Axiom.Samples.Terrain.TerrainSample.InitBlendMaps C# (CSharp) Метод

		private void InitBlendMaps( Axiom.Components.Terrain.Terrain terrain )
		{

			TerrainLayerBlendMap blendMap0 = terrain.GetLayerBlendMap( 1 );
			TerrainLayerBlendMap blendMap1 = terrain.GetLayerBlendMap( 2 );
			Real minHeight0 = 70;
			Real fadeDist0 = 40;
			Real minHeight1 = 70;
			Real fadeDist1 = 15;

			float[] pBlend1 = blendMap1.BlendPointer;
			int blendIdx = 0;
			for ( ushort y = 0; y < terrain.LayerBlendMapSize; y++ )
			{
				for ( ushort x = 0; x < terrain.LayerBlendMapSize; x++ )
				{
					float tx = 0;
					float ty = 0;
					blendMap0.ConvertImageToTerrainSpace( x, y, ref tx, ref ty );
					Real height = terrain.GetHeightAtTerrainPosition( tx, ty );
					Real val = ( height - minHeight0 ) / fadeDist0;
					val = Utility.Clamp( val, 0, 1 );

					val = ( height - minHeight1 ) / fadeDist1;
					val = Utility.Clamp( val, 0, 1 );
					pBlend1[ blendIdx++ ] = val;
				}
			}
			blendMap0.Dirty();
			blendMap1.Dirty();
			blendMap0.Update();
			blendMap1.Update();

		}