public void ThicknessSizeEvent(ThicknessSize thicknessSize) { if (thicknessSize == null) { return; } GameManager gameManager = GameObject.FindObjectOfType <GameManager>(); if (gameManager.currentTool == null) { return; } if (!(gameManager.currentTool.feature == Tool.ToolFeature.Line)) { return; } gameManager.currentThickness = thicknessSize; gameManager.ChangeThicknessSizeColor(); }