level : number The current level. Source code:

sinCosGenerator(length, sinAmplitude, cosAmplitude, frequency) → {Object} Generate a sine and cosine

normal() → {number} Returns a random real number between -1 and 1. Returns

angleBetweenPoints(point1, point2) → {number} Find the angle of a segment from (point1.x, point1

weightedPick(ary) → {any} Returns a random member of array, favoring the earlier entries

between(min, max) → {number} Returns a number between the min and max

mapLinear(x, a1, a2, b1, b2) → {number} Linear mapping from range to range Parameters

bezierInterpolation(v, k) → {number} A Bezier Interpolation Method, mostly used by Phaser.Tween

rotateToAngle(currentAngle, targetAngle, lerp) → {number} Rotates

clampBottom(x, a) → {number} Clamp x to the range [a, Infinity).Roughly