void TriangulateWaterShore(
HexDirection direction, HexCell cell, HexCell neighbor, Vector3 center
)
{
EdgeVertices e1 = new EdgeVertices(
center + HexMetrics.GetFirstWaterCorner(direction),
center + HexMetrics.GetSecondWaterCorner(direction)
);
water.AddTriangle(center, e1.v1, e1.v2);
Vector3 center2 = neighbor.Position;
center2.y = center.y;
EdgeVertices e2 = new EdgeVertices(
center2 + HexMetrics.GetSecondOuterCorner(direction.Opposite()),
center2 + HexMetrics.GetFirstOuterCorner(direction.Opposite())
);
waterShore.AddQuad(e1.v1, e1.v2, e2.v1, e2.v2);
waterShore.AddQuadUV(0f, 0f, 0f, 1f);
HexCell nextNeighbor = cell.GetNeighbor(direction.Next());
if (nextNeighbor != null)
{
Vector3 v3 = nextNeighbor.Position + (nextNeighbor.IsUnderwater ?
HexMetrics.GetFirstWaterCorner(direction.Previous()) :
HexMetrics.GetFirstOuterCorner(direction.Previous()));
v3.y = center.y;
waterShore.AddTriangle(
e1.v2, e2.v2, v3
);
waterShore.AddTriangleUV(
new Vector2(0f, 0f),
new Vector2(0f, 1f),
new Vector2(0f, nextNeighbor.IsUnderwater ? 0f : 1f)
);
}
}