diff --git a/dist/boid.js b/dist/boid.js
index 213fecb..0bb49a6 100644
--- a/dist/boid.js
+++ b/dist/boid.js
@@ -86,15 +86,18 @@ function Boid(options) {
     };
 
     var bounce = function() {
-        if (position.x > bounds.width) {
-            position.x = bounds.width;
+        var maxX = bounds.x + bounds.width;
+        if (position.x > maxX) {
+            position.x = maxX;
             velocity.x *= -1;
         } else if (position.x < bounds.x) {
             position.x = bounds.x;
             velocity.x *= -1;
         }
-        if (position.y > bounds.height) {
-            position.y = bounds.height;
+
+        var maxY = bounds.y + bounds.height;
+        if (position.y > maxY) {
+            position.y = maxY;
             velocity.y *= -1;
         } else if (position.y < bounds.y) {
             position.y = bounds.y;
@@ -103,15 +106,18 @@ function Boid(options) {
     };
 
     var wrap = function() {
-        if (position.x > bounds.width) {
+        var maxX = bounds.x + bounds.width;
+        if (position.x > maxX) {
             position.x = bounds.x;
         } else if (position.x < bounds.x) {
-            position.x = bounds.width;
+            position.x = maxX;
         }
-        if (position.y > bounds.height) {
+
+        var maxY = bounds.y + bounds.height;
+        if (position.y > maxY) {
             position.y = bounds.y;
         } else if (position.y < bounds.y) {
-            position.y = bounds.height;
+            position.y = maxY;
         }
     };
 
@@ -330,6 +336,7 @@ function Boid(options) {
 
     // methods
     var boid = {
+        bounds: bounds,
         setBounds: setBounds,
         update: update,
         pursue: pursue,
@@ -690,5 +697,4 @@ if (typeof module === 'object' && module.exports) {
 }
 
 },{}]},{},[1])(1)
-});
-//# sourceMappingURL=data:application/json;charset:utf-8;base64,{"version":3,"sources":["node_modules/browserify/node_modules/browser-pack/_prelude.js","src/boid.js","src/vec2.js"],"names":[],"mappings":"AAAA;ACAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACngBA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA","file":"generated.js","sourceRoot":"","sourcesContent":["(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","'use strict';\n\nvar Vec2 = require('./vec2.js');\n\nvar defaults = {\n    bounds: {\n        x: 0,\n        y: 0,\n        width: 640,\n        height: 480\n    },\n    edgeBehavior: 'bounce',\n    mass: 1.0,\n    maxSpeed: 10,\n    maxForce: 1,\n    arriveThreshold: 50,\n    wanderDistance: 10,\n    wanderRadius: 5,\n    wanderAngle: 0,\n    wanderRange: 1,\n    avoidDistance: 300,\n    avoidBuffer: 20,\n    pathThreshold: 20,\n    maxDistance: 300,\n    minDistance: 60\n};\n\nfunction Boid(options) {\n    options = configure(options);\n\n    var position = Vec2.get();\n    var velocity = Vec2.get();\n    var steeringForce = Vec2.get();\n\n    var bounds = options.bounds;\n    var edgeBehavior = options.edgeBehavior;\n    var mass = options.mass;\n    var maxSpeed = options.maxSpeed;\n    var maxSpeedSq = maxSpeed * maxSpeed;\n    var maxForce = options.maxForce;\n    // arrive\n    var arriveThreshold = options.arriveThreshold;\n    var arriveThresholdSq = arriveThreshold * arriveThreshold;\n    // wander\n    var wanderDistance = options.wanderDistance;\n    var wanderRadius = options.wanderRadius;\n    var wanderAngle = options.wanderAngle;\n    var wanderRange = options.wanderRange;\n    // avoid\n    var avoidDistance = options.avoidDistance;\n    var avoidBuffer = options.avoidBuffer;\n    // follow path\n    var pathIndex = 0;\n    var pathThreshold = options.pathThreshold;\n    var pathThresholdSq = pathThreshold * pathThreshold;\n    // flock\n    var maxDistance = options.maxDistance;\n    var maxDistanceSq = maxDistance * maxDistance;\n    var minDistance = options.minDistance;\n    var minDistanceSq = minDistance * minDistance;\n\n    var setBounds = function(width, height, x, y) {\n        bounds.width = width;\n        bounds.height = height;\n        bounds.x = x || 0;\n        bounds.y = y || 0;\n\n        return boid;\n    };\n\n    var update = function() {\n        steeringForce.truncate(maxForce);\n        steeringForce.divideBy(mass);\n        velocity.add(steeringForce);\n        steeringForce.reset();\n        velocity.truncate(maxSpeed);\n        position.add(velocity);\n\n        if (edgeBehavior === Boid.EDGE_BOUNCE) {\n            bounce();\n        } else if (edgeBehavior === Boid.EDGE_WRAP) {\n            wrap();\n        }\n        return boid;\n    };\n\n    var bounce = function() {\n        if (position.x > bounds.width) {\n            position.x = bounds.width;\n            velocity.x *= -1;\n        } else if (position.x < bounds.x) {\n            position.x = bounds.x;\n            velocity.x *= -1;\n        }\n        if (position.y > bounds.height) {\n            position.y = bounds.height;\n            velocity.y *= -1;\n        } else if (position.y < bounds.y) {\n            position.y = bounds.y;\n            velocity.y *= -1;\n        }\n    };\n\n    var wrap = function() {\n        if (position.x > bounds.width) {\n            position.x = bounds.x;\n        } else if (position.x < bounds.x) {\n            position.x = bounds.width;\n        }\n        if (position.y > bounds.height) {\n            position.y = bounds.y;\n        } else if (position.y < bounds.y) {\n            position.y = bounds.height;\n        }\n    };\n\n    var seek = function(targetVec) {\n        var desiredVelocity = targetVec.clone().subtract(position);\n        desiredVelocity.normalize();\n        desiredVelocity.scaleBy(maxSpeed);\n\n        var force = desiredVelocity.subtract(velocity);\n        steeringForce.add(force);\n        force.dispose();\n\n        return boid;\n    };\n\n    var flee = function(targetVec) {\n        var desiredVelocity = targetVec.clone().subtract(position);\n        desiredVelocity.normalize();\n        desiredVelocity.scaleBy(maxSpeed);\n\n        var force = desiredVelocity.subtract(velocity);\n        steeringForce.subtract(force);\n        force.dispose();\n\n        return boid;\n    };\n\n    // seek until within arriveThreshold\n    var arrive = function(targetVec) {\n        var desiredVelocity = targetVec.clone().subtract(position);\n        desiredVelocity.normalize();\n\n        var distanceSq = position.distanceSq(targetVec);\n        if (distanceSq > arriveThresholdSq) {\n            desiredVelocity.scaleBy(maxSpeed);\n        } else {\n            var scalar = maxSpeed * distanceSq / arriveThresholdSq;\n            desiredVelocity.scaleBy(scalar);\n        }\n        var force = desiredVelocity.subtract(velocity);\n        steeringForce.add(force);\n        force.dispose();\n\n        return boid;\n    };\n\n    // look at velocity of boid and try to predict where it's going\n    var pursue = function(targetBoid) {\n        var lookAheadTime = position.distanceSq(targetBoid.position) / maxSpeedSq;\n\n        var scaledVelocity = targetBoid.velocity.clone().scaleBy(lookAheadTime);\n        var predictedTarget = targetBoid.position.clone().add(scaledVelocity);\n\n        seek(predictedTarget);\n\n        scaledVelocity.dispose();\n        predictedTarget.dispose();\n\n        return boid;\n    };\n\n    // look at velocity of boid and try to predict where it's going\n    var evade = function(targetBoid) {\n        var lookAheadTime = position.distanceSq(targetBoid.position) / maxSpeedSq;\n\n        var scaledVelocity = targetBoid.velocity.clone().scaleBy(lookAheadTime);\n        var predictedTarget = targetBoid.position.clone().add(scaledVelocity);\n\n        flee(predictedTarget);\n\n        scaledVelocity.dispose();\n        predictedTarget.dispose();\n\n        return boid;\n    };\n\n    // wander around, changing angle by a limited amount each tick\n    var wander = function() {\n        var center = velocity.clone().normalize().scaleBy(wanderDistance);\n\n        var offset = Vec2.get();\n        offset.length = wanderRadius;\n        offset.angle = wanderAngle;\n        wanderAngle += Math.random() * wanderRange - wanderRange * 0.5;\n\n        var force = center.add(offset);\n        steeringForce.add(force);\n\n        offset.dispose();\n        force.dispose();\n\n        return boid;\n    };\n\n    // gets a bit rough used in combination with seeking as the boid attempts\n    // to seek straight through an object while simultaneously trying to avoid it\n    var avoid = function(obstacles) {\n        for (var i = 0; i < obstacles.length; i++) {\n            var obstacle = obstacles[i];\n            var heading = velocity.clone().normalize();\n\n            // vec between obstacle and boid\n            var difference = obstacle.position.clone().subtract(position);\n            var dotProd = difference.dotProduct(heading);\n\n            // if obstacle in front of boid\n            if (dotProd > 0) {\n                // vec to represent 'feeler' arm\n                var feeler = heading.clone().scaleBy(avoidDistance);\n                // project difference onto feeler\n                var projection = heading.clone().scaleBy(dotProd);\n                // distance from obstacle to feeler\n                var vecDistance = projection.subtract(difference);\n                var distance = vecDistance.length;\n                // if feeler intersects obstacle (plus buffer), and projection\n                // less than feeler length, will collide\n                if (distance < (obstacle.radius || 0) + avoidBuffer && projection.length < feeler.length) {\n                    // calc a force +/- 90 deg from vec to circ\n                    var force = heading.clone().scaleBy(maxSpeed);\n                    force.angle += difference.sign(velocity) * Math.PI / 2;\n                    // scale force by distance (further = smaller force)\n                    force.scaleBy(1 - projection.length / feeler.length);\n                    // add to steering force\n                    steeringForce.add(force);\n                    // braking force - slows boid down so it has time to turn (closer = harder)\n                    velocity.scaleBy(projection.length / feeler.length);\n\n                    force.dispose();\n                }\n                feeler.dispose();\n                projection.dispose();\n                vecDistance.dispose();\n            }\n            heading.dispose();\n            difference.dispose();\n        }\n        return boid;\n    };\n\n    // follow a path made up of an array or vectors\n    var followPath = function(path, loop) {\n        loop = !!loop;\n\n        var wayPoint = path[pathIndex];\n        if (!wayPoint) {\n            pathIndex = 0;\n            return boid;\n        }\n        if (position.distanceSq(wayPoint) < pathThresholdSq) {\n            if (pathIndex >= path.length - 1) {\n                if (loop) {\n                    pathIndex = 0;\n                }\n            } else {\n                pathIndex++;\n            }\n        }\n        if (pathIndex >= path.length - 1 && !loop) {\n            arrive(wayPoint);\n        } else {\n            seek(wayPoint);\n        }\n        return boid;\n    };\n\n    // flock - group of boids loosely move together\n    var flock = function(boids) {\n        var averageVelocity = velocity.clone();\n        var averagePosition = Vec2.get();\n        var inSightCount = 0;\n        for (var i = 0; i < boids.length; i++) {\n            var b = boids[i];\n            if (b !== boid && inSight(b)) {\n                averageVelocity.add(b.velocity);\n                averagePosition.add(b.position);\n                if (tooClose(b)) {\n                    flee(b.position);\n                }\n                inSightCount++;\n            }\n        }\n        if (inSightCount > 0) {\n            averageVelocity.divideBy(inSightCount);\n            averagePosition.divideBy(inSightCount);\n            seek(averagePosition);\n            steeringForce.add(averageVelocity.subtract(velocity));\n        }\n        averageVelocity.dispose();\n        averagePosition.dispose();\n\n        return boid;\n    };\n\n    // is boid close enough to be in sight and facing\n    var inSight = function(boid) {\n        if (position.distanceSq(boid.position) > maxDistanceSq) {\n            return false;\n        }\n        var heading = velocity.clone().normalize();\n        var difference = boid.position.clone().subtract(position);\n        var dotProd = difference.dotProduct(heading);\n\n        heading.dispose();\n        difference.dispose();\n\n        if (dotProd < 0) {\n            return false;\n        }\n        return true;\n    };\n\n    // is boid too close?\n    var tooClose = function(boid) {\n        return position.distanceSq(boid.position) < minDistanceSq;\n    };\n\n    // methods\n    var boid = {\n        setBounds: setBounds,\n        update: update,\n        pursue: pursue,\n        evade: evade,\n        wander: wander,\n        avoid: avoid,\n        followPath: followPath,\n        flock: flock,\n        arrive: arrive,\n        seek: seek,\n        flee: flee,\n        position: position,\n        velocity: velocity,\n        userData: {}\n    };\n\n    // getters / setters\n    Object.defineProperties(boid, {\n        edgeBehavior: {\n            get: function() {\n                return edgeBehavior;\n            },\n            set: function(value) {\n                edgeBehavior = value;\n            }\n        },\n        mass: {\n            get: function() {\n                return mass;\n            },\n            set: function(value) {\n                mass = value;\n            }\n        },\n        maxSpeed: {\n            get: function() {\n                return maxSpeed;\n            },\n            set: function(value) {\n                maxSpeed = value;\n                maxSpeedSq = value * value;\n            }\n        },\n        maxForce: {\n            get: function() {\n                return maxForce;\n            },\n            set: function(value) {\n                maxForce = value;\n            }\n        },\n        // arrive\n        arriveThreshold: {\n            get: function() {\n                return arriveThreshold;\n            },\n            set: function(value) {\n                arriveThreshold = value;\n                arriveThresholdSq = value * value;\n            }\n        },\n        // wander\n        wanderDistance: {\n            get: function() {\n                return wanderDistance;\n            },\n            set: function(value) {\n                wanderDistance = value;\n            }\n        },\n        wanderRadius: {\n            get: function() {\n                return wanderRadius;\n            },\n            set: function(value) {\n                wanderRadius = value;\n            }\n        },\n        wanderRange: {\n            get: function() {\n                return wanderRange;\n            },\n            set: function(value) {\n                wanderRange = value;\n            }\n        },\n        // avoid\n        avoidDistance: {\n            get: function() {\n                return avoidDistance;\n            },\n            set: function(value) {\n                avoidDistance = value;\n            }\n        },\n        avoidBuffer: {\n            get: function() {\n                return avoidBuffer;\n            },\n            set: function(value) {\n                avoidBuffer = value;\n            }\n        },\n        // followPath\n        pathIndex: {\n            get: function() {\n                return pathIndex;\n            },\n            set: function(value) {\n                pathIndex = value;\n            }\n        },\n        pathThreshold: {\n            get: function() {\n                return pathThreshold;\n            },\n            set: function(value) {\n                pathThreshold = value;\n                pathThresholdSq = value * value;\n            }\n        },\n        //  flock\n        maxDistance: {\n            get: function() {\n                return maxDistance;\n            },\n            set: function(value) {\n                maxDistance = value;\n                maxDistanceSq = value * value;\n            }\n        },\n        minDistance: {\n            get: function() {\n                return minDistance;\n            },\n            set: function(value) {\n                minDistance = value;\n                minDistanceSq = value * value;\n            }\n        }\n    });\n\n    return Object.freeze(boid);\n}\n\n// edge behaviors\nBoid.EDGE_NONE = 'none';\nBoid.EDGE_BOUNCE = 'bounce';\nBoid.EDGE_WRAP = 'wrap';\n\n// vec2\nBoid.Vec2 = Vec2;\n\nBoid.vec2 = function(x, y) {\n    return Vec2.get(x, y);\n};\n\n// for defining obstacles or areas to avoid\nBoid.obstacle = function(radius, x, y) {\n    return {\n        radius: radius,\n        position: Vec2.get(x, y)\n    };\n};\n\nfunction setDefaults(opts, defs) {\n    Object.keys(defs).forEach(function(key) {\n        if (typeof opts[key] === 'undefined') {\n            opts[key] = defs[key];\n        }\n    });\n}\n\nfunction configure(options) {\n    options = options || {};\n    options.bounds = options.bounds || {};\n    setDefaults(options, defaults);\n    setDefaults(options.bounds, defaults.bounds);\n    return options;\n}\n\nif (typeof module === 'object' && module.exports) {\n    module.exports = Boid;\n}\n","'use strict';\n\nfunction Vec2(x, y) {\n    this.x = x || 0;\n    this.y = y || 0;\n}\n\nVec2.prototype = {\n    add: function(vec) {\n        this.x = this.x + vec.x;\n        this.y = this.y + vec.y;\n        return this;\n    },\n    subtract: function(vec) {\n        this.x = this.x - vec.x;\n        this.y = this.y - vec.y;\n        return this;\n    },\n    normalize: function() {\n        var l = this.length;\n        if (l === 0) {\n            this.x = 1;\n            return this;\n        }\n        if (l === 1) {\n            return this;\n        }\n        this.x /= l;\n        this.y /= l;\n        return this;\n    },\n    isNormalized: function() {\n        return this.length === 1;\n    },\n    truncate: function(max) {\n        if (this.length > max) {\n            this.length = max;\n        }\n        return this;\n    },\n    scaleBy: function(mul) {\n        this.x *= mul;\n        this.y *= mul;\n        return this;\n    },\n    divideBy: function(div) {\n        this.x /= div;\n        this.y /= div;\n        return this;\n    },\n    equals: function(vec) {\n        return this.x === vec.x && this.y === vec.y;\n    },\n    negate: function() {\n        this.x = -this.x;\n        this.y = -this.y;\n        return this;\n    },\n    dotProduct: function(vec) {\n        /*\n        If A and B are perpendicular (at 90 degrees to each other), the result\n        of the dot product will be zero, because cos(Θ) will be zero.\n        If the angle between A and B are less than 90 degrees, the dot product\n        will be positive (greater than zero), as cos(Θ) will be positive, and\n        the vector lengths are always positive values.\n        If the angle between A and B are greater than 90 degrees, the dot\n        product will be negative (less than zero), as cos(Θ) will be negative,\n        and the vector lengths are always positive values\n        */\n        return this.x * vec.x + this.y * vec.y;\n    },\n    crossProduct: function(vec) {\n        /*\n        The sign tells us if vec to the left (-) or the right (+) of this vec\n        */\n        return this.x * vec.y - this.y * vec.x;\n    },\n    distanceSq: function(vec) {\n        var dx = vec.x - this.x;\n        var dy = vec.y - this.y;\n        return dx * dx + dy * dy;\n    },\n    distance: function(vec) {\n        return Math.sqrt(this.distanceSq(vec));\n    },\n    clone: function() {\n        return Vec2.get(this.x, this.y);\n    },\n    reset: function() {\n        this.x = 0;\n        this.y = 0;\n        return this;\n    },\n    perpendicular: function() {\n        return Vec2.get(-this.y, this.x);\n    },\n    sign: function(vec) {\n        // Determines if a given vector is to the right or left of this vector.\n        // If to the left, returns -1. If to the right, +1.\n        var p = this.perpendicular();\n        var s = p.dotProduct(vec) < 0 ? -1 : 1;\n        p.dispose();\n        return s;\n    },\n    set: function(x, y) {\n        this.x = x || 0;\n        this.y = y || 0;\n        return this;\n    },\n    dispose: function() {\n        Vec2.pool.push(this.reset());\n    }\n};\n\n// getters / setters\n\nObject.defineProperties(Vec2.prototype, {\n    lengthSquared: {\n        get: function() {\n            return this.x * this.x + this.y * this.y;\n        }\n    },\n    length: {\n        get: function() {\n            return Math.sqrt(this.lengthSquared);\n        },\n        set: function(value) {\n            var a = this.angle;\n            this.x = Math.cos(a) * value;\n            this.y = Math.sin(a) * value;\n        }\n    },\n    angle: {\n        get: function() {\n            return Math.atan2(this.y, this.x);\n        },\n        set: function(value) {\n            var l = this.length;\n            this.x = Math.cos(value) * l;\n            this.y = Math.sin(value) * l;\n        }\n    }\n});\n\n// static\n\nVec2.pool = [];\nVec2.get = function(x, y) {\n    var v = Vec2.pool.length > 0 ? Vec2.pool.pop() : new Vec2();\n    v.set(x, y);\n    return v;\n};\n\nVec2.fill = function(n) {\n    while (Vec2.pool.length < n) {\n        Vec2.pool.push(new Vec2());\n    }\n};\n\nVec2.angleBetween = function(a, b) {\n    if (!a.isNormalized()) {\n        a = a.clone().normalize();\n    }\n    if (!b.isNormalized()) {\n        b = b.clone().normalize();\n    }\n    return Math.acos(a.dotProduct(b));\n};\n\nif (typeof module === 'object' && module.exports) {\n    module.exports = Vec2;\n}\n"]}
+});
\ No newline at end of file
diff --git a/dist/boid.min.js b/dist/boid.min.js
index dc5256d..1534ac4 100644
--- a/dist/boid.min.js
+++ b/dist/boid.min.js
@@ -1 +1 @@
-!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;e="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,e.Boid=t()}}(function(){return function t(e,n,i){function r(s,u){if(!n[s]){if(!e[s]){var a="function"==typeof require&&require;if(!u&&a)return a(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var d=n[s]={exports:{}};e[s][0].call(d.exports,function(t){var n=e[s][1][t];return r(n?n:t)},d,d.exports,t,e,n,i)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s<i.length;s++)r(i[s]);return r}({1:[function(t,e,n){"use strict";function i(t){t=o(t);var e=s.get(),n=s.get(),r=s.get(),u=t.bounds,a=t.edgeBehavior,c=t.mass,d=t.maxSpeed,h=d*d,f=t.maxForce,l=t.arriveThreshold,p=l*l,y=t.wanderDistance,g=t.wanderRadius,x=t.wanderAngle,v=t.wanderRange,m=t.avoidDistance,b=t.avoidBuffer,w=0,B=t.pathThreshold,D=B*B,q=t.maxDistance,E=q*q,z=t.minDistance,S=z*z,P=function(t,e,n,i){return u.width=t,u.height=e,u.x=n||0,u.y=i||0,W},M=function(){return r.truncate(f),r.divideBy(c),n.add(r),r.reset(),n.truncate(d),e.add(n),a===i.EDGE_BOUNCE?O():a===i.EDGE_WRAP&&j(),W},O=function(){e.x>u.width?(e.x=u.width,n.x*=-1):e.x<u.x&&(e.x=u.x,n.x*=-1),e.y>u.height?(e.y=u.height,n.y*=-1):e.y<u.y&&(e.y=u.y,n.y*=-1)},j=function(){e.x>u.width?e.x=u.x:e.x<u.x&&(e.x=u.width),e.y>u.height?e.y=u.y:e.y<u.y&&(e.y=u.height)},N=function(t){var i=t.clone().subtract(e);i.normalize(),i.scaleBy(d);var o=i.subtract(n);return r.add(o),o.dispose(),W},R=function(t){var i=t.clone().subtract(e);i.normalize(),i.scaleBy(d);var o=i.subtract(n);return r.subtract(o),o.dispose(),W},T=function(t){var i=t.clone().subtract(e);i.normalize();var o=e.distanceSq(t);if(o>p)i.scaleBy(d);else{var s=d*o/p;i.scaleBy(s)}var u=i.subtract(n);return r.add(u),u.dispose(),W},_=function(t){var n=e.distanceSq(t.position)/h,i=t.velocity.clone().scaleBy(n),r=t.position.clone().add(i);return N(r),i.dispose(),r.dispose(),W},G=function(t){var n=e.distanceSq(t.position)/h,i=t.velocity.clone().scaleBy(n),r=t.position.clone().add(i);return R(r),i.dispose(),r.dispose(),W},A=function(){var t=n.clone().normalize().scaleBy(y),e=s.get();e.length=g,e.angle=x,x+=Math.random()*v-.5*v;var i=t.add(e);return r.add(i),e.dispose(),i.dispose(),W},F=function(t){for(var i=0;i<t.length;i++){var o=t[i],s=n.clone().normalize(),u=o.position.clone().subtract(e),a=u.dotProduct(s);if(a>0){var c=s.clone().scaleBy(m),h=s.clone().scaleBy(a),f=h.subtract(u),l=f.length;if(l<(o.radius||0)+b&&h.length<c.length){var p=s.clone().scaleBy(d);p.angle+=u.sign(n)*Math.PI/2,p.scaleBy(1-h.length/c.length),r.add(p),n.scaleBy(h.length/c.length),p.dispose()}c.dispose(),h.dispose(),f.dispose()}s.dispose(),u.dispose()}return W},U=function(t,n){n=!!n;var i=t[w];return i?(e.distanceSq(i)<D&&(w>=t.length-1?n&&(w=0):w++),w>=t.length-1&&!n?T(i):N(i),W):(w=0,W)},k=function(t){for(var e=n.clone(),i=s.get(),o=0,u=0;u<t.length;u++){var a=t[u];a!==W&&C(a)&&(e.add(a.velocity),i.add(a.position),I(a)&&R(a.position),o++)}return o>0&&(e.divideBy(o),i.divideBy(o),N(i),r.add(e.subtract(n))),e.dispose(),i.dispose(),W},C=function(t){if(e.distanceSq(t.position)>E)return!1;var i=n.clone().normalize(),r=t.position.clone().subtract(e),o=r.dotProduct(i);return i.dispose(),r.dispose(),!(0>o)},I=function(t){return e.distanceSq(t.position)<S},W={setBounds:P,update:M,pursue:_,evade:G,wander:A,avoid:F,followPath:U,flock:k,arrive:T,seek:N,flee:R,position:e,velocity:n,userData:{}};return Object.defineProperties(W,{edgeBehavior:{get:function(){return a},set:function(t){a=t}},mass:{get:function(){return c},set:function(t){c=t}},maxSpeed:{get:function(){return d},set:function(t){d=t,h=t*t}},maxForce:{get:function(){return f},set:function(t){f=t}},arriveThreshold:{get:function(){return l},set:function(t){l=t,p=t*t}},wanderDistance:{get:function(){return y},set:function(t){y=t}},wanderRadius:{get:function(){return g},set:function(t){g=t}},wanderRange:{get:function(){return v},set:function(t){v=t}},avoidDistance:{get:function(){return m},set:function(t){m=t}},avoidBuffer:{get:function(){return b},set:function(t){b=t}},pathIndex:{get:function(){return w},set:function(t){w=t}},pathThreshold:{get:function(){return B},set:function(t){B=t,D=t*t}},maxDistance:{get:function(){return q},set:function(t){q=t,E=t*t}},minDistance:{get:function(){return z},set:function(t){z=t,S=t*t}}}),Object.freeze(W)}function r(t,e){Object.keys(e).forEach(function(n){"undefined"==typeof t[n]&&(t[n]=e[n])})}function o(t){return t=t||{},t.bounds=t.bounds||{},r(t,u),r(t.bounds,u.bounds),t}var s=t("./vec2.js"),u={bounds:{x:0,y:0,width:640,height:480},edgeBehavior:"bounce",mass:1,maxSpeed:10,maxForce:1,arriveThreshold:50,wanderDistance:10,wanderRadius:5,wanderAngle:0,wanderRange:1,avoidDistance:300,avoidBuffer:20,pathThreshold:20,maxDistance:300,minDistance:60};i.EDGE_NONE="none",i.EDGE_BOUNCE="bounce",i.EDGE_WRAP="wrap",i.Vec2=s,i.vec2=function(t,e){return s.get(t,e)},i.obstacle=function(t,e,n){return{radius:t,position:s.get(e,n)}},"object"==typeof e&&e.exports&&(e.exports=i)},{"./vec2.js":2}],2:[function(t,e,n){"use strict";function i(t,e){this.x=t||0,this.y=e||0}i.prototype={add:function(t){return this.x=this.x+t.x,this.y=this.y+t.y,this},subtract:function(t){return this.x=this.x-t.x,this.y=this.y-t.y,this},normalize:function(){var t=this.length;return 0===t?(this.x=1,this):1===t?this:(this.x/=t,this.y/=t,this)},isNormalized:function(){return 1===this.length},truncate:function(t){return this.length>t&&(this.length=t),this},scaleBy:function(t){return this.x*=t,this.y*=t,this},divideBy:function(t){return this.x/=t,this.y/=t,this},equals:function(t){return this.x===t.x&&this.y===t.y},negate:function(){return this.x=-this.x,this.y=-this.y,this},dotProduct:function(t){return this.x*t.x+this.y*t.y},crossProduct:function(t){return this.x*t.y-this.y*t.x},distanceSq:function(t){var e=t.x-this.x,n=t.y-this.y;return e*e+n*n},distance:function(t){return Math.sqrt(this.distanceSq(t))},clone:function(){return i.get(this.x,this.y)},reset:function(){return this.x=0,this.y=0,this},perpendicular:function(){return i.get(-this.y,this.x)},sign:function(t){var e=this.perpendicular(),n=e.dotProduct(t)<0?-1:1;return e.dispose(),n},set:function(t,e){return this.x=t||0,this.y=e||0,this},dispose:function(){i.pool.push(this.reset())}},Object.defineProperties(i.prototype,{lengthSquared:{get:function(){return this.x*this.x+this.y*this.y}},length:{get:function(){return Math.sqrt(this.lengthSquared)},set:function(t){var e=this.angle;this.x=Math.cos(e)*t,this.y=Math.sin(e)*t}},angle:{get:function(){return Math.atan2(this.y,this.x)},set:function(t){var e=this.length;this.x=Math.cos(t)*e,this.y=Math.sin(t)*e}}}),i.pool=[],i.get=function(t,e){var n=i.pool.length>0?i.pool.pop():new i;return n.set(t,e),n},i.fill=function(t){for(;i.pool.length<t;)i.pool.push(new i)},i.angleBetween=function(t,e){return t.isNormalized()||(t=t.clone().normalize()),e.isNormalized()||(e=e.clone().normalize()),Math.acos(t.dotProduct(e))},"object"==typeof e&&e.exports&&(e.exports=i)},{}]},{},[1])(1)});
\ No newline at end of file
+!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;e="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,e.Boid=t()}}(function(){return function t(e,n,i){function r(s,u){if(!n[s]){if(!e[s]){var a="function"==typeof require&&require;if(!u&&a)return a(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var d=n[s]={exports:{}};e[s][0].call(d.exports,function(t){var n=e[s][1][t];return r(n?n:t)},d,d.exports,t,e,n,i)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s<i.length;s++)r(i[s]);return r}({1:[function(t,e,n){"use strict";function i(t){t=o(t);var e=s.get(),n=s.get(),r=s.get(),u=t.bounds,a=t.edgeBehavior,c=t.mass,d=t.maxSpeed,h=d*d,f=t.maxForce,l=t.arriveThreshold,p=l*l,y=t.wanderDistance,g=t.wanderRadius,x=t.wanderAngle,v=t.wanderRange,m=t.avoidDistance,b=t.avoidBuffer,B=0,w=t.pathThreshold,D=w*w,q=t.maxDistance,E=q*q,z=t.minDistance,S=z*z,P=function(t,e,n,i){return u.width=t,u.height=e,u.x=n||0,u.y=i||0,W},M=function(){return r.truncate(f),r.divideBy(c),n.add(r),r.reset(),n.truncate(d),e.add(n),a===i.EDGE_BOUNCE?O():a===i.EDGE_WRAP&&j(),W},O=function(){var t=u.x+u.width;e.x>t?(e.x=t,n.x*=-1):e.x<u.x&&(e.x=u.x,n.x*=-1);var i=u.y+u.height;e.y>i?(e.y=i,n.y*=-1):e.y<u.y&&(e.y=u.y,n.y*=-1)},j=function(){var t=u.x+u.width;e.x>t?e.x=u.x:e.x<u.x&&(e.x=t);var n=u.y+u.height;e.y>n?e.y=u.y:e.y<u.y&&(e.y=n)},N=function(t){var i=t.clone().subtract(e);i.normalize(),i.scaleBy(d);var o=i.subtract(n);return r.add(o),o.dispose(),W},R=function(t){var i=t.clone().subtract(e);i.normalize(),i.scaleBy(d);var o=i.subtract(n);return r.subtract(o),o.dispose(),W},T=function(t){var i=t.clone().subtract(e);i.normalize();var o=e.distanceSq(t);if(o>p)i.scaleBy(d);else{var s=d*o/p;i.scaleBy(s)}var u=i.subtract(n);return r.add(u),u.dispose(),W},_=function(t){var n=e.distanceSq(t.position)/h,i=t.velocity.clone().scaleBy(n),r=t.position.clone().add(i);return N(r),i.dispose(),r.dispose(),W},G=function(t){var n=e.distanceSq(t.position)/h,i=t.velocity.clone().scaleBy(n),r=t.position.clone().add(i);return R(r),i.dispose(),r.dispose(),W},A=function(){var t=n.clone().normalize().scaleBy(y),e=s.get();e.length=g,e.angle=x,x+=Math.random()*v-.5*v;var i=t.add(e);return r.add(i),e.dispose(),i.dispose(),W},F=function(t){for(var i=0;i<t.length;i++){var o=t[i],s=n.clone().normalize(),u=o.position.clone().subtract(e),a=u.dotProduct(s);if(a>0){var c=s.clone().scaleBy(m),h=s.clone().scaleBy(a),f=h.subtract(u),l=f.length;if(l<(o.radius||0)+b&&h.length<c.length){var p=s.clone().scaleBy(d);p.angle+=u.sign(n)*Math.PI/2,p.scaleBy(1-h.length/c.length),r.add(p),n.scaleBy(h.length/c.length),p.dispose()}c.dispose(),h.dispose(),f.dispose()}s.dispose(),u.dispose()}return W},U=function(t,n){n=!!n;var i=t[B];return i?(e.distanceSq(i)<D&&(B>=t.length-1?n&&(B=0):B++),B>=t.length-1&&!n?T(i):N(i),W):(B=0,W)},k=function(t){for(var e=n.clone(),i=s.get(),o=0,u=0;u<t.length;u++){var a=t[u];a!==W&&C(a)&&(e.add(a.velocity),i.add(a.position),I(a)&&R(a.position),o++)}return o>0&&(e.divideBy(o),i.divideBy(o),N(i),r.add(e.subtract(n))),e.dispose(),i.dispose(),W},C=function(t){if(e.distanceSq(t.position)>E)return!1;var i=n.clone().normalize(),r=t.position.clone().subtract(e),o=r.dotProduct(i);return i.dispose(),r.dispose(),0>o?!1:!0},I=function(t){return e.distanceSq(t.position)<S},W={bounds:u,setBounds:P,update:M,pursue:_,evade:G,wander:A,avoid:F,followPath:U,flock:k,arrive:T,seek:N,flee:R,position:e,velocity:n,userData:{}};return Object.defineProperties(W,{edgeBehavior:{get:function(){return a},set:function(t){a=t}},mass:{get:function(){return c},set:function(t){c=t}},maxSpeed:{get:function(){return d},set:function(t){d=t,h=t*t}},maxForce:{get:function(){return f},set:function(t){f=t}},arriveThreshold:{get:function(){return l},set:function(t){l=t,p=t*t}},wanderDistance:{get:function(){return y},set:function(t){y=t}},wanderRadius:{get:function(){return g},set:function(t){g=t}},wanderRange:{get:function(){return v},set:function(t){v=t}},avoidDistance:{get:function(){return m},set:function(t){m=t}},avoidBuffer:{get:function(){return b},set:function(t){b=t}},pathIndex:{get:function(){return B},set:function(t){B=t}},pathThreshold:{get:function(){return w},set:function(t){w=t,D=t*t}},maxDistance:{get:function(){return q},set:function(t){q=t,E=t*t}},minDistance:{get:function(){return z},set:function(t){z=t,S=t*t}}}),Object.freeze(W)}function r(t,e){Object.keys(e).forEach(function(n){"undefined"==typeof t[n]&&(t[n]=e[n])})}function o(t){return t=t||{},t.bounds=t.bounds||{},r(t,u),r(t.bounds,u.bounds),t}var s=t("./vec2.js"),u={bounds:{x:0,y:0,width:640,height:480},edgeBehavior:"bounce",mass:1,maxSpeed:10,maxForce:1,arriveThreshold:50,wanderDistance:10,wanderRadius:5,wanderAngle:0,wanderRange:1,avoidDistance:300,avoidBuffer:20,pathThreshold:20,maxDistance:300,minDistance:60};i.EDGE_NONE="none",i.EDGE_BOUNCE="bounce",i.EDGE_WRAP="wrap",i.Vec2=s,i.vec2=function(t,e){return s.get(t,e)},i.obstacle=function(t,e,n){return{radius:t,position:s.get(e,n)}},"object"==typeof e&&e.exports&&(e.exports=i)},{"./vec2.js":2}],2:[function(t,e,n){"use strict";function i(t,e){this.x=t||0,this.y=e||0}i.prototype={add:function(t){return this.x=this.x+t.x,this.y=this.y+t.y,this},subtract:function(t){return this.x=this.x-t.x,this.y=this.y-t.y,this},normalize:function(){var t=this.length;return 0===t?(this.x=1,this):1===t?this:(this.x/=t,this.y/=t,this)},isNormalized:function(){return 1===this.length},truncate:function(t){return this.length>t&&(this.length=t),this},scaleBy:function(t){return this.x*=t,this.y*=t,this},divideBy:function(t){return this.x/=t,this.y/=t,this},equals:function(t){return this.x===t.x&&this.y===t.y},negate:function(){return this.x=-this.x,this.y=-this.y,this},dotProduct:function(t){return this.x*t.x+this.y*t.y},crossProduct:function(t){return this.x*t.y-this.y*t.x},distanceSq:function(t){var e=t.x-this.x,n=t.y-this.y;return e*e+n*n},distance:function(t){return Math.sqrt(this.distanceSq(t))},clone:function(){return i.get(this.x,this.y)},reset:function(){return this.x=0,this.y=0,this},perpendicular:function(){return i.get(-this.y,this.x)},sign:function(t){var e=this.perpendicular(),n=e.dotProduct(t)<0?-1:1;return e.dispose(),n},set:function(t,e){return this.x=t||0,this.y=e||0,this},dispose:function(){i.pool.push(this.reset())}},Object.defineProperties(i.prototype,{lengthSquared:{get:function(){return this.x*this.x+this.y*this.y}},length:{get:function(){return Math.sqrt(this.lengthSquared)},set:function(t){var e=this.angle;this.x=Math.cos(e)*t,this.y=Math.sin(e)*t}},angle:{get:function(){return Math.atan2(this.y,this.x)},set:function(t){var e=this.length;this.x=Math.cos(t)*e,this.y=Math.sin(t)*e}}}),i.pool=[],i.get=function(t,e){var n=i.pool.length>0?i.pool.pop():new i;return n.set(t,e),n},i.fill=function(t){for(;i.pool.length<t;)i.pool.push(new i)},i.angleBetween=function(t,e){return t.isNormalized()||(t=t.clone().normalize()),e.isNormalized()||(e=e.clone().normalize()),Math.acos(t.dotProduct(e))},"object"==typeof e&&e.exports&&(e.exports=i)},{}]},{},[1])(1)});
\ No newline at end of file
diff --git a/package.json b/package.json
index c1a8dc9..452525b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "boid",
-  "version": "0.2.2",
+  "version": "0.2.4",
   "description": "Bird-like behaviours",
   "keywords": [
     "boid",
diff --git a/src/boid.js b/src/boid.js
index 416c312..f10bb60 100644
--- a/src/boid.js
+++ b/src/boid.js
@@ -85,15 +85,18 @@ function Boid(options) {
     };
 
     var bounce = function() {
-        if (position.x > bounds.width) {
-            position.x = bounds.width;
+        var maxX = bounds.x + bounds.width;
+        if (position.x > maxX) {
+            position.x = maxX;
             velocity.x *= -1;
         } else if (position.x < bounds.x) {
             position.x = bounds.x;
             velocity.x *= -1;
         }
-        if (position.y > bounds.height) {
-            position.y = bounds.height;
+
+        var maxY = bounds.y + bounds.height;
+        if (position.y > maxY) {
+            position.y = maxY;
             velocity.y *= -1;
         } else if (position.y < bounds.y) {
             position.y = bounds.y;
@@ -102,15 +105,18 @@ function Boid(options) {
     };
 
     var wrap = function() {
-        if (position.x > bounds.width) {
+        var maxX = bounds.x + bounds.width;
+        if (position.x > maxX) {
             position.x = bounds.x;
         } else if (position.x < bounds.x) {
-            position.x = bounds.width;
+            position.x = maxX;
         }
-        if (position.y > bounds.height) {
+
+        var maxY = bounds.y + bounds.height;
+        if (position.y > maxY) {
             position.y = bounds.y;
         } else if (position.y < bounds.y) {
-            position.y = bounds.height;
+            position.y = maxY;
         }
     };
 
@@ -329,6 +335,7 @@ function Boid(options) {
 
     // methods
     var boid = {
+        bounds: bounds,
         setBounds: setBounds,
         update: update,
         pursue: pursue,
diff --git a/test/boid.spec.js b/test/boid.spec.js
index 32414e1..439b146 100644
--- a/test/boid.spec.js
+++ b/test/boid.spec.js
@@ -5,32 +5,39 @@ var Boid = require('../src/boid.js');
 
 describe('boid', function() {
 
-  var boid = new Boid();
-
-  it ('should have created a boid instance', function() {
-    expect(boid).to.be.an('object');
-    expect(boid.setBounds).to.be.a('function');
-    expect(boid.update).to.be.a('function');
-    expect(boid.pursue).to.be.a('function');
-    expect(boid.evade).to.be.a('function');
-    expect(boid.wander).to.be.a('function');
-    expect(boid.avoid).to.be.a('function');
-    expect(boid.followPath).to.be.a('function');
-    expect(boid.flock).to.be.a('function');
-    expect(boid.arrive).to.be.a('function');
-    expect(boid.flee).to.be.a('function');
-
-    expect(boid.position).to.be.an('object');
-    expect(boid.velocity).to.be.an('object');
-    // expect(boid.edgeBehaviour).to.be.a('string');
-    expect(boid.mass).to.be.a('number');
-    expect(boid.maxSpeed).to.be.a('number');
-    expect(boid.maxForce).to.be.a('number');
-  });
-
-  it ('should have static members', function() {
-    expect(Boid.vec2).to.be.a('function');
-    expect(Boid.obstacle).to.be.a('function');
-  });
+    var boid = new Boid();
+
+    it('should have created a boid instance', function() {
+        expect(boid).to.be.an('object');
+    });
+
+    it('should have methods', function() {
+        expect(boid.setBounds).to.be.a('function');
+        expect(boid.update).to.be.a('function');
+        expect(boid.pursue).to.be.a('function');
+        expect(boid.evade).to.be.a('function');
+        expect(boid.wander).to.be.a('function');
+        expect(boid.avoid).to.be.a('function');
+        expect(boid.followPath).to.be.a('function');
+        expect(boid.flock).to.be.a('function');
+        expect(boid.arrive).to.be.a('function');
+        expect(boid.flee).to.be.a('function');
+        expect(boid.seek).to.be.a('function');
+    });
+
+    it('should have props', function() {
+        expect(boid.position).to.be.an('object');
+        expect(boid.velocity).to.be.an('object');
+        expect(boid.bounds).to.be.an('object');
+        // expect(boid.edgeBehaviour).to.be.a('string');
+        expect(boid.mass).to.be.a('number');
+        expect(boid.maxSpeed).to.be.a('number');
+        expect(boid.maxForce).to.be.a('number');
+    });
+
+    it('should have static members', function() {
+        expect(Boid.vec2).to.be.a('function');
+        expect(Boid.obstacle).to.be.a('function');
+    });
 
 });