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Fix for UNDO feature in P_2_3_3_01_TABLET_TOOL #4

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Merged
merged 1 commit into from
Jan 26, 2018
Merged

Fix for UNDO feature in P_2_3_3_01_TABLET_TOOL #4

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53 changes: 5 additions & 48 deletions 01_P/P_2_3_3_01_TABLET_TOOL/P_2_3_3_01_TABLET_TOOL.pde
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Original file line number Diff line number Diff line change
Expand Up @@ -168,7 +168,7 @@ void keyReleased() {
}

if (key == 'z' || key == 'Z') {
undoDrawItems(undoIndex);
undoIndex = undoDrawItems(undoIndex);
reDrawAllDrawItems();
}
}
Expand Down Expand Up @@ -198,56 +198,13 @@ void reDrawAllDrawItems() {
}
}

void undoDrawItems(int theUndoIndex) {
int undoDrawItems(int theUndoIndex) {
theUndoIndex -= 1;
if (drawItems.size() > 0 && theUndoIndex >= 0) {
for (int i = drawItems.size()-1; i > theUndoIndex; i--) {
drawItems.remove(i);
}
}
}














































return theUndoIndex;
}