Class TAbstractPointingDeviceSensorNode
Unit
Declaration
type TAbstractPointingDeviceSensorNode = class(TAbstractSensorNode)
Description
Base type for all pointing device sensors.
Hierarchy
- TObject
- TPersistent
- TX3DFileItem
- TX3DNode
- TAbstractNode
- TAbstractChildNode
- TAbstractSensorNode
- TAbstractPointingDeviceSensorNode
Overview
Methods
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procedure GroupBeforeTraverse(const State: TX3DGraphTraverseState; var WasPointingDeviceSensor: Boolean); override; |
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procedure Activate(const Time: TX3DTime; const ATransform, AInvertedTransform: TMatrix4; const OverPoint: TVector3); virtual; |
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procedure Deactivate(const Time: TX3DTime); virtual; |
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procedure CreateNode; override; |
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class function ClassX3DType: string; override; |
Properties
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property EventIsOver: TSFBoolEvent read FEventIsOver; |
Description
Methods
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procedure GroupBeforeTraverse(const State: TX3DGraphTraverseState; var WasPointingDeviceSensor: Boolean); override; |
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This item has no description. Showing description inherited from TX3DNode.GroupBeforeTraverse. React when this node is processed as an immediate child of a grouping node, within grouping node's BeforeTraverse. | |
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procedure Activate(const Time: TX3DTime; const ATransform, AInvertedTransform: TMatrix4; const OverPoint: TVector3); virtual; |
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OverPoint indicates 3D point (in global, that is TCastleSceneCore, coordinates) pointed by the mouse. In TAbstractPointingDeviceSensorNode class, this simply sends isActive := TRUE event. | |
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procedure Deactivate(const Time: TX3DTime); virtual; |
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In TAbstractPointingDeviceSensorNode class, this simply sends isActive := FALSE event. | |
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procedure CreateNode; override; |
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Create node fields and events. | |
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class function ClassX3DType: string; override; |
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This item has no description. Showing description inherited from TX3DNode.ClassX3DType. Node type name in VRML/X3D, for this class. Normal VRML/X3D node classes should override this to return something non-empty, and then X3DType automatically will return the same value. Empty for classes that don't have a hardcoded VRML/X3D node name, like a special TX3DUnknownNode. Such special classes should override then X3DType to return actual non-empty name there. You usually should call X3DType. The only use of this method is that it works on classes (it's "class function"), without needing at actual instance. | |
Properties
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property EventIsOver: TSFBoolEvent read FEventIsOver; |
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This item has no description. | |
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