/// <summary>
/// Sets up the terrain functions
/// </summary>
/// <param name="heightFunction">The terrain height function</param>
/// <param name="groundFunction">The terrain ground offset function</param>
public void SetupTerrain( TerrainFunction heightFunction, TerrainFunction groundFunction )
{
if ( PlanetModel == null )
{
throw new InvalidOperationException( "Terrain model does not have an associated planet. Cannot setup terrain" );
}
float height = MaximumHeight.ToRenderUnits;
m_Gen = new TerrainGenerator( TerrainGeometry.Plane, heightFunction, groundFunction );
m_Gen.Setup( 1024, 0, height );
m_Gen.SetSmallestStepSize( 0.001f, 0.001f );
OnModelChanged( );
}
/// <summary>
/// Sets up the terrain functions
/// </summary>
/// <param name="heightFunction">The terrain height function</param>
/// <param name="groundFunction">The terrain ground offset function</param>
public void SetupTerrain( TerrainFunction heightFunction, TerrainFunction groundFunction )
{
if ( Planet == null )
{
throw new InvalidOperationException( "Terrain model does not have an associated planet. Cannot setup terrain" );
}
float radius = SpherePlanet.PlanetModel.Radius.ToRenderUnits;
float height = MaximumHeight.ToRenderUnits;
// NOTE: AP: Patch scale is irrelevant, because vertices are projected onto the function sphere anyway
m_Gen = new TerrainGenerator( TerrainGeometry.Sphere, heightFunction, groundFunction );
m_Gen.Setup( 1024, radius, radius + height );
m_Gen.SetSmallestStepSize( MinimumStepSize, MinimumStepSize );
OnModelChanged( false, true );
}
/// <summary>
/// Creates a terrain generator from a model definition
/// </summary>
private static TerrainGenerator CreateTerrainGenerator( ISpherePlanet planet, IPlanetHomogenousProceduralTerrainModel model )
{
float radius = planet.Model.Radius.ToRenderUnits;
float height = model.MaximumHeight.ToRenderUnits;
TerrainGenerator generator = new TerrainGenerator( TerrainGeometry.Sphere, model.HeightFunction, model.GroundOffsetFunction );
generator.Setup( 1024, radius, radius + height );
generator.SetSmallestStepSize( MinimumStepSize, MinimumStepSize );
return generator;
}
