public static Scene.hexNum[] GetNoisyEdgesBetweenPointsOffset(Scene.hexNum start, Scene.hexNum end, int level, float range)
{
// number of segments = pow(2, level)
if (level == 0)
{
return(GetLineBetweenPointsOffset(start, end));
}
int numPoints = (int)Mathf.Pow(2f, level) + 1; // include start & end
Scene.hexNumFloat[] points = new Scene.hexNumFloat[numPoints]; // use Scene.hexAxis to store paired float values, but the syntax is close to Scene.hexNum
int k1 = (int)Mathf.Pow(2f, level - 1);
int k2 = (int)Mathf.Pow(2f, level - 2);
int k3 = (int)Mathf.Pow(2f, level - 3);
start = OffsetToCubeCoord(start);
end = OffsetToCubeCoord(end);
Scene.hexNumFloat start_f = Scene.HexNumToFloat(start);
Scene.hexNumFloat end_f = Scene.HexNumToFloat(end);
points[0] = start_f;
points[points.Length - 1] = end_f;
while (true)
{
// level = 1
Scene.hexNumFloat hexNF_1 = new Scene.hexNumFloat {
num_x_float = start.num_x,
num_z_float = end.num_z,
};
Scene.hexNumFloat hexNF_2 = new Scene.hexNumFloat {
num_x_float = end.num_x,
num_z_float = start.num_z,
};
points[k1] = Scene.RandomLerp(hexNF_1, hexNF_2, range);
if (level == 1)
{
break;
}
// level = 2
Scene.hexNumFloat hexNF_3 = Scene.HalfLerp(start_f, hexNF_1);
Scene.hexNumFloat hexNF_4 = Scene.HalfLerp(start_f, hexNF_2);
points[k2] = Scene.RandomLerp(hexNF_3, hexNF_4, range);
Scene.hexNumFloat hexNF_5 = Scene.HalfLerp(end_f, hexNF_2);
Scene.hexNumFloat hexNF_6 = Scene.HalfLerp(end_f, hexNF_1);
points[k1 + k2] = Scene.RandomLerp(hexNF_5, hexNF_6, range);
if (level == 2)
{
break;
}
// level = 3
Scene.hexNumFloat hexNF_7 = Scene.HalfLerp(start_f, hexNF_3);
Scene.hexNumFloat hexNF_8 = Scene.HalfLerp(start_f, hexNF_4);
points[k3] = Scene.RandomLerp(hexNF_7, hexNF_8, range);
hexNF_7 = Scene.HalfLerp(hexNF_3, points[k1]);
hexNF_8 = Scene.HalfLerp(hexNF_4, points[k1]);
points[k2 + k3] = Scene.RandomLerp(hexNF_7, hexNF_8, range);
hexNF_7 = Scene.HalfLerp(hexNF_5, points[k1]);
hexNF_8 = Scene.HalfLerp(hexNF_6, points[k1]);
points[k1 + k3] = Scene.RandomLerp(hexNF_7, hexNF_8, range);
hexNF_7 = Scene.HalfLerp(end_f, hexNF_5);
hexNF_8 = Scene.HalfLerp(end_f, hexNF_6);
points[k1 + k2 + k3] = Scene.RandomLerp(hexNF_7, hexNF_8, range);
break;
}
Scene.hexNum[] noisyEdge = new Scene.hexNum[0];
Scene.hexNum[] line;
Scene.hexNum[] pointsRounded = new Scene.hexNum[points.Length];
for (int i = 0; i < points.Length; i++)
{
pointsRounded[i] = CubeRound(points[i].num_x_float, points[i].num_z_float);
}
for (int i = 0; i < points.Length - 1; i++)
{
line = GetLineBetweenPointsCube(pointsRounded[i], pointsRounded[i + 1]);
Utils.Add(ref noisyEdge, pointsRounded[i]);
if (line != null)
{
Utils.Add(ref noisyEdge, line);
}
}
Utils.Add(ref noisyEdge, pointsRounded[points.Length - 1]);
for (int i = 0; i < noisyEdge.Length; i++)
{
noisyEdge[i] = CubeToOffsetCoord(noisyEdge[i]);
if (noisyEdge[i].num_x < 0)
{
noisyEdge[i].num_x = 0;
}
if (noisyEdge[i].num_x >= Scene.areaHeight)
{
noisyEdge[i].num_x = Scene.areaHeight - 1;
}
if (noisyEdge[i].num_z < 0)
{
noisyEdge[i].num_z = 0;
}
if (noisyEdge[i].num_z >= Scene.areaWidth)
{
noisyEdge[i].num_z = Scene.areaWidth - 1;
}
}
return(noisyEdge);
}
public static Scene.hexNum[] GetTwistedEdgesBetweenPointsOffset(Scene.hexNum start, Scene.hexNum end, float range)
{
// twist twice
Scene.hexNumFloat[] points = new Scene.hexNumFloat[4];
start = OffsetToCubeCoord(start);
end = OffsetToCubeCoord(end);
Scene.hexNumFloat start_f = Scene.HexNumToFloat(start);
Scene.hexNumFloat end_f = Scene.HexNumToFloat(end);
points[0] = start_f;
points[points.Length - 1] = end_f;
Scene.hexNumFloat hexNF_1 = new Scene.hexNumFloat {
num_x_float = start.num_x,
num_z_float = end.num_z,
};
Scene.hexNumFloat hexNF_2 = new Scene.hexNumFloat {
num_x_float = end.num_x,
num_z_float = start.num_z,
};
Scene.hexNumFloat hexNF_3 = Scene.Lerp(start_f, hexNF_1, 0.33f);
Scene.hexNumFloat hexNF_4 = Scene.Lerp(start_f, hexNF_2, 0.33f);
points[1] = Scene.RandomLerp(hexNF_3, hexNF_4, range);
hexNF_3 = Scene.Lerp(end_f, hexNF_1, 0.33f);
hexNF_4 = Scene.Lerp(end_f, hexNF_2, 0.33f);
points[2] = Scene.RandomLerp(hexNF_3, hexNF_4, range);
Scene.hexNum[] edge = new Scene.hexNum[0];
Scene.hexNum[] line;
Scene.hexNum[] pointsRounded = new Scene.hexNum[points.Length];
for (int i = 0; i < points.Length; i++)
{
pointsRounded[i] = CubeRound(points[i].num_x_float, points[i].num_z_float);
}
for (int i = 0; i < points.Length - 1; i++)
{
line = GetLineBetweenPointsCube(pointsRounded[i], pointsRounded[i + 1]);
Utils.Add(ref edge, pointsRounded[i]);
if (line != null)
{
Utils.Add(ref edge, line);
}
}
Utils.Add(ref edge, pointsRounded[points.Length - 1]);
for (int i = 0; i < edge.Length; i++)
{
edge[i] = CubeToOffsetCoord(edge[i]);
if (edge[i].num_x < 0)
{
edge[i].num_x = 0;
}
if (edge[i].num_x >= Scene.areaHeight)
{
edge[i].num_x = Scene.areaHeight - 1;
}
if (edge[i].num_z < 0)
{
edge[i].num_z = 0;
}
if (edge[i].num_z >= Scene.areaWidth)
{
edge[i].num_z = Scene.areaWidth - 1;
}
}
return(edge);
}
