public GatewayPathway(IEnumerable <Gateway> gateways, bool cyclic = false)
{
List <TrianglePathway.Triangle> triangles = new List <TrianglePathway.Triangle>();
bool first = true;
Gateway previous = default(Gateway);
Vector3 previousNormalized = Vector3.Zero;
foreach (var gateway in gateways)
{
var n = Vector3.Normalize(gateway.B - gateway.A);
if (!first)
{
if (Vector3.Dot(n, previousNormalized) < 0)
{
triangles.Add(new TrianglePathway.Triangle(previous.A, previous.B, gateway.A));
triangles.Add(new TrianglePathway.Triangle(previous.A, gateway.A, gateway.B));
}
else
{
triangles.Add(new TrianglePathway.Triangle(previous.A, previous.B, gateway.A));
triangles.Add(new TrianglePathway.Triangle(previous.B, gateway.A, gateway.B));
}
}
first = false;
previousNormalized = n;
previous = gateway;
}
_trianglePathway = new TrianglePathway(triangles, cyclic);
}
public GatewayPathway(IEnumerable<Gateway> gateways, bool cyclic = false)
{
List<TrianglePathway.Triangle> triangles = new List<TrianglePathway.Triangle>();
bool first = true;
Gateway previous = default(Gateway);
Vector3 previousNormalized = Vector3.Zero;
foreach (var gateway in gateways)
{
var n = Vector3.Normalize(gateway.B - gateway.A);
if (!first)
{
if (Vector3.Dot(n, previousNormalized) < 0)
{
triangles.Add(new TrianglePathway.Triangle(previous.A, previous.B, gateway.A));
triangles.Add(new TrianglePathway.Triangle(previous.A, gateway.A, gateway.B));
}
else
{
triangles.Add(new TrianglePathway.Triangle(previous.A, previous.B, gateway.A));
triangles.Add(new TrianglePathway.Triangle(previous.B, gateway.A, gateway.B));
}
}
first = false;
previousNormalized = n;
previous = gateway;
}
_trianglePathway = new TrianglePathway(triangles, cyclic);
}
private void GeneratePath()
{
var rand = new Random();
float xOffsetDeriv = 0;
float xOffset = 0;
var points = new List<Vector3>();
for (var i = 0; i < 200; i++)
{
xOffsetDeriv = MathHelper.Clamp((float)rand.NextDouble() * 2 - (xOffsetDeriv * 0.0125f), -15, 15);
xOffset += xOffsetDeriv;
points.Add(new Vector3(xOffset + 1, 0, i) * 5);
points.Add(new Vector3(xOffset - 1, 0, i) * 5);
}
_path = new TrianglePathway(Enumerable.Range(0, points.Count - 2).Select(i => new TrianglePathway.Triangle(points[i], points[i + 1], points[i + 2])));
}
