math.js.md

math.js

math functions used within the whole project are wrapped into this object

distance(p1, p2, speed)

calculate distance between two points {x, y}

Params:

• Object p1
• Object p2
• Number speed Optional

Return:

• Object

{
    x: <x units>,
    y: <y units>,
    moves: <moves to reach destination>,
    distance: <distance>
}

metersBetweenTwoPoints(p1, p2)

See: http://stackoverflow.com/questions/1502590/calculate-distance-between-two-points-in-google-maps-v3

Params:

• Object p1
• Object p2

Return:

• Number meters

calculateAngle(p1, p2, globalRotation)

calculate angle between two points

Params:

• Object p1
• Object p2
• Number globalRotation Optional

Return:

• Number angle

vectorUnits(angle, speed)

calculates a vector with given angle

Params:

• Number angle
• Number speed Optional

Return:

• Object {x, y}

units(theta, speed)

calculates the units with given angle

Params:

• Number theta
• Number speed Optional

Return:

• Object {x,y}

toFixed(value, positions)

Params:

• Number value
• Number positions

Return:

• Number