public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBuffer == null)
{
using (var buffer = new PropertyBuffer <float>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.DynamicDraw))
{
buffer.Alloc(positions.Length);
unsafe
{
var array = (float *)buffer.Header.ToPointer();
for (int i = 0; i < positions.Length; i++)
{
array[i] = positions[i];
}
}
positionBuffer = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBuffer);
}
else
{
return(null);
}
}
private PropertyBufferPtr GetPositionBufferPtr(string varNameInShader)
{
PropertyBufferPtr ptr = null;
using (var buffer = new PropertyBuffer<HexahedronPosition>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
int dimSize = this.DataSource.DimenSize;
buffer.Alloc(dimSize);
unsafe
{
var array = (HexahedronPosition*)buffer.Header.ToPointer();
int I, J, K;
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
this.DataSource.InvertIJK(gridIndex, out I, out J, out K);
array[gridIndex].FLT = this.DataSource.TranslateMatrix + this.DataSource.PointFLT(I, J, K);
array[gridIndex].FRT = this.DataSource.TranslateMatrix + this.DataSource.PointFRT(I, J, K);
array[gridIndex].BRT = this.DataSource.TranslateMatrix + this.DataSource.PointBRT(I, J, K);
array[gridIndex].BLT = this.DataSource.TranslateMatrix + this.DataSource.PointBLT(I, J, K);
array[gridIndex].FLB = this.DataSource.TranslateMatrix + this.DataSource.PointFLB(I, J, K);
array[gridIndex].FRB = this.DataSource.TranslateMatrix + this.DataSource.PointFRB(I, J, K);
array[gridIndex].BRB = this.DataSource.TranslateMatrix + this.DataSource.PointBRB(I, J, K);
array[gridIndex].BLB = this.DataSource.TranslateMatrix + this.DataSource.PointBLB(I, J, K);
}
}
ptr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
return ptr;
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(
varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(vertsData.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < vertsData.Length; i++)
{
array[i] = vertsData[i];
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else
{
throw new ArgumentException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == position)
{
if (!propertyBufferPtrDict.ContainsKey(bufferName))
{
using (var buffer = new PropertyBuffer<vec3>(
varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(BigDipperModel.positions.Length);
unsafe
{
var array = (vec3*)buffer.Header.ToPointer();
for (int i = 0; i < BigDipperModel.positions.Length; i++)
{
array[i] = BigDipperModel.positions[i];
}
}
propertyBufferPtrDict.Add(bufferName, buffer.GetBufferPtr() as PropertyBufferPtr);
}
}
return propertyBufferPtrDict[bufferName];
}
else if (bufferName == color)
{
if (!propertyBufferPtrDict.ContainsKey(bufferName))
{
using (var buffer = new PropertyBuffer<vec3>(
varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(BigDipperModel.colors.Length);
unsafe
{
var array = (vec3*)buffer.Header.ToPointer();
for (int i = 0; i < BigDipperModel.colors.Length; i++)
{
array[i] = BigDipperModel.colors[i];
}
}
propertyBufferPtrDict.Add(bufferName, buffer.GetBufferPtr() as PropertyBufferPtr);
}
}
return propertyBufferPtrDict[bufferName];
}
else
{
throw new NotImplementedException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strposition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(4);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
array[0] = new vec3(-1.0f, -1.0f, 0.5f);
array[1] = new vec3(1.0f, -1.0f, 0.5f);
array[2] = new vec3(1.0f, 1.0f, 0.5f);
array[3] = new vec3(-1.0f, 1.0f, 0.5f);
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == struv)
{
if (uvBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec2>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(4);
unsafe
{
var array = (vec2 *)buffer.Header.ToPointer();
array[0] = new vec2(1, 1);
array[1] = new vec2(0, 1);
array[2] = new vec2(0, 0);
array[3] = new vec2(1, 0);
}
uvBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(uvBufferPtr);
}
else
{
throw new NotImplementedException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(
varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(particleCount);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < particleCount; i++)
{
//if (i % 2 == 0)
{
array[i] = new vec3(
(float)((random.NextDouble() * 2 - 1) * backgroundRadius),
(float)((random.NextDouble() * 2 - 1) * backgroundRadius),
(float)((random.NextDouble() * 2 - 1) * backgroundRadius));
}
//else
//{
// double theta = random.NextDouble() * 2 * Math.PI - Math.PI;
// double alpha = random.NextDouble() * 2 * Math.PI - Math.PI;
// array[i] = new vec3(
// (float)(Math.Sin(theta) * Math.Cos(alpha)) * backgroundRadius,
// (float)(Math.Sin(theta) * Math.Sin(alpha)) * backgroundRadius,
// (float)(Math.Cos(theta)) * backgroundRadius);
//}
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else
{
throw new ArgumentException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec4>(
varNameInShader, 4, OpenGL.GL_FLOAT, BufferUsage.DynamicCopy))
{
buffer.Alloc(particleCount);
unsafe
{
var array = (vec4 *)buffer.Header.ToPointer();
for (int i = 0; i < particleCount; i++)
{
array[i] = new vec4(
(float)(
(random.NextDouble() - 0.5) * 2
* ((random.NextDouble() * (maxRadius - minRadius) + minRadius))
),
(float)(
(random.NextDouble() - 0.5) * 2
* ((random.NextDouble() * (maxRadius - minRadius) + minRadius))
),
(float)(
(random.NextDouble() - 0.5) * 2
* ((random.NextDouble() * (maxRadius - minRadius) + minRadius))
),
(float)(random.NextDouble())
);
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else
{
throw new ArgumentException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == position)
{
using (var buffer = new PropertyBuffer <vec3>(
varNameInShader, 3, GL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.Positions.Length);
unsafe
{
var array = (vec3 *)buffer.FirstElement();
for (int i = 0; i < model.Positions.Length; i++)
{
array[i] = model.Positions[i];
}
}
return(buffer.GetBufferPtr() as PropertyBufferPtr);
}
}
else if (bufferName == color)
{
using (var buffer = new PropertyBuffer <vec3>(
varNameInShader, 3, GL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.Colors.Length);
unsafe
{
var array = (vec3 *)buffer.FirstElement();
for (int i = 0; i < model.Colors.Length; i++)
{
array[i] = model.Colors[i];
}
}
return(buffer.GetBufferPtr() as PropertyBufferPtr);
}
}
else
{
throw new NotImplementedException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer<vec3>(
varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(particleCount);
unsafe
{
var array = (vec3*)buffer.Header.ToPointer();
for (int i = 0; i < particleCount; i++)
{
double beta = random.NextDouble() * Math.PI;
double theta = random.NextDouble() * Math.PI * 2;
float x = (float)(a * Math.Sin(beta) * Math.Cos(theta));
float y = (float)(b * Math.Sin(beta) * Math.Sin(theta));
float z = (float)(c * Math.Cos(beta));
array[i] = new vec3(x, y, z);
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return positionBufferPtr;
}
else
{
throw new ArgumentException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (this.positionBufferPtr == null)
{
const float lower = -0.3f;
var positions = new vec2[codedColors.Length * 2 + 4];
for (int i = 0; i < codedColors.Length; i++)
{
positions[i * 2 + 0] = new vec2(codedColors[i].Coord*2, lower);
positions[i * 2 + 1] = new vec2(codedColors[i].Coord * 2, 1);
}
int index = codedColors.Length * 2 + 0;
positions[index++] = new vec2(codedColors[0].Coord * 2, 0);
positions[index++] = new vec2(codedColors[codedColors.Length - 1].Coord * 2, 0);
positions[index++] = new vec2(codedColors[0].Coord * 2, 1);
positions[index++] = new vec2(codedColors[codedColors.Length - 1].Coord * 2, 1);
// Move2Cente
float min = positions[0].x, max = positions[0].x;
for (int i = 1; i < positions.Length; i++)
{
vec2 value = positions[i];
if (value.x < min) { min = value.x; }
if (max < value.x) { max = value.x; }
}
float mid = max / 2 + min / 2;
for (int i = 0; i < positions.Length; i++)
{
positions[i].x = positions[i].x - mid;
}
using (var buffer = new PropertyBuffer<vec2>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(positions.Length);
unsafe
{
var array = (vec2*)buffer.Header.ToPointer();
for (int i = 0; i < positions.Length; i++)
{ array[i] = positions[i]; }
}
this.positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return this.positionBufferPtr;
}
else
{
throw new NotImplementedException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer<vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.positions.Length);
unsafe
{
var array = (vec3*)buffer.Header.ToPointer();
for (int i = 0; i < model.positions.Length; i++)
{
array[i] = model.positions[i];
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return positionBufferPtr;
}
else if (bufferName == strNormal)
{
if (normalBufferPtr == null)
{
using (var buffer = new PropertyBuffer<vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.normals.Length);
unsafe
{
var array = (vec3*)buffer.Header.ToPointer();
for (int i = 0; i < model.normals.Length; i++)
{
array[i] = model.normals[i];
}
}
normalBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return normalBufferPtr;
}
else if (bufferName == strColor)
{
if (colorBufferPtr == null)
{
using (var buffer = new PropertyBuffer<vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.colors.Length);
unsafe
{
var array = (vec3*)buffer.Header.ToPointer();
for (int i = 0; i < model.colors.Length; i++)
{
array[i] = model.colors[i];
}
}
colorBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return colorBufferPtr;
}
else if (bufferName == strUV)
{
if (uvBufferPtr == null)
{
using (var buffer = new PropertyBuffer<vec2>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.uv.Length);
unsafe
{
var array = (vec2*)buffer.Header.ToPointer();
for (int i = 0; i < model.uv.Length; i++)
{
array[i] = model.uv[i];
}
}
uvBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return uvBufferPtr;
}
else
{
return null;
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.positions.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < model.positions.Length; i++)
{
array[i] = model.positions[i];
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == strUV)
{
if (uvBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec2>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.uv.Length);
unsafe
{
var array = (vec2 *)buffer.Header.ToPointer();
for (int i = 0; i < model.uv.Length; i++)
{
array[i] = model.uv[i];
}
}
uvBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(uvBufferPtr);
}
else if (bufferName == strNormal)
{
if (normalBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(model.normals.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < model.normals.Length; i++)
{
array[i] = model.normals[i];
}
}
normalBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(normalBufferPtr);
}
else
{
throw new ArgumentException();
}
}
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strposition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer<vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(4);
unsafe
{
var array = (vec3*)buffer.Header.ToPointer();
array[0] = new vec3(-1.0f, -1.0f, 0.5f);
array[1] = new vec3(1.0f, -1.0f, 0.5f);
array[2] = new vec3(1.0f, 1.0f, 0.5f);
array[3] = new vec3(-1.0f, 1.0f, 0.5f);
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return positionBufferPtr;
}
else if (bufferName == struv)
{
if (uvBufferPtr == null)
{
using (var buffer = new PropertyBuffer<vec2>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Alloc(4);
unsafe
{
var array = (vec2*)buffer.Header.ToPointer();
array[0] = new vec2(1, 1);
array[1] = new vec2(0, 1);
array[2] = new vec2(0, 0);
array[3] = new vec2(1, 0);
}
uvBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return uvBufferPtr;
}
else
{ throw new NotImplementedException(); }
}