private Ray LinearSearch(Ray ray)
{
ray.Direction /= 50.0f;
Vector3 nextPoint = ray.Position + ray.Direction;
float heightAtNextPoint = terrain.GetExactHeightAt(nextPoint.X, -nextPoint.Z);
while (heightAtNextPoint < nextPoint.Y)
{
ray.Position = nextPoint;
nextPoint = ray.Position + ray.Direction;
heightAtNextPoint = terrain.GetExactHeightAt(nextPoint.X, -nextPoint.Z);
}
return(ray);
}
protected override void Update(GameTime gameTime)
{
GamePadState gamePadState = GamePad.GetState(PlayerIndex.One);
if (gamePadState.Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
MouseState mouseState = Mouse.GetState();
KeyboardState keyState = Keyboard.GetState();
fpsCam.Update(mouseState, keyState, gamePadState);
float treshold = 3.0f;
float terrainHeight = terrain.GetExactHeightAt(fpsCam.Position.X, -fpsCam.Position.Z);
Vector3 newPos = fpsCam.Position;
newPos.Y = terrainHeight + treshold;
fpsCam.Position = newPos;
base.Update(gameTime);
}