public static PositionTextureVertexBuffer Create(PositionTexture[] data)
{
PositionTextureVertexBuffer buffer = new PositionTextureVertexBuffer(data.Length);
buffer.verts = data;
buffer.Unlock();
return(buffer);
}
public void CleanUp()
{
if (vertexBuffer != null)
{
vertexBuffer = null;
}
//if (glyphCache != null)
//{
// glyphCache.CleanUp();
// glyphCache = null;
//}
Items.Clear();
}
public void PrepareBatch()
{
if (glyphCache == null)
{
glyphCache = GlyphCache.GetCache(Height);
}
if (glyphCache.Ready == false)
{
return;
}
// Add All Glyphs
//foreach (Text3d t3d in Items)
//{
// foreach (char c in t3d.Text)
// {
// glyphCache.AddGlyph(c);
// }
//}
//// Calculate Metrics
TextObject.Text = "";
TextObject.FontSize = (float)Height * .50f;
//System.Drawing.Font font = TextObject.Font;
//StringFormat sf = new StringFormat();
//sf.Alignment = StringAlignment.Near;
//Bitmap bmp = new Bitmap(20, 20);
//Graphics g = Graphics.FromImage(bmp);
//// Create Index Buffers
List <PositionTexture> verts = new List <PositionTexture>();
foreach (Text3d t3d in Items)
{
String text = t3d.Text;
float left = 0;
float top = 0;
float fntAdjust = TextObject.FontSize / 128f;
float factor = .6666f;
float width = 0;
float height = 0;
for (int i = 0; i < text.Length; i++)
{
GlyphItem item = glyphCache.GetGlyphItem(text.Substr(i, 1));
if (item != null)
{
width += (float)(item.Extents.X);
height = Math.Max(item.Extents.Y, height);
}
}
Vector2d size = Vector2d.Create(width, height);
t3d.width = size.X * (float)t3d.scale * factor * fntAdjust;
t3d.height = size.Y * (float)t3d.scale * factor * fntAdjust;
int charsLeft = text.Length;
for (int i = 0; i < charsLeft; i++)
{
GlyphItem item = glyphCache.GetGlyphItem(text.Substr(i, 1));
if (item != null)
{
Rectangle position = Rectangle.Create(left * (float)t3d.scale * factor, 0 * (float)t3d.scale * factor, item.Extents.X * fntAdjust * (float)t3d.scale * factor, item.Extents.Y * fntAdjust * (float)t3d.scale * factor);
left += (float)(item.Extents.X * fntAdjust);
//System.Diagnostics.Debug.WriteLine((position.Width/position1.Width).ToString() + ", " + (position.Height / position1.Height).ToString());
t3d.AddGlyphPoints(verts, item.Size, position, item.UVRect);
}
}
}
vertCount = verts.Count;
vertexBuffer = new PositionTextureVertexBuffer(vertCount);
PositionTexture[] vertBuf = (PositionTexture[])vertexBuffer.Lock(); // Lock the buffer (which will return our structs)
for (int i = 0; i < vertCount; i++)
{
vertBuf[i] = verts[i];
}
vertexBuffer.Unlock();
glyphVersion = glyphCache.Version;
}
public void PrepareBatch()
{
if (glyphCache == null)
{
glyphCache = GlyphCache.GetCache(Height);
}
if (glyphCache.Ready == false)
{
return;
}
// Add All Glyphs
//foreach (Text3d t3d in Items)
//{
// foreach (char c in t3d.Text)
// {
// glyphCache.AddGlyph(c);
// }
//}
//// Calculate Metrics
TextObject.Text = "";
TextObject.FontSize = (float)Height * .50f;
//System.Drawing.Font font = TextObject.Font;
//StringFormat sf = new StringFormat();
//sf.Alignment = StringAlignment.Near;
//Bitmap bmp = new Bitmap(20, 20);
//Graphics g = Graphics.FromImage(bmp);
//// Create Index Buffers
List<PositionTexture> verts = new List<PositionTexture>();
foreach (Text3d t3d in Items)
{
String text = t3d.Text;
Vector2d size = Vector2d.Create(1000,100); //g.MeasureString(text, font);
float factor = .6666f;
t3d.width = size.X * (float)t3d.scale * factor;
t3d.height = size.Y * (float)t3d.scale * factor;
float left = 0;
float top = 0;
float fntAdjust = TextObject.FontSize / 128f;
int charsLeft = text.Length;
for (int i = 0; i < charsLeft; i++)
{
GlyphItem item = glyphCache.GetGlyphItem(text.Substr(i,1));
Rectangle position = Rectangle.Create(left * (float)t3d.scale * factor, 0 * (float)t3d.scale * factor, item.Extents.X * fntAdjust * (float)t3d.scale * factor, item.Extents.Y * fntAdjust * (float)t3d.scale * factor);
left += (float)(item.Extents.X * fntAdjust);
//System.Diagnostics.Debug.WriteLine((position.Width/position1.Width).ToString() + ", " + (position.Height / position1.Height).ToString());
t3d.AddGlyphPoints(verts, item.Size, position, item.UVRect);
}
}
vertCount = verts.Count;
vertexBuffer = new PositionTextureVertexBuffer(vertCount);
PositionTexture[] vertBuf = (PositionTexture[])vertexBuffer.Lock(); // Lock the buffer (which will return our structs)
for (int i = 0; i < vertCount; i++)
{
vertBuf[i] = verts[i];
}
vertexBuffer.Unlock();
glyphVersion = glyphCache.Version;
}
public void CleanUp()
{
if (vertexBuffer != null)
{
vertexBuffer = null;
}
//if (glyphCache != null)
//{
// glyphCache.CleanUp();
// glyphCache = null;
//}
Items.Clear();
}
private static void CreateGalaxyImage(RenderContext renderContext)
{
if (milkyWayImage == null)
{
milkyWayImage = Planets.LoadPlanetTexture("http://cdn.worldwidetelescope.org/webclient/images/milkywaybar.jpg");
}
int subdivs = 50;
double lat, lng;
int index = 0;
double latMin = 64;
double latMax = -64;
double lngMin = -64;
double lngMax = 64;
//// Create a vertex buffer
galaxyImageVertexBuffer = new PositionTextureVertexBuffer((subdivs + 1) * (subdivs + 1));
PositionTexture[] verts = (PositionTexture[])galaxyImageVertexBuffer.Lock();
int x1, y1;
double latDegrees = latMax - latMin;
double lngDegrees = lngMax - lngMin;
double scaleFactor = 60800000.0;
double ecliptic = Coordinates.MeanObliquityOfEcliptic(SpaceTimeController.JNow) / 180.0 * Math.PI;
Vector3d point;
double textureStepX = 1.0f / subdivs;
double textureStepY = 1.0f / subdivs;
for (y1 = 0; y1 <= subdivs; y1++)
{
if (y1 != subdivs)
{
lat = latMax - (textureStepY * latDegrees * (double)y1);
}
else
{
lat = latMin;
}
for (x1 = 0; x1 <= subdivs; x1++)
{
if (x1 != subdivs)
{
lng = lngMin + (textureStepX * lngDegrees * (double)x1);
}
else
{
lng = lngMax;
}
index = y1 * (subdivs + 1) + x1;
point = Vector3d.Create(lng * scaleFactor, 0, (lat - 28) * scaleFactor);
point.RotateY(213.0 / 180 * Math.PI);
point.RotateZ((-62.87175) / 180 * Math.PI);
point.RotateY((-192.8595083) / 180 * Math.PI);
point.RotateX(ecliptic);
verts[index] = PositionTexture.CreatePosRaw(point, (float)(1f - x1 * textureStepX), (float)(/*1f - */ (y1 * textureStepY)));
//verts[index].Position = point;
//verts[index].Tu = (float)(1f - x1 * textureStepX);
//verts[index].Tv = (float)(/*1f - */(y1 * textureStepY));
}
}
galaxyImageVertexBuffer.Unlock();
galaxyImageTriangleCount = (subdivs) * (subdivs) * 2;
Uint16Array ui16array = new Uint16Array(subdivs * subdivs * 6);
UInt16[] indexArray = (UInt16[])(object)ui16array;
for (y1 = 0; y1 < subdivs; y1++)
{
for (x1 = 0; x1 < subdivs; x1++)
{
index = (y1 * subdivs * 6) + 6 * x1;
// First triangle in quad
indexArray[index] = (ushort)(y1 * (subdivs + 1) + x1);
indexArray[index + 2] = (ushort)((y1 + 1) * (subdivs + 1) + x1);
indexArray[index + 1] = (ushort)(y1 * (subdivs + 1) + (x1 + 1));
// Second triangle in quad
indexArray[index + 3] = (ushort)(y1 * (subdivs + 1) + (x1 + 1));
indexArray[index + 5] = (ushort)((y1 + 1) * (subdivs + 1) + x1);
indexArray[index + 4] = (ushort)((y1 + 1) * (subdivs + 1) + (x1 + 1));
}
}
galaxyImageIndexBuffer = Tile.PrepDevice.createBuffer();
Tile.PrepDevice.bindBuffer(GL.ELEMENT_ARRAY_BUFFER, galaxyImageIndexBuffer);
Tile.PrepDevice.bufferData(GL.ELEMENT_ARRAY_BUFFER, ui16array, GL.STATIC_DRAW);
}
