I have created an ArrayList of arrays. Each array in the ArrayList should contain the mouseX and mouseY positions for one drawing frame. The ArrayList is to be expanded by one element(array) each frame. However, when accessing the ArrayList with a for-loop, all the elements in the list have the sam…

it seems you have to re-new pos if (mousePressed) { pos = new int[2]; pos[0] = mouseX; pos[1] = mouseY; Full code: int[] pos = new int[2]; // mouseX and mouseY position ArrayList<int[]> polygon = new ArrayList<int[]>(); // List containing many points with mouseX/mouseY positions vo…

ArrayList of Arrays for Interactive Shapes

Processing Beginners

GoToLoop April 2, 2020, 3:41pm 4

An array is also an object and has a reference.

If you add() the same array to your ArrayList, you’ll end up w/ an ArrayList filled w/ 1 object only!

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ArrayList of Arrays for Interactive Shapes

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