Repeat that step, only do it on the entire house. Paint with a dirtier color and set your layer to Multiply.
重复上述步骤，对整栋房子都进行旧化。使用一个较脏的颜色进行绘制，并将该层混合模式设为正片叠底。
2
In Listing 7, we've taken things one step further by currying the map closure, resulting in a block that will multiply all the elements of a given list by 12.