void TriangulateCornerGround(HexTile a, HexTile b, HexTile c, Direction dir)
{
Edge ea = a.GetEdge(dir);
Edge eb = b.GetEdge(dir.Clockwise.Clockwise);
Edge ec = a.GetEdge(dir.Clockwise);
Vertex va1 = ea.ground[dir][9];
Vertex va2 = ec.ground[dir.Clockwise][5];
Vertex vb1 = eb.ground[dir.Clockwise.Clockwise][9];
Vertex vb2 = ea.ground[dir.Opposite][5];
Vertex vc1 = ec.ground[dir.Clockwise.Opposite][9];
Vertex vc2 = eb.ground[dir.CounterClockwise][5];
Vector3 centerPos = (va1.Position + va2.Position + vb1.Position + vb2.Position + vc1.Position + vc2.Position) / 6f;
Vertex center = new Vertex(new Vector2(centerPos.x, centerPos.z));
center.height = centerPos.y;
center.color = Color.Lerp(a.color, Color.Lerp(b.color, c.color, 0.5f), 0.5f);
ground.AddTriangle(ea.ground[dir][4], va1, va2);
ground.AddTriangle(eb.ground[dir.Clockwise.Clockwise][4], vb1, vb2);
ground.AddTriangle(ec.ground[dir.Clockwise.Opposite][4], vc1, vc2);
ground.AddTriangle(center, va2, va1);
ground.AddTriangle(center, vb2, vb1);
ground.AddTriangle(center, vc2, vc1);
ground.AddTriangle(center, va1, vb2);
ground.AddTriangle(center, vb1, vc2);
ground.AddTriangle(center, vc1, va2);
}
void TriangulateCornerWater(HexTile a, HexTile b, HexTile c, Direction dir)
{
if (a.Underwater)
{
if (b.Underwater && c.Underwater)
{
Edge right = a.GetEdge(dir.Clockwise);
Edge left = a.GetEdge(dir);
water.AddTriangle(right.water[dir.Clockwise.Opposite][1], right.water[dir.Clockwise][0], left.water[dir.Opposite][0]);
}
if (!b.Underwater && c.Underwater)
{
TriangulateShoreCornerWWL(c.GetEdge(dir.CounterClockwise), a.GetEdge(dir));
}
if (b.Underwater && !c.Underwater)
{
TriangulateShoreCornerWWL(a.GetEdge(dir.Clockwise), b.GetEdge(dir.Clockwise.Clockwise));
}
if (!b.Underwater && !c.Underwater)
{
TriangulateShoreCornerWLL(a.GetEdge(dir.Clockwise), a.GetEdge(dir));
}
}
else if (b.Underwater)
{
TriangulateCornerWater(b, c, a, dir.Clockwise.Clockwise);
}
else if (c.Underwater)
{
TriangulateCornerWater(c, a, b, dir.CounterClockwise.CounterClockwise);
}
}
