public static HexDirection CounterClockwise(this HexDirection direction, int dist)
{
return(direction.Clockwise(6 - dist));
}
void Triangulate(HexCell cell)
{
Vector3 center = cell.transform.localPosition;
center.y = 0f;
Vector3 height = new Vector3(0f, cell.height, 0f);
float average = cell.height;
int cellCount = 1;
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
if (cell.GetNeighbor(d) != null)
{
cellCount++;
average += cell.GetNeighbor(d).height;
}
}
average /= cellCount;
for (HexDirection d = HexDirection.NE; d <= HexDirection.NW; d++)
{
// Heights
Vector3 baseHeight = new Vector3(0f, 0f, 0f);
Vector3 prevMidHeight = baseHeight;
Vector3 firstMidHeight = baseHeight;
Vector3 nextMidHeight = baseHeight;
Vector3 secondMidHeight = baseHeight;
Vector3 midHeight = baseHeight;
Vector3 firstOuterHeight = baseHeight;
Vector3 secondOuterHeight = baseHeight;
Vector3 firstConnectorHeight = baseHeight;
Vector3 secondConnectorHeight = baseHeight;
Vector3 innerMidHeight = baseHeight;
float dHeight = cell.GetNeighbor(d) == null ? 0f : cell.GetNeighbor(d).height;
float dCCWHeight = cell.GetNeighbor(d.CounterClockwise(1)) == null ? 0f : cell.GetNeighbor(d.CounterClockwise(1)).height;
float dCWHeight = cell.GetNeighbor(d.Clockwise(1)) == null ? 0f : cell.GetNeighbor(d.Clockwise(1)).height;
float bridgeProportion = cell.bridgeProportion;
if (cell.GetNeighbor(d) != null)
{
midHeight.y = (cell.height + dHeight) / 2f;
innerMidHeight = (height + midHeight) / 2f;
bridgeProportion += cell.GetNeighbor(d).bridgeProportion;
bridgeProportion /= 2f;
}
if (cell.GetNeighbor(d) != null && cell.GetNeighbor(d.CounterClockwise(1)) != null)
{
prevMidHeight.y = cell.height + dCCWHeight;
prevMidHeight.y /= 2f;
firstMidHeight.y = cell.height + dHeight + dCCWHeight;
firstMidHeight.y /= 3f;
firstOuterHeight = (height + midHeight + prevMidHeight) / 3f;
firstConnectorHeight = (firstMidHeight + midHeight) / 2f;
}
if (cell.GetNeighbor(d) != null && cell.GetNeighbor(d.Clockwise(1)) != null)
{
nextMidHeight.y = cell.height + dCWHeight;
nextMidHeight.y /= 2f;
secondMidHeight.y = cell.height + dHeight + dCWHeight;
secondMidHeight.y /= 3f;
secondOuterHeight = (height + midHeight + nextMidHeight) / 3f;
secondConnectorHeight = (secondMidHeight + midHeight) / 2f;
}
// Vertices
Vector3 coreCorner1 = center + HexMetrics.FirstCorner(d) * HexMetrics.coreMultiplier + height;
Vector3 coreCorner2 = center + HexMetrics.SecondCorner(d) * HexMetrics.coreMultiplier + height;
Vector3 outerCorner1 = center + HexMetrics.FirstCorner(d) + firstOuterHeight;
Vector3 outerCorner2 = center + HexMetrics.SecondCorner(d) + secondOuterHeight;
Vector3 borderCorner1 = center + (HexMetrics.FirstCorner(d) * HexMetrics.borderMultiplier) + firstMidHeight;
Vector3 borderCorner2 = center + (HexMetrics.SecondCorner(d) * HexMetrics.borderMultiplier) + secondMidHeight;
Vector3 bridgeConnector1 = center + (HexMetrics.FirstCorner(d) + HexMetrics.BorderMiddle(d)) + firstConnectorHeight;
Vector3 bridgeConnector2 = center + (HexMetrics.SecondCorner(d) + HexMetrics.BorderMiddle(d)) + secondConnectorHeight;
Vector3 bridgeInner1 = center + (HexMetrics.FirstCorner(d) * cell.bridgeProportion + HexMetrics.SecondCorner(d) * (1 - cell.bridgeProportion)) + innerMidHeight;
Vector3 bridgeInner2 = center + (HexMetrics.SecondCorner(d) * cell.bridgeProportion + HexMetrics.FirstCorner(d) * (1 - cell.bridgeProportion)) + innerMidHeight;
Vector3 bridgeOuter1 = center + (HexMetrics.FirstCorner(d) * bridgeProportion + HexMetrics.SecondCorner(d) * (1 - bridgeProportion)) + HexMetrics.BorderMiddle(d) + midHeight;
Vector3 bridgeOuter2 = center + (HexMetrics.SecondCorner(d) * bridgeProportion + HexMetrics.FirstCorner(d) * (1 - bridgeProportion)) + HexMetrics.BorderMiddle(d) + midHeight;
//bridgeInner1.y = bridgeInner2.y = (cell.height + midHeight.y) / 2f;
//bridgeOuter1.y = bridgeOuter2.y = midHeight.y;
// Core Hex
AddTriangle(
center + height,
coreCorner1,
coreCorner2
);
// Outer Hex
AddTriangle(
coreCorner1,
outerCorner1,
bridgeInner1
);
AddTriangle(
coreCorner1,
bridgeInner1,
bridgeInner2
);
AddTriangle(
coreCorner1,
bridgeInner2,
coreCorner2
);
AddTriangle(
coreCorner2,
bridgeInner2,
outerCorner2
);
// Border
AddTriangle(
outerCorner1,
borderCorner1,
bridgeConnector1
);
AddTriangle(
outerCorner1,
bridgeConnector1,
bridgeInner1
);
AddTriangle(
bridgeInner1,
bridgeConnector1,
bridgeOuter1
);
AddTriangle(
bridgeInner1,
bridgeOuter1,
bridgeOuter2
);
AddTriangle(
bridgeInner2,
bridgeInner1,
bridgeOuter2
);
AddTriangle(
bridgeInner2,
bridgeOuter2,
bridgeConnector2
);
AddTriangle(
bridgeInner2,
bridgeConnector2,
outerCorner2
);
AddTriangle(
outerCorner2,
bridgeConnector2,
borderCorner2
);
}
}
public static HexDirection Opposite(this HexDirection direction)
{
return(direction.Clockwise(3));
}