Class TGeneratedTextureFunctionality
Unit
Declaration
type TGeneratedTextureFunctionality = class(TNodeFunctionality)
Description
Functionality for all X3D nodes that represent generated textures.
Hierarchy
- TObject
- TNodeFunctionality
- TGeneratedTextureFunctionality
Overview
Fields
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InternalLastStateId: TFrameId; |
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InternalUpdateNeeded: boolean; |
Methods
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function GetUpdate: TTextureUpdate; virtual; abstract; |
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procedure SetUpdate(const Value: TTextureUpdate); virtual; abstract; |
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constructor Create(const TextureNode: TAbstractTextureNode); |
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function NeedsUpdate: Boolean; |
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procedure PostUpdate; |
Properties
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property Update: TTextureUpdate read GetUpdate write SetUpdate; |
Description
Fields
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InternalLastStateId: TFrameId; |
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Used by TCastleScene to track when to set InternalUpdateNeeded. | |
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InternalUpdateNeeded: boolean; |
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When Update is upAlways, you can check this to know if really something visible changed since last update. If not, then you do not have to update the texture — no point, since it would look exactly like the current one. TCastleScene takes care to set this field. After each actual update of the texture, it's set to | |
Methods
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function GetUpdate: TTextureUpdate; virtual; abstract; |
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This item has no description. | |
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procedure SetUpdate(const Value: TTextureUpdate); virtual; abstract; |
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This item has no description. | |
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constructor Create(const TextureNode: TAbstractTextureNode); |
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This item has no description. | |
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function NeedsUpdate: Boolean; |
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Depending on Update, decide whether we need updating. | |
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procedure PostUpdate; |
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Call after NeedsUpdate returned | |
Properties
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property Update: TTextureUpdate read GetUpdate write SetUpdate; |
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This item has no description. | |
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