## Polygon * **create** (): Polygon input are many Vec2(s) * **createConvexHull** (*vec2_list*: Array(<Vec2>)): Polygon Create the convex hull using the Gift wrapping algorithm **source**: [https://github.com/juhl/collision-detection-2d/blob/master/util.js](https://github.com/juhl/collision-detection-2d/blob/master/util.js) **reference**: [http://en.wikipedia.org/wiki/Gift_wrapping_algorithm](http://en.wikipedia.org/wiki/Gift_wrapping_algorithm) **reference**: [http://en.wikibooks.org/wiki/Algorithm_Implementation/Geometry/Convex_hull/Monotone_chain](http://en.wikibooks.org/wiki/Algorithm_Implementation/Geometry/Convex_hull/Monotone_chain) * **fromAABB** (*aabb2*: AABB2): Polygon * **fromRectangle** (*rect*: Rectangle): Polygon * **fromBeizer** (*curve*: Beizer, *npoints*: Number): Polygon Create a polygon, the polygon is a line *todo*: extrude this line * **fromCircle** (*circle*: Circle, *npoints*: Number, *start_radians*: Number): Polygon Create a polygon from a circle start_radians rotate the given polygon * **translate** (*out*: Polygon, *poly*: Polygon, *vec2*: Vec2): Polygon * **rotate** (*out*: Polygon, *poly*: Polygon, *radians*: Number (Radians)): Polygon * **edges** (*out*: Polygon, *poly*: Polygon): Polygon * **normals** (*out*: Polygon, *edges*: Polygon): Polygon * **centroid** (*out_vec2*: Vec2, *poly*: Polygon): Vec2 * **recenter** (*out*: Polygon, *poly*: Polygon): Polygon * **area** (*poly*: Polygon): Number * **transform** (*out*: Polygon, *poly*: Polygon, *m2d*: Matrix23): Polygon * **isVec2Inside** (*poly*: Polygon, *vec2*: Vec2): Boolean * **furthestPoint** (*out_vec2*: Vec2, *poly*: Polygon, *vec2_dir*: Vec2): Number Compute farthest polygon point in particular direction. Return the index in the polygon and a clone in out_vec2 * **furthestMinkowski** (*out_vec2*: Vec2, *poly_a*: Polygon, *poly_b*: Polygon, *vec2_dir*: Vec2): Vec2 furthest Point in the Minkowski diff between A and B polygons for a given direction * **MinkowskiDifference** (*poly_a*: Polygon, *poly_b*: Polygon): Polygon Calculate Minkowski Difference * **momentOfInertia** (*poly*: Polygon, *mass*: Number) **source**: [http://www.gamedev.net/topic/342822-moment-of-inertia-of-a-polygon-2d/](http://www.gamedev.net/topic/342822-moment-of-inertia-of-a-polygon-2d/) **source**: [http://www.physicsforums.com/showthread.php?t=25293&page=2&pp=15](http://www.physicsforums.com/showthread.php?t=25293&page=2&pp=15) * **isConvex** (*poly*: Polygon) **source**: [http://paulbourke.net/geometry/polygonmesh/](http://paulbourke.net/geometry/polygonmesh/) * **toString** (*poly*: Polygon)