QuadraticScreenSpace Class

Delta Engine Documentation

Converts to and from quadratic space. https://deltaengine.net/Learn/ScreenSpace View code on GitHub

Inheritance Hierarchy

System Object
  DeltaEngine.ScreenSpaces ScreenSpace
    DeltaEngine.ScreenSpaces QuadraticScreenSpace
      DeltaEngine.Editor.UIEditor SceneScreenSpace
      DeltaEngine.ScreenSpaces Camera2DScreenSpace

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

Syntax

C++

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public class QuadraticScreenSpace : ScreenSpace

public class QuadraticScreenSpace : ScreenSpace

Public Class QuadraticScreenSpace 
	Inherits ScreenSpace

Public Class QuadraticScreenSpace 
	Inherits ScreenSpace

public ref class QuadraticScreenSpace : public ScreenSpace

public ref class QuadraticScreenSpace : public ScreenSpace

type QuadraticScreenSpace =  
    class 
        inherit ScreenSpace 
    end

type QuadraticScreenSpace =  
    class 
        inherit ScreenSpace 
    end

The QuadraticScreenSpace type exposes the following members.

Constructors

	Name	Description
	QuadraticScreenSpace	Initializes a new instance of the QuadraticScreenSpace class

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Methods

	Name	Description
	Dispose	(Inherited from ScreenSpace.)
	FromPixelSpace(Rectangle)	View code on GitHub (Inherited from ScreenSpace.)
	FromPixelSpace(Size)	View code on GitHub (Overrides ScreenSpace FromPixelSpace(Size).)
	FromPixelSpace(Vector2D)	View code on GitHub (Overrides ScreenSpace FromPixelSpace(Vector2D).)
	GetInnerPosition	(Overrides ScreenSpace GetInnerPosition(Vector2D).)
	RaiseViewportSizeChanged	(Inherited from ScreenSpace.)
	ToPixelSpace(Rectangle)	View code on GitHub (Inherited from ScreenSpace.)
	ToPixelSpace(Size)	(Overrides ScreenSpace ToPixelSpace(Size).)
	ToPixelSpace(Vector2D)	(Overrides ScreenSpace ToPixelSpace(Vector2D).)
	ToPixelSpaceRounded	The rounded version of ToPixelSpace is used for lines, boxes and fonts where it matters to actually render at exact pixel positions to get sharp lines, boxes or font rendering. View code on GitHub (Inherited from ScreenSpace.)
	Update	(Overrides ScreenSpace Update(Size).)

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Fields

	Name	Description
	viewportPixelSize	(Inherited from ScreenSpace.)

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Properties

	Name	Description
	AspectRatio	View code on GitHub (Inherited from ScreenSpace.)
	Bottom	View code on GitHub (Overrides ScreenSpace Bottom.)
	BottomRight	View code on GitHub (Overrides ScreenSpace BottomRight.)
	Left	(Overrides ScreenSpace Left.)
	Right	View code on GitHub (Overrides ScreenSpace Right.)
	Top	(Overrides ScreenSpace Top.)
	TopLeft	View code on GitHub (Overrides ScreenSpace TopLeft.)
	Viewport	View code on GitHub (Inherited from ScreenSpace.)

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Events

	Name	Description
	ViewportSizeChanged	(Inherited from ScreenSpace.)

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Remarks

Tests: DeltaEngine.Tests.ScreenSpaces.QuadraticScreenSpaceTests

Examples

12 unit tests call DeltaEngine.ScreenSpaces.QuadraticScreenSpace

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[Test]
public void SquareWindowWithQuadraticSpace()
{
    ScreenSpace.Current = new QuadraticScreenSpace(window);
    window.ViewportPixelSize = new Size(100, 100);
    Assert.AreEqual(Vector2D.Zero, ScreenSpace.Current.TopLeft);
    Assert.AreEqual(Vector2D.One, ScreenSpace.Current.BottomRight);
    Assert.AreEqual(Rectangle.One, ScreenSpace.Current.Viewport);
    Assert.AreEqual(Vector2D.One, ScreenSpace.Current.FromPixelSpace(new Vector2D(100, 100)));
    Assert.AreEqual(Vector2D.Half, ScreenSpace.Current.FromPixelSpace(new Vector2D(50, 50)));
    Assert.IsTrue(
        ScreenSpace.Current.FromPixelSpace(new Rectangle(10, 10, 80, 80)).IsNearlyEqual(
            new Rectangle(0.1f, 0.1f, 0.8f, 0.8f)));
}

[Test]
public void SquareWindowWithQuadraticSpace()
{
    ScreenSpace.Current = new QuadraticScreenSpace(window);
    window.ViewportPixelSize = new Size(100, 100);
    Assert.AreEqual(Vector2D.Zero, ScreenSpace.Current.TopLeft);
    Assert.AreEqual(Vector2D.One, ScreenSpace.Current.BottomRight);
    Assert.AreEqual(Rectangle.One, ScreenSpace.Current.Viewport);
    Assert.AreEqual(Vector2D.One, ScreenSpace.Current.FromPixelSpace(new Vector2D(100, 100)));
    Assert.AreEqual(Vector2D.Half, ScreenSpace.Current.FromPixelSpace(new Vector2D(50, 50)));
    Assert.IsTrue(
        ScreenSpace.Current.FromPixelSpace(new Rectangle(10, 10, 80, 80)).IsNearlyEqual(
            new Rectangle(0.1f, 0.1f, 0.8f, 0.8f)));
}

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[Test]
public void ToQuadraticWithUnevenSize()
{
    window.ViewportPixelSize = new Size(99, 199);
    var screen = new QuadraticScreenSpace(window);
    Assert.AreEqual(new Vector2D(0.2512563f, 0), screen.TopLeft);
    Assert.AreEqual(new Vector2D(0.7487437f, 1), screen.BottomRight);
    Assert.AreEqual(screen.BottomRight, screen.FromPixelSpace(new Vector2D(99, 199)));
}

[Test]
public void ToQuadraticWithUnevenSize()
{
    window.ViewportPixelSize = new Size(99, 199);
    var screen = new QuadraticScreenSpace(window);
    Assert.AreEqual(new Vector2D(0.2512563f, 0), screen.TopLeft);
    Assert.AreEqual(new Vector2D(0.7487437f, 1), screen.BottomRight);
    Assert.AreEqual(screen.BottomRight, screen.FromPixelSpace(new Vector2D(99, 199)));
}

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[Test]
public void ToQuadraticWithNonSquareWindow()
{
    window.ViewportPixelSize = new Size(100, 75);
    var screen = new QuadraticScreenSpace(window);
    Assert.AreEqual(0, screen.Left);
    Assert.AreEqual(0.125f, screen.Top);
    Assert.AreEqual(1, screen.Right);
    Assert.AreEqual(0.875f, screen.Bottom);
    Assert.AreEqual(new Rectangle(0, 0.125f, 1, 0.75f), screen.Viewport);
    Assert.AreEqual(new Vector2D(1f, 0.875f), screen.FromPixelSpace(new Vector2D(100, 75)));
    Assert.AreEqual(Vector2D.Half, screen.FromPixelSpace(new Vector2D(50, 37.5f)));
    Assert.IsTrue(screen.FromPixelSpace(new Size(10, 10)).IsNearlyEqual(new Size(0.1f, 0.1f)));
}

[Test]
public void ToQuadraticWithNonSquareWindow()
{
    window.ViewportPixelSize = new Size(100, 75);
    var screen = new QuadraticScreenSpace(window);
    Assert.AreEqual(0, screen.Left);
    Assert.AreEqual(0.125f, screen.Top);
    Assert.AreEqual(1, screen.Right);
    Assert.AreEqual(0.875f, screen.Bottom);
    Assert.AreEqual(new Rectangle(0, 0.125f, 1, 0.75f), screen.Viewport);
    Assert.AreEqual(new Vector2D(1f, 0.875f), screen.FromPixelSpace(new Vector2D(100, 75)));
    Assert.AreEqual(Vector2D.Half, screen.FromPixelSpace(new Vector2D(50, 37.5f)));
    Assert.IsTrue(screen.FromPixelSpace(new Size(10, 10)).IsNearlyEqual(new Size(0.1f, 0.1f)));
}