Compound Body From Physics Editor

var config = {
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    backgroundColor: '#0094f7',
    parent: 'phaser-example',
    physics: {
        default: 'matter',
        matter: {
            debug: true
        }
    },
    scene: {
        preload: preload,
        create: create
    }
};

var game = new Phaser.Game(config);

function preload ()
{
        this.load.setBaseURL('https://cdn.phaserfiles.com/v355');
    this.load.image('ball', 'assets/sprites/green_ball.png');

    this.load.image('image', 'assets/physics/compound.png');

    this.load.json('shapes', 'assets/physics/compound.json');
}

function create ()
{
    this.matter.world.setBounds(0, 0, 800, 600, 32, true, true, false, true);

    var Body = Phaser.Physics.Matter.Matter.Body;
    var Bodies = Phaser.Physics.Matter.Matter.Bodies;
    var Composite = Phaser.Physics.Matter.Matter.Composite;
    var Parser = Phaser.Physics.Matter.PhysicsEditorParser;

    var shapes = this.cache.json.get('shapes');

    var composite = Composite.create();

    var parts = [ 'bird', 'p', 'h', 'a', 's', 'e', 'r' ];

    for (var i = 0; i < parts.length; i++)
    {
        var body = Body.create({ isStatic: true });

        Body.setParts(body, Parser.parseVertices(shapes[parts[i]].fixtures[0].vertices));

        Composite.addBody(composite, body);
    }

    /*
    var fixtures = shapes.logo.fixtures;

    for (var i = 0; i < fixtures.length; i++)
    {
        var body = Body.create({ isStatic: true });

        Body.setParts(body, parseVertices(fixtures[i].vertices));

        Composite.addBody(composite, body);
    }
    */

    Composite.translate(composite, { x: 0, y: 150 });

    this.matter.world.add(composite);

    this.add.image(400, 300, 'image');

    for (var i = 0; i < 64; i++)
    {
        var ball = this.matter.add.image(Phaser.Math.Between(100, 700), Phaser.Math.Between(-600, 0), 'ball');
        ball.setCircle();
        ball.setFriction(0.005);
        ball.setBounce(1);
    }
}

function parseVertices (vertexSets, options)
{
    var Matter = Phaser.Physics.Matter.Matter;

    var i, j, k, v, z;
    var parts = [];

    options = options || {};

    for (v = 0; v < vertexSets.length; v += 1)
    {
        parts.push(Matter.Body.create(Matter.Common.extend({
            position: Matter.Vertices.centre(vertexSets[v]),
            vertices: vertexSets[v]
        }, options)));
    }

    // flag coincident part edges
    var coincidentMaxDist = 5;

    for (i = 0; i < parts.length; i++)
    {
        var partA = parts[i];

        for (j = i + 1; j < parts.length; j++)
        {
            var partB = parts[j];

            if (Matter.Bounds.overlaps(partA.bounds, partB.bounds))
            {
                var pav = partA.vertices,
                    pbv = partB.vertices;

                // iterate vertices of both parts
                for (k = 0; k < partA.vertices.length; k++)
                {
                    for (z = 0; z < partB.vertices.length; z++)
                    {
                        // find distances between the vertices
                        var da = Matter.Vector.magnitudeSquared(Matter.Vector.sub(pav[(k + 1) % pav.length], pbv[z])),
                            db = Matter.Vector.magnitudeSquared(Matter.Vector.sub(pav[k], pbv[(z + 1) % pbv.length]));

                        // if both vertices are very close, consider the edge concident (internal)
                        if (da < coincidentMaxDist && db < coincidentMaxDist)
                        {
                            pav[k].isInternal = true;
                            pbv[z].isInternal = true;
                        }
                    }
                }

            }
        }
    }

    return parts;
}
                        

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