private void GenerateFluidGrid()
{
Vector2 tempIntersection = Vector2.zero;
foreach (PaintingCell cell in Cells)
{
Vector2 centerPoint = cell.visiblePolyExtrude.CenterPoint;
float bestUpDelta = float.PositiveInfinity;
float bestDownDelta = float.PositiveInfinity;
float bestLeftDelta = float.PositiveInfinity;
float bestRightDelta = float.PositiveInfinity;
FluidSelectable fluidSelectable = cell.fluidSelectable;
fluidSelectable.up = null;
fluidSelectable.down = null;
fluidSelectable.left = null;
fluidSelectable.right = null;
foreach (PaintingCell otherCell in Cells)
{
if (otherCell == cell)
{
continue;
}
if (Vector2Extensions.GetLinePolyIntersection(out tempIntersection, centerPoint, Vector2.up, otherCell.visiblePolyExtrude.points))
{
float delta = (tempIntersection - centerPoint).sqrMagnitude;
if (delta < bestUpDelta)
{
bestUpDelta = delta;
fluidSelectable.up = otherCell.fluidSelectable;
}
}
if (Vector2Extensions.GetLinePolyIntersection(out tempIntersection, centerPoint, Vector2.down, otherCell.visiblePolyExtrude.points))
{
float delta = (tempIntersection - centerPoint).sqrMagnitude;
if (delta < bestDownDelta)
{
bestDownDelta = delta;
fluidSelectable.down = otherCell.fluidSelectable;
}
}
if (Vector2Extensions.GetLinePolyIntersection(out tempIntersection, centerPoint, Vector2.left, otherCell.visiblePolyExtrude.points))
{
float delta = (tempIntersection - centerPoint).sqrMagnitude;
if (delta < bestLeftDelta)
{
bestLeftDelta = delta;
fluidSelectable.left = otherCell.fluidSelectable;
}
}
if (Vector2Extensions.GetLinePolyIntersection(out tempIntersection, centerPoint, Vector2.right, otherCell.visiblePolyExtrude.points))
{
float delta = (tempIntersection - centerPoint).sqrMagnitude;
if (delta < bestRightDelta)
{
bestRightDelta = delta;
fluidSelectable.right = otherCell.fluidSelectable;
}
}
}
}
}
private bool SetupPaletteToPaintingLinks()
{
Vector2 tempIntersection = Vector2.zero;
foreach (PaletteColor paletteColor in _paletteColors)
{
Vector2 direction = Vector2.zero;
switch (paletteColor.paintingDirection)
{
case PaletteColor.Direction.Down:
direction = Vector2.down;
break;
case PaletteColor.Direction.Left:
direction = Vector2.left;
break;
default:
continue;
}
FluidSelectable paletteFluidSelectable = paletteColor.fluidSelectable;
float bestDelta = float.PositiveInfinity;
FluidSelectable bestCellFluidSelectable = null;
foreach (PaintingCell cell in _painting.Cells)
{
if (Vector2Extensions.GetLinePolyIntersection(out tempIntersection, paletteColor.paintingPoint, direction, cell.visiblePolyExtrude.points))
{
float delta = (tempIntersection - paletteColor.paintingPoint).sqrMagnitude;
if (delta < bestDelta)
{
bestDelta = delta;
bestCellFluidSelectable = cell.fluidSelectable;
}
}
}
if (bestCellFluidSelectable != null)
{
switch (paletteColor.paintingDirection)
{
case PaletteColor.Direction.Down:
paletteFluidSelectable.down = bestCellFluidSelectable;
if (bestCellFluidSelectable.up == null)
{
bestCellFluidSelectable.up = paletteFluidSelectable;
}
break;
case PaletteColor.Direction.Left:
paletteFluidSelectable.left = bestCellFluidSelectable;
if (bestCellFluidSelectable.right == null)
{
bestCellFluidSelectable.right = paletteFluidSelectable;
}
break;
default:
break;
}
}
}
return(true);
}