Class TMaterialInfo

Unit

X3DNodes

Declaration

type TMaterialInfo = class abstract(TObject)

Description

Abstract class for material information, that define material properties for various lighting equations. Particular public descendants define different lighting equations. Particular private descendants map X3D nodes' fields to these parameters.

Hierarchy

• TObject
• TMaterialInfo

Overview

Fields

nested const DefaultTransparency = 0.0;

Methods

	constructor Create(ANode: TX3DNode);
	function EmissiveColor: TVector3; virtual; abstract;
	function Transparency: Single; virtual; abstract;
	function Opacity: Single;
	function MainColor: TVector3; virtual; abstract;

Properties

property Node: TX3DNode read FNode;

Description

Fields

	nested const DefaultTransparency = 0.0;

Methods

	constructor Create(ANode: TX3DNode);

	function EmissiveColor: TVector3; virtual; abstract;

	function Transparency: Single; virtual; abstract;

	function Opacity: Single;
Opacity is just 1 - Transparency.

	function MainColor: TVector3; virtual; abstract;
If it is necessary to approximate the material by a single color, use this color. This is useful for debug purposes, for example when we force everything to be unlit by Attributes.Lighting=false. It doesn't follow any X3D official equations, it's only for debugging.

Properties

	property Node: TX3DNode read FNode;
Associated material node.

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