50 lines
972 B
JavaScript
50 lines
972 B
JavaScript
'use strict';
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const Body = require('./body.js');
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class Asteroid extends Body {
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constructor(world, pos, size) {
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super(world, pos);
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this.debug = 0;
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this.type = 'asteroid';
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this.size = size;
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this.frame = this.randomFrame();
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this.interface.order.push.apply(this.interface.order, [
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'debug'
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]);
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this.interface.type = 'asteroid';
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}
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randomFrame() {
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let s = this.size;
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let l = (Math.random() * 4 + 4) | 0;
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// Make sure the frame is not a wedge.
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do {
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var angles = Array(l).fill().map(_ => Math.random() * Math.PI * 2);
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let modded = angles.map(a => a % Math.PI);
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var max = modded.reduce((a, b) => Math.max(a, b));
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var min = modded.reduce((a, b) => Math.min(a, b));
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} while (max - min < 2)
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return [angles.sort().map(a => [Math.cos(a) * s, Math.sin(a) * s])];
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}
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tickType() {
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if (this.debug > 0)
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this.debug--;
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}
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packTypeDelta() {
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return [this.debug];
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}
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packTypeFull() {
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return {};
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}
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}
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module.exports = Asteroid;
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