/// <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 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);
}
