Method trySelectNeuron

assets/main.js:1973–2003

(event)

  }

  trySelectNeuron(event) {
    if (!this.layerMeshes.length || !this.camera) return;
    const rect = this.renderer.domElement.getBoundingClientRect();
    if (rect.width === 0 || rect.height === 0) return;
    const x = ((event.clientX - rect.left) / rect.width) * 2 - 1;
    const y = -((event.clientY - rect.top) / rect.height) * 2 + 1;
    this.pointerVector.set(x, y);
    this.raycaster.setFromCamera(this.pointerVector, this.camera);

    const intersections = [];
    this.layerMeshes.forEach((layer, layerIndex) => {
      if (!layer?.mesh) return;
      const hits = this.raycaster.intersectObject(layer.mesh, false);
      hits.forEach((hit) => {
        if (Number.isInteger(hit.instanceId)) {
          intersections.push({
            distance: hit.distance,
            layerIndex,
            neuronIndex: hit.instanceId,
          });
        }
      });
    });
    intersections.sort((a, b) => a.distance - b.distance);
    const hit = intersections[0];
    if (!hit) {
      this.clearSelection();
      return;
    }
    this.setSelectedNeuron(hit.layerIndex, hit.neuronIndex);
  }

  setSelectedNeuron(layerIndex, neuronIndex) {
    if (!Number.isInteger(layerIndex) || !Number.isInteger(neuronIndex)) return;