Camera2DScreenSpace.ToPixelSpace Method (Vector2D)

Camera2DScreenSpace ToPixelSpace Method (Vector2D)

Delta Engine Documentation

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

Syntax

public override Vector2D ToPixelSpace(
	Vector2D quadraticPos
)

public override Vector2D ToPixelSpace(
	Vector2D quadraticPos
)

Public Overrides Function ToPixelSpace ( 
	quadraticPos As Vector2D
) As Vector2D

Public Overrides Function ToPixelSpace ( 
	quadraticPos As Vector2D
) As Vector2D

public:
virtual Vector2D ToPixelSpace(
	Vector2D quadraticPos
) override

public:
virtual Vector2D ToPixelSpace(
	Vector2D quadraticPos
) override

abstract ToPixelSpace : 
        quadraticPos : Vector2D -> Vector2D 
override ToPixelSpace : 
        quadraticPos : Vector2D -> Vector2D

abstract ToPixelSpace : 
        quadraticPos : Vector2D -> Vector2D 
override ToPixelSpace : 
        quadraticPos : Vector2D -> Vector2D

Parameters

quadraticPos: Type: DeltaEngine.Datatypes Vector2D

Return Value

Type: Vector2D

Remarks

Tests: DeltaEngine.Tests.ScreenSpaces.Camera2DScreenSpaceTests

Examples

3 unit tests call DeltaEngine.ScreenSpaces.Camera2DScreenSpace.ToPixelSpace(DeltaEngine.Datatypes.Vector2D)

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[Test]
public void IfCameraNotAdjustedItBehavesIdenticallyToQuadraticScreenSpace()
{
    var q = new QuadraticScreenSpace(window);
    var c = new Camera2DScreenSpace(window);
    Assert.IsTrue(
        c.FromPixelSpace(new Vector2D(1, 2)).IsNearlyEqual(q.FromPixelSpace(new Vector2D(1, 2))));
    Assert.IsTrue(
        c.FromPixelSpace(new Size(-3, 4)).IsNearlyEqual(q.FromPixelSpace(new Size(-3, 4))));
    Assert.IsTrue(
        c.ToPixelSpace(new Vector2D(2, 6)).IsNearlyEqual(q.ToPixelSpace(new Vector2D(2, 6))));
    Assert.IsTrue(c.ToPixelSpace(new Size(-2, 0)).IsNearlyEqual(q.ToPixelSpace(new Size(-2, 0))));
}

[Test]
public void IfCameraNotAdjustedItBehavesIdenticallyToQuadraticScreenSpace()
{
    var q = new QuadraticScreenSpace(window);
    var c = new Camera2DScreenSpace(window);
    Assert.IsTrue(
        c.FromPixelSpace(new Vector2D(1, 2)).IsNearlyEqual(q.FromPixelSpace(new Vector2D(1, 2))));
    Assert.IsTrue(
        c.FromPixelSpace(new Size(-3, 4)).IsNearlyEqual(q.FromPixelSpace(new Size(-3, 4))));
    Assert.IsTrue(
        c.ToPixelSpace(new Vector2D(2, 6)).IsNearlyEqual(q.ToPixelSpace(new Vector2D(2, 6))));
    Assert.IsTrue(c.ToPixelSpace(new Size(-2, 0)).IsNearlyEqual(q.ToPixelSpace(new Size(-2, 0))));
}

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[Test]
public void ToPixelSpace()
{
    var quadraticSize = new Size(window.ViewportPixelSize.Width);
    var camera = new Camera2DScreenSpace(window)
    {
        LookAt = new Vector2D(-0.5f, 0.6f),
        Zoom = 2.0f
    };
    Assert.AreEqual(quadraticSize.Width * 1.5f, camera.ToPixelSpace(Vector2D.Zero).X);
    Assert.IsTrue(camera.ToPixelSpace(Vector2D.Half).IsNearlyEqual(new Vector2D(800, 26)));
    Assert.IsTrue(camera.ToPixelSpace(Vector2D.One).IsNearlyEqual(new Vector2D(1120, 346)));
    Assert.AreEqual(quadraticSize, camera.ToPixelSpace(Size.Half));
}

[Test]
public void ToPixelSpace()
{
    var quadraticSize = new Size(window.ViewportPixelSize.Width);
    var camera = new Camera2DScreenSpace(window)
    {
        LookAt = new Vector2D(-0.5f, 0.6f),
        Zoom = 2.0f
    };
    Assert.AreEqual(quadraticSize.Width * 1.5f, camera.ToPixelSpace(Vector2D.Zero).X);
    Assert.IsTrue(camera.ToPixelSpace(Vector2D.Half).IsNearlyEqual(new Vector2D(800, 26)));
    Assert.IsTrue(camera.ToPixelSpace(Vector2D.One).IsNearlyEqual(new Vector2D(1120, 346)));
    Assert.AreEqual(quadraticSize, camera.ToPixelSpace(Size.Half));
}

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[Test]
public void ToPixelSpaceWithRotation()
{
    var quadraticSize = new Size(window.ViewportPixelSize.Width);
    var camera = new Camera2DScreenSpace(window) { Rotation = 90.0f };
    Assert.AreEqual(0.0f, camera.ToPixelSpace(Vector2D.Zero).X);
    Assert.IsTrue(camera.ToPixelSpace(Vector2D.Half).IsNearlyEqual(new Vector2D(-160.0f, 90.0f)));
    Assert.IsTrue(
        camera.ToPixelSpace(Vector2D.One).IsNearlyEqual(new Vector2D(-320.0f, (160.0f + 90.0f))));
    Assert.AreEqual(quadraticSize, camera.ToPixelSpace(Size.One));
}

[Test]
public void ToPixelSpaceWithRotation()
{
    var quadraticSize = new Size(window.ViewportPixelSize.Width);
    var camera = new Camera2DScreenSpace(window) { Rotation = 90.0f };
    Assert.AreEqual(0.0f, camera.ToPixelSpace(Vector2D.Zero).X);
    Assert.IsTrue(camera.ToPixelSpace(Vector2D.Half).IsNearlyEqual(new Vector2D(-160.0f, 90.0f)));
    Assert.IsTrue(
        camera.ToPixelSpace(Vector2D.One).IsNearlyEqual(new Vector2D(-320.0f, (160.0f + 90.0f))));
    Assert.AreEqual(quadraticSize, camera.ToPixelSpace(Size.One));
}