Method split

pixelizer.js:1282–1293

()

    }

    split() {
        if (this.pixels.length < 2) return null;

        const channel = this.splitChannel;
        this.pixels.sort((a, b) => a[channel] - b[channel]);

        const mid = Math.floor(this.pixels.length / 2);
        const box1 = new ColorBox(this.pixels.slice(0, mid), this.level + 1);
        const box2 = new ColorBox(this.pixels.slice(mid), this.level + 1);

        return [box1, box2];
    }
}

// 初始化