static void SetSymmetricalPixel(Texture2D texture, SymmetryDirection direction, int x, int y, int halfwayPoint)
{
var readCoordinates = new Vector2Int();
switch (direction)
{
case SymmetryDirection.Horizontal:
readCoordinates = new Vector2Int(x, halfwayPoint - (y + 1 - halfwayPoint));
break;
case SymmetryDirection.Vertical:
readCoordinates = new Vector2Int(halfwayPoint - (x + 1 - halfwayPoint), y);
break;
case SymmetryDirection.ForwardDiagonal:
break;
case SymmetryDirection.BackwardDiagonal:
break;
}
texture.SetPixel(x, y, texture.GetPixel(readCoordinates.x, readCoordinates.y));
}
void ApplySymmetry(ref Texture2D texture, SymmetryDirection direction, SymmetryOutcome symmetryOutcome)
{
var halfwayPoint = texture.width / 2;
for (var rowIndex = 0; rowIndex < texture.height; rowIndex++)
{
for (var columnIndex = 0; columnIndex < texture.width; columnIndex++)
{
int referenceValue;
switch (direction)
{
case SymmetryDirection.Horizontal:
referenceValue = symmetryOutcome.quarterHorizontalSymmetryResult ? columnIndex : rowIndex;
if ((symmetryOutcome.lowerIsDominant && referenceValue >= halfwayPoint - 1) ||
(!symmetryOutcome.lowerIsDominant && referenceValue <= halfwayPoint + 1))
{
SetSymmetricalPixel(texture, direction, columnIndex, rowIndex, halfwayPoint);
}
break;
case SymmetryDirection.Vertical:
referenceValue = symmetryOutcome.quarterVerticalSymmetryResult ? rowIndex : columnIndex;
if ((symmetryOutcome.lowerIsDominant && referenceValue >= halfwayPoint - 1) ||
(!symmetryOutcome.lowerIsDominant && referenceValue <= halfwayPoint + 1))
{
SetSymmetricalPixel(texture, direction, columnIndex, rowIndex, halfwayPoint);
}
break;
case SymmetryDirection.ForwardDiagonal:
if (symmetryOutcome.quarterForwardDiagonalSymmetryResult)
{
if (symmetryOutcome.lowerIsDominant && columnIndex > rowIndex || !symmetryOutcome.lowerIsDominant && columnIndex < rowIndex)
{
texture.SetPixel(columnIndex, rowIndex, texture.GetPixel(texture.width - rowIndex, texture.width - columnIndex));
}
}
else
{
if (symmetryOutcome.lowerIsDominant && rowIndex < texture.width - columnIndex || !symmetryOutcome.lowerIsDominant && rowIndex > texture.width - columnIndex)
{
texture.SetPixel(columnIndex, rowIndex, texture.GetPixel(texture.width - rowIndex, texture.width - columnIndex));
}
}
break;
case SymmetryDirection.BackwardDiagonal:
if (symmetryOutcome.quarterBackwardDiagonalSymmetryResult)
{
if (symmetryOutcome.lowerIsDominant && rowIndex < texture.width - columnIndex || !symmetryOutcome.lowerIsDominant && rowIndex > texture.width - columnIndex)
{
texture.SetPixel(columnIndex, rowIndex, texture.GetPixel(rowIndex, columnIndex));
}
}
else
if (symmetryOutcome.lowerIsDominant && columnIndex > rowIndex || !symmetryOutcome.lowerIsDominant && columnIndex < rowIndex)
{
texture.SetPixel(columnIndex, rowIndex, texture.GetPixel(rowIndex, columnIndex));
}
break;
}
}
}
}
