private checkIntersect()

in src/WordCloud.ts [1335:1374]
31 lines of code
6 McCabe index (conditional complexity)

    private checkIntersect(word: WordCloudDataPoint, surface: number[]): boolean {
        let shiftWidth: number = this.specialViewport.width >> WordCloud.WidthOffset,
            sprite: number[] = word.sprite,
            widthOfWord: number = word.width >> WordCloud.WidthOffset,
            lx: number = word.x - (widthOfWord << WordCloud.LxOffset),
            sx: number = lx & WordCloud.SxMask,
            msx: number = WordCloud.TheFirstByteMask - sx,
            heightOfWord: number = word.y1 - word.y0,
            x: number = (word.y + word.y0) * shiftWidth + (lx >> WordCloud.WidthOffset);

        for (let i: number = 0; i < heightOfWord; i++) {
            let lastSprite: number = 0;

            for (let j: number = 0; j <= widthOfWord; j++) {
                let mask: number = 0,
                    leftMask: number,
                    intersectMask: number = 0;

                leftMask = lastSprite << msx;

                if (j < widthOfWord) {
                    lastSprite = sprite[i * widthOfWord + j];
                }

                mask = j < widthOfWord
                    ? lastSprite >>> sx
                    : 0;

                intersectMask = (leftMask | mask) & surface[x + j];

                if (intersectMask) {
                    return true;
                }
            }

            x += shiftWidth;
        }

        return false;
    }