/// <summary>
/// This is called when the game should draw itself.
/// </summary>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice device = graphics.GraphicsDevice;
device.Clear(Color.Black);
Matrix projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, device.Viewport.AspectRatio, 1, 10000);
Matrix view = Matrix.CreateLookAt(camera.Position, ship.Position, Vector3.Up);
graphics.GraphicsDevice.Clear(Color.CornflowerBlue);
// Draw the terrain first, then the sky. This is faster than
// drawing the sky first, because the depth buffer can skip
// bothering to draw sky pixels that are covered up by the
// terrain. This trick works because the code used to draw
// the sky forces all the sky vertices to be as far away as
// possible, and turns depth testing on but depth writes off.
terrain.EditEffects();
terrain.Draw(view, projection);
ship.Draw(aspectRatio, view);
sky.Draw(view, projection);
// If there was any alpha blended translucent geometry in
// the scene, that would be drawn here, after the sky.
base.Draw(gameTime);
}
private void OnDraw(object sender, DrawEventArgs e)
{
GraphicsDevice graphicsDevice = GraphicsDeviceManager.Current.GraphicsDevice;
graphicsDevice.Clear(Color.Black);
// Calculate the projection matrix.
Matrix projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4,
graphicsDevice.Viewport.AspectRatio,
1, 10000);
// Calculate a view matrix, moving the camera around a circle.
float time = (float)e.TotalTime.TotalSeconds * 0.333f;
float cameraX = (float)Math.Cos(time);
float cameraY = (float)Math.Sin(time);
Vector3 cameraPosition = new Vector3(cameraX, 0, cameraY) * 64;
Vector3 cameraFront = new Vector3(-cameraY, 0, cameraX);
Matrix view = Matrix.CreateLookAt(cameraPosition,
cameraPosition + cameraFront,
Vector3.Up);
// Draw the terrain first, then the sky. This is faster than
// drawing the sky first, because the depth buffer can skip
// bothering to draw sky pixels that are covered up by the
// terrain. This trick works because the code used to draw
// the sky forces all the sky vertices to be as far away as
// possible, and turns depth testing on but depth writes off.
DrawTerrain(view, projection);
sky.Draw(graphicsDevice, view, projection);
// If there was any alpha blended translucent geometry in
// the scene, that would be drawn here, after the sky.
// Force a redraw so this control will continuously animate.
e.InvalidateSurface();
}
/// <summary>
/// This is called when the game should draw itself.
/// </summary>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice device = graphics.GraphicsDevice;
device.Clear(Color.Black);
// Calculate the projection matrix.
Matrix projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4,
device.Viewport.AspectRatio,
1, 10000);
// Calculate a view matrix, moving the camera around a circle.
float time = (float)gameTime.TotalGameTime.TotalSeconds * 0.333f;
float cameraX = (float)Math.Cos(time);
float cameraY = (float)Math.Sin(time);
Vector3 cameraPosition = new Vector3(cameraX, 0, cameraY) * 64;
Vector3 cameraFront = new Vector3(-cameraY, 0, cameraX);
Matrix view = Matrix.CreateLookAt(cameraPosition,
cameraPosition + cameraFront,
Vector3.Up);
// Draw the terrain first, then the sky. This is faster than
// drawing the sky first, because the depth buffer can skip
// bothering to draw sky pixels that are covered up by the
// terrain. This trick works because the code used to draw
// the sky forces all the sky vertices to be as far away as
// possible, and turns depth testing on but depth writes off.
DrawTerrain(view, projection);
sky.Draw(view, projection);
// If there was any alpha blended translucent geometry in
// the scene, that would be drawn here, after the sky.
base.Draw(gameTime);
}
