public NetworkGraphState(NetworkGraphData <T> data, NetworkGraphConfig cfg)
{
_cfg = cfg;
_data = data;
Positions = new Vector2[data.Count];
Displacements = new Vector2[data.Count];
Inertia = new float[data.Count];
var r = new Random(cfg.LayoutSeed);
// randomize the initial positions
for (var i = 0; i < Positions.Length; i++)
{
var x = r.NextDouble() * 2.0 - 1.0;
var y = r.NextDouble() * 2.0 - 1.0;
Positions[i] = new Vector2((float)x * 1, (float)y * 1);
Positions[i].Normalize();
Positions[i] *= 5.0f;
// more falloff for inertia.
Inertia[i] = (float)r.NextDouble() * (float)r.NextDouble() * RandomInertiaFactor;
}
Camera = new DampenedCamera2D {
VerticalSizeDampeningFactor = 0.5f,
PositionDampeningFactor = 0.1f
};
Camera.Target.VerticalSize = 5;
Camera.Current.VerticalSize = 5;
Camera.Snap();
}
internal CartesianGraphState(CartesianGraphSettings cfg)
{
_cfg = cfg;
Camera = new DampenedCamera2D {
VerticalSizeDampeningFactor = 0.5f,
PositionDampeningFactor = 0.1f
};
Camera.Target.VerticalSize = DefaultCameraZoom;
Camera.Current.VerticalSize = DefaultCameraZoom;
Camera.Snap();
}
