Comments (6)
When are you setting the custom callback? How are you initializing the triggers? Is the callback in a custom callScope? Or is drawIt()
a global (in window scope) function?
from scrolltrigger.
I tried both scopes, but they give the same results.
Im setting the callback like this;
I tried removing the 'once' param and simulated it with a variable but no luck.
Chart is a chart.js plugin
<canvas data-scroll-showCallback="drawIt()" data-scroll id="myChart" class="pie-chart" width="290" height="290"></canvas>
const trigger = new ScrollTrigger({
toggle: {
visible: 'visibleClass',
hidden: 'hiddenClass'
}
});
let first = true;
// triggered when in view
window.drawIt = function() {
if(first){
myChart.update();
first = false;
}
};
What i'm trying to do: do the animation of the pie chart when it scrolls in view.
from scrolltrigger.
Alright, and when you place define the callback first, and then initialize ScrollTrigger? E.g;
let first = true;
// triggered when in view
window.drawIt = function() {
if(first){
myChart.update();
first = false;
}
};
const trigger = new ScrollTrigger({
toggle: {
visible: 'visibleClass',
hidden: 'hiddenClass'
}
});
from scrolltrigger.
That fixed it, so easy I didn't even see it.
Thank you!
from scrolltrigger.
Great, you could probably just set myChart
as the callScope
and just set data-scroll-showCallback
to update()
;)
from scrolltrigger.
When using a custom scope it actually doesn't work, neither an empty scope or using my chart.
So I'll go with window for now.
Might be something conflicting with the chart.js plugin.
from scrolltrigger.
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from scrolltrigger.