Method decreaseBrushSize

src/ui/DrawMode.ts:163–170

* Decrease brush size

()

   * Decrease brush size
   */
  decreaseBrushSize(): void {
    if (this.state.brushSize > 1) {
      this.state.brushSize--
      this.updateUI()
      this.notifyChange()
      soundManager.playSliderTick(this.state.brushSize / 4)
    }
  }

  /**
   * Check if 3D mode is enabled