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

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

level : number The current level. Source code:

retrieve(source) → {array} Return all objects that could collide with the given Sprite or Rectangle

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

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

linear(p0, p1, t) → {number} Calculates a linear (interpolation) value over t. Parameters

fuzzyEqual(a, b, epsilon) → {boolean} Two number are fuzzyEqual if

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

smootherstep(x, min, max) → {float} Smootherstep function as detailed at http://en.wikipedia.or