40 lines
1,000 B
JavaScript
40 lines
1,000 B
JavaScript
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import SeedRng from 'seedrandom'
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import FastSimplexNoise from 'fast-simplex-noise'
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import {type as T, level as L} from './def'
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import BlockGen from './first-iteration'
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import BlockExt from './second-iteration'
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export default class Level {
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constructor (width, height, seed = 'super random seed') {
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const random = SeedRng(seed)
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const noiseGen = new FastSimplexNoise({ random })
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this._x = 0
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this._y = 0
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this._w = width
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this._h = height
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this._grid = new Array(this._h)
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this.blockGen = new BlockGen(noiseGen)
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this.blockExt = new BlockExt(noiseGen)
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}
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grid (x, y) {
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this._x = x
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this._y = y
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this.generate()
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return this._grid
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}
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generate () {
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for (let i = 0; i < this._h; i++) {
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const level = this._y + i
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const row = Array(this._w)
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const previousRow = this._grid[i - 1] || Array()
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this.blockGen.level(level, row, previousRow)
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this.blockExt.level(level, row, previousRow)
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this._grid[i] = row
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}
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}
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}
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