void TriangulateCornerTerraces(
Vector3 begin, HexCell beginCell,
Vector3 left, HexCell leftCell,
Vector3 right, HexCell rightCell
)
{
Vector3 v3 = HecMetrics.TerraceLerp(begin, left, 1);
Vector3 v4 = HecMetrics.TerraceLerp(begin, right, 1);
Color c3 = HecMetrics.TerranceLerp(beginCell.Color, leftCell.Color, 1);
Color c4 = HecMetrics.TerranceLerp(beginCell.Color, rightCell.Color, 1);
AddTriangle(begin, v3, v4);
AddTriangleColor(beginCell.Color, c3, c4);
for (int i = 2; i < HecMetrics.terraceSteps; i++)
{
Vector3 v1 = v3;
Vector3 v2 = v4;
Color c1 = c3;
Color c2 = c4;
v3 = HecMetrics.TerraceLerp(begin, left, i);
v4 = HecMetrics.TerraceLerp(begin, right, i);
c3 = HecMetrics.TerranceLerp(beginCell.Color, leftCell.Color, i);
c4 = HecMetrics.TerranceLerp(beginCell.Color, rightCell.Color, i);
AddQuad(v1, v2, v3, v4);
AddQuadColor(c1, c2, c3, c4);
}
AddQuad(v3, v4, left, right);
AddQuadColor(c3, c4, leftCell.Color, rightCell.Color);
}
void TriangulateBoundaryTriangle(
Vector3 begin, HexCell beginCell,
Vector3 left, HexCell leftCell,
Vector3 boundary, Color boundaryColor
)
{
Vector3 v2 = Perturb(HecMetrics.TerraceLerp(begin, left, 1));
Color c2 = HecMetrics.TerranceLerp(beginCell.Color, leftCell.Color, 1);
AddTriangleUnperturbed(Perturb(begin), v2, boundary);
AddTriangleColor(beginCell.Color, c2, boundaryColor);
for (int i = 2; i < HecMetrics.terraceSteps; i++)
{
Vector3 v1 = v2;
Color c1 = c2;
v2 = Perturb(HecMetrics.TerraceLerp(begin, left, i));
c2 = HecMetrics.TerranceLerp(beginCell.Color, leftCell.Color, i);
AddTriangleUnperturbed(v1, v2, boundary);
AddTriangleColor(c1, c2, boundaryColor);
}
AddTriangleUnperturbed(v2, Perturb(left), boundary);
AddTriangleColor(c2, leftCell.Color, boundaryColor);
}
public static EdgeVertices TerraceLerp(
EdgeVertices a, EdgeVertices b, int step)
{
EdgeVertices result;
result.v1 = HecMetrics.TerraceLerp(a.v1, b.v1, step);
result.v2 = HecMetrics.TerraceLerp(a.v2, b.v2, step);
result.v3 = HecMetrics.TerraceLerp(a.v3, b.v3, step);
result.v4 = HecMetrics.TerraceLerp(a.v4, b.v4, step);
return(result);
}