Camera2DScreenSpaceTests.Zoom Method

Camera2DScreenSpaceTests Zoom Method

Delta Engine Documentation

Namespace: DeltaEngine.Tests.ScreenSpaces
Assembly: DeltaEngine.Tests (in DeltaEngine.Tests.dll) Version: 1.1.1.0 (1.1.1)

Syntax

C++

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public void Zoom()

public void Zoom()

Public Sub Zoom

Public Sub Zoom

public:
void Zoom()

public:
void Zoom()

member Zoom : unit -> unit

member Zoom : unit -> unit

Examples

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[Test]
public void Zoom()
{
    var camera = new Camera2DScreenSpace(window);
    Assert.AreEqual(1.0f, camera.Zoom);
    camera.Zoom = 2.5f;
    Assert.AreEqual(2.5f, camera.Zoom);
}

[Test]
public void Zoom()
{
    var camera = new Camera2DScreenSpace(window);
    Assert.AreEqual(1.0f, camera.Zoom);
    camera.Zoom = 2.5f;
    Assert.AreEqual(2.5f, camera.Zoom);
}

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[Test]
public void EdgesAfterZoomingIn()
{
    Assert.AreEqual(16 / 9.0f, window.ViewportPixelSize.AspectRatio);
    var camera = new Camera2DScreenSpace(window) { Zoom = 2.0f };
    Assert.AreEqual(new Vector2D(0.25f, 0.359375f), camera.TopLeft);
    Assert.AreEqual(new Vector2D(0.75f, 0.640625f), camera.BottomRight);
    Assert.AreEqual(0.359375f, camera.Top, 0.0001f);
    Assert.AreEqual(0.25f, camera.Left, 0.0001f);
    Assert.AreEqual(0.640625f, camera.Bottom, 0.0001f);
    Assert.AreEqual(0.75f, camera.Right, 0.0001f);
}

[Test]
public void EdgesAfterZoomingIn()
{
    Assert.AreEqual(16 / 9.0f, window.ViewportPixelSize.AspectRatio);
    var camera = new Camera2DScreenSpace(window) { Zoom = 2.0f };
    Assert.AreEqual(new Vector2D(0.25f, 0.359375f), camera.TopLeft);
    Assert.AreEqual(new Vector2D(0.75f, 0.640625f), camera.BottomRight);
    Assert.AreEqual(0.359375f, camera.Top, 0.0001f);
    Assert.AreEqual(0.25f, camera.Left, 0.0001f);
    Assert.AreEqual(0.640625f, camera.Bottom, 0.0001f);
    Assert.AreEqual(0.75f, camera.Right, 0.0001f);
}

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[Test]
public void EdgesAfterPanningAndZooming()
{
    Assert.AreEqual(16 / 9.0f, window.ViewportPixelSize.AspectRatio);
    var camera = new Camera2DScreenSpace(window)
    {
        LookAt = new Vector2D(0.4f, 0.5f),
        Zoom = 0.5f
    };
    Assert.AreEqual(new Vector2D(-0.6f, -0.0625f), camera.TopLeft);
    Assert.AreEqual(new Vector2D(1.4f, 1.0625f), camera.BottomRight);
    Assert.AreEqual(-0.0625f, camera.Top, 0.0001f);
    Assert.AreEqual(-0.6f, camera.Left, 0.0001f);
    Assert.AreEqual(1.0625f, camera.Bottom, 0.0001f);
    Assert.AreEqual(1.4f, camera.Right, 0.0001f);
}

[Test]
public void EdgesAfterPanningAndZooming()
{
    Assert.AreEqual(16 / 9.0f, window.ViewportPixelSize.AspectRatio);
    var camera = new Camera2DScreenSpace(window)
    {
        LookAt = new Vector2D(0.4f, 0.5f),
        Zoom = 0.5f
    };
    Assert.AreEqual(new Vector2D(-0.6f, -0.0625f), camera.TopLeft);
    Assert.AreEqual(new Vector2D(1.4f, 1.0625f), camera.BottomRight);
    Assert.AreEqual(-0.0625f, camera.Top, 0.0001f);
    Assert.AreEqual(-0.6f, camera.Left, 0.0001f);
    Assert.AreEqual(1.0625f, camera.Bottom, 0.0001f);
    Assert.AreEqual(1.4f, camera.Right, 0.0001f);
}