public void SubDivideNoNormalize(List <Triangle> triList, List <PositionTexture> vertexList)
{
Vector3d a1 = Vector3d.Lerp(vertexList[B].Position, vertexList[C].Position, .5f);
Vector3d b1 = Vector3d.Lerp(vertexList[C].Position, vertexList[A].Position, .5f);
Vector3d c1 = Vector3d.Lerp(vertexList[A].Position, vertexList[B].Position, .5f);
Vector2d a1uv = Vector2d.Lerp(Vector2d.Create(vertexList[B].Tu, vertexList[B].Tv), Vector2d.Create(vertexList[C].Tu, vertexList[C].Tv), .5f);
Vector2d b1uv = Vector2d.Lerp(Vector2d.Create(vertexList[C].Tu, vertexList[C].Tv), Vector2d.Create(vertexList[A].Tu, vertexList[A].Tv), .5f);
Vector2d c1uv = Vector2d.Lerp(Vector2d.Create(vertexList[A].Tu, vertexList[A].Tv), Vector2d.Create(vertexList[B].Tu, vertexList[B].Tv), .5f);
//a1.Normalize();
//b1.Normalize();
//c1.Normalize();
int aIndex = vertexList.Count;
int bIndex = vertexList.Count + 1;
int cIndex = vertexList.Count + 2;
vertexList.Add(PositionTexture.CreatePosRaw(a1, a1uv.X, a1uv.Y));
vertexList.Add(PositionTexture.CreatePosRaw(b1, b1uv.X, b1uv.Y));
vertexList.Add(PositionTexture.CreatePosRaw(c1, c1uv.X, c1uv.Y));
triList.Add(Triangle.Create(A, cIndex, bIndex));
triList.Add(Triangle.Create(B, aIndex, cIndex));
triList.Add(Triangle.Create(C, bIndex, aIndex));
triList.Add(Triangle.Create(aIndex, bIndex, cIndex));
}
public override bool CreateGeometry(RenderContext renderContext)
{
base.CreateGeometry(renderContext);
if (GeometryCreated)
{
return(true);
}
GeometryCreated = true;
for (int i = 0; i < 4; i++)
{
RenderTriangleLists[i] = new List <RenderTriangle>();
}
ComputeMatrix();
Height = texture.NaturalHeight;
Width = texture.NaturalWidth;
double latMin = 0 + (ScaleY * (Height - PixelCenterY));
double latMax = 0 - (ScaleY * PixelCenterY);
double lngMin = 0 + (ScaleX * PixelCenterX);
double lngMax = 0 - (ScaleX * (Width - PixelCenterX));
TopLeft = GeoTo3dTan(latMin, lngMin);
BottomRight = GeoTo3dTan(latMax, lngMax);
TopRight = GeoTo3dTan(latMin, lngMax);
BottomLeft = GeoTo3dTan(latMax, lngMin);
Vector3d topCenter = Vector3d.Lerp(TopLeft, TopRight, .5f);
Vector3d bottomCenter = Vector3d.Lerp(BottomLeft, BottomRight, .5f);
Vector3d center = Vector3d.Lerp(topCenter, bottomCenter, .5f);
Vector3d rightCenter = Vector3d.Lerp(TopRight, BottomRight, .5f);
Vector3d leftCenter = Vector3d.Lerp(TopLeft, BottomLeft, .5f);
//Vector3d center = Vector3d.MidPoint(TopLeft, BottomRight);
//Vector3d leftCenter = Vector3d.MidPoint(TopLeft, BottomLeft);
//Vector3d rightCenter = Vector3d.MidPoint(TopRight, BottomRight);
//Vector3d topCenter = Vector3d.MidPoint(TopLeft, TopRight);
//Vector3d bottomCenter = Vector3d.MidPoint(BottomLeft, BottomRight);
//verts[0].Position = TopLeft;
//verts[0].Normal = TopLeft;
//verts[0].Tu = 0;
//verts[0].Tv = 0;
//verts[1].Position = TopRight;
//verts[1].Normal = TopRight;
//verts[1].Tu = 1;
//verts[1].Tv = 0;
//verts[2].Position = BottomRight;
//verts[2].Normal = BottomRight;
//verts[2].Tu = 1;
//verts[2].Tv = 1;
//verts[3].Position = BottomLeft;
//verts[3].Normal = BottomLeft;
//verts[3].Tu = 0;
//verts[3].Tv = 1;
if (renderContext.gl == null)
{
//RenderTriangleLists[0].Add(RenderTriangle.Create(PositionTexture.CreatePosSize(TopLeft, 0, 0, Width, Height), PositionTexture.CreatePosSize(BottomLeft, 0, 1, Width, Height), PositionTexture.CreatePosSize(TopRight, 1, 0, Width, Height), texture, Level));
//RenderTriangleLists[0].Add(RenderTriangle.Create(PositionTexture.CreatePosSize(BottomLeft, 0, 1, Width, Height), PositionTexture.CreatePosSize(BottomRight, 1, 1, Width, Height), PositionTexture.CreatePosSize(TopRight, 1, 0, Width, Height), texture, Level));
vertexList = new List <PositionTexture>();
vertexList.Add(PositionTexture.CreatePosSize(TopLeft, 0, 0, Width, Height));
vertexList.Add(PositionTexture.CreatePosSize(TopRight, 1, 0, Width, Height));
vertexList.Add(PositionTexture.CreatePosSize(BottomLeft, 0, 1, Width, Height));
vertexList.Add(PositionTexture.CreatePosSize(BottomRight, 1, 1, Width, Height));
childTriangleList = new List <Triangle>();
if (dataset.BottomsUp)
{
childTriangleList.Add(Triangle.Create(0, 1, 2));
childTriangleList.Add(Triangle.Create(2, 1, 3));
}
else
{
childTriangleList.Add(Triangle.Create(0, 2, 1));
childTriangleList.Add(Triangle.Create(2, 3, 1));
}
int count = 3;
while (count-- > 1)
{
List <Triangle> newList = new List <Triangle>();
foreach (Triangle tri in childTriangleList)
{
tri.SubDivide(newList, vertexList);
}
childTriangleList = newList;
}
double miter = .6 / (Width / 256);
foreach (Triangle tri in childTriangleList)
{
PositionTexture p1 = vertexList[tri.A];
PositionTexture p2 = vertexList[tri.B];
PositionTexture p3 = vertexList[tri.C];
RenderTriangleLists[0].Add(RenderTriangle.CreateWithMiter(p1, p2, p3, texture, Level, miter));
}
}
else
{
//process vertex list
VertexBuffer = PrepDevice.createBuffer();
PrepDevice.bindBuffer(GL.ARRAY_BUFFER, VertexBuffer);
Float32Array f32array = new Float32Array(9 * 5);
float[] buffer = (float[])(object)f32array;
int index = 0;
index = AddVertex(buffer, index, PositionTexture.CreatePos(bottomCenter, .5, 1)); //0
index = AddVertex(buffer, index, PositionTexture.CreatePos(BottomLeft, 0, 1)); //1
index = AddVertex(buffer, index, PositionTexture.CreatePos(BottomRight, 1, 1)); //2
index = AddVertex(buffer, index, PositionTexture.CreatePos(center, .5, .5)); //3
index = AddVertex(buffer, index, PositionTexture.CreatePos(leftCenter, 0, .5)); //4
index = AddVertex(buffer, index, PositionTexture.CreatePos(rightCenter, 1, .5)); //5
index = AddVertex(buffer, index, PositionTexture.CreatePos(topCenter, .5, 0)); //6
index = AddVertex(buffer, index, PositionTexture.CreatePos(TopLeft, 0, 0)); //7
index = AddVertex(buffer, index, PositionTexture.CreatePos(TopRight, 1, 0)); //8
PrepDevice.bufferData(GL.ARRAY_BUFFER, f32array, GL.STATIC_DRAW);
// process index buffers
for (int i = 0; i < 4; i++)
{
index = 0;
TriangleCount = 2;
Uint16Array ui16array = new Uint16Array(TriangleCount * 3);
UInt16[] indexArray = (UInt16[])(object)ui16array;
switch (i)
{
case 0:
indexArray[index++] = 7;
indexArray[index++] = 4;
indexArray[index++] = 6;
indexArray[index++] = 4;
indexArray[index++] = 3;
indexArray[index++] = 6;
break;
case 1:
indexArray[index++] = 6;
indexArray[index++] = 5;
indexArray[index++] = 8;
indexArray[index++] = 6;
indexArray[index++] = 3;
indexArray[index++] = 5;
break;
case 2:
indexArray[index++] = 4;
indexArray[index++] = 0;
indexArray[index++] = 3;
indexArray[index++] = 4;
indexArray[index++] = 1;
indexArray[index++] = 0;
break;
case 3:
indexArray[index++] = 3;
indexArray[index++] = 2;
indexArray[index++] = 5;
indexArray[index++] = 3;
indexArray[index++] = 0;
indexArray[index++] = 2;
break;
}
IndexBuffers[i] = PrepDevice.createBuffer();
PrepDevice.bindBuffer(GL.ELEMENT_ARRAY_BUFFER, IndexBuffers[i]);
PrepDevice.bufferData(GL.ELEMENT_ARRAY_BUFFER, ui16array, GL.STATIC_DRAW);
}
}
return(true);
}
public override bool CreateGeometry(RenderContext renderContext)
{
base.CreateGeometry(renderContext);
if (GeometryCreated)
{
return(true);
}
if (dataset.WcsImage is FitsImage && RenderContext.UseGlVersion2)
{
FitsImage fitsImage = dataset.WcsImage as FitsImage;
texture2d = PrepDevice.createTexture();
PrepDevice.bindTexture(GL.TEXTURE_2D, texture2d);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.CLAMP_TO_EDGE);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.CLAMP_TO_EDGE);
PrepDevice.texImage2D(GL.TEXTURE_2D, 0, GL.R32F, (int)fitsImage.SizeX, (int)fitsImage.SizeY, 0, GL.RED, GL.FLOAT, fitsImage.dataUnit);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.NEAREST);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, GL.NEAREST);
Width = fitsImage.SizeX;
Height = fitsImage.SizeY;
}
else
{
WcsImage wcsImage = dataset.WcsImage as WcsImage;
if (wcsImage != null)
{
Bitmap bmp = wcsImage.GetBitmap();
texture2d = bmp.GetTexture();
if (bmp.Height != wcsImage.SizeY)
{
PixelCenterY += bmp.Height - wcsImage.SizeY;
}
if (renderContext.gl != null)
{
Height = bmp.Height;
Width = bmp.Width;
}
}
else
{
Height = texture.NaturalHeight;
Width = texture.NaturalWidth;
}
}
GeometryCreated = true;
for (int i = 0; i < 4; i++)
{
RenderTriangleLists[i] = new List <RenderTriangle>();
}
ComputeMatrix();
double latMin = 0 + (ScaleY * (Height - PixelCenterY));
double latMax = 0 - (ScaleY * PixelCenterY);
double lngMin = 0 + (ScaleX * PixelCenterX);
double lngMax = 0 - (ScaleX * (Width - PixelCenterX));
TopLeft = GeoTo3dTan(latMin, lngMin);
BottomRight = GeoTo3dTan(latMax, lngMax);
TopRight = GeoTo3dTan(latMin, lngMax);
BottomLeft = GeoTo3dTan(latMax, lngMin);
Vector3d topCenter = Vector3d.Lerp(TopLeft, TopRight, .5f);
Vector3d bottomCenter = Vector3d.Lerp(BottomLeft, BottomRight, .5f);
Vector3d center = Vector3d.Lerp(topCenter, bottomCenter, .5f);
Vector3d rightCenter = Vector3d.Lerp(TopRight, BottomRight, .5f);
Vector3d leftCenter = Vector3d.Lerp(TopLeft, BottomLeft, .5f);
if (renderContext.gl == null)
{
vertexList = new List <PositionTexture>();
vertexList.Add(PositionTexture.CreatePosSize(TopLeft, 0, 0, Width, Height));
vertexList.Add(PositionTexture.CreatePosSize(TopRight, 1, 0, Width, Height));
vertexList.Add(PositionTexture.CreatePosSize(BottomLeft, 0, 1, Width, Height));
vertexList.Add(PositionTexture.CreatePosSize(BottomRight, 1, 1, Width, Height));
childTriangleList = new List <Triangle>();
if (dataset.BottomsUp)
{
childTriangleList.Add(Triangle.Create(0, 1, 2));
childTriangleList.Add(Triangle.Create(2, 1, 3));
}
else
{
childTriangleList.Add(Triangle.Create(0, 2, 1));
childTriangleList.Add(Triangle.Create(2, 3, 1));
}
int count = 3;
while (count-- > 1)
{
List <Triangle> newList = new List <Triangle>();
foreach (Triangle tri in childTriangleList)
{
tri.SubDivide(newList, vertexList);
}
childTriangleList = newList;
}
double miter = .6 / (Width / 256);
foreach (Triangle tri in childTriangleList)
{
PositionTexture p1 = vertexList[tri.A];
PositionTexture p2 = vertexList[tri.B];
PositionTexture p3 = vertexList[tri.C];
RenderTriangleLists[0].Add(RenderTriangle.CreateWithMiter(p1, p2, p3, texture, Level, miter));
}
}
else
{
//process vertex list
VertexBuffer = PrepDevice.createBuffer();
PrepDevice.bindBuffer(GL.ARRAY_BUFFER, VertexBuffer);
Float32Array f32array = new Float32Array(9 * 5);
float[] buffer = (float[])(object)f32array;
int index = 0;
index = AddVertex(buffer, index, PositionTexture.CreatePos(bottomCenter, .5, 1)); //0
index = AddVertex(buffer, index, PositionTexture.CreatePos(BottomLeft, 0, 1)); //1
index = AddVertex(buffer, index, PositionTexture.CreatePos(BottomRight, 1, 1)); //2
index = AddVertex(buffer, index, PositionTexture.CreatePos(center, .5, .5)); //3
index = AddVertex(buffer, index, PositionTexture.CreatePos(leftCenter, 0, .5)); //4
index = AddVertex(buffer, index, PositionTexture.CreatePos(rightCenter, 1, .5)); //5
index = AddVertex(buffer, index, PositionTexture.CreatePos(topCenter, .5, 0)); //6
index = AddVertex(buffer, index, PositionTexture.CreatePos(TopLeft, 0, 0)); //7
index = AddVertex(buffer, index, PositionTexture.CreatePos(TopRight, 1, 0)); //8
PrepDevice.bufferData(GL.ARRAY_BUFFER, f32array, GL.STATIC_DRAW);
// process index buffers
for (int i = 0; i < 4; i++)
{
index = 0;
TriangleCount = 2;
Uint16Array ui16array = new Uint16Array(TriangleCount * 3);
UInt16[] indexArray = (UInt16[])(object)ui16array;
switch (i)
{
case 0:
indexArray[index++] = 7;
indexArray[index++] = 4;
indexArray[index++] = 6;
indexArray[index++] = 4;
indexArray[index++] = 3;
indexArray[index++] = 6;
break;
case 1:
indexArray[index++] = 6;
indexArray[index++] = 5;
indexArray[index++] = 8;
indexArray[index++] = 6;
indexArray[index++] = 3;
indexArray[index++] = 5;
break;
case 2:
indexArray[index++] = 4;
indexArray[index++] = 0;
indexArray[index++] = 3;
indexArray[index++] = 4;
indexArray[index++] = 1;
indexArray[index++] = 0;
break;
case 3:
indexArray[index++] = 3;
indexArray[index++] = 2;
indexArray[index++] = 5;
indexArray[index++] = 3;
indexArray[index++] = 0;
indexArray[index++] = 2;
break;
}
IndexBuffers[i] = PrepDevice.createBuffer();
PrepDevice.bindBuffer(GL.ELEMENT_ARRAY_BUFFER, IndexBuffers[i]);
PrepDevice.bufferData(GL.ELEMENT_ARRAY_BUFFER, ui16array, GL.STATIC_DRAW);
}
}
return(true);
}
private void InitializeGrids()
{
vertexList = new List <PositionTexture>();
childTriangleList = new List <Triangle> [4];
childTriangleList[0] = new List <Triangle>();
childTriangleList[1] = new List <Triangle>();
childTriangleList[2] = new List <Triangle>();
childTriangleList[3] = new List <Triangle>();
bounds = new PositionTexture[9];
if (Level > 0)
{
// Set in constuctor now
//ToastTile parent = (ToastTile)TileCache.GetTile(level - 1, x / 2, y / 2, dataset, null);
if (Parent == null)
{
Parent = TileCache.GetTile(Level - 1, tileX / 2, tileY / 2, dataset, null);
}
ToastTile parent = (ToastTile)Parent;
int xIndex = tileX % 2;
int yIndex = tileY % 2;
if (Level > 1)
{
backslash = parent.backslash;
}
else
{
backslash = xIndex == 1 ^ yIndex == 1;
}
bounds[0 + 3 * 0] = parent.bounds[xIndex + 3 * yIndex].Copy();
bounds[1 + 3 * 0] = Midpoint(parent.bounds[xIndex + 3 * yIndex], parent.bounds[xIndex + 1 + 3 * yIndex]);
bounds[2 + 3 * 0] = parent.bounds[xIndex + 1 + 3 * yIndex].Copy();
bounds[0 + 3 * 1] = Midpoint(parent.bounds[xIndex + 3 * yIndex], parent.bounds[xIndex + 3 * (yIndex + 1)]);
if (backslash)
{
bounds[1 + 3 * 1] = Midpoint(parent.bounds[xIndex + 3 * yIndex], parent.bounds[xIndex + 1 + 3 * (yIndex + 1)]);
}
else
{
bounds[1 + 3 * 1] = Midpoint(parent.bounds[xIndex + 1 + 3 * yIndex], parent.bounds[xIndex + 3 * (yIndex + 1)]);
}
bounds[2 + 3 * 1] = Midpoint(parent.bounds[xIndex + 1 + 3 * yIndex], parent.bounds[xIndex + 1 + 3 * (yIndex + 1)]);
bounds[0 + 3 * 2] = parent.bounds[xIndex + 3 * (yIndex + 1)].Copy();
bounds[1 + 3 * 2] = Midpoint(parent.bounds[xIndex + 3 * (yIndex + 1)], parent.bounds[xIndex + 1 + 3 * (yIndex + 1)]);
bounds[2 + 3 * 2] = parent.bounds[xIndex + 1 + 3 * (yIndex + 1)].Copy();
bounds[0 + 3 * 0].Tu = 0 * uvMultiple;
bounds[0 + 3 * 0].Tv = 0 * uvMultiple;
bounds[1 + 3 * 0].Tu = .5f * uvMultiple;
bounds[1 + 3 * 0].Tv = 0 * uvMultiple;
bounds[2 + 3 * 0].Tu = 1 * uvMultiple;
bounds[2 + 3 * 0].Tv = 0 * uvMultiple;
bounds[0 + 3 * 1].Tu = 0 * uvMultiple;
bounds[0 + 3 * 1].Tv = .5f * uvMultiple;
bounds[1 + 3 * 1].Tu = .5f * uvMultiple;
bounds[1 + 3 * 1].Tv = .5f * uvMultiple;
bounds[2 + 3 * 1].Tu = 1 * uvMultiple;
bounds[2 + 3 * 1].Tv = .5f * uvMultiple;
bounds[0 + 3 * 2].Tu = 0 * uvMultiple;
bounds[0 + 3 * 2].Tv = 1 * uvMultiple;
bounds[1 + 3 * 2].Tu = .5f * uvMultiple;
bounds[1 + 3 * 2].Tv = 1 * uvMultiple;
bounds[2 + 3 * 2].Tu = 1 * uvMultiple;
bounds[2 + 3 * 2].Tv = 1 * uvMultiple;
vertexList.Add(bounds[0 + 3 * 0]);
vertexList.Add(bounds[1 + 3 * 0]);
vertexList.Add(bounds[2 + 3 * 0]);
vertexList.Add(bounds[0 + 3 * 1]);
vertexList.Add(bounds[1 + 3 * 1]);
vertexList.Add(bounds[2 + 3 * 1]);
vertexList.Add(bounds[0 + 3 * 2]);
vertexList.Add(bounds[1 + 3 * 2]);
vertexList.Add(bounds[2 + 3 * 2]);
if (backslash)
{
childTriangleList[0].Add(Triangle.Create(4, 1, 0));
childTriangleList[0].Add(Triangle.Create(3, 4, 0));
childTriangleList[1].Add(Triangle.Create(5, 2, 1));
childTriangleList[1].Add(Triangle.Create(4, 5, 1));
childTriangleList[2].Add(Triangle.Create(7, 4, 3));
childTriangleList[2].Add(Triangle.Create(6, 7, 3));
childTriangleList[3].Add(Triangle.Create(8, 5, 4));
childTriangleList[3].Add(Triangle.Create(7, 8, 4));
}
else
{
childTriangleList[0].Add(Triangle.Create(3, 1, 0));
childTriangleList[0].Add(Triangle.Create(4, 1, 3));
childTriangleList[1].Add(Triangle.Create(4, 2, 1));
childTriangleList[1].Add(Triangle.Create(5, 2, 4));
childTriangleList[2].Add(Triangle.Create(6, 4, 3));
childTriangleList[2].Add(Triangle.Create(7, 4, 6));
childTriangleList[3].Add(Triangle.Create(7, 5, 4));
childTriangleList[3].Add(Triangle.Create(8, 5, 7));
}
}
else
{
bounds[0 + 3 * 0] = PositionTexture.Create(0, -1, 0, 0, 0);
bounds[1 + 3 * 0] = PositionTexture.Create(0, 0, 1, .5f, 0);
bounds[2 + 3 * 0] = PositionTexture.Create(0, -1, 0, 1, 0);
bounds[0 + 3 * 1] = PositionTexture.Create(-1, 0, 0, 0, .5f);
bounds[1 + 3 * 1] = PositionTexture.Create(0, 1, 0, .5f, .5f);
bounds[2 + 3 * 1] = PositionTexture.Create(1, 0, 0, 1, .5f);
bounds[0 + 3 * 2] = PositionTexture.Create(0, -1, 0, 0, 1);
bounds[1 + 3 * 2] = PositionTexture.Create(0, 0, -1, .5f, 1);
bounds[2 + 3 * 2] = PositionTexture.Create(0, -1, 0, 1, 1);
vertexList.Add(bounds[0 + 3 * 0]);
vertexList.Add(bounds[1 + 3 * 0]);
vertexList.Add(bounds[2 + 3 * 0]);
vertexList.Add(bounds[0 + 3 * 1]);
vertexList.Add(bounds[1 + 3 * 1]);
vertexList.Add(bounds[2 + 3 * 1]);
vertexList.Add(bounds[0 + 3 * 2]);
vertexList.Add(bounds[1 + 3 * 2]);
vertexList.Add(bounds[2 + 3 * 2]);
childTriangleList[0].Add(Triangle.Create(3, 1, 0));
childTriangleList[0].Add(Triangle.Create(4, 1, 3));
childTriangleList[1].Add(Triangle.Create(5, 2, 1));
childTriangleList[1].Add(Triangle.Create(4, 5, 1));
childTriangleList[2].Add(Triangle.Create(7, 4, 3));
childTriangleList[2].Add(Triangle.Create(6, 7, 3));
childTriangleList[3].Add(Triangle.Create(7, 5, 4));
childTriangleList[3].Add(Triangle.Create(8, 5, 7));
// Setup default matrix of points.
}
}
