public override void UpdateScene(float dt)
{
base.UpdateScene(dt);
if (Util.IsKeyDown(Keys.Up))
{
_camera.Walk(100.0f * dt);
}
if (Util.IsKeyDown(Keys.Down))
{
_camera.Walk(-100.0f * dt);
}
if (Util.IsKeyDown(Keys.Left))
{
_camera.Strafe(-100.0f * dt);
}
if (Util.IsKeyDown(Keys.Right))
{
_camera.Strafe(100.0f * dt);
}
if (Util.IsKeyDown(Keys.PageUp))
{
_camera.Zoom(-dt);
}
if (Util.IsKeyDown(Keys.PageDown))
{
_camera.Zoom(+dt);
}
if (Util.IsKeyDown(Keys.Space))
{
_camera.LookAt(new Vector3(0, 5, -5), new Vector3(0, 0, 0), Vector3.UnitY);
}
}
private BallisticDemo(IntPtr hInstance)
: base(hInstance)
{
_currentShotType = ShotType.Laser;
MainWindowCaption = "Ballistic Demo";
_lastMousePos = new Point();
_camera = new FpsCamera();
_camera.LookAt(new Vector3(10, 2, -10), new Vector3(0, 1, 0), Vector3.UnitY);
_dirLights = new[] {
new DirectionalLight {
Ambient = new Color4(0.2f, 0.2f, 0.2f),
Diffuse = new Color4(0.7f, 0.7f, 0.7f),
Specular = new Color4(0.8f, 0.8f, 0.8f),
Direction = new Vector3(-0.57735f, -0.57735f, 0.57735f)
},
new DirectionalLight {
Ambient = new Color4(0, 0, 0),
Diffuse = new Color4(1.0f, 0.4f, 0.4f, 0.4f),
Specular = new Color4(1.0f, 0.2f, 0.2f, 0.2f),
Direction = new Vector3(-0.707f, -0.707f, 0)
},
new DirectionalLight {
Ambient = new Color4(0, 0, 0),
Diffuse = new Color4(1.0f, 0.2f, 0.2f, 0.2f),
Specular = new Color4(0.2f, 0.2f, 0.2f),
Direction = new Vector3(0, 0, -1)
}
};
}
public FpsCamera ToCamera(Matrix transform)
{
var camera = new FpsCamera(Fov.ToRadians());
camera.LookAt(
Vector3.TransformCoordinate(Position, transform),
Vector3.TransformCoordinate(Position + Look, transform),
Vector3.TransformNormal(Up, transform));
return(camera);
}
public FpsCamera ToCamera()
{
var camera = new FpsCamera(Fov.ToRadians())
{
Position = Position
};
camera.LookAt(Position, Position + Look, Up);
return(camera);
}
private PointLightDemo(IntPtr hInstance) : base(hInstance)
{
MainWindowCaption = "Point Light Demo";
_lastMousePos = new Point();
Enable4XMsaa = true;
GammaCorrectedBackBuffer = true;
_camera = new FpsCamera();
_camera.LookAt(new Vector3(71, 41, 71), Vector3.Zero, Vector3.UnitY);
_dirLightDirection.Normalize();
}
public void SetCamera(Vector3 from, Vector3 to, float fovRadY)
{
UseFpsCamera = true;
Camera = new FpsCamera(fovRadY);
_cameraTo = to;
Camera.LookAt(from, to, Vector3.UnitY);
Camera.SetLens(AspectRatio);
//Camera.UpdateViewMatrix();
PrepareCamera(Camera);
IsDirty = true;
}
public void SetCamera(Vector3 lookFrom, Vector3 lookAt, float fovRadY, float tiltRad)
{
UseFpsCamera = true;
AutoRotate = false;
Camera = new FpsCamera(fovRadY);
_cameraTo = lookAt;
Camera.LookAt(lookFrom, lookAt, tiltRad);
Camera.SetLens(AspectRatio);
//Camera.UpdateViewMatrix();
PrepareCamera(Camera);
IsDirty = true;
_cameraIgnoreNext = true;
}
public bool Update(Vector3 position, Vector3 direction, float range, float angle)
{
var result = _dirty;
_dirty = false;
if (result || _camera.FovY != angle || _camera.FarZ != range)
{
_camera.FovY = angle;
_camera.FarZ = range;
_camera.SetLens(1f);
result = true;
}
if (result || _camera.Position != position || Vector3.Dot(_camera.Look, direction) < 0.99)
{
_camera.LookAt(position, position + direction,
Math.Abs(direction.Y - 1f) < 0.01f || Math.Abs(direction.Y - (-1f)) < 0.01f ? Vector3.UnitX : Vector3.UnitY);
_camera.UpdateViewMatrix();
result = true;
}
if (result)
{
ShadowTransform = _camera.ViewProj * new Matrix {
M11 = 0.5f,
M22 = -0.5f,
M33 = 1.0f,
M41 = 0.5f,
M42 = 0.5f,
M44 = 1.0f
};
}
return(result);
}