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File size: 1,986 Bytes
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import Base from '../base/Base.js';
import { Arc } from '../utils/Geoms.js';
const Linear = Phaser.Math.Linear;
class Pie extends Base {
constructor(scene, config) {
super(scene, config);
this.type = 'rexSpinnerPie';
}
buildShapes() {
for (var i = 0; i < 4; i++) {
var pie = (new Arc()).setPie();
this.addShape(pie);
pie.setData('speed', Linear(180, 360, Math.random()));
}
}
updateShapes() {
var centerX = this.centerX;
var centerY = this.centerY;
var radius = this.radius;
var deltaValue;
if (this.prevValue !== undefined) {
deltaValue = this.value - this.prevValue;
if (this.prevValue > this.value) {
deltaValue += 1;
}
}
var shapes = this.getShapes();
for (var i = 0, cnt = shapes.length; i < cnt; i++) {
var pie = shapes[i];
var pieAlpha = (i + 1) / cnt;
if (this.prevValue === undefined) {
var startAngle = (i / cnt) * 360;
var endAngle = startAngle + 90;
pie
.fillStyle(this.color, pieAlpha)
.setRadius(radius)
.setCenterPosition(centerX, centerY)
.setAngle(startAngle, endAngle)
.setData('angle', startAngle);
} else {
var startAngle = pie.getData('angle') + pie.getData('speed') * deltaValue;
startAngle = startAngle % 360;
var endAngle = startAngle + 90;
pie
.fillStyle(this.color, pieAlpha)
.setRadius(radius)
.setCenterPosition(centerX, centerY)
.setAngle(startAngle, endAngle)
.setData('angle', startAngle);
}
}
this.prevValue = this.value;
}
}
export default Pie; |