/// <summary>
/// Creates a new terrain height smoother.
/// </summary>
/// <param name="terrain">The <see cref="ITerrain"/> to modify.</param>
/// <param name="engineTerrain">The <see cref="OmegaEngine.Graphics.Renderables.Terrain"/> to live-update while modifying.</param>
/// <param name="refreshHandler">Called when the presenter needs to be reset.</param>
/// <param name="sigma">The standard deviation of the Gaussian distribution.</param>
public HeightSmooth(ITerrain terrain, OmegaEngine.Graphics.Renderables.Terrain engineTerrain, Action refreshHandler, double sigma)
: base(terrain, engineTerrain, refreshHandler)
{
_kernel = MathUtils.GaussKernel(sigma, Math.Max(3, (int)(6 * sigma) - 1));
}
/// <summary>
/// Creates a new terrain height shifter.
/// </summary>
/// <param name="terrain">The <see cref="ITerrain"/> to modify.</param>
/// <param name="engineTerrain">The <see cref="OmegaEngine.Graphics.Renderables.Terrain"/> to live-update while modifying.</param>
/// <param name="refreshHandler">Called when the presenter needs to be reset.</param>
/// <param name="diff">The value by which the terrain height is to be shifted.</param>
public HeightShift(ITerrain terrain, OmegaEngine.Graphics.Renderables.Terrain engineTerrain, Action refreshHandler, short diff)
: base(terrain, engineTerrain, refreshHandler)
{
_diff = diff;
}
/// <summary>
/// Creates a new terrain height noise generator.
/// </summary>
/// <param name="terrain">The <see cref="ITerrain"/> to modify.</param>
/// <param name="engineTerrain">The <see cref="OmegaEngine.Graphics.Renderables.Terrain"/> to live-update while modifying.</param>
/// <param name="refreshHandler">Called when the presenter needs to be reset.</param>
/// <param name="amplitude">The maximum amplitude of the noise to generate.</param>
/// <param name="frequency">The frequency of the noise to generate.</param>
public HeightNoise(ITerrain terrain, OmegaEngine.Graphics.Renderables.Terrain engineTerrain, Action refreshHandler, double amplitude, double frequency)
: base(terrain, engineTerrain, refreshHandler)
{
_amplitude = amplitude;
_frequency = frequency;
}
/// <summary>
/// Creates a new terrain plateau creator.
/// </summary>
/// <param name="terrain">The <see cref="ITerrain"/> to modify.</param>
/// <param name="engineTerrain">The <see cref="OmegaEngine.Graphics.Renderables.Terrain"/> to live-update while modifying.</param>
/// <param name="refreshHandler">Called when the presenter needs to be reset.</param>
public HeightPlateau(ITerrain terrain, OmegaEngine.Graphics.Renderables.Terrain engineTerrain, Action refreshHandler)
: base(terrain, engineTerrain, refreshHandler + (() => terrain.OcclusionIntervalMapOutdated = true)) // Mark the shadow maps for update
{
}