public void FromPixelSpace()
{
var window = new TestResolver().Resolve<Window>();
var camera = new Camera2DControlledQuadraticScreenSpace(window)
{
LookAt = new Point(-0.5f, 0.6f),
Zoom = 2.0f
};
Assert.AreEqual(new Point(-0.75f, 0.44375f), camera.FromPixelSpace(Point.Zero));
Assert.AreEqual(new Point(-0.25f, 0.75625f),
camera.FromPixelSpace((Point)window.ViewportPixelSize));
Assert.AreEqual(camera.LookAt, camera.FromPixelSpace((Point)window.ViewportPixelSize / 2));
}
public void EdgesAfterPanning()
{
var camera = new Camera2DControlledQuadraticScreenSpace(new TestResolver().Resolve<Window>())
{
LookAt = new Point(0.75f, 0.6f)
};
Assert.AreEqual(new Point(0.25f, 0.2875f), camera.TopLeft);
Assert.AreEqual(new Point(1.25f, 0.9125f), camera.BottomRight);
Assert.AreEqual(0.2875f, camera.Top, 0.0001f);
Assert.AreEqual(0.25f, camera.Left, 0.0001f);
Assert.AreEqual(0.9125f, camera.Bottom, 0.0001f);
Assert.AreEqual(1.25f, camera.Right, 0.0001f);
}
public void EdgesAfterZoomingIn()
{
var camera = new Camera2DControlledQuadraticScreenSpace(new TestResolver().Resolve<Window>())
{
Zoom = 2.0f
};
Assert.AreEqual(new Point(0.25f, 0.34375f), camera.TopLeft);
Assert.AreEqual(new Point(0.75f, 0.65625f), camera.BottomRight);
Assert.AreEqual(0.34375f, camera.Top, 0.0001f);
Assert.AreEqual(0.25f, camera.Left, 0.0001f);
Assert.AreEqual(0.65625f, camera.Bottom, 0.0001f);
Assert.AreEqual(0.75f, camera.Right, 0.0001f);
}
public void EdgesAfterPanningAndZooming()
{
var camera = new Camera2DControlledQuadraticScreenSpace(new TestResolver().Resolve<Window>())
{
LookAt = new Point(0.4f, 0.5f),
Zoom = 0.5f
};
Assert.AreEqual(new Point(-0.6f, -0.125f), camera.TopLeft);
Assert.AreEqual(new Point(1.4f, 1.125f), camera.BottomRight);
Assert.AreEqual(-0.125f, camera.Top, 0.0001f);
Assert.AreEqual(-0.6f, camera.Left, 0.0001f);
Assert.AreEqual(1.125f, camera.Bottom, 0.0001f);
Assert.AreEqual(1.4f, camera.Right, 0.0001f);
}
public void Zoom()
{
var camera = new Camera2DControlledQuadraticScreenSpace(new TestResolver().Resolve<Window>());
Assert.AreEqual(1.0f, camera.Zoom);
camera.Zoom = 2.5f;
Assert.AreEqual(2.5f, camera.Zoom);
}
public void ToPixelSpace()
{
var window = new TestResolver().Resolve<Window>();
var quadraticSize = new Size(window.ViewportPixelSize.Width);
var camera = new Camera2DControlledQuadraticScreenSpace(window)
{
LookAt = new Point(-0.5f, 0.6f),
Zoom = 2.0f
};
Assert.AreEqual(quadraticSize.Width * 1.5f, camera.ToPixelSpace(Point.Zero).X);
Assert.AreEqual(new Point(2560, 115.2f), camera.ToPixelSpace(Point.Half));
Assert.AreEqual(new Point(3584, 1139.2f), camera.ToPixelSpace(Point.One));
Assert.AreEqual(quadraticSize, camera.ToPixelSpace(Size.Half));
}
public void LoopingToAndFromPixelSpaceLeavesAPointUnchanged()
{
var window = new TestResolver().Resolve<Window>();
var camera = new Camera2DControlledQuadraticScreenSpace(window)
{
LookAt = new Point(-0.5f, 0.6f),
Zoom = 3.0f
};
Assert.AreEqual(new Point(1.2f, 3.4f),
camera.ToPixelSpace(camera.FromPixelSpace(new Point(1.2f, 3.4f))));
Assert.AreEqual(new Point(1.2f, 3.4f),
camera.FromPixelSpace(camera.ToPixelSpace(new Point(1.2f, 3.4f))));
}
public void LookAt()
{
var camera = new Camera2DControlledQuadraticScreenSpace(new TestResolver().Resolve<Window>());
Assert.AreEqual(Point.Half, camera.LookAt);
camera.LookAt = Point.One;
Assert.AreEqual(Point.One, camera.LookAt);
}
