public TerrainSample()
{
Metadata[ "Title" ] = "Terrain";
Metadata[ "Description" ] = "Demonstrates use of the terrain rendering plugin.";
Metadata[ "Thumbnail" ] = "thumb_terrain.png";
Metadata[ "Category" ] = "Environment";
Metadata[ "Help" ] = "Left click and drag anywhere in the scene to look around. Let go again to show " +
"cursor and access widgets. Use WASD keys to move. Use +/- keys when in edit mode to change content.";
mode = Mode.Normal;
layerEdit = 1;
brushSizeTerrainSpace = 0.02f;
terrainPos = new Vector3( 1000, 0, 5000 );
// Update terrain at max 20fps
heightUpdateRate = 1.0f / 2.0f;
}