jmod/deCasteljau.js

audio / dsp enveloping with some added features

module.exports = function (pts) {
	return function (t) {
		for (var a = pts; a.length > 1; a = b)  
			for (var i = 0, b = [], j; i < a.length - 1; i++) 
				for (b[i] = [], j = 0; j < a[i].length; j++)
					b[i][j] = a[i][j] * (1 - t) + a[i+1][j] * t;
		return a[0];
	}
}