number, w: number): number;

floor

function floor(number: number): number;

getIndexPos

function getIndexPos(pos: Position, cellsPerRow: number): number;

getIndex

function getIndex(x: number, y: number, cellsPerRow: number): number;

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Copyright (c) 2021 Leonard Grosoli Licensed under the MIT license.