public override Result Init(int width, int height, bool windowed)
{
CreateWindow(width, height);
Device = CreateDevice(width, height, windowed);
if (Device == null)
{
return(ResultCode.Failure);
}
Font = new Font(Device, 18, 0, FontWeight.Bold, 1, false, CharacterSet.Default, Precision.Default, FontQuality.Default, PitchAndFamily.Default | PitchAndFamily.DontCare, "Arial");
_heightmap = new HeightMap(Device, new Point(100, 100), 15.0f);
if (_heightmap.CreateRandomHeightMap(MathF.Rand(2000), _size / 10.0f, _amplitude / 10.0f, 9).IsFailure)
{
Debug.Print("Failed to create random heightmap");
Quit();
}
_hmRenderer = new HeightMapRenderer(_heightmap, Device);
if (_hmRenderer.CreateParticles().IsFailure)
{
Debug.Print("Failed to create particles");
Quit();
}
IsRunning = true;
return(ResultCode.Success);
}
public override Result Update(float dt)
{
if (_heightmap == null)
{
}
else
{
_angle += dt * 0.5f;
var center = _heightmap.Center;
var eye = new Vector3(center.X + MathF.Cos(_angle) * center.X * 2.0f, _heightmap.MaxHeight * 8.0f, -center.Y + MathF.Sin(_angle) * center.Y * 2.0f);
var lookAt = new Vector3(center.X, 0.0f, -center.Y);
var world = Matrix.Identity;
var view = Matrix.LookAtLH(eye, lookAt, new Vector3(0, 1, 0));
var proj = Matrix.PerspectiveFovLH(MathF.Pi / 4, 1.3333f, 1.0f, 1000.0f);
Device.SetTransform(TransformState.World, world);
Device.SetTransform(TransformState.View, view);
Device.SetTransform(TransformState.Projection, proj);
if (Input.IsKeyDown(Key.Space))
{
_heightmap.CreateRandomHeightMap(MathF.Rand(2000), _size / 10.0f, _amplitude / 10.0f, 9);
_hmRenderer.Release();
_hmRenderer = new HeightMapRenderer(_heightmap, Device);
_hmRenderer.CreateParticles();
Thread.Sleep(100);
}
}
if (Input.IsKeyDown(Key.Escape))
{
Quit();
return(ResultCode.Success);
}
if (Input.IsKeyDown(Key.DownArrow) && _size > 1)
{
_size--; Thread.Sleep(100);
}
if (Input.IsKeyDown(Key.UpArrow) && _size < 20)
{
_size++; Thread.Sleep(100);
}
if (Input.IsKeyDown(Key.LeftArrow) && _amplitude > 1)
{
_amplitude--; Thread.Sleep(100);
}
if (Input.IsKeyDown(Key.RightArrow) && _amplitude < 15)
{
_amplitude++; Thread.Sleep(100);
}
return(ResultCode.Success);
}