/
StaticPhysicsGroup.js
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/
StaticPhysicsGroup.js
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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2020 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
var ArcadeSprite = require('./ArcadeSprite');
var Class = require('../../utils/Class');
var CONST = require('./const');
var GetFastValue = require('../../utils/object/GetFastValue');
var Group = require('../../gameobjects/group/Group');
var IsPlainObject = require('../../utils/object/IsPlainObject');
/**
* @classdesc
* An Arcade Physics Static Group object.
*
* All Game Objects created by or added to this Group will automatically be given static Arcade Physics bodies, if they have no body.
*
* Its dynamic counterpart is {@link Phaser.Physics.Arcade.Group}.
*
* @class StaticGroup
* @extends Phaser.GameObjects.Group
* @memberof Phaser.Physics.Arcade
* @constructor
* @since 3.0.0
*
* @param {Phaser.Physics.Arcade.World} world - The physics simulation.
* @param {Phaser.Scene} scene - The scene this group belongs to.
* @param {(Phaser.GameObjects.GameObject[]|Phaser.Types.GameObjects.Group.GroupConfig|Phaser.Types.GameObjects.Group.GroupCreateConfig)} [children] - Game Objects to add to this group; or the `config` argument.
* @param {Phaser.Types.GameObjects.Group.GroupConfig|Phaser.Types.GameObjects.Group.GroupCreateConfig} [config] - Settings for this group.
*/
var StaticPhysicsGroup = new Class({
Extends: Group,
initialize:
function StaticPhysicsGroup (world, scene, children, config)
{
if (!children && !config)
{
config = {
internalCreateCallback: this.createCallbackHandler,
internalRemoveCallback: this.removeCallbackHandler,
createMultipleCallback: this.createMultipleCallbackHandler,
classType: ArcadeSprite
};
}
else if (IsPlainObject(children))
{
// children is a plain object, so swizzle them:
config = children;
children = null;
config.internalCreateCallback = this.createCallbackHandler;
config.internalRemoveCallback = this.removeCallbackHandler;
config.createMultipleCallback = this.createMultipleCallbackHandler;
config.classType = GetFastValue(config, 'classType', ArcadeSprite);
}
else if (Array.isArray(children) && IsPlainObject(children[0]))
{
// children is an array of plain objects
config = children;
children = null;
config.forEach(function (singleConfig)
{
singleConfig.internalCreateCallback = this.createCallbackHandler;
singleConfig.internalRemoveCallback = this.removeCallbackHandler;
singleConfig.createMultipleCallback = this.createMultipleCallbackHandler;
singleConfig.classType = GetFastValue(singleConfig, 'classType', ArcadeSprite);
});
}
else
{
// config is not defined and children is not a plain object nor an array of plain objects
config = {
internalCreateCallback: this.createCallbackHandler,
internalRemoveCallback: this.removeCallbackHandler
};
}
/**
* The physics simulation.
*
* @name Phaser.Physics.Arcade.StaticGroup#world
* @type {Phaser.Physics.Arcade.World}
* @since 3.0.0
*/
this.world = world;
/**
* The scene this group belongs to.
*
* @name Phaser.Physics.Arcade.StaticGroup#physicsType
* @type {number}
* @default Phaser.Physics.Arcade.STATIC_BODY
* @since 3.0.0
*/
this.physicsType = CONST.STATIC_BODY;
Group.call(this, scene, children, config);
/**
* A textual representation of this Game Object.
* Used internally by Phaser but is available for your own custom classes to populate.
*
* @name Phaser.Physics.Arcade.StaticGroup#type
* @type {string}
* @default 'StaticPhysicsGroup'
* @since 3.21.0
*/
this.type = 'StaticPhysicsGroup';
},
/**
* Adds a static physics body to the new group member (if it lacks one) and adds it to the simulation.
*
* @method Phaser.Physics.Arcade.StaticGroup#createCallbackHandler
* @since 3.0.0
*
* @param {Phaser.GameObjects.GameObject} child - The new group member.
*
* @see Phaser.Physics.Arcade.World#enableBody
*/
createCallbackHandler: function (child)
{
if (!child.body)
{
this.world.enableBody(child, CONST.STATIC_BODY);
}
},
/**
* Disables the group member's physics body, removing it from the simulation.
*
* @method Phaser.Physics.Arcade.StaticGroup#removeCallbackHandler
* @since 3.0.0
*
* @param {Phaser.GameObjects.GameObject} child - The group member being removed.
*
* @see Phaser.Physics.Arcade.World#disableBody
*/
removeCallbackHandler: function (child)
{
if (child.body)
{
this.world.disableBody(child);
}
},
/**
* Refreshes the group.
*
* @method Phaser.Physics.Arcade.StaticGroup#createMultipleCallbackHandler
* @since 3.0.0
*
* @param {Phaser.GameObjects.GameObject[]} entries - The newly created group members.
*
* @see Phaser.Physics.Arcade.StaticGroup#refresh
*/
createMultipleCallbackHandler: function ()
{
this.refresh();
},
/**
* Resets each Body to the position of its parent Game Object.
* Body sizes aren't changed (use {@link Phaser.Physics.Arcade.Components.Enable#refreshBody} for that).
*
* @method Phaser.Physics.Arcade.StaticGroup#refresh
* @since 3.0.0
*
* @return {Phaser.Physics.Arcade.StaticGroup} This group.
*
* @see Phaser.Physics.Arcade.StaticBody#reset
*/
refresh: function ()
{
var children = this.children.entries;
for (var i = 0; i < children.length; i++)
{
children[i].body.reset();
}
return this;
}
});
module.exports = StaticPhysicsGroup;