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Update svn properties.

0.6.0-stable
Jeff Ames 2008-03-12 12:22:43 +00:00
parent 935e67a783
commit 43148ffc23
1 changed files with 51 additions and 51 deletions
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102
OpenSim/Region/Environment/Modules/Terrain/TerrainUtil.cs
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@ -1,51 +1,51 @@
using System;
using OpenSim.Region.Environment.Interfaces;
namespace OpenSim.Region.Environment.Modules.Terrain
{
public static class TerrainUtil
{
public static double MetersToSphericalStrength(double size)
{
return Math.Pow(2, size);
}
public static double SphericalFactor(double x, double y, double rx, double ry, double size)
{
return size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
}
public static double GetBilinearInterpolate(double x, double y, ITerrainChannel map)
{
int w = map.Width;
int h = map.Height;
if (x > w - 2.0)
x = w - 2.0;
if (y > h - 2.0)
y = h - 2.0;
if (x < 0.0)
x = 0.0;
if (y < 0.0)
y = 0.0;
int stepSize = 1;
double h00 = map[(int)x, (int)y];
double h10 = map[(int)x + stepSize, (int)y];
double h01 = map[(int)x, (int)y + stepSize];
double h11 = map[(int)x + stepSize, (int)y + stepSize];
double h1 = h00;
double h2 = h10;
double h3 = h01;
double h4 = h11;
double a00 = h1;
double a10 = h2 - h1;
double a01 = h3 - h1;
double a11 = h1 - h2 - h3 + h4;
double partialx = x - (int)x;
double partialz = y - (int)y;
double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);
return hi;
}
}
}
using System;
using OpenSim.Region.Environment.Interfaces;
namespace OpenSim.Region.Environment.Modules.Terrain
{
public static class TerrainUtil
{
public static double MetersToSphericalStrength(double size)
{
return Math.Pow(2, size);
}
public static double SphericalFactor(double x, double y, double rx, double ry, double size)
{
return size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
}
public static double GetBilinearInterpolate(double x, double y, ITerrainChannel map)
{
int w = map.Width;
int h = map.Height;
if (x > w - 2.0)
x = w - 2.0;
if (y > h - 2.0)
y = h - 2.0;
if (x < 0.0)
x = 0.0;
if (y < 0.0)
y = 0.0;
int stepSize = 1;
double h00 = map[(int)x, (int)y];
double h10 = map[(int)x + stepSize, (int)y];
double h01 = map[(int)x, (int)y + stepSize];
double h11 = map[(int)x + stepSize, (int)y + stepSize];
double h1 = h00;
double h2 = h10;
double h3 = h01;
double h4 = h11;
double a00 = h1;
double a10 = h2 - h1;
double a01 = h3 - h1;
double a11 = h1 - h2 - h3 + h4;
double partialx = x - (int)x;
double partialz = y - (int)y;
double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);
return hi;
}
}
}