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-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs36
1 files changed, 25 insertions, 11 deletions
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs
index fe82396..290711f 100644
--- a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs
@@ -36,29 +36,43 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
36 36
37 public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration) 37 public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
38 { 38 {
39 strength = TerrainUtil.MetersToSphericalStrength(strength); 39 int s = (int) (Math.Pow(2, strength) + 0.5);
40 duration = 0.03; //MCP Should be read from ini file 40
41
42 int x; 41 int x;
43 for (x = 0; x < map.Width; x++) 42 int xFrom = (int)(rx-s+0.5);
43 int xTo = (int)(rx+s+0.5) + 1;
44 int yFrom = (int)(ry-s+0.5);
45 int yTo = (int)(ry+s+0.5) + 1;
46
47 if (xFrom < 0)
48 xFrom = 0;
49
50 if (yFrom < 0)
51 yFrom = 0;
52
53 if (xTo > map.Width)
54 xTo = map.Width;
55
56 if (yTo > map.Width)
57 yTo = map.Width;
58
59 for (x = xFrom; x < xTo; x++)
44 { 60 {
45 int y; 61 int y;
46 for (y = 0; y < map.Height; y++) 62 for (y = yFrom; y <= yTo; y++)
47 { 63 {
48 if (!mask[x,y]) 64 if (!mask[x,y])
49 continue; 65 continue;
50 66
51 // Calculate a sphere and add it to the heighmap 67 // Calculate a cos-sphere and add it to the heighmap
52 double z = strength; 68 double r = Math.Sqrt((x-rx) * (x-rx) + ((y-ry) * (y-ry)));
53 z *= z; 69 double z = Math.Cos(r * Math.PI / (s * 2));
54 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
55
56 if (z > 0.0) 70 if (z > 0.0)
57 map[x, y] -= z * duration; 71 map[x, y] -= z * duration;
58 } 72 }
59 } 73 }
60 }
61 74
75 }
62 #endregion 76 #endregion
63 } 77 }
64} 78}