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some sculpted prim geometry accuracy and meshing speed improvements

0.6.5-rc1
Dahlia Trimble 2009-05-15 03:14:04 +00:00
parent 786ff98f6d
commit 14c1e991c6
1 changed files with 7 additions and 22 deletions
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29
OpenSim/Region/Physics/Meshing/SculptMesh.cs
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@ -45,7 +45,7 @@ namespace PrimMesher
public List<UVCoord> uvs;
public enum SculptType { sphere = 1, torus = 2, plane = 3, cylinder = 4 };
private const float pixScale = 0.00390625f; // 1.0 / 256
private static float pixScale = 1.0f / 255;
private Bitmap ScaleImage(Bitmap srcImage, float scale)
{
@ -73,7 +73,7 @@ namespace PrimMesher
scaledImage.SetResolution(96.0f, 96.0f);
Graphics grPhoto = Graphics.FromImage(scaledImage);
grPhoto.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Bilinear;
grPhoto.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
grPhoto.DrawImage(srcImage,
new Rectangle(destX, destY, destWidth, destHeight),
@ -217,7 +217,6 @@ namespace PrimMesher
if (sculptType == SculptType.plane)
invert = !invert;
//float sourceScaleFactor = (float)lod / (float)Math.Max(sculptBitmap.Width, sculptBitmap.Height);
float sourceScaleFactor = (float)(lod) / (float)Math.Sqrt(sculptBitmap.Width * sculptBitmap.Height);
bool scaleSourceImage = sourceScaleFactor < 1.0f ? true : false;
@ -242,26 +241,12 @@ namespace PrimMesher
int imageX, imageY;
if (sculptType == SculptType.sphere)
{ // average the top and bottom row pixel values so the resulting vertices appear to converge
int lastRow = height - 1;
int r1 = 0, g1 = 0, b1 = 0;
int r2 = 0, g2 = 0, b2 = 0;
for (imageX = 0; imageX < width; imageX++)
{
Color c1 = bitmap.GetPixel(imageX, 0);
Color c2 = bitmap.GetPixel(imageX, lastRow);
int lastRow = height - 1;
r1 += c1.R;
g1 += c1.G;
b1 += c1.B;
r2 += c2.R;
g2 += c2.G;
b2 += c2.B;
}
Color newC1 = Color.FromArgb(r1 / width, g1 / width, b1 / width);
Color newC2 = Color.FromArgb(r2 / width, g2 / width, b2 / width);
// poles of sphere mesh are the center pixels of the top and bottom rows
Color newC1 = bitmap.GetPixel(width / 2, 0);
Color newC2 = bitmap.GetPixel(width / 2, lastRow);
for (imageX = 0; imageX < width; imageX++)
{
@ -272,8 +257,8 @@ namespace PrimMesher
}
int pixelsDown = sculptType == SculptType.plane ? height : height + 1;
int pixelsAcross = sculptType == SculptType.plane ? width : width + 1;
int pixelsDown = sculptType == SculptType.sphere || sculptType == SculptType.cylinder ? height + 1 : height;
for (imageY = 0; imageY < pixelsDown; imageY++)
{