public void Camera2DTest_CreateCamera_TestSettingFocusAndAngleCalculationFromVector()
{
var components = Substitute.For <ISystemComponents>();
var camera = new CameraModel2D(components, 1920, 1080, 1.0f, Vector2.Zero);
camera.SetWorldFocus(new Vector2(100.0f, 150.0f));
Assert.Equal(new Vector2(100.0f, 150.0f), camera.GetWorldFocus());
camera.SetWorldFocusZoomAndRotationUsingUpVector(new Vector2(200.0f, 250.0f), 1.0f, Vector2.UnitX);
Assert.Equal(new Vector2(200.0f, 250.0f), camera.GetWorldFocus());
Assert.Equal(0.5f * (float)Math.PI, camera.GetWorldClockwiseRotationRadsFromPositiveY());
}
public void Camera2DTest_UpdatingCamera_EnsureCorrectNumberOfCountsToUpdatingMatrixBuffers()
{
var components = Substitute.For <ISystemComponents>();
var camera = new CameraModel2D(components, 1920, 1080, 5.0f, Vector2.Zero);
components.ClearReceivedCalls();
camera.SetWorldFocus(Vector2.Zero); //x1
camera.SetWorldZoom(2.0f); //x1
camera.SetWorldRotationUsingUpVector(Vector2.UnitY); //x1
camera.SetWorldRotationRadiansClockwiseFromPositiveY(45.0f); //x1
camera.SetWorldFocusAndZoom(Vector2.Zero, 2.0f); //x1
camera.SetWorldFocusZoomAndRotationRadiansAngleClockwiseFromPositiveY(Vector2.Zero, 2.0f, 45.0f); //x3
camera.SetWorldFocusZoomAndRotationUsingUpVector(Vector2.Zero, 2.0f, Vector2.UnitX); //x3
components.Device.Received(11).UpdateBuffer(Arg.Any <DeviceBuffer>(), Arg.Any <uint>(), ref Arg.Any <Matrix4x4>());
}