39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
import * as helpers from '../ParseHelpers.js';
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export default class Circle {
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constructor() {
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this.ForEntityName = 'CIRCLE';
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}
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parseEntity(scanner, curr) {
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const entity = { type: curr.value };
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curr = scanner.next();
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while (!scanner.isEOF()) {
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if (curr.code === 0)
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break;
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switch (curr.code) {
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case 10: // X coordinate of point
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entity.center = helpers.parsePoint(scanner);
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break;
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case 40: // radius
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entity.radius = curr.value;
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break;
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case 50: // start angle
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entity.startAngle = Math.PI / 180 * curr.value;
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break;
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case 51: // end angle
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const endAngle = Math.PI / 180 * curr.value;
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if (endAngle < entity.startAngle)
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entity.angleLength = endAngle + 2 * Math.PI - entity.startAngle;
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else
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entity.angleLength = endAngle - entity.startAngle;
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entity.endAngle = endAngle;
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break;
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default: // ignored attribute
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helpers.checkCommonEntityProperties(entity, curr, scanner);
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break;
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}
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curr = scanner.next();
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}
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return entity;
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}
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}
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