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Topic: Different map for multi texturing



  
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   Different map for multi texturing
 Poster : alex4x
 Posts: 1
 Country : Russia
 City: Sakhalin

  
Posted by alex4x on 02/04/2007 at 18:29:46
THANKS for best tutorial about XNA and terrain

i'm added new texture for mapping, it's view good!

//in SetUpTerrainVertices()

Color[] textureMapColors = new Color[WIDTH * HEIGHT];

textMap.GetData(textureMapColors);

//in loop

for (int x = 0; x < WIDTH; x++)
for (int y = 0; y < HEIGHT; y++)
{
}

place this



                    float H = (float) textureMapColors[x + y * WIDTH].R;
                    float Snow = 0.0f;
                    float Rock = 0.0f;
                    float Grass = 0.0f;
                    float Sand = 0.0f;

                    if (H < 85)
                    {
                        float K = H / 85 * MathHelper.Pi;
                        Snow = (float) Math.Sin(K);
                        Rock = (float) Math.Cos(K);

                    }
                    else if (H < 170)
                    {
                        float K = Math.Abs(H-85) / 85 * MathHelper.Pi;
                        Rock = (float) Math.Sin(K);
                        Grass = (float) Math.Cos(K);
                    }
                    else{
                        float K = Math.Abs(H - 170) / 85 * MathHelper.Pi;
                        Grass = (float) Math.Sin(K);
                        Sand = (float) Math.Cos(K);
                    }

                    terrainVertices[x + y * WIDTH].TexWeights.X = MathHelper.Clamp(Sand, 0, 1);
                    terrainVertices[x + y * WIDTH].TexWeights.Y = MathHelper.Clamp(Grass, 0, 1);
                    terrainVertices[x + y * WIDTH].TexWeights.Z = MathHelper.Clamp(Rock, 0, 1);
                    terrainVertices[x + y * WIDTH].TexWeights.W = MathHelper.Clamp(Snow, 0, 1);









  
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