/**
 * Shape Superset - The apiShape properties get moved into the Shape object itself, and then the instance is created
 * @param physics
 * @param apiShape GameLib.D3.API.Shape
 * @param halfExtents
 * @param parentMesh
 * @constructor
 */
GameLib.D3.Shape.Box = function (
	physics,
    apiShape,
    halfExtents,
    parentMesh
) {
    this.physics = physics;
    this.physics.isNotCannonThrow();

    if (GameLib.Utils.UndefinedOrNull(halfExtents)) {
        halfExtents = new GameLib.Vector3(
            physics,
            new GameLib.API.Vector3(
                1,1,1
            )
        );
    } else if (halfExtents instanceof GameLib.API.Vector3) {
        halfExtents = new GameLib.Vector3(
            this.physics,
            halfExtents,
            this
        )
    }
    this.halfExtents = halfExtents;

	if (GameLib.Utils.UndefinedOrNull(parentMesh)) {
        parentMesh = null;
	}
	this.parentMesh = parentMesh;

    GameLib.D3.Shape.call(
        this,
        this.physics,
        apiShape
    );
};

GameLib.D3.Shape.Box.prototype = Object.create(GameLib.D3.Shape.prototype);
GameLib.D3.Shape.Box.prototype.constructor = GameLib.D3.Shape.Box;

/**
 *
 * @returns {GameLib.D3.Shape.Box|*|SEA3D.Box}
 */
GameLib.D3.Shape.Box.prototype.createInstance = function() {

	var instance = new CANNON.Box(
		this.halfExtents.instance
	);

    return instance;
};

GameLib.D3.Shape.Box.prototype.updateInstance = function() {
    this.instance.halfExtents.x = this.halfExtents.x;
    this.instance.halfExtents.y = this.halfExtents.y;
    this.instance.halfExtents.z = this.halfExtents.z;
	this.instance.updateBoundingSphereRadius();
	this.instance.updateConvexPolyhedronRepresentation();
};

GameLib.D3.Shape.prototype.visualize = function() {

};

GameLib.D3.Shape.Box.prototype.toApiObject = function() {

    var apiShape = GameLib.D3.Shape.prototype.toApiObject.call(this);

    apiShape.halfExtents = this.halfExtents.toApiObject();
    apiShape.parentMesh = GameLib.Utils.IdOrNull(this.parentMesh);

    return apiShape;
};

GameLib.D3.Shape.Box.prototype.setFromMesh = function() {

    if (this.parentMesh === null) {
        console.log('select a mesh first');
        return;
    }

    var box = this.parentMesh.getBoundingBox();

    this.halfExtents.x = box.x / 2;
    this.halfExtents.y = box.y / 2;
    this.halfExtents.z = box.z / 2;

    this.halfExtents.updateInstance();
};

GameLib.D3.Shape.Box.FromObject = function(physics, objectShape) {

    var apiShape = GameLib.D3.API.Shape.FromObject(objectShape);

    apiShape.halfExtents = GameLib.API.Vector3.FromObject(objectShape.halfExtents);
    apiShape.parentMesh = objectShape.parentMesh;

    return new GameLib.D3.Shape.Box(
        physics,
        apiShape,
        apiShape.halfExtents,
        apiShape.parentMesh
    );

};