canvas tickers functions

Tickers methods

Run a Ticker and associate with a Canvas Component

To add a Ticker you must use the canvas.addTicker function and pass the ticker class.

const texture = await Assets.load('https://pixijs.com/assets/eggHead.png');
const alien = Sprite.from(texture);
canvas.add("alien", alien);

canvas.addTicker("alien", new RotateTicker({ speed: my_speed }))

If a ticket needs to update multiple canvas components, you can pass an array of aliases to the addTicker function.

canvas.addTicker(["alien", "alien2"], new RotateTicker({ speed: my_speed }))

You can also set the duration of the ticket so that upon completion it is deleted.

canvas.addTicker("alien", new RotateTicker({ speed: my_speed }, 2))

Remove association between a Ticker and a Canvas Component

For unlink a Ticker from a Canvas Component you must use the canvas.removeAssociationBetweenTickerCanvasElement function and pass the alias of the canvas component and a ticker class.

If the ticker not have any more canvas components associated, it will be deleted.

const texture = await Assets.load('https://pixijs.com/assets/eggHead.png');
const alien = Sprite.from(texture);
canvas.add("alien", alien);

canvas.addTicker("alien", new RotateTicker({ speed: my_speed }))

// ...

canvas.removeAssociationBetweenTickerCanvasElement("alien", RotateTicker)

If you remove the Canvas Component associated with the Ticker, if the Ticker not have any more canvas components associated, it will be deleted.

const texture = await Assets.load('https://pixijs.com/assets/eggHead.png');
const alien = Sprite.from(texture);
canvas.add("alien", alien);

canvas.addTicker("alien", new RotateTicker({ speed: my_speed }))

// ...

canvas.remove("alien")

Run a succession of Tickers

You can run a succession of Tickers. This means you can start a list of tokens, so that when one ends the next begins.

For this you must use the narration.addTickersSteps function and pass the alias of the canvas component and an array of tickers.

canvas.addTickersSteps("alien", [
    new RotateTicker({ speed: 0.1, clockwise: true }, 2),
    new RotateTicker({ speed: 0.2, clockwise: false }, 2),
])

Pause

If you want to pause the steps for a while, you can use the Pause token.

canvas.addTickersSteps("alien", [
    new RotateTicker({ speed: 0.1, clockwise: true }, 2),
    Pause(1),
    new RotateTicker({ speed: 0.2, clockwise: false }, 2),
])

Repeat

If you want to repeat the steps, you can use the Repeat token.

canvas.addTickersSteps("alien", [
    new RotateTicker({ speed: 0.1, clockwise: true }, 2),
    new RotateTicker({ speed: 0.2, clockwise: false }, 2),
    Repeat,
])

Force completion of the transition at the end of the step

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