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

difference(a, b) → {number} The absolute difference between two values. Parameters

isEven(n) → {boolean} Returns true if the number given is even. Parameters

getIndex(rect) → {number} Determine which node the object belongs to. Parameters

level : number The current level. Source code:

reverseAngle(angleRad) → {number} Reverses an angle. Parameters

new QuadTree(x, y, width, height, maxObjects, maxLevels, level)

catmullRomInterpolation(v, k) → {number} A Catmull Rom Interpolation Method, mostly used by Phaser

distancePow(x1, y1, x2, y2, pow) → {number} Returns the distance between

fuzzyFloor(val, epsilon) → {number} Applies a fuzzy floor to the given