public void IfCameraNotAdjustedItBehavesIdenticallyToQuadraticScreenSpace()
{
var q = new QuadraticScreenSpace(window);
var c = new Camera2DScreenSpace(window);
Assert.IsTrue(
c.FromPixelSpace(new Vector2D(1, 2)).IsNearlyEqual(q.FromPixelSpace(new Vector2D(1, 2))));
Assert.IsTrue(
c.FromPixelSpace(new Size(-3, 4)).IsNearlyEqual(q.FromPixelSpace(new Size(-3, 4))));
Assert.IsTrue(
c.ToPixelSpace(new Vector2D(2, 6)).IsNearlyEqual(q.ToPixelSpace(new Vector2D(2, 6))));
Assert.IsTrue(c.ToPixelSpace(new Size(-2, 0)).IsNearlyEqual(q.ToPixelSpace(new Size(-2, 0))));
}
public void FromPixelSpace()
{
var camera = new Camera2DScreenSpace(window)
{
LookAt = new Vector2D(-0.5f, 0.6f),
Zoom = 2.0f
};
Assert.IsTrue(
camera.FromPixelSpace(Vector2D.Zero).IsNearlyEqual(new Vector2D(-0.75f, 0.459375f)));
Assert.IsTrue(
camera.FromPixelSpace((Vector2D)window.ViewportPixelSize).IsNearlyEqual(new Vector2D(
-0.25f, 0.740625f)));
Assert.AreEqual(camera.LookAt, camera.FromPixelSpace((Vector2D)window.ViewportPixelSize / 2));
}
public void LoopingToAndFromPixelSpaceLeavesAPointUnchanged()
{
var camera = new Camera2DScreenSpace(window)
{
LookAt = new Vector2D(-0.5f, 0.6f),
Zoom = 3.0f
};
Assert.IsTrue(
camera.ToPixelSpace(camera.FromPixelSpace(new Vector2D(1.2f, 3.4f))).IsNearlyEqual(
new Vector2D(1.2f, 3.4f)));
Assert.IsTrue(
camera.FromPixelSpace(camera.ToPixelSpace(new Vector2D(1.2f, 3.4f))).IsNearlyEqual(
new Vector2D(1.2f, 3.4f)));
}