Method zoomToNodes

ui/src/components/pixi/PixiRenderer.ts:2374–2409

(nodeIds: Iterable<string>, duration = 300)

  }

  zoomToNodes(nodeIds: Iterable<string>, duration = 300): void {
    const positions: { x: number; y: number }[] = [];
    for (const id of nodeIds) {
      const node = this.nodes.get(id);
      if (!node?.visible) continue;
      // In 3D, use projected positions (rotation paused on click so they're stable)
      if (this.mode3d) {
        positions.push({
          x: node.sprite.position.x,
          y: node.sprite.position.y,
        });
      } else {
        positions.push({ x: node.x, y: node.y });
      }
    }
    if (positions.length === 0) return;
    const bounds = computeBounds(positions);
    const target = fitBounds(bounds, this.width, this.height, 120);

    // Focusing on specific nodes is a deliberate user action — stop auto-fit.
    this.hasUserMovedCamera = true;

    this.cancelAnimation?.();
    this.cancelAnimation = animateViewport(
      this.vp,
      target,
      duration,
      (vp) => {
        this.vp = vp;
      },
      () => {
        this.redrawAllEdges();
        this.cancelAnimation = null;
      },
    );
  }

  zoomIn(duration = 200): void {
    // Mark this as a user-driven zoom so the auto-fit follower