r3-legacy/src/game-lib-d3-broadphase.js

/**
 * Broadphase Runtime
 * @param physics GameLib.GraphicsRuntime
 * @param apiBroadphase GameLib.D3.API.Broadphase
 * @constructor
 */
GameLib.D3.Broadphase = function (
    physics,
    apiBroadphase
) {

    this.physics = physics;
    this.physics.isNotCannonThrow();

    if (GameLib.Utils.UndefinedOrNull(apiBroadphase)) {
        apiBroadphase = {};
    }

    if (apiBroadphase instanceof GameLib.D3.Broadphase) {
        return apiBroadphase;
    }

    GameLib.D3.API.Broadphase.call(
        this,
        apiBroadphase.id,
        apiBroadphase.name,
        apiBroadphase.broadphaseType,
        apiBroadphase.parentEntity
    );

    GameLib.Component.call(
        this,
        GameLib.Component.COMPONENT_BROADPHASE
    );
};

GameLib.D3.Broadphase.prototype = Object.create(GameLib.D3.API.Broadphase.prototype);
GameLib.D3.Broadphase.prototype.constructor = GameLib.D3.Broadphase;

/**
 *
 * @returns {*}
 */
GameLib.D3.Broadphase.prototype.createInstance = function() {

    if (this.broadphaseType === GameLib.D3.Broadphase.BROADPHASE_TYPE_NAIVE) {
        this.instance = new CANNON.NaiveBroadphase();
    } else if (this.broadphaseType === GameLib.D3.Broadphase.BROADPHASE_TYPE_GRID) {
        this.instance = new CANNON.GridBroadphase();
    } else if (this.broadphaseType === GameLib.D3.Broadphase.BROADPHASE_TYPE_SAP) {
        this.instance = new CANNON.SAPBroadphase();
    } else {
        console.warn('Unsupported broadphase type: ' + this.broadphaseType);
        throw new Error('Unsupported broadphase type: ' + this.broadphaseType);
    }

    GameLib.Component.prototype.createInstance.call(this);
};

/**
 *
 */
GameLib.D3.Broadphase.prototype.updateInstance = function() {

    if (this.broadphaseType === GameLib.D3.Broadphase.BROADPHASE_TYPE_NAIVE) {
        if (!(this.instance instanceof CANNON.NaiveBroadphase)) {
            this.createInstance();
        }
    }

	if (this.broadphaseType === GameLib.D3.Broadphase.BROADPHASE_TYPE_GRID) {
		if (!(this.instance instanceof CANNON.GridBroadphase)) {
            this.createInstance();
		}
	}

	if (this.broadphaseType === GameLib.D3.Broadphase.BROADPHASE_TYPE_SAP) {
		if (!(this.instance instanceof CANNON.SAPBroadphase)) {
            this.createInstance();
		}
	}
};

/**
 * GameLib.D3.Broadphase to GameLib.D3.API.Broadphase
 * @returns {GameLib.D3.API.Broadphase}
 */
GameLib.D3.Broadphase.prototype.toApiObject = function() {

    var apiBroadphase = new GameLib.D3.API.Broadphase(
        this.id,
        this.name,
        this.broadphaseType,
        GameLib.Utils.IdOrNull(this.parentEntity)
    );

    return apiBroadphase;
};

/**
 * GameLib.D3.Broadphase from Object Broadphase
 * @param graphics
 * @param objectComponent
 * @returns {GameLib.D3.Broadphase}
 * @constructor
 */
GameLib.D3.Broadphase.FromObject = function(graphics, objectComponent) {

    var apiBroadphase = GameLib.D3.API.Broadphase.FromObject(objectComponent);

    return new GameLib.D3.Broadphase(
        graphics,
        apiBroadphase
    );
};

/**
 * Broadphase Types
 * @type {number}
 */
GameLib.D3.Broadphase.BROADPHASE_TYPE_NAIVE = 0x1;
GameLib.D3.Broadphase.BROADPHASE_TYPE_GRID  = 0x2;
GameLib.D3.Broadphase.BROADPHASE_TYPE_SAP   = 0x3;