TouchDragTrigger ClassDelta Engine Documentation
Allows a touch drag to be detected. View code on GitHub
Inheritance Hierarchy

System Object
  DeltaEngine.Entities Entity
    DeltaEngine.Commands Trigger
      DeltaEngine.Commands InputTrigger
        DeltaEngine.Commands DragTrigger
          DeltaEngine.Input TouchDragTrigger

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

public class TouchDragTrigger : DragTrigger, 
	TouchTrigger

The TouchDragTrigger type exposes the following members.

Constructors

  NameDescription
Public methodTouchDragTrigger(Dictionary String, String )
Initializes a new instance of the TouchDragTrigger class
Public methodTouchDragTrigger(DragDirection)
Initializes a new instance of the TouchDragTrigger class
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Methods

  NameDescription
Public methodAdd T  (Inherited from Entity.)
Public methodAddTag (Inherited from Entity.)
Public methodClearTags (Inherited from Entity.)
Public methodContains T  (Inherited from Entity.)
Public methodContainsBehavior T  (Inherited from Entity.)
Public methodContainsTag (Inherited from Entity.)
Protected methodDeactivate (Inherited from Entity.)
Public methodDispose (Inherited from Entity.)
Public methodGet T 
Gets a specific component, derived classes can return faster cached values (e.g. Entity2D) View code on GitHub
(Inherited from Entity.)
Protected methodGetActiveBehaviors (Inherited from Entity.)
Protected methodGetComponentsForSaving (Inherited from Entity.)
Public methodGetOrDefault T  (Inherited from Entity.)
Public methodGetTags (Inherited from Entity.)
Public methodHandleWithTouch
Public methodInvoke (Inherited from Trigger.)
Protected methodIsDragDirectionCorrect (Inherited from DragTrigger.)
Public methodRemove T  (Inherited from Entity.)
Public methodRemoveTag (Inherited from Entity.)
Public methodSet (Inherited from Entity.)
Public methodSetComponents (Inherited from Entity.)
Public methodStart T  (Inherited from Entity.)
Protected methodStartInputDevice (Overrides InputTrigger StartInputDevice .)
Public methodStop T  (Inherited from Entity.)
Public methodToString (Inherited from Entity.)
Public methodUpdate (Inherited from Trigger.)
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Fields

  NameDescription
Protected fieldcomponents (Inherited from Entity.)
Public fieldInvoked (Inherited from Trigger.)
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Properties

  NameDescription
Public propertyDirection (Inherited from DragTrigger.)
Public propertyDoneDragging (Inherited from DragTrigger.)
Public propertyIsActive (Inherited from Entity.)
Public propertyIsPauseable (Inherited from Trigger.)
Public propertyMovement (Inherited from DragTrigger.)
Public propertyNumberOfComponents (Inherited from Entity.)
Public propertyStartPosition (Inherited from DragTrigger.)
Public propertyUpdatePriority (Inherited from Entity.)
Public propertyWasInvokedThisTick (Inherited from Trigger.)
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Remarks

Tests: DeltaEngine.Input.Tests.TouchDragTriggerTests
Examples

6 unit tests call DeltaEngine.Input.TouchDragTrigger
[Test]
public void DragTouchToCreateRectangles()
{
    MouseDragTriggerTests.DragToCreateRectangles(new TouchDragTrigger());
}
[Test, CloseAfterFirstFrame]
public void DragTouch()
{
    if (touch == null)
        return; //ncrunch: no coverage 
    bool isFinished = false;
    new Command((start, end, done) => isFinished = done).Add(new TouchDragTrigger());
    SetTouchState(State.Pressing, Vector2D.Zero);
    SetTouchState(State.Pressed, Vector2D.One);
    SetTouchState(State.Releasing, Vector2D.One);
    Assert.IsTrue(isFinished);
}
[Test, CloseAfterFirstFrame]
public void IfDistanceIsToSmallNothingWillHappen()
{
    if (touch == null)
        return; //ncrunch: no coverage 
    bool isFinished = false;
    new Command((start, end, done) => isFinished = done).Add(new TouchDragTrigger());
    SetTouchState(State.Pressing, Vector2D.Zero);
    SetTouchState(State.Pressed, Vector2D.Zero);
    SetTouchState(State.Releasing, Vector2D.Zero);
    Assert.False(isFinished);
}
See Also