LookAtCamera.Zoom Method

LookAtCamera Zoom Method

Delta Engine Documentation

Namespace: DeltaEngine.Rendering3D.Cameras
Assembly: DeltaEngine.Rendering3D (in DeltaEngine.Rendering3D.dll) Version: 1.1.1.0 (1.1.1)

Syntax

C++

Copy to Clipboard Print

public void Zoom(
	float amount
)

public void Zoom(
	float amount
)

Public Sub Zoom ( 
	amount As Single
)

Public Sub Zoom ( 
	amount As Single
)

public:
void Zoom(
	float amount
)

public:
void Zoom(
	float amount
)

member Zoom : 
        amount : float32 -> unit

member Zoom : 
        amount : float32 -> unit

Parameters

amount: Type: System Single

Remarks

Tests: DeltaEngine.Rendering3D.Tests.Cameras.LookAtCameraTests

Examples

3 unit tests call DeltaEngine.Rendering3D.Cameras.LookAtCamera.Zoom(System.Single)

Copy to Clipboard Print

[Test, CloseAfterFirstFrame]
public void ZoomTowardTheTarget()
{
    var camera = CreateLookAtCamera(Vector3D.UnitX * 2.0f, Vector3D.Zero);
    camera.Zoom(1.0f);
    Assert.AreEqual(Vector3D.UnitX, camera.Position);
}

[Test, CloseAfterFirstFrame]
public void ZoomTowardTheTarget()
{
    var camera = CreateLookAtCamera(Vector3D.UnitX * 2.0f, Vector3D.Zero);
    camera.Zoom(1.0f);
    Assert.AreEqual(Vector3D.UnitX, camera.Position);
}

Copy to Clipboard Print

[Test, CloseAfterFirstFrame]
public void ZoomOutwardTheTarget()
{
    var camera = CreateLookAtCamera(Vector3D.UnitX, Vector3D.Zero);
    camera.Zoom(-1.0f);
    Assert.AreEqual(Vector3D.UnitX * 2.0f, camera.Position);
}

[Test, CloseAfterFirstFrame]
public void ZoomOutwardTheTarget()
{
    var camera = CreateLookAtCamera(Vector3D.UnitX, Vector3D.Zero);
    camera.Zoom(-1.0f);
    Assert.AreEqual(Vector3D.UnitX * 2.0f, camera.Position);
}

Copy to Clipboard Print

[Test, CloseAfterFirstFrame]
public void OverZoomTowardTheTarget()
{
    var camera = CreateLookAtCamera(Vector3D.UnitX * 3.0f, Vector3D.Zero);
    camera.Zoom(100.0f);
    Assert.IsTrue(camera.Position.IsNearlyEqual(Vector3D.Zero));
}

[Test, CloseAfterFirstFrame]
public void OverZoomTowardTheTarget()
{
    var camera = CreateLookAtCamera(Vector3D.UnitX * 3.0f, Vector3D.Zero);
    camera.Zoom(100.0f);
    Assert.IsTrue(camera.Position.IsNearlyEqual(Vector3D.Zero));
}