| Commit message (Collapse) | Author | Age | Files | Lines |
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so moving line segments by key press works better.
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when moving from one drop target to the other.
The bounds of the movable line segment had to
be adjusted by 2 pixels.
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Fix bug with line segment drops getting rejected.
Progresses to next level once >, <, = problems
for a given level are solved correctly.
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Letters don't repeat from problem to problem.
Start registering errors and regulating going from one
problem type to another.
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Objects sometimes extend beyond AnswerBox.
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All code specific to area comparisons has been
pulled out of Compare3Lesson.py
New classes Problem and AreaProblem.
Future code on volumes, amounts, etc. should be done
just within new classes VolumeProblem, AmountProblem, and so on.
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