/// <summary>
/// Function to handle idle time for the application.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// Rotate our pyramid.
_angle += 45.0f * GorgonTiming.Delta;
if (_angle > 360.0f)
{
_angle -= 360.0f;
}
// This will allow us to animate the center point of our pyramid.
_heightOffset = _angle.ToRadians().FastSin().Abs();
// Send the animated variables to their respective shaders.
UpdatedWorldProjection();
// Clear our render target.
_swap.RenderTargetView.Clear(Color.CornflowerBlue);
_depthStencil.ClearDepth(1.0f);
_graphics.Submit(_drawCall);
GorgonExample.BlitLogo(_graphics);
// Send the contents of the swap chain buffers to the screen.
_swap.Present(1);
return(true);
}
/// <summary>
/// Function to render the image into the preview area.
/// </summary>
private void RenderImage()
{
if ((IsDesignTime) || (_swapChain == null))
{
return;
}
GorgonTexture2DView image = _previewTexture ?? _defaultTexture;
_swapChain.RenderTargetView.Clear(BackColor);
GraphicsContext.Graphics.SetRenderTarget(_swapChain.RenderTargetView);
_renderer.Begin();
var halfClient = new DX.Vector2(ClientSize.Width / 2.0f, ClientSize.Height / 2.0f);
float scale = ((float)ClientSize.Width / image.Width).Min((float)ClientSize.Height / image.Height);
float width = image.Width * scale;
float height = image.Height * scale;
float x = halfClient.X - (width / 2.0f);
float y = halfClient.Y - (height / 2.0f);
_renderer.DrawFilledRectangle(new DX.RectangleF(x, y, width, height), GorgonColor.White, image, new DX.RectangleF(0, 0, 1, 1));
_titleText.LayoutArea = new DX.Size2F(_swapChain.Width, _titleText.Size.Height * 1.5f);
_titleText.Position = new DX.Vector2(0, _swapChain.Height - (_titleText.Size.Height * 1.5f).Min(_swapChain.Height * 0.25f));// _swapChain.Height - _titleText.Size.Height);
_renderer.DrawFilledRectangle(new DX.RectangleF(0, _titleText.Position.Y, _swapChain.Width, _titleText.LayoutArea.Value.Height), new GorgonColor(0, 0, 0, 0.5f));
_renderer.DrawTextSprite(_titleText);
_renderer.End();
_swapChain.Present(1);
}
/// <summary>
/// Function called during idle time.
/// </summary>
/// <returns><b>true</b> to continue execution, <b>false</b> to stop.</returns>
private bool Idle()
{
_swap.RenderTargetView.Clear(GorgonColor.White);
var windowSize = new DX.Size2F(ClientSize.Width, ClientSize.Height);
var imageSize = new DX.Size2F(_texture.Width, _texture.Height);
// Calculate the scale between the images.
var scale = new DX.Size2F(windowSize.Width / imageSize.Width, windowSize.Height / imageSize.Height);
// Only scale on a single axis if we don't have a 1:1 aspect ratio.
if (scale.Height > scale.Width)
{
scale.Height = scale.Width;
}
else
{
scale.Width = scale.Height;
}
// Scale the image.
var size = new DX.Size2((int)(scale.Width * imageSize.Width), (int)(scale.Height * imageSize.Height));
// Find the position.
var bounds = new DX.Rectangle((int)((windowSize.Width / 2) - (size.Width / 2)), (int)((windowSize.Height / 2) - (size.Height / 2)), size.Width, size.Height);
_graphics.DrawTexture(_texture, bounds);
GorgonExample.BlitLogo(_graphics);
_swap.Present(1);
return(true);
}
/// <summary>
/// Function called when the application goes into an idle state.
/// </summary>
/// <returns><b>true</b> to continue executing, <b>false</b> to stop.</returns>
private static bool Idle()
{
_tileSize = new DX.Size2((int)(_screen.Width / _snowTile.ScaledSize.Width), (int)(_screen.Height / _snowTile.ScaledSize.Height));
_screen.RenderTargetView.Clear(GorgonColor.White);
_depthBuffer.Clear(1.0f, 0);
// We have to pass in a state that allows depth writing and testing. Otherwise the depth buffer won't be used.
_renderer.Begin(Gorgon2DBatchState.DepthEnabled);
DrawBackground();
// Note that the order that we draw here is not important since the depth buffer will sort on our behalf.
// As mentioned in the description for the example, alpha blending doesn't work all that well with this
// trick. You'll notice this when the guy walks behind the icicle as the icicle completely obscures the
// guy even though the icicle has alpha translucency.
DrawIcicle();
DrawGuy();
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
_controller.Update();
AnimationTransition();
_screen.Present(1);
return(true);
}
/// <summary>
/// Function called when the application goes into an idle state.
/// </summary>
/// <returns><b>true</b> to continue executing, <b>false</b> to stop.</returns>
private static bool Idle()
{
if (_lightBrightDir)
{
_lightValue += 1.0f * GorgonTiming.Delta;
}
else
{
_lightValue -= 1.0f * GorgonTiming.Delta;
}
if (_torchFrameTime.Milliseconds > 250)
{
_torchSprite.TextureRegion =
_torchTexture.Texture.ToTexel(new DX.Rectangle(_torchSprite.TextureRegion.Left == 0 ? 56 : 0, 0, 55, _torchTexture.Height));
_torchFrameTime.Reset();
_lightValue = _torchSprite.TextureRegion.Left == 0 ? _lightMinMax.Maximum : _lightMinMax.Minimum;
}
if (_lightValue < _lightMinMax.Minimum)
{
_lightValue = _lightMinMax.Minimum;
_lightBrightDir = !_lightBrightDir;
}
if (_lightValue > _lightMinMax.Maximum)
{
_lightValue = _lightMinMax.Maximum;
_lightBrightDir = !_lightBrightDir;
}
_lightEffect.Lights[0].Color = new GorgonColor((_lightValue * 253.0f) / 255.0f, (_lightValue * 248.0f) / 255.0f, (_lightValue * 230.0f) / 255.0f);
_lightEffect.Lights[0].SpecularPower = (1.0f - (_lightValue / 1.2f)) * 15;
_finalTarget.Clear(GorgonColor.BlackTransparent);
_screen.RenderTargetView.Clear(GorgonColor.Black);
// Render the lit sprite.
_lightEffect.Render(DrawLitScene, _finalTarget);
// Blit our final texture to the main screen.
_graphics.SetRenderTarget(_screen.RenderTargetView);
_renderer.Begin();
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _screen.Width, _screen.Height),
GorgonColor.White,
_finalTexture,
new DX.RectangleF(0, 0, 1, 1));
_renderer.DrawSprite(_torchSprite);
_renderer.DrawString($"Specular Power: {_lightEffect.Lights[0].SpecularPower:0.0#####}\nLight [c #{GorgonColor.CornFlowerBlue.ToHex()}]Z[/c]: {_lightEffect.Lights[0].Position.Z:0.0}",
new DX.Vector2(0, 64));
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
_screen.Present(1);
return(true);
}
/// <summary>
/// Function to render the data to the panel assigned in the <see cref="SetPanel"/> method.
/// </summary>
/// <param name="texture">The texture to render.</param>
/// <param name="outputTexture">The output texture to render.</param>
public void Render(GorgonTexture2DView texture, GorgonTexture2DView outputTexture)
{
if (_swapChain == null)
{
return;
}
if (_graphics.RenderTargets[0] != _swapChain.RenderTargetView)
{
_graphics.SetRenderTarget(_swapChain.RenderTargetView);
}
_swapChain.RenderTargetView.Clear(Color.CornflowerBlue);
if ((texture == null) ||
(outputTexture == null))
{
_swapChain.Present(1);
return;
}
// Get aspect ratio.
var scale = new DX.Size2F((_swapChain.Width * 0.5f) / texture.Width, (float)_swapChain.Height / texture.Height);
// Only scale on a single axis if we don't have a 1:1 aspect ratio.
if (scale.Height > scale.Width)
{
scale.Height = scale.Width;
}
else
{
scale.Width = scale.Height;
}
// Scale the image.
var size = new DX.Size2((int)(scale.Width * texture.Width), (int)(scale.Height * texture.Height));
// Find the position.
var bounds = new DX.Rectangle((_swapChain.Width / 4) - (size.Width / 2), ((_swapChain.Height / 2) - (size.Height / 2)), size.Width, size.Height);
_graphics.DrawTexture(texture, bounds, blendState: GorgonBlendState.Default, samplerState: GorgonSamplerState.PointFiltering);
bounds = new DX.Rectangle((_swapChain.Width - (_swapChain.Width / 4)) - (size.Width / 2), ((_swapChain.Height / 2) - (size.Height / 2)), size.Width, size.Height);
_graphics.DrawTexture(outputTexture, bounds, blendState: GorgonBlendState.Default, samplerState: GorgonSamplerState.PointFiltering);
_swapChain.Present(1);
}
/// <summary>
/// Function for the main idle loop.
/// </summary>
/// <remarks>This is used as the main loop for the application. All drawing and logic can go in here.</remarks>
/// <returns><b>true</b> to keep running, <b>false</b> to exit.</returns>
private static bool Idle()
{
if (!_paused)
{
// Update the simulation at our desired frame rate.
if (GorgonTiming.Delta < MinSimulationFPS)
{
_accumulator += GorgonTiming.Delta;
}
else
{
_accumulator += MinSimulationFPS;
}
while (_accumulator >= MaxSimulationFPS)
{
Transform(MaxSimulationFPS);
_accumulator -= MaxSimulationFPS;
}
}
// Begin our rendering.
_2D.Begin();
DrawBackground();
_2D.End();
if (_blur.BlurRadius == 0)
{
_2D.Begin();
DrawNoBlur();
_2D.End();
}
else
{
DrawBlurred();
}
_2D.Begin();
if (_showHelp)
{
_2D.DrawTextSprite(_helpTextSprite);
}
DrawOverlay();
_2D.End();
GorgonExample.DrawStatsAndLogo(_2D);
_mainScreen.Present();
_graphics.ResetDrawCallStatistics();
return(true);
}
/// <summary>
/// Function to present the rendering to the main window.
/// </summary>
private static void Present()
{
if (_graphics.RenderTargets[0] != _screen.RenderTargetView)
{
_graphics.SetRenderTarget(_screen.RenderTargetView);
}
GorgonExample.DrawStatsAndLogo(_renderer);
_screen.Present(1);
}
/// <summary>
/// Function to handle idle time for the application.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// Animate the ball.
UpdateBall();
// Clear to our gray color and clear out the depth buffer.
_swap.RenderTargetView.Clear(Color.FromArgb(173, 173, 173));
//_depthBuffer.Clear(0.0f, 0);
_depthBuffer.Clear(0.0f, 0);
// Render the back and floor planes.
// ReSharper disable once ForCanBeConvertedToForeach
for (int i = 0; i < _planes.Length; ++i)
{
RenderModel(_planes[i]);
}
// Render the ball.
_sphere.Material.Diffuse = GorgonColor.White;
RenderModel(_sphere);
// Remember the position and rotation so we can restore them later.
DX.Vector3 spherePosition = _sphere.Position;
DX.Vector3 sphereRotation = _sphere.Rotation;
// Offset the position of the ball so we can fake a shadow under the ball.
_sphere.Position = new DX.Vector3(spherePosition.X + 0.25f, spherePosition.Y - 0.125f, spherePosition.Z + 0.5f);
// Scale on the z-axis so the ball "shadow" has no real depth, and on the x & y to make it look slightly bigger.
_sphere.Scale = new DX.Vector3(1.155f, 1.155f, 0.001f);
// Reset the rotation so we don't rotate our flattened ball "shadow" (it'd look real weird if it rotated).
_sphere.Rotation = DX.Vector3.Zero;
// Render as black with alpha of 0.5 to simulate a shadow.
_sphere.Material.Diffuse = new GorgonColor(0, 0, 0, 0.5f);
// Render the shadow.
RenderModel(_sphere);
// Restore our original positioning so we can render the ball in the correct place on the next frame.
_sphere.Position = spherePosition;
// Reset scale on the z-axis so the ball so it'll be normal for the next frame.
_sphere.Scale = DX.Vector3.One;
// Reset the rotation so it'll be in the correct place on the next frame.
_sphere.Rotation = sphereRotation;
// Draw our text.
// Use this to show how incredibly slow and terrible my 3D code is.
GorgonExample.DrawStatsAndLogo(_2D);
// Now we flip our buffers.
// We need to this or we won't see anything.
_swap.Present(1);
return(true);
}
/// <summary>
/// Main application loop.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
ProcessKeys();
_swapChain.RenderTargetView.Clear(Color.CornflowerBlue);
_depthBuffer.Clear(1.0f, 0);
_cloudRotation += 2.0f * GorgonTiming.Delta;
_objRotation += 50.0f * GorgonTiming.Delta;
if (_cloudRotation > 359.9f)
{
_cloudRotation -= 359.9f;
}
if (_objRotation > 359.9f)
{
_objRotation -= 359.9f;
}
_triangle.Material.TextureOffset = new DX.Vector2(0, _triangle.Material.TextureOffset.Y - (0.125f * GorgonTiming.Delta));
if (_triangle.Material.TextureOffset.Y < 0.0f)
{
_triangle.Material.TextureOffset = new DX.Vector2(0, 1.0f + _triangle.Material.TextureOffset.Y);
}
_plane.Material.TextureOffset = _triangle.Material.TextureOffset;
_icoSphere.Rotation = new DX.Vector3(0, _icoSphere.Rotation.Y + (4.0f * GorgonTiming.Delta), 0);
_cube.Rotation = new DX.Vector3(_objRotation, _objRotation, _objRotation);
_sphere.Position = new DX.Vector3(-2.0f, (_objRotation.ToRadians().Sin().Abs() * 2.0f) - 1.10f, 0.75f);
_sphere.Rotation = new DX.Vector3(_objRotation, _objRotation, 0);
_clouds.Rotation = new DX.Vector3(0, _cloudRotation, 0);
_renderer.Render();
_2DRenderer.Begin();
_textSprite.Text = $@"FPS: {GorgonTiming.FPS:0.0}, Delta: {(GorgonTiming.Delta * 1000):0.000} msec. " +
$@"Tris: {
((_triangle.TriangleCount) + (_plane.TriangleCount) + (_cube.TriangleCount) + (_sphere.TriangleCount) + (_icoSphere.TriangleCount) +
(_clouds.TriangleCount))
:0} " +
$@"CamRot: {_cameraRotation} Mouse: {_mouse?.Position.X:0}x{_mouse?.Position.Y:0} Sensitivity: {_sensitivity:0.0##}";
_2DRenderer.DrawTextSprite(_textSprite);
_2DRenderer.End();
GorgonExample.DrawStatsAndLogo(_2DRenderer);
_swapChain.Present();
return(true);
}
/// <summary>
/// Function to do perform processing for the application during idle time.
/// </summary>
/// <returns><b>true</b> to continue execution, <b>false</b> to stop.</returns>
private static bool Idle()
{
GorgonSprite shadowSprite = _fgSprite == _sprite2 ? _shadowSprites[1] : _shadowSprites[0];
// Draw our background that includes our background texture, and the sprite that's currently in the background (along with its shadow).
// Blurring may or may not be applied depending on whether the user has applied it with the mouse wheel.
DrawBlurredBackground();
// Reset scales for our sprites. Foreground sprites will be larger than our background ones.
shadowSprite.Scale = _fgSprite.Scale = DX.Vector2.One;
// Ensure we're on the "screen" when we render.
_graphics.SetRenderTarget(_screen.RenderTargetView);
_renderer.Begin();
// Draw our blurred (or not) background.
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _screen.Width, _screen.Height),
GorgonColor.White,
_blurTexture,
new DX.RectangleF(0, 0, 1, 1));
// Draw an ellipse to indicate our light source.
var lightPosition = new DX.RectangleF((_screen.Width / 2.0f) - 10, (_screen.Height / 2.0f) - 10, 20, 20);
_renderer.DrawFilledEllipse(lightPosition, GorgonColor.White, 0.5f);
// Draw the sprite and its corresponding shadow.
// We'll adjust the shadow position to be altered by our distance from the light source, and the quadrant of the screen that we're in.
shadowSprite.Position = _fgSprite.Position + (new DX.Vector2(_fgSprite.Position.X - (_screen.Width / 2.0f), _fgSprite.Position.Y - (_screen.Height / 2.0f)) * 0.125f);
_renderer.DrawSprite(shadowSprite);
_renderer.DrawSprite(_fgSprite);
if (_showHelp)
{
_renderer.DrawString(HelpText, new DX.Vector2(2, 2), _helpFont, GorgonColor.White);
}
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
_screen.Present(1);
return(true);
}
/// <summary>
/// Function to handle idle time for the application.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// This will clear the swap chain to the specified color.
_swap.RenderTargetView.Clear(Color.CornflowerBlue);
// Draw our triangle.
_graphics.Submit(_drawCall);
GorgonExample.BlitLogo(_graphics);
// Now we flip our buffers on the swap chain.
// We need to this or we won't see anything at all except the standard window background color. Clearly, we don't want that.
// This method will take the current frame back buffer and flip it to the front buffer (the window). If we had more than one swap chain tied to multiple
// windows, then we'd need to do this for every swap chain.
_swap.Present(1);
return(true);
}
/// <summary>
/// Function called during CPU idle time.
/// </summary>
/// <returns><b>true</b> to continue, <b>false</b> to stop.</returns>
private static bool Idle()
{
_shipDeux.UserInput(_keyboard.KeyStates);
_shipDeux.Update();
_ship.UserInput(_keyboard.KeyStates);
_ship.Update();
_sceneRenderer.Render();
// Render the final image back to our swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView);
_renderer.Begin(Gorgon2DBatchState.NoBlend);
// Copy our final rendering into the swap chain target.
// Because we use a fixed render target size for our rendering, we'll need to stretch the view to accomodate the swap chain area.
// We also need to ensure our aspect ratio stays correct. Because of this, you may see black bars on the top/bottom or left/right of the swap chain image.
float newWidth = _screen.Width;
float newHeight = (newWidth / _mainRtvAspect.X);
if (newHeight > _screen.Height)
{
newHeight = _screen.Height;
newWidth = (newHeight * _mainRtvAspect.X);
}
var destRegion = new DX.RectangleF(_screen.Width * 0.5f - newWidth * 0.5f, _screen.Height * 0.5f - newHeight * 0.5f, newWidth, newHeight);
_screen.RenderTargetView.Clear(GorgonColor.Black);
_renderer.DrawFilledRectangle(destRegion,
GorgonColor.White,
_mainSrv,
new DX.RectangleF(0, 0, 1, 1),
textureSampler: GorgonSamplerState.Default);
_renderer.End();
RenderGui(destRegion);
_screen.Present(1);
return(true);
}
/// <summary>
/// Function to perform operations while the CPU is idle.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// Set the initial background color, we won't be clearing again...
_screen.RenderTargetView.Clear(GorgonColor.CornFlowerBlue);
if (!_mp3Player.IsPlaying)
{
PlayAudio();
}
if (_animController.CurrentAnimation == null)
{
_animController.Play(_animatedSprite, _animation);
}
_graphics.SetRenderTarget(_target);
_renderer.Begin(_targetBatchState);
_renderer.DrawSprite(_animatedSprite);
_renderer.End();
_graphics.SetRenderTarget(_screen.RenderTargetView);
_renderer.Begin();
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _screen.Width, _screen.Height),
GorgonColor.White,
_targetView,
new DX.RectangleF(0, 0, 1, 1));
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
// We need to call this once per frame so the animation will transition properly.
_animController.Update();
_screen.Present(1);
return(true);
}
/// <summary>
/// Function to process the example functionality during idle time.
/// </summary>
/// <returns><b>true</b> to continue, <b>false</b> to stop.</returns>
private bool Idle()
{
_leftPanel.RenderTargetView.Clear(GroupControl1.BackColor);
_rightPanel.RenderTargetView.Clear(GroupControl2.BackColor);
_graphics.SetRenderTarget(_leftPanel.RenderTargetView);
_renderer.Begin();
_torusLeft.Scale = _scale;
_torusLeft.Position = new DX.Vector2(_leftPanel.Width / 2.0f, _leftPanel.Height / 2.0f);
_renderer.DrawSprite(_torusLeft);
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
_graphics.SetRenderTarget(_rightPanel.RenderTargetView);
_renderer.Begin();
_torusLeft.Scale = DX.Vector2.One;
_torusRight.Color = GorgonColor.RedPure;
_torusRight.Position = new DX.Vector2((_rightPanel.Width / 2.0f) - 64, (_rightPanel.Height / 2.0f) - 64);
_renderer.DrawSprite(_torusRight);
_torusRight.Color = GorgonColor.GreenPure;
_torusRight.Position = new DX.Vector2((_rightPanel.Width / 2.0f) + 64, (_rightPanel.Height / 2.0f) - 64);
_renderer.DrawSprite(_torusRight);
_torusRight.Color = GorgonColor.BluePure;
_torusRight.Position = new DX.Vector2((_rightPanel.Width / 2.0f) - 64, (_rightPanel.Height / 2.0f) + 64);
_renderer.DrawSprite(_torusRight);
_torusRight.Color = GorgonColor.White;
_torusRight.Position = new DX.Vector2((_rightPanel.Width / 2.0f) + 64, (_rightPanel.Height / 2.0f) + 64);
_renderer.DrawSprite(_torusRight);
_renderer.DrawString("\u2190Drag me!", new DX.Vector2(0, _rightPanel.Height / 4.0f), _appFont, GorgonColor.White);
if (_controllerRight.State != AnimationState.Playing)
{
_renderer.DrawString("Speed: Stopped", new DX.Vector2(0, 64), _appFont, GorgonColor.White);
}
else
{
_renderer.DrawString($"Speed: {TrackSpeed.Value / 5.0f:0.0#}", new DX.Vector2(0, 64), _appFont, GorgonColor.White);
}
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
_leftPanel.Present(1);
_rightPanel.Present(1);
_torusAnim.Speed = 1.0f;
_controllerLeft.Update();
if (_controllerRight.State != AnimationState.Playing)
{
_controllerRight.Resume();
_controllerRight.Time = (TrackSpeed.Value / 10.0f) * _torusAnim.Length;
_controllerRight.Pause();
}
else
{
_torusAnim.Speed = TrackSpeed.Value / 5.0f;
_controllerRight.Update();
}
return(true);
}
/// <summary>
/// Function to handle idle time processing.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private bool Idle()
{
int width = ClientSize.Width;
int height = ClientSize.Height;
_screen.RenderTargetView.Clear(Color.FromArgb(250, 245, 220));
// Reset the text position.
if (_poetry.Position.Y < -_poetry.Size.Height)
{
_textPosition = new DX.Vector2(0, height + _textFont.LineHeight);
}
// Scroll up.
_textPosition.Y -= (25.0f * GorgonTiming.Delta);
// Alter blur value.
_blurAmount += _blurDelta * GorgonTiming.Delta;
if (_blurAmount < 0.0f)
{
_blurAmount = 0.0f;
_blurDelta = -_blurDelta;
}
if (_blurAmount > 64)
{
_blurAmount = 64;
_blurDelta = -_blurDelta;
}
int index = 0;
ResetBlur();
if (_blurAmount > 0)
{
// Blur for the count we specify.
int blurCount = (int)_blurAmount;
for (int i = 0; i < blurCount; ++i)
{
int imageIndex = index = i % 2;
int targetIndex = index == 0 ? 1 : 0;
_blurEffect.Render((_, __, ___) => _renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _blurredTarget[0].Width, _blurredTarget[0].Height),
GorgonColor.White,
_blurredImage[imageIndex],
new DX.RectangleF(0, 0, 1, 1)),
_blurredTarget[targetIndex]);
}
}
// Switch back to our screen for rendering.
_graphics.SetRenderTarget(_screen.RenderTargetView);
// Draw the base.
_renderer.Begin();
// Draw text.
_poetry.Position = _textPosition;
_renderer.DrawTextSprite(_poetry);
_sprites[0].Position = new DX.Vector2(width / 4, height / 4);
// Draw motherships.
_sprites[1].Position = new DX.Vector2(width - (width / 4), height / 4);
_renderer.DrawSprite(_sprites[0]);
_renderer.DrawSprite(_sprites[1]);
// Draw our blurred image (we could have used a sprite here as well, but this works just as well).
_renderer.DrawFilledRectangle(new DX.RectangleF((width / 2) - (_blurredImage[0].Width / 2.0f),
(height / 2) - (_blurredImage[0].Height / 2.0f),
_blurredImage[0].Width,
_blurredImage[0].Height),
GorgonColor.White,
_blurredImage[index],
new DX.RectangleF(0, 0, 1, 1));
// Draw help text.
if (_showHelp)
{
_renderer.DrawTextSprite(_helpText);
}
// Show our rendering statistics.
if (_showStats)
{
var rectPosition = new DX.RectangleF(0, 0, width, (_helpFont.FontHeight * 2.0f) + 2.0f);
_renderer.DrawFilledRectangle(rectPosition, Color.FromArgb(192, Color.Black));
_renderer.DrawLine(rectPosition.X, rectPosition.Bottom, rectPosition.Width, rectPosition.Bottom, Color.White);
_renderer.DrawString($"FPS: {GorgonTiming.FPS:0.0}\nFrame Delta: {(GorgonTiming.Delta * 1000):0.0##} msec.",
DX.Vector2.Zero,
_helpFont,
GorgonColor.White);
}
_renderer.End();
GorgonExample.ShowStatistics = _showStats;
GorgonExample.DrawStatsAndLogo(_renderer);
_screen.Present(1);
return(true);
}
/// <summary>
/// Function to perform operations while the CPU is idle.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
_postTarget1.Clear(GorgonColor.Black);
DX.Vector2 textureSize = _background.Texture.ToTexel(new DX.Vector2(_postTarget1.Width, _postTarget1.Height));
// Blit the background texture.
_graphics.SetRenderTarget(_postTarget1);
_renderer.Begin();
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _postTarget1.Width, _postTarget1.Height),
GorgonColor.White,
_background,
new DX.RectangleF(_backgroundOffset.X, _backgroundOffset.Y, textureSize.X, textureSize.Y));
_shipSprite.Color = new GorgonColor(GorgonColor.White, _cloakController.Opacity);
_renderer.DrawSprite(_shipSprite);
_renderer.End();
// No sense in rendering the effect if it's not present.
float strength = _cloakController.CloakAmount;
if (strength > 0.0f)
{
// Don't bother recording the current state, we're going to be updating it shortly, so it'd be redundant.
_displacement.Strength = strength;
_displacement.Render((passIndex, _, __) => DrawDisplacement(passIndex),
_postTarget2);
}
else
{
// Send the undisplaced image to the 2nd post process target.
_graphics.SetRenderTarget(_postTarget2);
_renderer.Begin();
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _postTarget1.Width, _postTarget1.Height),
GorgonColor.White,
_postView1,
new DX.RectangleF(0, 0, 1, 1));
_renderer.End();
}
// Smooth our results.
int blurRadiusUpdate = GorgonRandom.RandomInt32(0, 1000000);
if (blurRadiusUpdate > 997000)
{
_gaussBlur.BlurRadius = (_gaussBlur.BlurRadius + 1).Min(_gaussBlur.MaximumBlurRadius / 2);
}
else if (blurRadiusUpdate < 3000)
{
_gaussBlur.BlurRadius = (_gaussBlur.BlurRadius - 1).Max(1);
}
// If we didn't blur (radius = 0), then just use the original view.
if (_gaussBlur.BlurRadius > 0)
{
_gaussBlur.Render((_, __, outputSize) =>
{
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, outputSize.Width, outputSize.Height),
GorgonColor.White,
_postView2,
new DX.RectangleF(0, 0, 1, 1));
},
_postTarget2);
}
// Render as an old film effect.
_oldFilm.Time = GorgonTiming.SecondsSinceStart * 2;
DX.Vector2 offset = DX.Vector2.Zero;
if (GorgonRandom.RandomInt32(0, 100) > 95)
{
offset = new DX.Vector2(GorgonRandom.RandomSingle(-2.0f, 2.0f), GorgonRandom.RandomSingle(-1.5f, 1.5f));
}
_oldFilm.Render((_, __, size) =>
_renderer.DrawFilledRectangle(new DX.RectangleF(offset.X, offset.Y, size.Width, size.Height),
GorgonColor.White,
_postView2,
new DX.RectangleF(0, 0, 1, 1)),
_postTarget1);
// Send to our screen.
_screen.RenderTargetView.Clear(GorgonColor.Black);
_graphics.SetRenderTarget(_screen.RenderTargetView);
_renderer.Begin(Gorgon2DBatchState.NoBlend);
if (GorgonRandom.RandomInt32(0, 100) < 2)
{
_finalBrightness = GorgonRandom.RandomSingle(0.65f, 1.0f);
}
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _finalView.Width, _finalView.Height),
new GorgonColor(_finalBrightness, _finalBrightness, _finalBrightness, 1.0f),
_postView1,
new DX.RectangleF(0, 0, 1, 1));
_renderer.End();
_renderer.Begin();
if (_showHelp)
{
_renderer.DrawString(HelpText, new DX.Vector2(0, 64), color: new GorgonColor(1.0f, 1.0f, 0));
}
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
// Flip our back buffers over.
_screen.Present(1);
_cloakController.Update();
return(true);
}
/// <summary>
/// Function called when the application goes into an idle state.
/// </summary>
/// <returns><b>true</b> to continue executing, <b>false</b> to stop.</returns>
private static bool Idle()
{
_angle1 += 45.0f * GorgonTiming.Delta;
_angle2 -= 30.0f * GorgonTiming.Delta;
if (_angle1 > 360.0f)
{
_angle1 -= 360.0f;
}
if (_angle2 < 0.0f)
{
_angle2 = 360.0f + _angle2;
}
_screen.RenderTargetView.Clear(new GorgonColor(0, 0, 0.2f));
// Draw standard sprites.
_renderer.Begin();
_renderer.DrawString("Polygonal Sprite",
new DX.Vector2((_screen.Width / 4.0f) - (_polySprite.Size.Width * 0.5f),
(_screen.Height / 4.0f) - (_polySprite.Size.Height * 0.5f) - _renderer.DefaultFont.LineHeight));
_renderer.DrawString("Polygonal Sprite (Wireframe)",
new DX.Vector2(_screen.Width - (_screen.Width / 4.0f) - (_polySprite.Size.Width * 0.5f),
(_screen.Height / 4.0f) - (_polySprite.Size.Height * 0.5f) - _renderer.DefaultFont.LineHeight));
_renderer.DrawString("Rectangular Sprite",
new DX.Vector2((_screen.Width / 4.0f) - (_polySprite.Size.Width * 0.5f),
_screen.Height - (_screen.Height / 4.0f) - (_polySprite.Size.Height * 0.5f) - _renderer.DefaultFont.LineHeight));
_renderer.DrawString("Rectangular Sprite (Wireframe)",
new DX.Vector2(_screen.Width - (_screen.Width / 4.0f) - (_polySprite.Size.Width * 0.5f),
_screen.Height - (_screen.Height / 4.0f) - (_polySprite.Size.Height * 0.5f) - _renderer.DefaultFont.LineHeight));
_normalSprite.Texture = _texture;
_normalSprite.Angle = _angle1;
_normalSprite.Position = new DX.Vector2(_screen.Width / 4.0f, _screen.Height - (_screen.Height / 4.0f));
_polySprite.Texture = _texture;
_polySprite.Angle = _angle2;
_polySprite.Position = new DX.Vector2(_screen.Width / 4.0f, (_screen.Height / 4.0f));
_renderer.DrawSprite(_normalSprite);
_renderer.DrawPolygonSprite(_polySprite);
_renderer.End();
// Draw wireframe versions.
_renderer.Begin(Gorgon2DBatchState.WireFrameNoCulling);
_normalSprite.Texture = null;
_normalSprite.Angle = _angle2;
_normalSprite.Position = new DX.Vector2(_screen.Width - (_screen.Width / 4.0f), _screen.Height - (_screen.Height / 4.0f));
_polySprite.Texture = null;
_polySprite.Angle = _angle1;
_polySprite.Position = new DX.Vector2(_screen.Width - (_screen.Width / 4.0f), (_screen.Height / 4.0f));
_renderer.DrawSprite(_normalSprite);
_renderer.DrawPolygonSprite(_polySprite);
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
_screen.Present(1);
return(true);
}
/// <summary>
/// Function to handle idle time for the application.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// This will clear the swap chain to the specified color.
// For our example, we'll cycle through multiple colors so we don't end up with a boring old screen with a static color. This will also prove that our
// swap chain is working and rendering data to the window.
// Set up the clear to clear the upper left and lower right of the swap chain:
switch (_clearPattern)
{
case 1:
_clearRegions[0] = new DX.Rectangle(0, 0, _swap.Width / 2, _swap.Height / 2);
_clearRegions[1] = new DX.Rectangle(_swap.Width / 2, _swap.Height / 2, _swap.Width / 2, _swap.Height / 2);
_swap.RenderTargetView.Clear(_clearColor, _clearRegions);
break;
case 2:
_clearRegions[0] = new DX.Rectangle(_swap.Width / 2, 0, _swap.Width / 2, _swap.Height / 2);
_clearRegions[1] = new DX.Rectangle(0, _swap.Height / 2, _swap.Width / 2, _swap.Height / 2);
_swap.RenderTargetView.Clear(_clearColor, _clearRegions);
break;
default:
_swap.RenderTargetView.Clear(_clearColor);
break;
}
// This specifies how much color to apply to the channel.
// We're using the GorgonTiming.Delta property here to retrieve the number of seconds that it takes to draw a single frame. This allows us to smooth
// the animation speed by basing it on the frame rate of the device. If we didn't do this, the colors would cycle way too quickly.
_channelValue = GorgonTiming.Delta * _direction * 0.4f;
switch (_channel)
{
case 0:
_channelValue = _clearColor.Red + _channelValue;
_clearColor = new GorgonColor(_channelValue, 0, 0);
break;
case 1:
_channelValue = _clearColor.Green + _channelValue;
_clearColor = new GorgonColor(0, _channelValue, 0);
break;
case 2:
_channelValue = _clearColor.Blue + _channelValue;
_clearColor = new GorgonColor(0, 0, _channelValue);
break;
}
// If we've exceeded the min/max amount of color for the channel, move on to the next.
if (_channelValue > 1.0f)
{
_direction = -1;
_channelValue = 1.0f;
}
if (_channelValue < 0.0f)
{
_direction = 1;
_channelValue = 0.0f;
_channel += _channelDirection;
}
// Flip directions and set to the middle channel.
if (_channel > 2)
{
_channel = 1;
_channelDirection = -1;
++_clearPattern;
if (_clearPattern > 2)
{
_clearPattern = 0;
}
}
if (_channel < 0)
{
_channel = 1;
_channelDirection = 1;
++_clearPattern;
if (_clearPattern > 2)
{
_clearPattern = 0;
}
}
GorgonExample.BlitLogo(_graphics);
// Now we flip our buffers on the swap chain.
// We need to this or we won't see anything at all except the standard window background color. Clearly, we don't want that.
// This method will take the current frame back buffer and flip it to the front buffer (the window). If we had more than one swap chain tied to multiple
// windows, then we'd need to do this for every swap chain.
_swap.Present();
return(true);
}
/// <summary>
/// Function to process during idle time.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to end processing.</returns>
private bool Gorgon_Idle()
{
// Cursor position.
Point mousePosition = PointToClient(!_useWinFormsInput ? _mouse.Position : Cursor.Position);
var cursorPosition = new DX.Vector2(mousePosition.X, mousePosition.Y);
if (!_useWinFormsInput)
{
Cursor.Position = PointToScreen(mousePosition);
}
// Dump to the screen.
_2D.Begin(_noBlending);
_2D.DrawFilledRectangle(new DX.RectangleF(0, 0, _backBuffer.Width, _backBuffer.Height), GorgonColor.White, _backBufferView, new DX.RectangleF(0, 0, 1, 1));
_2D.End();
if (_joystick != null)
{
// Poll the joystick.
_joystick.Poll();
GorgonRange xAxisRange = _joystick.Info.AxisInfo[GamingDeviceAxis.XAxis].Range;
GorgonRange yAxisRange = _joystick.Info.AxisInfo[GamingDeviceAxis.YAxis].Range;
// Adjust position to match screen coordinates.
cursorPosition = new DX.Vector2(_joystick.Axis[GamingDeviceAxis.XAxis].Value - xAxisRange.Minimum,
_joystick.Axis[GamingDeviceAxis.YAxis].Value - yAxisRange.Minimum);
cursorPosition.X = cursorPosition.X / (xAxisRange.Range + 1) * _screen.Width;
cursorPosition.Y = _screen.Height - (cursorPosition.Y / (yAxisRange.Range + 1) * _screen.Height);
}
// Draw cursor.
_2D.Begin(_inverted);
if (_radius > 3.0f)
{
_2D.DrawFilledEllipse(new DX.RectangleF(cursorPosition.X - (_radius / 2.0f), cursorPosition.Y - (_radius / 2.0f), _radius, _radius), Color.White);
}
else
{
_2D.DrawFilledRectangle(new DX.RectangleF(cursorPosition.X - (_radius / 2.0f), cursorPosition.Y - (_radius / 2.0f), _radius, _radius), Color.White);
}
_2D.End();
// If we have a joystick button down, then draw a black dot.
if ((_joystick != null) && (_joystick.Button[0] == GamingDeviceButtonState.Down))
{
var penPosition = new DX.RectangleF(cursorPosition.X - (_radius / 2.0f), cursorPosition.Y - (_radius / 2.0f), _radius, _radius);
_graphics.SetRenderTarget(_backBuffer);
_2D.Begin();
if (_radius > 3.0f)
{
_2D.DrawFilledEllipse(penPosition, Color.Black);
}
else
{
_2D.DrawFilledRectangle(penPosition, Color.Black);
}
_2D.End();
_graphics.SetRenderTarget(_screen.RenderTargetView);
}
_2D.Begin();
_2D.DrawTextSprite(_messageSprite);
_2D.End();
_screen.Present(1);
return(true);
}
/// <summary>
/// Function to draw the pretty picture.
/// </summary>
private void DrawAPrettyPicture()
{
// Paint color.
Color paintColor;
// Clear the back buffer.
_screen.RenderTargetView.Clear(Color.FromArgb(0, 0, 64));
// First, we need to inform the renderer that we're about draw some stuff.
_renderer.Begin();
// Draw some points as stars.
for (int x = 0; x < 1000; x++)
{
// Color.
int colorSwitch = GorgonRandom.RandomInt32(160) + 95; // Color component for the points.
// Get the star color.
paintColor = Color.FromArgb(colorSwitch, colorSwitch, colorSwitch);
_renderer.DrawFilledRectangle(new DX.RectangleF(GorgonRandom.RandomSingle(_screen.Width), GorgonRandom.RandomSingle(_screen.Height), 1, 1), paintColor);
}
// Draw lines.
for (int x = 0; x < 360; x++)
{
float cos = (x + (x / 2.0f)).FastCos(); // Cosine.
float sin = (x + (x / 3.0f)).FastSin(); // Sin.
// Set up a random color.
paintColor = Color.FromArgb((byte)GorgonRandom.RandomInt32(128, 255), GorgonRandom.RandomInt32(64, 255), GorgonRandom.RandomInt32(64, 255), 0);
var startPosition = new DX.Vector2(sin + _halfSize.Width, cos + _halfSize.Height);
var endPosition = new DX.Vector2((cos * (GorgonRandom.RandomSingle(_halfSize.Width * 0.82f))) + startPosition.X, (sin * (GorgonRandom.RandomSingle(_halfSize.Height * 0.82f))) + startPosition.Y);
_renderer.DrawLine(startPosition.X, startPosition.Y, endPosition.X, endPosition.Y, paintColor);
//Gorgon.Screen.Line(sin + _halfWidth, cos + _halfHeight, cos * (RandomValue * _halfWidth), sin * (RandomValue * _halfHeight), paintColor);
}
// Draw a filled circle.
float size = (_halfSize.Width / 2.0f) + (GorgonRandom.RandomInt32(10) - 8);
float half = size / 2.0f;
_renderer.DrawFilledEllipse(new DX.RectangleF(_halfSize.Width - half, _halfSize.Height - half, size, size), Color.Yellow);
// Draw some circles in the filled circle (sunspots).
for (int x = 0; x < 25; x++)
{
float radius = GorgonRandom.RandomSingle(5.0f);
var spotPosition = new DX.Vector2((GorgonRandom.RandomSingle((_halfSize.Height / 2.0f)) + _halfSize.Width - (_halfSize.Height / 4.0f)),
(GorgonRandom.RandomSingle((_halfSize.Height / 2.0f)) + _halfSize.Height - (_halfSize.Height / 4.0f)));
_renderer.DrawEllipse(new DX.RectangleF(spotPosition.X - (radius * 0.5f),
spotPosition.Y - (radius * 0.5f),
radius,
radius),
Color.Black);
}
// Draw some black bars.
_renderer.DrawFilledRectangle(new DX.RectangleF(0, 0, _screen.Width, _screen.Height / 6.0f), Color.Black);
_renderer.DrawFilledRectangle(new DX.RectangleF(0, _screen.Height - (_screen.Height / 6.0f), _screen.Width, _screen.Height / 6.0f), Color.Black);
// Tell the renderer that we're done drawing so we can actually render the shapes.
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
// Always call this when done or you won't see anything.
_screen.Present(1);
}
/// <summary>
/// Function called during idle time the application.
/// </summary>
/// <returns><b>true</b> to continue executing, <b>false</b> to stop.</returns>
private static bool Idle()
{
GorgonFont currentFont = _font[_fontIndex];
if (_startTime < 0)
{
_startTime = GorgonTiming.SecondsSinceStart;
}
_screen.RenderTargetView.Clear(_glowIndex != _fontIndex ? GorgonColor.CornFlowerBlue : new GorgonColor(0, 0, 0.2f));
DX.Size2F textSize = currentFont.MeasureText(Resources.Lorem_Ipsum, false);
var position = new DX.Vector2((int)((_screen.Width / 2.0f) - (textSize.Width / 2.0f)).Max(4.0f), (int)((_screen.Height / 2.0f) - (textSize.Height / 2.0f)).Max(100));
_text.Font = currentFont;
_text.Position = position;
// If we have glow on, then draw the glow outline in a separate pass.
if (_glowIndex == _fontIndex)
{
_text.OutlineTint = new GorgonColor(1, 1, 1, _glowAlpha);
_text.DrawMode = TextDrawMode.OutlineOnly;
_renderer.Begin(Gorgon2DBatchState.AdditiveBlend);
_renderer.DrawTextSprite(_text);
_renderer.End();
}
_text.OutlineTint = GorgonColor.White;
_text.Color = _glowIndex != _fontIndex ? GorgonColor.White : GorgonColor.Black;
_text.DrawMode = ((_glowIndex == _fontIndex) || (!currentFont.HasOutline)) ? TextDrawMode.GlyphsOnly : TextDrawMode.OutlinedGlyphs;
// Draw the font identification.
_renderer.Begin();
_renderer.DrawString($"Now displaying [c #FFFFE03F]'{currentFont.Name}'[/c]...", new DX.Vector2(4.0f, 64.0f));
_renderer.DrawTextSprite(_text);
_renderer.End();
GorgonExample.DrawStatsAndLogo(_renderer);
// Animate our glow alpha.
_glowAlpha += _glowVelocity * GorgonTiming.Delta;
if (_glowAlpha > 1.0f)
{
_glowAlpha = 1.0f;
_glowVelocity = -0.5f;
}
else if (_glowAlpha < 0.25f)
{
_glowAlpha = 0.25f;
_glowVelocity = 0.5f;
}
// Animate the line height so we can drop the lines and make them bounce... just because we can.
float normalSin = (_bounceAngle.ToRadians().Sin() + 1.0f) / 2.0f;
float scaledSin = normalSin * (1.0f - _max);
_text.LineSpace = scaledSin + _max;
_bounceAngle += _angleSpeed * GorgonTiming.Delta;
if (_bounceAngle > 90.0f)
{
_bounceAngle = 90.0f;
if (_max.EqualsEpsilon(0))
{
_max = 0.5f;
}
else
{
_max += 0.125f;
}
if (_max >= 1.0f)
{
_max = 1.0f;
}
_angleSpeed = -_angleSpeed * (_max + 1.0f);
}
if (_bounceAngle < -90.0f)
{
_angleSpeed = -_angleSpeed;
_bounceAngle = -90.0f;
}
int timeDiff = (int)(GorgonTiming.SecondsSinceStart - _startTime).FastCeiling();
// Switch to a new font every 4 seconds.
if (timeDiff > 4)
{
_startTime = GorgonTiming.SecondsSinceStart;
++_fontIndex;
_text.LineSpace = -0.015f;
// Reset glow animation.
if (_fontIndex == _glowIndex)
{
_glowAlpha = 1.0f;
_glowVelocity = -0.5f;
}
// Reset bounce.
_bounceAngle = -90.0f;
_max = 0.0f;
_angleSpeed = 360.0f;
}
if (_fontIndex >= _font.Count)
{
_fontIndex = 0;
}
_screen.Present(1);
return(true);
}
