/// <summary>
/// Function to flush the cache by rendering its contents.
/// </summary>
public void Flush()
{
GorgonVertexBufferBinding binding = _renderer.Graphics.Input.VertexBuffers[0];
// Apply the current projection/view matrix.
if (_renderer.Camera.NeedsUpdate)
{
_renderer.Camera.Update();
}
// Only advance the cache when we've got something to copy into the buffer.
switch (binding.VertexBuffer.Settings.Usage)
{
case BufferUsage.Dynamic:
// If we're not at the beginning of the cache, then
// do a no overwrite lock. This will help performance.
var flags = BufferLockFlags.Write
| (_currentVertex > 0 ? BufferLockFlags.NoOverwrite : BufferLockFlags.Discard);
using (GorgonDataStream stream = binding.VertexBuffer.Lock(flags, _renderer.Graphics))
{
stream.Position = _currentVertex * Gorgon2DVertex.SizeInBytes;
stream.WriteRange(_vertices, _currentVertex, _verticesWritten);
binding.VertexBuffer.Unlock();
}
break;
default:
binding.VertexBuffer.Update(_vertices,
_currentVertex * Gorgon2DVertex.SizeInBytes,
_renderer.Graphics);
break;
}
// Draw the buffer data.
switch (_renderer.Graphics.Input.PrimitiveType)
{
case PrimitiveType.PointList:
case PrimitiveType.LineList:
_renderer.Graphics.Output.Draw(_currentVertex, _verticesWritten);
break;
case PrimitiveType.TriangleList:
if (_renderer.Graphics.Input.IndexBuffer == null)
{
_renderer.Graphics.Output.Draw(_currentVertex, _verticesWritten);
}
else
{
_renderer.Graphics.Output.DrawIndexed(_firstIndex, _vertexOffset, _indexCount);
}
break;
}
_currentVertex = _nextVertex;
_firstIndex += _indexCount;
_verticesWritten = 0;
_indexCount = 0;
NeedsFlush = false;
}
public void BouncyBalls3D()
{
Gorgon.Run(_form, () =>
{
_swap.Clear(Color.Black);
for (int i = 0; i < Count; i++)
{
_balls[i].Angle += _balls[i].AngleDelta * GorgonTiming.Delta;
if (_balls[i].Angle > 360.0f)
{
_balls[i].Angle = _balls[i].Angle - 360.0f;
_balls[i].AngleDelta = GorgonRandom.RandomSingle() * 90.0f;
}
if ((_balls[i].ScaleBouce) || (!_balls[i].ZBounce))
{
_balls[i].Color.W -= _balls[i].Velocity.Z * GorgonTiming.Delta;
}
else
{
_balls[i].Color.W += _balls[i].Velocity.Z * GorgonTiming.Delta;
}
if (_balls[i].Color.W > 1.0f)
{
_balls[i].Color.W = 1.0f;
}
if (_balls[i].Color.W < 0.0f)
{
_balls[i].Color.W = 0.0f;
_balls[i].Color = new Vector4((GorgonRandom.RandomSingle() * 0.961f) + 0.039f,
(GorgonRandom.RandomSingle() * 0.961f) + 0.039f,
(GorgonRandom.RandomSingle() * 0.961f) + 0.039f, 0.0f);
}
if (_balls[i].YBounce)
{
_balls[i].Position.Y -= (_balls[i].Velocity.Y * GorgonTiming.Delta);
}
else
{
_balls[i].Position.Y += (_balls[i].Velocity.Y * GorgonTiming.Delta);
}
if (_balls[i].XBounce)
{
_balls[i].Position.X -= (_balls[i].Velocity.X * GorgonTiming.Delta);
}
else
{
_balls[i].Position.X += (_balls[i].Velocity.X * GorgonTiming.Delta);
}
if (_balls[i].ZBounce)
{
_balls[i].Position.Z -= (_balls[i].Velocity.Z * GorgonTiming.Delta);
}
else
{
_balls[i].Position.Z += (_balls[i].Velocity.Z * GorgonTiming.Delta);
}
if (_balls[i].Position.X > (1.0f * _aspect))
{
_balls[i].Position.X = (1.0f * _aspect);
_balls[i].Velocity.X = (GorgonRandom.RandomSingle() * 0.5f);
_balls[i].XBounce = !_balls[i].XBounce;
}
if (_balls[i].Position.Y > (1.0f * _aspect))
{
_balls[i].Position.Y = (1.0f * _aspect);
_balls[i].Velocity.Y = (GorgonRandom.RandomSingle() * 0.5f);
_balls[i].YBounce = !_balls[i].YBounce;
}
if (_balls[i].Position.X < (-1.0f * _aspect))
{
_balls[i].Position.X = (-1.0f * _aspect);
_balls[i].Velocity.X = GorgonRandom.RandomSingle() * 0.5f;
_balls[i].XBounce = !_balls[i].XBounce;
}
if (_balls[i].Position.Y < (-1.0f * _aspect))
{
_balls[i].Position.Y = (-1.0f * _aspect);
_balls[i].Velocity.Y = GorgonRandom.RandomSingle() * 0.5f;
_balls[i].YBounce = !_balls[i].YBounce;
}
if (_balls[i].Position.Z < -1.0f)
{
_balls[i].Position.Z = -1.0f;
_balls[i].Velocity.Z = GorgonRandom.RandomSingle() * 0.5f;
_balls[i].ZBounce = !_balls[i].ZBounce;
}
if (!(_balls[i].Position.Z > 1.0f))
{
continue;
}
_balls[i].Position.Z = 1.0f;
_balls[i].Velocity.Z = GorgonRandom.RandomSingle() * 0.5f;
_balls[i].ZBounce = !_balls[i].ZBounce;
}
var sortPos = _balls.OrderByDescending(item => item.Position.Z).ToArray();
for (int i = 0; i < Count * 4; i += 4)
{
int arrayindex = i / 4;
Matrix world;
if (_3d)
{
Quaternion rot = Quaternion.RotationYawPitchRoll(sortPos[arrayindex].Angle.Cos(), -sortPos[arrayindex].Angle.Sin() * 2.0f, -sortPos[arrayindex].Angle);
Matrix.RotationQuaternion(ref rot, out world);
}
else
{
world = Matrix.RotationZ(-sortPos[arrayindex].Angle);
}
world = world * (Matrix.Scaling(sortPos[arrayindex].Scale, sortPos[arrayindex].Scale, 1.0f)) *
Matrix.Translation(sortPos[arrayindex].Position.X, sortPos[arrayindex].Position.Y,
sortPos[arrayindex].Position.Z);
Matrix trans;
Matrix.Multiply(ref world, ref pvw, out trans);
_sprite[i].Color = new GorgonColor(sortPos[arrayindex].Color);
_sprite[i + 1].Color = _sprite[i].Color;
_sprite[i + 2].Color = _sprite[i].Color;
_sprite[i + 3].Color = _sprite[i].Color;
_sprite[i].Position = Vector3.Transform(new Vector3(-0.1401f, 0.1401f, 0.0f), trans);
_sprite[i + 1].Position = Vector3.Transform(new Vector3(0.1401f, 0.1401f, 0.0f), trans);
_sprite[i + 2].Position = Vector3.Transform(new Vector3(-0.1401f, -0.1401f, 0.0f), trans);
_sprite[i + 3].Position = Vector3.Transform(new Vector3(0.1401f, -0.1401f, 0.0f), trans);
if (sortPos[arrayindex].Checkered)
{
_sprite[i].UV = new Vector2(0.503f, 0.0f);
_sprite[i + 1].UV = new Vector2(1.0f, 0.0f);
_sprite[i + 2].UV = new Vector2(0.503f, 0.5f);
_sprite[i + 3].UV = new Vector2(1.0f, 0.5f);
}
else
{
_sprite[i].UV = new Vector2(0.0f, 0.503f);
_sprite[i + 1].UV = new Vector2(0.5f, 0.503f);
_sprite[i + 2].UV = new Vector2(0.0f, 1.0f);
_sprite[i + 3].UV = new Vector2(0.5f, 1.0f);
}
}
using (GorgonDataStream vstream = _vertices.Lock(BufferLockFlags.Write | BufferLockFlags.Discard))
{
vstream.WriteRange(_sprite);
_vertices.Unlock();
}
_graphics.Output.DrawIndexed(0, 0, 6 * Count);
_swap.Flip();
_form.Text = string.Format("FPS: {0:0.0} DT: {1:0.000}ms", GorgonTiming.FPS, GorgonTiming.Delta * 1000);
return(true);
});
Assert.IsTrue(_form.TestResult == DialogResult.Yes);
}