@amcharts/amcharts5/examples/typescript/xy-animated-bullet-at-the-end-of-the-series/index.ts

amCharts 5

import * as am5 from "@amcharts/amcharts5";
import * as am5xy from "@amcharts/amcharts5/xy";
import am5themes_Animated from "@amcharts/amcharts5/themes/Animated";


// Create root element
// https://www.amcharts.com/docs/v5/getting-started/#Root_element
var root = am5.Root.new("chartdiv");


// Set themes
// https://www.amcharts.com/docs/v5/concepts/themes/
root.setThemes([
  am5themes_Animated.new(root)
]);


// Create chart
// https://www.amcharts.com/docs/v5/charts/xy-chart/
var chart = root.container.children.push(
  am5xy.XYChart.new(root, {
    panX: true,
    panY: true,
    wheelX: "panX",
    wheelY: "zoomX"
  })
);

chart.get("colors").set("step", 3);


// Add cursor
// https://www.amcharts.com/docs/v5/charts/xy-chart/cursor/
var cursor = chart.set("cursor", am5xy.XYCursor.new(root, {}));
cursor.lineY.set("visible", false);


// Create axes
// https://www.amcharts.com/docs/v5/charts/xy-chart/axes/
var xAxis = chart.xAxes.push(
  am5xy.DateAxis.new(root, {
    maxDeviation: 0.3,
    baseInterval: {
      timeUnit: "day",
      count: 1
    },
    renderer: am5xy.AxisRendererX.new(root, {
      minorGridEnabled: true
    }),
    tooltip: am5.Tooltip.new(root, {})
  })
);

var yAxis = chart.yAxes.push(
  am5xy.ValueAxis.new(root, {
    maxDeviation: 0.3,
    renderer: am5xy.AxisRendererY.new(root, {})
  })
);


// Create series
// https://www.amcharts.com/docs/v5/charts/xy-chart/series/
var series = chart.series.push(am5xy.LineSeries.new(root, {
  name: "Series 1",
  xAxis: xAxis,
  yAxis: yAxis,
  valueYField: "value",
  valueXField: "date",
  tooltip: am5.Tooltip.new(root, {
    labelText: "{valueY}"
  })
}));
series.strokes.template.setAll({
  strokeWidth: 2,
  strokeDasharray: [3, 3]
});

// Create animating bullet by adding two circles in a bullet container and
// animating radius and opacity of one of them.
series.bullets.push(function() {
  let container = am5.Container.new(root, {
    templateField: "bulletSettings"
  });
  let circle0 = container.children.push(am5.Circle.new(root, {
    radius: 5,
    fill: am5.color(0xff0000)
  }));
  let circle1 = container.children.push(am5.Circle.new(root, {
    radius: 5,
    fill: am5.color(0xff0000)
  }));

  circle1.animate({
    key: "radius",
    to: 20,
    duration: 1000,
    easing: am5.ease.out(am5.ease.cubic),
    loops: Infinity
  });
  circle1.animate({
    key: "opacity",
    to: 0,
    from: 1,
    duration: 1000,
    easing: am5.ease.out(am5.ease.cubic),
    loops: Infinity
  });

  return am5.Bullet.new(root, {
    sprite: container
  })
})


// Set data
var data = [{
  date: new Date(2021, 5, 12).getTime(),
  value: 50,
  bulletSettings: {
    visible: false
  }
}, {
  date: new Date(2021, 5, 13).getTime(),
  value: 53,
  bulletSettings: {
    visible: false
  }
}, {
  date: new Date(2021, 5, 14).getTime(),
  value: 56,
  bulletSettings: {
    visible: false
  }
}, {
  date: new Date(2021, 5, 15).getTime(),
  value: 52,
  bulletSettings: {
    visible: false
  }
}, {
  date: new Date(2021, 5, 16).getTime(),
  value: 48,
  bulletSettings: {
    visible: false
  }
}, {
  date: new Date(2021, 5, 17).getTime(),
  value: 47,
  bulletSettings: {
    visible: false
  }
}, {
  date: new Date(2021, 5, 18).getTime(),
  value: 59,
  bulletSettings: {
    visible: true
  }
}]

series.data.setAll(data);


// Make stuff animate on load
// https://www.amcharts.com/docs/v5/concepts/animations/#Forcing_appearance_animation
series.appear(1000);
chart.appear(1000, 100);