Class TAbstractPointingDeviceSensorNode

Fields

Unit

type TAbstractPointingDeviceSensorNode = class(TAbstractSensorNode)

Base type for all pointing device sensors.

	`procedure GroupBeforeTraverse(const State: TX3DGraphTraverseState; var WasPointingDeviceSensor: Boolean); override;`
	`procedure Activate(const Time: TX3DTime; const ATransform, AInvertedTransform: TMatrix4; const OverPoint: TVector3); virtual;`
	`procedure Deactivate(const Time: TX3DTime); virtual;`
	`procedure CreateNode; override;`
	`class function ClassX3DType: string; override;`

	`property FdDescription: TSFString read FFdDescription;`
	`property Description: String read GetDescription write SetDescription;`
	`property EventIsOver: TSFBoolEvent read FEventIsOver;`

	`procedure GroupBeforeTraverse(const State: TX3DGraphTraverseState; var WasPointingDeviceSensor: Boolean); override;`

procedure Activate(const Time: TX3DTime; const ATransform, AInvertedTransform: TMatrix4; const OverPoint: TVector3); virtual;

Activate pointing device sensor. Used by the events engine (like TCastleSceneCore) to notify this sensor.

OverPoint indicates 3D point (in global, that is TCastleSceneCore, coordinates) pointed by the mouse.

In TAbstractPointingDeviceSensorNode class, this simply sends isActive := TRUE event.

procedure Deactivate(const Time: TX3DTime); virtual;

Deactivate pointing device sensor. Used by the events engine (like TCastleSceneCore) to notify this sensor.

In TAbstractPointingDeviceSensorNode class, this simply sends isActive := FALSE event.

	`procedure CreateNode; override;`

	`class function ClassX3DType: string; override;`

	`property FdDescription: TSFString read FFdDescription;`
Internal wrapper for property Description. This wrapper API may change, we advise to access simpler Description instead.

	`property Description: String read GetDescription write SetDescription;`

	`property EventIsOver: TSFBoolEvent read FEventIsOver;`

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