42 lines
1.2 KiB
C#
42 lines
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using OpenSim.Region.Environment.Modules.Terrain;
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using OpenSim.Region.Environment.Interfaces;
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namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes
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{
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class RaiseSphere : ITerrainPaintableEffect
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{
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#region ITerrainPaintableEffect Members
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public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength)
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{
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int x, y;
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for (x = 0; x < map.Width; x++)
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{
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// Skip everything unlikely to be affected
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if (Math.Abs(x - rx) > strength * 1.1)
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continue;
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for (y = 0; y < map.Height; y++)
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{
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// Skip everything unlikely to be affected
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if (Math.Abs(y - ry) > strength * 1.1)
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continue;
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// Calculate a sphere and add it to the heighmap
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double z = strength;
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z *= z;
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z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
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if (z > 0.0)
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map[x, y] += z;
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}
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}
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}
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#endregion
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}
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}
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