73 lines
1.7 KiB
TypeScript
73 lines
1.7 KiB
TypeScript
import { vec2 } from '../tsm/vec2';
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import { XMLNode } from 'xmlbuilder';
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export class Vector2 extends vec2
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{
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static getZero(): Vector2
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{
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return new Vector2();
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}
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static getXML(doc: XMLNode, v?: Vector2)
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{
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if (v === undefined)
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{
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v = Vector2.getZero();
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}
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doc.ele('X', v.x);
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doc.ele('Y', v.y);
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}
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constructor(buf?: Buffer | number[], pos?: number, double?: boolean)
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{
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if (double === undefined)
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{
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double = false;
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}
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if (buf !== undefined && pos !== undefined && buf instanceof Buffer)
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{
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if (!double)
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{
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const x = buf.readFloatLE(pos);
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const y = buf.readFloatLE(pos + 4);
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super([x, y]);
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}
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else
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{
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const x = buf.readDoubleLE(pos);
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const y = buf.readDoubleLE(pos + 8);
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super([x, y]);
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}
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}
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else if (buf !== undefined && Array.isArray(buf))
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{
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super(buf);
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}
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else
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{
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super();
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}
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}
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writeToBuffer(buf: Buffer, pos: number, double: boolean)
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{
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if (double)
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{
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buf.writeDoubleLE(this.x, pos);
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buf.writeDoubleLE(this.y, pos + 8);
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}
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else
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{
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buf.writeFloatLE(this.x, pos);
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buf.writeFloatLE(this.y, pos + 4);
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}
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}
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toString(): string
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{
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return '<' + this.x + ', ' + this.y + '>';
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}
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toArray()
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{
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return [this.x, this.y];
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}
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}
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