2016-10-26 11:19:43 -04:00
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var RenderedTarget = require('./rendered-target');
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2016-06-29 13:48:30 -04:00
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var Blocks = require('../engine/blocks');
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2016-07-06 14:09:06 -04:00
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/**
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* Sprite to be used on the Scratch stage.
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* All clones of a sprite have shared blocks, shared costumes, shared variables.
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* @param {?Blocks} blocks Shared blocks object for all clones of sprite.
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2016-09-15 19:37:12 -04:00
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* @param {Runtime} runtime Reference to the runtime.
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2016-07-06 14:09:06 -04:00
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* @constructor
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*/
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2016-10-23 17:55:31 -04:00
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var Sprite = function (blocks, runtime) {
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2016-09-15 19:37:12 -04:00
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this.runtime = runtime;
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2016-06-29 13:48:30 -04:00
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if (!blocks) {
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// Shared set of blocks for all clones.
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blocks = new Blocks();
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}
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this.blocks = blocks;
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2016-08-31 11:30:09 -04:00
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/**
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* Human-readable name for this sprite (and all clones).
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* @type {string}
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*/
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this.name = '';
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/**
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* List of costumes for this sprite.
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* Each entry is an object, e.g.,
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* {
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* skin: "costume.svg",
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* name: "Costume Name",
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* bitmapResolution: 2,
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* rotationCenterX: 0,
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* rotationCenterY: 0
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* }
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* @type {Array.<!Object>}
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*/
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2016-08-31 11:21:32 -04:00
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this.costumes = [];
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2016-09-28 16:42:25 -04:00
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/**
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* List of sounds for this sprite.
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*/
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this.sounds = [];
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2016-08-31 11:30:09 -04:00
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/**
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* List of clones for this sprite, including the original.
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2016-10-26 13:27:24 -04:00
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* @type {Array.<!RenderedTarget>}
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2016-08-31 11:30:09 -04:00
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*/
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2016-06-29 13:48:30 -04:00
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this.clones = [];
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2016-10-23 17:55:31 -04:00
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};
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2016-06-29 13:48:30 -04:00
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2016-07-06 14:09:06 -04:00
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/**
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* Create a clone of this sprite.
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2017-02-13 17:44:51 -05:00
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* @returns {!RenderedTarget} Newly created clone.
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2016-07-06 14:09:06 -04:00
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*/
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2016-06-29 20:56:55 -04:00
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Sprite.prototype.createClone = function () {
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2016-10-26 11:19:43 -04:00
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var newClone = new RenderedTarget(this, this.runtime);
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2016-10-23 17:55:31 -04:00
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newClone.isOriginal = this.clones.length === 0;
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2016-06-29 20:56:55 -04:00
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this.clones.push(newClone);
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2016-09-15 19:37:12 -04:00
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if (newClone.isOriginal) {
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newClone.initDrawable();
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}
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2016-06-29 20:56:55 -04:00
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return newClone;
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};
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2016-06-29 13:48:30 -04:00
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module.exports = Sprite;
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