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Fix the bug where ScrollTo(index=0, during=0f) error jumps to the last cell. #64

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Fix the bug where ScrollTo(index=0, during=0f) error jumps to the last cell. #64

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20 changes: 19 additions & 1 deletion Assets/FancyScrollView/Sources/Runtime/Scroller/Scroller.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -597,6 +597,24 @@ float CalculateMovementAmount(float sourcePosition, float destPosition)
return amount;
}

float CircularPosition(float p, int size) => size < 1 ? 0 : p < 0 ? size - 1 + (p + 1) % size : p % size;
float CircularPosition(float p, int size)
{
if (size < 1)
{
return 0f;
}

if (p >= 0)
{
return p % size;
}

if (movementType == MovementType.Unrestricted)
{
return size - 1 + (p + 1) % size;
}

return 0f;
}
}
}