/**
 * 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 vertices
 * @param indices
 * @constructor
 */
GameLib.D3.Shape.TriMesh = function (
	physics,
    apiShape,
    vertices,
	indices
) {
    this.physics = physics;
    this.physics.isNotCannonThrow();

    if (GameLib.Utils.UndefinedOrNull(vertices)) {
		vertices = [];
    }
    this.vertices = vertices;

	if (GameLib.Utils.UndefinedOrNull(indices)) {
		indices = [];
	}
	this.indices = indices;

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

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

/**
 * Create instance
 * @returns {GameLib.D3.Shape.TriMesh}
 */
GameLib.D3.Shape.TriMesh.prototype.createInstance = function() {

	var instance = new CANNON.TriMesh(
		this.vertices,
		this.indices
	);

    return instance;
};

/**
 * Update instance
 */
GameLib.D3.Shape.TriMesh.prototype.updateInstance = function() {
    this.instance.vertices = this.vertices;
    this.instance.indices = this.indices;
    this.instance.updateAABB();
    this.instance.updateBoundingSphereRadius();
    this.instance.updateEdges();
    this.instance.updateNormals();
    this.instance.updateTree();
};