Selection.activeGameObject 激活游戏物体

// Rotates the selected Game Object +45 degrees if the user presses 'g'
// or -45 degrees if the user presses 'Shift + g'
// If no object is selected, the Menus are grayed out.
// 如果用户按'g'会将游戏物体顺时针旋转45度，如果用户按'Shift + g'将逆时针旋转45度
// 如果没有物体被选择，菜单是灰色的。

@MenuItem ("Example/Rotate Green +45 _g")
static function RotateGreenPlus45() {
	var obj = Selection.activeGameObject;
	obj.transform.Rotate(Vector3.up*45);
}

@MenuItem ("Example/Rotate Green +45 _g", true)
static function ValidatePlus45() {
	return Selection.activeGameObject != null;
}


@MenuItem ("Example/Rotate green -45 #g")
static function RotateGreenMinus45() {
	var obj = Selection.activeGameObject;
	obj.transform.Rotate(Vector3.down*45);
}

@MenuItem ("Example/Rotate green -45 #g", true)
static function ValidateMinus45() {
	return Selection.activeGameObject != null;
}