Separating Axis Theorem Polygon Structure

sat_2.js

function createPolygon(vertices) {
    const polygon = {};
    polygon.vertices = vertices;
    polygon.edges = buildEdges(vertices);

    polygon.projectInAxis = function(x, y) {
    }

    polygon.testWith = function (otherPolygon) {
    }

    polygon.render = function(context, color) {
    }

    polygon.offset = function(dx, dy) {
    }
    
    return polygon;
}