LookAtCamera.Target Property

LookAtCamera Target Property

Delta Engine Documentation

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

Syntax

C++

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public override Vector3D Target { get; set; }

public override Vector3D Target { get; set; }

Public Overrides Property Target As Vector3D 
	Get 
	Set

Public Overrides Property Target As Vector3D 
	Get 
	Set

public:
virtual property Vector3D Target {
	Vector3D get () override;
	void set (Vector3D value) override;
}

public:
virtual property Vector3D Target {
	Vector3D get () override;
	void set (Vector3D value) override;
}

abstract Target : Vector3D with get, set 
override Target : Vector3D with get, set

abstract Target : Vector3D with get, set 
override Target : Vector3D with get, set

Property Value

Type: Vector3D

Remarks

Tests: DeltaEngine.Rendering3D.Tests.Cameras.LookAtCameraTests

Examples

6 unit tests call DeltaEngine.Rendering3D.Cameras.LookAtCamera.Target

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[Test, CloseAfterFirstFrame]
public void PositionToTargetDistance()
{
    var camera = CreateLookAtCamera(Vector3D.UnitZ * 5.0f, Vector3D.Zero);
    Assert.AreEqual(5.0f, camera.Position.Length - camera.Target.Length);
}

[Test, CloseAfterFirstFrame]
public void PositionToTargetDistance()
{
    var camera = CreateLookAtCamera(Vector3D.UnitZ * 5.0f, Vector3D.Zero);
    Assert.AreEqual(5.0f, camera.Position.Length - camera.Target.Length);
}

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[Test, CloseAfterFirstFrame]
public void RotateCamera90DegreesAroundZAxis()
{
    var camera = CreateLookAtCamera(Vector3D.UnitY, Vector3D.Zero);
    Assert.AreEqual(Vector3D.Zero, camera.YawPitchRoll);
    camera.YawPitchRoll = new Vector3D(90.0f, 0.0f, 0.0f);
    Assert.IsTrue(camera.Position.IsNearlyEqual(-Vector3D.UnitX));
    Assert.AreEqual(Vector3D.Zero, camera.Target);
}

[Test, CloseAfterFirstFrame]
public void RotateCamera90DegreesAroundZAxis()
{
    var camera = CreateLookAtCamera(Vector3D.UnitY, Vector3D.Zero);
    Assert.AreEqual(Vector3D.Zero, camera.YawPitchRoll);
    camera.YawPitchRoll = new Vector3D(90.0f, 0.0f, 0.0f);
    Assert.IsTrue(camera.Position.IsNearlyEqual(-Vector3D.UnitX));
    Assert.AreEqual(Vector3D.Zero, camera.Target);
}

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[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);
}