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    ./demo/canvas-001.js ./demo/canvas-002.js ./demo/canvas-003.js ./demo/canvas-004.js ./demo/canvas-005.js ./demo/canvas-006.js ./demo/canvas-007.js ./demo/canvas-008.js ./demo/canvas-009.js ./demo/canvas-010.js ./demo/canvas-011.js ./demo/canvas-012.js ./demo/canvas-013.js ./demo/canvas-014.js ./demo/canvas-015.js ./demo/canvas-015a.js ./demo/canvas-016.js ./demo/canvas-017.js ./demo/canvas-018.js ./demo/canvas-019.js ./demo/canvas-019a.js ./demo/canvas-020.js ./demo/canvas-021.js ./demo/canvas-022.js ./demo/canvas-023.js ./demo/canvas-024.js ./demo/canvas-025.js ./demo/canvas-026.js ./demo/canvas-027.js ./demo/canvas-028.js ./demo/canvas-029.js ./demo/canvas-030.js ./demo/canvas-031.js ./demo/canvas-032.js ./demo/canvas-033.js ./demo/canvas-034.js ./demo/canvas-035.js ./demo/canvas-036.js ./demo/canvas-037.js ./demo/canvas-038.js ./demo/canvas-039.js ./demo/canvas-040.js ./demo/canvas-041.js ./demo/canvas-042.js ./demo/canvas-043.js ./demo/canvas-044.js ./demo/canvas-045.js ./demo/canvas-046.js ./demo/canvas-047.js ./demo/canvas-048.js ./demo/canvas-049.js ./demo/canvas-050.js ./demo/canvas-051.js ./demo/canvas-052.js ./demo/canvas-053.js ./demo/canvas-054.js ./demo/canvas-055.js ./demo/canvas-056.js ./demo/canvas-057.js ./demo/canvas-058.js ./demo/canvas-059.js ./demo/canvas-060.js ./demo/canvas-061.js ./demo/canvas-062.js ./demo/canvas-063.js ./demo/canvas-064.js ./demo/core-001.js ./demo/delaunator-001.js ./demo/delaunator-002.js ./demo/dom-001.js ./demo/dom-002.js ./demo/dom-003.js ./demo/dom-004.js ./demo/dom-005.js ./demo/dom-006.js ./demo/dom-007.js ./demo/dom-008.js ./demo/dom-009.js ./demo/dom-010.js ./demo/dom-011.js ./demo/dom-012.js ./demo/dom-013.js ./demo/dom-015.js ./demo/dom-016.js ./demo/filters-001.js ./demo/filters-002.js ./demo/filters-002a.js ./demo/filters-003.js ./demo/filters-004.js ./demo/filters-005.js ./demo/filters-006.js ./demo/filters-007.js ./demo/filters-008.js ./demo/filters-009.js ./demo/filters-010.js ./demo/filters-011.js ./demo/filters-012.js ./demo/filters-013.js ./demo/filters-014.js ./demo/filters-015.js ./demo/filters-016.js ./demo/filters-017.js ./demo/filters-018.js ./demo/filters-019.js ./demo/filters-020.js ./demo/filters-021.js ./demo/filters-022.js ./demo/filters-023.js ./demo/filters-024.js ./demo/filters-025.js ./demo/filters-026.js ./demo/filters-027.js ./demo/filters-101.js ./demo/filters-102.js ./demo/filters-103.js ./demo/filters-104.js ./demo/filters-105.js ./demo/filters-501.js ./demo/filters-502.js ./demo/filters-503.js ./demo/filters-504.js ./demo/filters-505.js ./demo/mediapipe-001.js ./demo/mediapipe-002.js ./demo/mediapipe-003.js ./demo/modules-001.js ./demo/modules-002.js ./demo/modules-003.js ./demo/modules-004.js ./demo/modules-005.js ./demo/packets-001.js ./demo/packets-002.js ./demo/particles-001.js ./demo/particles-002.js ./demo/particles-003.js ./demo/particles-004.js ./demo/particles-005.js ./demo/particles-006.js ./demo/particles-007.js ./demo/particles-008.js ./demo/particles-009.js ./demo/particles-010.js ./demo/particles-011.js ./demo/particles-012.js ./demo/particles-013.js ./demo/particles-014.js ./demo/particles-015.js ./demo/particles-016.js ./demo/rapier-001.js ./demo/snippets-001.js ./demo/snippets-002.js ./demo/snippets-003.js ./demo/snippets-004.js ./demo/snippets-005.js ./demo/snippets-006.js ./demo/temp-000.js ./demo/temp-001.js ./demo/temp-001a.js ./demo/temp-002.js ./demo/temp-003.js ./demo/temp-004.js ./demo/temp-005.js ./demo/temp-006.js ./demo/temp-007.js ./demo/temp-008.js ./demo/temp-009.js ./demo/temp-010.js ./demo/temp-011.js ./demo/temp-012.js ./demo/temp-013.js ./demo/temp-014.js ./demo/temp-015.js ./demo/temp-016.js ./demo/temp-017.js ./demo/temp-018.js ./demo/temp-018a.js ./demo/temp-019.js ./demo/temp-020.js ./demo/temp-021.js ./demo/temp-022.js ./demo/temp-023.js ./demo/temp-024.js ./demo/temp-025.js ./demo/temp-026.js ./demo/temp-027.js ./demo/temp-028.js ./demo/temp-029.js ./demo/temp-030.js ./demo/temp-031.js ./demo/temp-032.js ./demo/temp-033.js ./demo/temp-034.js ./demo/temp-035.js ./demo/temp-036.js ./demo/temp-037.js ./demo/temp-100.js ./demo/temp-101.js ./demo/temp-102.js ./demo/temp-103.js ./demo/temp-104.js ./demo/temp-200.js ./demo/temp-201.js ./demo/temp-301.js ./demo/temp-inkscapeSvgFilters.js ./demo/temp-lottie.js ./demo/tensorflow-001.js ./demo/tensorflow-002.js ./demo/utilities.js
  • §

    Demo DOM 004

    Limitless rockets (clone and destroy elements, tweens, tickers)

  • §

    Run code

    import * as scrawl from '../source/scrawl.js'
    
    import { reportSpeed, killTicker } from './utilities.js';
  • §

    Scene setup

    let library = scrawl.library,
        artefact = library.artefact,
        stack = artefact.mystack;
    
    stack.set({
        width: 300,
        height: 600,
        css: {
            overflow: 'hidden'
        }
    });
    
    stack.addExistingDomElements('#rocket');
    let rocket = artefact.rocket;
    
    rocket.set({
        startX: 600,
        startY: 540,
        width: 50,
        height: 100,
        handleX: 570,
        handleY: 'center',
    });
  • §

    Set a tween up as a template which can be cloned, but will never itself run

    let tween = scrawl.makeTween({
    
        name: 'template',
    
        duration: 5000,
        killOnComplete: true,
        useNewTicker: true,
    
        definitions: [
            {
                attribute: 'roll',
                start: 0,
                end: 65
            }
        ],
    
        commenceAction: function () {
  • §

    @ts-expect-error

            this.set({
                targets: rocket.clone({
                    name: `${this.name}-element`,
                })
            });
        },
    
        completeAction: function () {
    
            artefact[`${this.name}-element`].kill();
        },
    }).removeFromTicker();
  • §

    Scene animation

    Function to display frames-per-second data, and other information relevant to the demo

    const report = reportSpeed('#reportmessage', function () {
    
        const lib = scrawl.library;
    
        let t = Object.keys(lib.tween),
            a = Object.keys(lib.artefact),
            n = Object.keys(lib.animation),
            k = Object.keys(lib.animationtickers),
            e = Object.keys(lib.element),
            tn = lib.tweennames.length,
            an = lib.artefactnames.length,
            nn = lib.animationnames.length,
            kn = lib.animationtickersnames.length,
            en = lib.elementnames.length;
    
        return `Tween - ${t.length}, ${tn}: ${t.join(', ')}
    Artefact - ${a.length}, ${an}: ${a.join(', ')}
    Element - ${e.length}, ${en}: ${e.join(', ')}
    Tickers - ${k.length}, ${kn}: ${k.join(', ')}
    Animation - ${n.length}, ${nn}: ${n.join(', ')}`;
    });
  • §

    Create the Display cycle animation

    scrawl.makeRender({
    
        name: 'demo-animation',
        target: stack,
        afterShow: report,
    });
  • §

    User interaction

    Create event listener to generate and start new element and tween

    let counter = 0;
    let flyRocket = function(e) {
    
        e.preventDefault();
        e.returnValue = false;
    
        tween.clone({
            name: `rocket-${counter}`,
        }).run();
    
        counter ++;
    };
    scrawl.addNativeListener('click', flyRocket, stack.domElement);
  • §

    Development and testing

    console.log(scrawl.library);
    
    console.log('Performing tests ...');
    killTicker(stack, 'template_ticker', 4000);