Camera2DScreenSpace.Zoom Property

Camera2DScreenSpace Zoom Property

Delta Engine Documentation

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

Syntax

public float Zoom { get; set; }

public float Zoom { get; set; }

Public Property Zoom As Single 
	Get 
	Set

Public Property Zoom As Single 
	Get 
	Set

public:
property float Zoom {
	float get ();
	void set (float value);
}

public:
property float Zoom {
	float get ();
	void set (float value);
}

member Zoom : float32 with get, set

member Zoom : float32 with get, set

Property Value

Type: Single

Remarks

Tests: DeltaEngine.Tests.ScreenSpaces.Camera2DScreenSpaceTests

Examples

3 unit tests call DeltaEngine.ScreenSpaces.Camera2DScreenSpace.Zoom

Copy to Clipboard Print

[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);
}

Copy to Clipboard Print

[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);
}

Copy to Clipboard Print

[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);
}