/// <summary>
/// Compute the transpose of this PerspectiveProjectionMatrix.
/// </summary>
/// <returns>
/// A <see cref="PerspectiveProjectionMatrix"/> which hold the transpose of this PerspectiveProjectionMatrix.
/// </returns>
public new PerspectiveProjectionMatrix Transpose()
{
PerspectiveProjectionMatrix transpose = new PerspectiveProjectionMatrix();
// Transpose matrix
for (uint c = 0; c < 4; c++)
{
for (uint r = 0; r < 4; r++)
{
transpose[r, c] = this[c, r];
}
}
return(transpose);
}
/// <summary>
/// PerspectiveProjectionMatrix copy constructor.
/// </summary>
/// <param name="m">
/// A <see cref="PerspectiveProjectionMatrix"/> to be copied.
/// </param>
public PerspectiveProjectionMatrix(PerspectiveProjectionMatrix m) : base(m)
{
}
/// <summary>
/// Compute the transpose of this PerspectiveProjectionMatrix.
/// </summary>
/// <returns>
/// A <see cref="PerspectiveProjectionMatrix"/> which hold the transpose of this PerspectiveProjectionMatrix.
/// </returns>
public new PerspectiveProjectionMatrix Transpose()
{
PerspectiveProjectionMatrix transpose = new PerspectiveProjectionMatrix();
// Transpose matrix
for (uint c = 0; c < 4; c++)
for (uint r = 0; r < 4; r++)
transpose[r, c] = this[c, r];
return (transpose);
}
private void SampleGraphicsControl_Render(object sender, GraphicsControlEventArgs e)
{
GraphicsContext ctx = e.Context;
GraphicsSurface framebuffer = e.Framebuffer;
if (_AnimationBegin == DateTime.MinValue)
_AnimationBegin = DateTime.UtcNow;
PerspectiveProjectionMatrix matrixProjection = new PerspectiveProjectionMatrix();
Matrix4x4 matrixView;
// Set projection
matrixProjection.SetPerspective(60.0f, (float)ClientSize.Width / (float)ClientSize.Height, 1.0f, 1000.0f);
// Set view
ModelMatrix matrixViewModel = new ModelMatrix();
matrixViewModel.RotateX(_ViewElevation);
matrixViewModel.RotateY(_ViewAzimuth);
matrixViewModel.Translate(0.0f, 0.0f, _ViewDistance);
matrixView = matrixViewModel.GetInverseMatrix();
_NewtonProgram.Bind(ctx);
_NewtonProgram.SetUniform(ctx, "hal_ModelViewProjection", matrixProjection * matrixView);
_NewtonProgram.SetUniform(ctx, "hal_FrameTimeInterval", (float)(DateTime.UtcNow - _AnimationBegin).TotalSeconds);
_NewtonVertexArray.Draw(ctx, _NewtonProgram);
SwapNewtonVertexArrays();
// Issue another rendering
SampleGraphicsControl.Invalidate();
}
/// <summary>
/// PerspectiveProjectionMatrix copy constructor.
/// </summary>
/// <param name="m">
/// A <see cref="PerspectiveProjectionMatrix"/> to be copied.
/// </param>
public PerspectiveProjectionMatrix(PerspectiveProjectionMatrix m)
: base(m)
{
}