当我增加数组中引用的变量时，为什么我的Arrray of PointF没有被更新？

I have an array of PointF and each entry references some variables. They're referenced because I'm trying to make a infinite game - pieceWorld is a counter to know how many sections of map have passed and standardDist is just a generic size of a section. When I update pieceWorld and call to get the ground array again, it doesn't actually get updated. Some code:I have an array of PointF and each entry refere