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* Now using interpolation to expand the 256x256 heightfield data to 512x512 before it's passed to ODE.

afrisby
Teravus Ovares 2007-12-03 19:21:26 +00:00
parent c29105aa3e
commit 5061808afc
1 changed files with 102 additions and 8 deletions
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108
OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
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@ -899,11 +899,65 @@ namespace OpenSim.Region.Physics.OdePlugin
} }
} }
// Resize using the nearest neighbor method // Resize using interpolation
// Going to be doing interpolation here soon
// This particular way is quick but it only works on a multiple of the original // This particular way is quick but it only works on a multiple of the original
// The idea behind this method can be described with the following diagrams
// second pass and third pass happen in the same loop really.. just separated
// them to show what this does.
// First Pass
// ResultArr:
// 1,1,1,1,1,1
// 1,1,1,1,1,1
// 1,1,1,1,1,1
// 1,1,1,1,1,1
// 1,1,1,1,1,1
// 1,1,1,1,1,1
// Second Pass
// ResultArr2:
// 1,,1,,1,,1,,1,,1,
// ,,,,,,,,,,
// 1,,1,,1,,1,,1,,1,
// ,,,,,,,,,,
// 1,,1,,1,,1,,1,,1,
// ,,,,,,,,,,
// 1,,1,,1,,1,,1,,1,
// ,,,,,,,,,,
// 1,,1,,1,,1,,1,,1,
// ,,,,,,,,,,
// 1,,1,,1,,1,,1,,1,
// Third pass fills in the blanks
// ResultArr2:
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// 1,1,1,1,1,1,1,1,1,1,1,1
// X,Y = .
// X+1,y = ^
// X,Y+1 = *
// X+1,Y+1 = #
// Filling in like this;
// .*
// ^#
// 1st .
// 2nd *
// 3rd ^
// 4th #
// on single loop.
float[,] resultarr2 = new float[512, 512]; float[,] resultarr2 = new float[512, 512];
for (int y = 0; y < 256; y++) for (int y = 0; y < 256; y++)
{ {
@ -912,12 +966,52 @@ namespace OpenSim.Region.Physics.OdePlugin
resultarr2[y*2,x*2] = resultarr[y,x]; resultarr2[y*2,x*2] = resultarr[y,x];
if (y < 256) if (y < 256)
resultarr2[(y*2)+1,x*2] = resultarr[y,x]; {
if (y + 1 < 256)
{
if (x + 1 < 256)
{
resultarr2[(y * 2) + 1, x * 2] = ((resultarr[y, x] + resultarr[y + 1, x] + resultarr[y, x+1] + resultarr[y+1, x+1])/4);
}
else
{
resultarr2[(y * 2) + 1, x * 2] = ((resultarr[y, x] + resultarr[y + 1, x]) / 2);
}
}
else
{
resultarr2[(y * 2) + 1, x * 2] = resultarr[y, x];
}
}
if (x < 256) if (x < 256)
resultarr2[y*2,(x*2)+1] = resultarr[y,x]; {
if (x + 1 < 256)
if (x<256 && y < 256) {
resultarr2[(y*2)+1,(x*2)+1] = resultarr[y,x]; if (y + 1 < 256)
{
resultarr2[y * 2, (x * 2) + 1] = ((resultarr[y, x] + resultarr[y + 1, x] + resultarr[y, x + 1] + resultarr[y + 1, x + 1]) / 4);
}
else
{
resultarr2[y * 2, (x * 2) + 1] = ((resultarr[y, x] + resultarr[y, x + 1]) / 2);
}
}
else
{
resultarr2[y * 2, (x * 2) + 1] = resultarr[y, x];
}
}
if (x < 256 && y < 256)
{
if ((x + 1 < 256) && (y + 1 < 256))
{
resultarr2[(y * 2) + 1, (x * 2) + 1] = ((resultarr[y, x] + resultarr[y + 1, x] + resultarr[y, x + 1] + resultarr[y + 1, x + 1]) / 4);
}
else
{
resultarr2[(y * 2) + 1, (x * 2) + 1] = resultarr[y, x];
}
}
} }
} }