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2D vector reflection

License: MIT License

JavaScript 100.00%

vec2-reflect's Introduction

vec2-reflect

Calculates a vector reflected off a line defined by its normal.

Normal should be normalized (length 1.)

Usage:

var reflect = require('vec2-reflect')

var v = new Float32Array([1, 1])
var n = new Float32Array([0,-1])
var result = new Float32Array(2)

reflect(result, v, n)

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