MouseZoomTrigger Class

Delta Engine Documentation

Inheritance Hierarchy

System Object
  DeltaEngine.Entities Entity
    DeltaEngine.Commands Trigger
      DeltaEngine.Commands InputTrigger
        DeltaEngine.Input MouseZoomTrigger

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

Syntax

C++

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public class MouseZoomTrigger : InputTrigger, 
	ZoomTrigger, MouseTrigger

public class MouseZoomTrigger : InputTrigger, 
	ZoomTrigger, MouseTrigger

Public Class MouseZoomTrigger 
	Inherits InputTrigger 
	Implements ZoomTrigger, MouseTrigger

Public Class MouseZoomTrigger 
	Inherits InputTrigger 
	Implements ZoomTrigger, MouseTrigger

public ref class MouseZoomTrigger : public InputTrigger, 
	ZoomTrigger, MouseTrigger

public ref class MouseZoomTrigger : public InputTrigger, 
	ZoomTrigger, MouseTrigger

type MouseZoomTrigger =  
    class 
        inherit InputTrigger 
        interface ZoomTrigger 
        interface MouseTrigger 
    end

type MouseZoomTrigger =  
    class 
        inherit InputTrigger 
        interface ZoomTrigger 
        interface MouseTrigger 
    end

The MouseZoomTrigger type exposes the following members.

Constructors

	Name	Description
	MouseZoomTrigger	Initializes a new instance of the MouseZoomTrigger class
	MouseZoomTrigger(Dictionary String, String )	Initializes a new instance of the MouseZoomTrigger class

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Methods

	Name	Description
	Add T	(Inherited from Entity.)
	AddTag	View code on GitHub (Inherited from Entity.)
	ClearTags	View code on GitHub (Inherited from Entity.)
	Contains T	(Inherited from Entity.)
	ContainsBehavior T	(Inherited from Entity.)
	ContainsTag	View code on GitHub (Inherited from Entity.)
	Deactivate	(Inherited from Entity.)
	Dispose	View code on GitHub (Inherited from Entity.)
	Get T	Gets a specific component, derived classes can return faster cached values (e.g. Entity2D) View code on GitHub (Inherited from Entity.)
	GetActiveBehaviors	(Inherited from Entity.)
	GetComponentsForSaving	(Inherited from Entity.)
	GetOrDefault T	(Inherited from Entity.)
	GetTags	View code on GitHub (Inherited from Entity.)
	HandleWithMouse
	Invoke	View code on GitHub (Inherited from Trigger.)
	Remove T	(Inherited from Entity.)
	RemoveTag	View code on GitHub (Inherited from Entity.)
	Set	View code on GitHub (Inherited from Entity.)
	SetComponents	(Inherited from Entity.)
	Start T	(Inherited from Entity.)
	StartInputDevice	(Overrides InputTrigger StartInputDevice .)
	Stop T	(Inherited from Entity.)
	ToString	View code on GitHub (Inherited from Entity.)
	Update	View code on GitHub (Inherited from Trigger.)

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Fields

	Name	Description
	components	(Inherited from Entity.)
	Invoked	(Inherited from Trigger.)

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Properties

	Name	Description
	IsActive	View code on GitHub (Inherited from Entity.)
	IsPauseable	View code on GitHub (Inherited from Trigger.)
	LastScrollWheelValue
	NumberOfComponents	View code on GitHub (Inherited from Entity.)
	UpdatePriority	View code on GitHub (Inherited from Entity.)
	WasInvokedThisTick	(Inherited from Trigger.)
	ZoomAmount

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Remarks

Tests: DeltaEngine.Input.Tests.MouseZoomTriggerTests

Examples

6 unit tests call DeltaEngine.Input.MouseZoomTrigger

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[Test]
public void ResizeEllipseByZoomTrigger()
{
    var ellipse = new Ellipse(Vector2D.Half, 0.1f, 0.1f, Color.Red);
    new Command(zoomAmount => { ellipse.Radius += zoomAmount * 0.02f; }).Add(
        new MouseZoomTrigger());
}

[Test]
public void ResizeEllipseByZoomTrigger()
{
    var ellipse = new Ellipse(Vector2D.Half, 0.1f, 0.1f, Color.Red);
    new Command(zoomAmount => { ellipse.Radius += zoomAmount * 0.02f; }).Add(
        new MouseZoomTrigger());
}

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[Test, CloseAfterFirstFrame]
public void EmptyMouseZoomTriggerShouldDoNothing()
{
    Assert.DoesNotThrow(() => new MouseZoomTrigger(new Dictionary<string, string>()));
}

[Test, CloseAfterFirstFrame]
public void EmptyMouseZoomTriggerShouldDoNothing()
{
    Assert.DoesNotThrow(() => new MouseZoomTrigger(new Dictionary<string, string>()));
}

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[Test, CloseAfterFirstFrame]
public void UsingParametersForMouseZoomTriggerShouldThrowException()
{
    Assert.Throws<MouseZoomTrigger.MouseZoomTriggerHasNoParameters>(
        () => new MouseZoomTrigger(new Dictionary<string, string> { { "Bla", "DeltaEngine" } }));
}

[Test, CloseAfterFirstFrame]
public void UsingParametersForMouseZoomTriggerShouldThrowException()
{
    Assert.Throws<MouseZoomTrigger.MouseZoomTriggerHasNoParameters>(
        () => new MouseZoomTrigger(new Dictionary<string, string> { { "Bla", "DeltaEngine" } }));
}