_project()

in packages/charts/src/utils/d3-delaunay/index.ts [1191:1215]

• 23 lines of code
• 13 McCabe index (conditional complexity)

  _project(x0, y0, vx, vy) {
    let t = Infinity,
      c,
      x,
      y;
    if (vy < 0) {
      // top
      if (y0 <= this.ymin) return null;
      if ((c = (this.ymin - y0) / vy) < t) (y = this.ymin), (x = x0 + (t = c) * vx);
    } else if (vy > 0) {
      // bottom
      if (y0 >= this.ymax) return null;
      if ((c = (this.ymax - y0) / vy) < t) (y = this.ymax), (x = x0 + (t = c) * vx);
    }
    if (vx > 0) {
      // right
      if (x0 >= this.xmax) return null;
      if ((c = (this.xmax - x0) / vx) < t) (x = this.xmax), (y = y0 + (t = c) * vy);
    } else if (vx < 0) {
      // left
      if (x0 <= this.xmin) return null;
      if ((c = (this.xmin - x0) / vx) < t) (x = this.xmin), (y = y0 + (t = c) * vy);
    }
    return [x, y];
  }