public void NoiseTestSimpleTerrain()
{
XNAGame game = new XNAGame();
PerlinNoiseGenerater noise;
noise = new PerlinNoiseGenerater();
float factor = 0.1f;
float scale = 10f;
List <Vector3> positions = new List <Vector3>();
List <Color> colors = new List <Color>();
int width = 100;
int height = 100;
float verticesPerMeter = 1;
int verticesX = (int)(width * verticesPerMeter);
int verticesY = (int)(height * verticesPerMeter);
SimpleTerrain terrain;
noise.NumberOfOctaves = 8;
noise.persistance = 0.2f;
for (int i = 0; i < verticesX; i++)
{
for (int j = 0; j < verticesY; j++)
{
positions.Add(new Vector3(i / verticesPerMeter, noise.interpolatedNoise((i / verticesPerMeter) * 0.1f, (j / verticesPerMeter) * 0.2f) * scale, j / verticesPerMeter));
colors.Add(new Color((byte)(150 * noise.GetPerlineNoise(i, j)), (byte)(100 + 70 * noise.GetPerlineNoise(i + 1, j + 1)), (byte)(140 * noise.GetPerlineNoise(i, j + 2))));
}
}
terrain = new SimpleTerrain(game, positions, colors, verticesX, verticesY);
game.InitializeEvent +=
delegate
{
terrain.CreateRenderData();
};
bool changed = false;
game.UpdateEvent +=
delegate
{
if (game.Keyboard.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.O))
{
noise.NumberOfOctaves++;
changed = true;
}
if (game.Keyboard.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.P))
{
noise.persistance *= 0.1f;
changed = true;
}
if (game.Keyboard.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.F))
{
factor *= 0.1f;
changed = true;
}
if (changed)
{
for (int i = 0; i < verticesX; i++)
{
for (int j = 0; j < verticesY; j++)
{
positions.Add(new Vector3(i / verticesPerMeter, noise.GetPerlineNoise((i / verticesPerMeter) * factor, (j / verticesPerMeter) * factor) * scale, j / verticesPerMeter));
colors.Add(new Color((byte)(150 * noise.GetPerlineNoise(i, j)), (byte)(100 + 70 * noise.GetPerlineNoise(i + 1, j + 1)), (byte)(140 * noise.GetPerlineNoise(i, j + 2))));
}
}
terrain = new SimpleTerrain(game, positions, colors, verticesX, verticesY);
terrain.CreateRenderData();
changed = false;
}
};
game.DrawEvent +=
delegate
{
terrain.Render();
};
game.Run();
}
private Color smoothColor(Color colorA, Color colorB, float distribution, float count)
{
Color color = new Color(Vector4.Lerp(colorA.ToVector4(), colorB.ToVector4(), distribution * noise.interpolatedNoise(count, 1)));
return(color);
return(Color.White);
}
