protected override void LoadContent()
{
_spriteBatch = new SpriteBatch(GraphicsDevice);
_font = Content.Load <SpriteFont>("MgGenFont");
_dot = CreateDotTexture(GraphicsDevice, Color.White);
_camera = new WaypointCamera(GraphicsDevice, _spriteBatch, _dot, new Vector3(2, 2, 10), new Vector3(0, 0, 0), Vector3.UnitY, 0.1f, 10000f, 1f, true, false);
_camera.TransformCamera(_camera.World.Translation, _testTarget, _camera.World.Up);
_camera.Up = Vector3.Forward;
_camera.WayPointCycleDurationInTotalSeconds = 20f;
_camera.MovementSpeedPerSecond = 3f;
_camera.SetWayPoints(_wayPoints, true, 100);
cspline = new Curve_HermiteSpline(_wayPoints, true, 0.5f);
}
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (IsPressedWithDelay(Keys.R, gameTime))
{
var elapsed = (float)gameTime.ElapsedGameTime.TotalSeconds;
t += elapsed / 10f;
if (t > 1f)
{
t = 0;
}
}
if (IsPressedWithDelay(Keys.T, gameTime))
{
var elapsed = (float)gameTime.ElapsedGameTime.TotalSeconds;
t -= elapsed / 10f;
if (t < 0f)
{
t = 1f;
}
}
if (IsPressedWithDelay(Keys.Tab, gameTime))
{
selectedCp += 1;
if (selectedCp > 3)
{
selectedCp = 0;
}
}
bool redoCurve = false;
if (IsPressedWithDelay(Keys.Up, gameTime))
{
weight += .1f;
if (weight > 2f)
{
weight = 0f;
}
redoCurve = true;
}
if (IsPressedWithDelay(Keys.Down, gameTime))
{
weight -= .1f;
if (weight < -1f)
{
weight = 2f;
}
redoCurve = true;
}
ms = Mouse.GetState();
if (ms.LeftButton == ButtonState.Pressed)
{
_wayPoints[selectedCp] = new Vector3(ms.Position.X, ms.Position.Y, 0);
redoCurve = true;
}
if (redoCurve)
{
cspline = new Curve_HermiteSpline(_wayPoints, true, weight);
}
msg =
$"Hermite " +
$"\n" + $"weight " + weight +
$"\n" + $"selectedCp " + selectedCp
;
if (Keyboard.GetState().IsKeyDown(Keys.Space))
{
_useDemoWaypoints = false;
}
if (Keyboard.GetState().IsKeyDown(Keys.Tab))
{
_useDemoWaypoints = true;
}
_camera.Update(_testTarget, _useDemoWaypoints, gameTime);
base.Update(gameTime);
}
