private void CreateBBShape(Vector3 BBDimension, ref ByteColor color)
{
Vector3[] position;
ushort[] indices;
Generator.Box(BBDimension, Generator.PrimitiveType.LineList, out position, out indices);
VertexPosition3Color[] ptList = new VertexPosition3Color[position.Length];
for (int i = 0; i < ptList.Length; i++)
{
ptList[i].Position = position[i];
ptList[i].Color = color;
}
_vertexBuffer = new VertexBuffer <VertexPosition3Color>(_d3dEngine.Device, ptList.Length, PrimitiveTopology.LineList, "BoundingBox3D_vertexBuffer");
_vertexBuffer.SetData(_d3dEngine.ImmediateContext, ptList);
_indexBuffer = new IndexBuffer <ushort>(_d3dEngine.Device, indices.Length, "BoundingBox3D_indexBuffer");
_indexBuffer.SetData(_d3dEngine.ImmediateContext, indices);
}
//http://www.cgafaq.info/wiki/Random_Points_On_Sphere
private VertexPosition3Color[] GenerateSpherePoints(int n, float scale)
{
Random rnd = new Random();
VertexPosition3Color[] result = new VertexPosition3Color[n];
int size;
int i;
double x, y, z, w, t;
for (i = 0; i < n; i++)
{
z = 2.0 * rnd.NextDouble() - 1.0;
t = 2.0 * Math.PI * rnd.NextDouble();
w = Math.Sqrt(1 - z * z);
x = w * Math.Cos(t);
y = w * Math.Sin(t);
size = rnd.Next(0, 256);
result[i] = new VertexPosition3Color(new Vector3((float)x * scale, (float)y * scale, (float)z * scale), new ByteColor(size, 0, 0, 0));
}
return(result);
}
private void CreateBBShape(Vector3 BBDimension, ref ByteColor color)
{
VertexPosition3Color[] ptList = new VertexPosition3Color[24];
ptList[0] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, -BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[1] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, -BBDimension.Y, BBDimension.Z), Color = color
};
ptList[2] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, -BBDimension.Y, BBDimension.Z), Color = color
};
ptList[3] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, -BBDimension.Y, BBDimension.Z), Color = color
};
ptList[4] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, -BBDimension.Y, BBDimension.Z), Color = color
};
ptList[5] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, -BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[6] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, -BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[7] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, -BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[8] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[9] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, BBDimension.Y, BBDimension.Z), Color = color
};
ptList[10] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, BBDimension.Y, BBDimension.Z), Color = color
};
ptList[11] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, BBDimension.Y, BBDimension.Z), Color = color
};
ptList[12] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, BBDimension.Y, BBDimension.Z), Color = color
};
ptList[13] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[14] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[15] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[16] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, -BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[17] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[18] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, -BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[19] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, BBDimension.Y, -BBDimension.Z), Color = color
};
ptList[20] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, -BBDimension.Y, BBDimension.Z), Color = color
};
ptList[21] = new VertexPosition3Color()
{
Position = new Vector3(BBDimension.X, BBDimension.Y, BBDimension.Z), Color = color
};
ptList[22] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, -BBDimension.Y, BBDimension.Z), Color = color
};
ptList[23] = new VertexPosition3Color()
{
Position = new Vector3(-BBDimension.X, BBDimension.Y, BBDimension.Z), Color = color
};
_vertexBuffer = new VertexBuffer <VertexPosition3Color>(_d3dEngine.Device, 24, VertexPosition3Color.VertexDeclaration, PrimitiveTopology.LineList, "BoundingBox3D_vertexBuffer");
_vertexBuffer.SetData(_d3dEngine.ImmediateContext, ptList);
}