void TriangulateBoundaryTriangle(
Vector3 begin, HexCell beginCell,
Vector3 left, HexCell leftCell,
Vector3 boundary, Color boundaryColor
)
{
Vector3 v2 = HexData.AddRealismNoiseToBaseMesh(HexData.StepOffset(begin, left, 1));
Color c2 = HexData.StepOffset(beginCell.Colour, leftCell.Colour, 1);
terrain.AddTriangleUnperturbed(HexData.AddRealismNoiseToBaseMesh(begin), v2, boundary);
terrain.AddTriangleColor(beginCell.Colour, c2, boundaryColor);
for (int i = 2; i < HexData.terraceSteps; i++)
{
Vector3 v1 = v2;
Color c1 = c2;
v2 = HexData.AddRealismNoiseToBaseMesh(HexData.StepOffset(begin, left, i));
c2 = HexData.StepOffset(beginCell.Colour, leftCell.Colour, i);
terrain.AddTriangleUnperturbed(v1, v2, boundary);
terrain.AddTriangleColor(c1, c2, boundaryColor);
}
terrain.AddTriangleUnperturbed(v2, HexData.AddRealismNoiseToBaseMesh(left), boundary);
terrain.AddTriangleColor(c2, leftCell.Colour, boundaryColor);
}
public void AddTriangle(Vector3 v1, Vector3 v2, Vector3 v3)
{
int vertexIndex = vertices.Count;
vertices.Add(HexData.AddRealismNoiseToBaseMesh(v1));
vertices.Add(HexData.AddRealismNoiseToBaseMesh(v2));
vertices.Add(HexData.AddRealismNoiseToBaseMesh(v3));
triangles.Add(vertexIndex);
triangles.Add(vertexIndex + 1);
triangles.Add(vertexIndex + 2);
}
void TriangulateCornerCliffTerraces(
Vector3 begin, HexCell beginCell,
Vector3 left, HexCell leftCell,
Vector3 right, HexCell rightCell
)
{
float b = 1f / (leftCell.Elevation - beginCell.Elevation);
if (b < 0)
{
b = -b;
}
Vector3 boundary = Vector3.Lerp(
HexData.AddRealismNoiseToBaseMesh(begin), HexData.AddRealismNoiseToBaseMesh(left), b
);
Color boundaryColor = Color.Lerp(beginCell.Colour, leftCell.Colour, b);
TriangulateBoundaryTriangle(
right, rightCell, begin, beginCell, boundary, boundaryColor
);
if (leftCell.GetEdgeType(rightCell) == HexEdgeClassification.Slope)
{
TriangulateBoundaryTriangle(
left, leftCell, right, rightCell, boundary, boundaryColor
);
}
else
{
terrain.AddTriangleUnperturbed(
HexData.AddRealismNoiseToBaseMesh(left), HexData.AddRealismNoiseToBaseMesh(right), boundary
);
terrain.AddTriangleColor(
leftCell.Colour, rightCell.Colour, boundaryColor
);
}
}
