/// <summary>
/// Initialize terrain context
/// </summary>
private void InitializeContext()
{
float x = this.minimapArea.Maximum.X - this.minimapArea.Minimum.X;
float y = this.minimapArea.Maximum.Y - this.minimapArea.Minimum.Y;
float z = this.minimapArea.Maximum.Z - this.minimapArea.Minimum.Z;
float aspect = this.minimapBox.Height / this.minimapBox.Width;
float near = 0.1f;
Vector3 eyePos = new Vector3(0, y + near, 0);
Vector3 target = Vector3.Zero;
Matrix view = Matrix.LookAtLH(
eyePos,
target,
Vector3.UnitZ);
Matrix proj = Matrix.OrthoLH(
x / aspect,
z,
near,
y + near);
this.drawContext = new DrawContext()
{
DrawerMode = DrawerModes.Forward | DrawerModes.OpaqueOnly,
ViewProjection = view * proj,
EyePosition = eyePos,
EyeTarget = target,
Lights = SceneLights.CreateDefault(),
};
}
/// <summary>
/// Create default set of lights
/// </summary>
/// <returns>Returns default set of ligths</returns>
public static SceneLights CreateDefault()
{
var lights = new[]
{
SceneLightDirectional.KeyLight,
SceneLightDirectional.FillLight,
SceneLightDirectional.BackLight,
};
var defLights = new SceneLights();
defLights.AddRange(lights);
return(defLights);
}