Castle Game Engine

Class TRenderParams

Description
Hierarchy
Fields
Methods
Properties

Unit

CastleTransform

Declaration

type TRenderParams = class(TObject)

Description

Information that a TCastleTransform object needs to render. Read-only for TCastleTransform.LocalRender (except Statistics, which should be updated during rendering).

This is mostly an internal class.

You should not need to create it, you should not need to read anything inside or deal with this class otherwise, and actually you should not need to override TCastleTransform.LocalRender during normal engine usage. But it may be useful for special customized rendering.

Hierarchy

Overview

Fields

Public Transparent: boolean;
Public ShadowVolumesReceivers: set of Boolean;
Public InShadow: boolean;
Public StencilTest: Cardinal;
Public InternalPass: TInternalRenderingPass;
Public UserPass: TUserRenderingPass;
Public Transform: PMatrix4;
Public InverseTransform: PMatrix4;
Public TransformIdentity: boolean;
Public Statistics: TRenderStatistics;
Public GlobalFog: TAbstractFogNode;
Public Frustum: PFrustum;
Public RenderingCamera: TRenderingCamera;

Methods

Public constructor Create;
Public function BaseLights(Scene: TCastleTransform): TAbstractLightInstancesList; virtual; abstract;
Public function RenderTransform: TMatrix4; deprecated 'use Transform';
Public function RenderTransformIdentity: boolean; deprecated 'use TransformIdentity';

Description

Fields

Public Transparent: boolean;

Which parts should be rendered: opaque (False) or transparent (True). This should "filter" the rendered parts by TCastleTransform.LocalRender.

Public ShadowVolumesReceivers: set of Boolean;

Should we render parts that may receive shadow volumes, or ones that don't, or both. This should never be []. During rendering, simply check does it match TCastleScene.ReceiveShadowVolumes. This should "filter" the rendered parts by TCastleTransform.LocalRender.

Public InShadow: boolean;

If True, means that we're using multi-pass shadowing technique (like shadow volumes), and currently doing the "shadowed" pass.

Which means that most lights (ones with shadowVolumes = TRUE) should be turned off, see [https://castle-engine.io/x3d_extensions.php#section_ext_shadows].)

Public StencilTest: Cardinal;

Value > 0 means we're inside some stencil test (like for InShadow = False pass of shadow volumes).

Public InternalPass: TInternalRenderingPass;

Rendering pass number, for internal multi-pass rendering, like for shadow volumes.

Public UserPass: TUserRenderingPass;

Rendering pass number, for user purposes. Multiplied with InternalPass to get final pass number, that determines shaders used.

Public Transform: PMatrix4;

Transformation that should be applied to the rendered result. If TransformIdentity, then Transform and InverseTransform is always identity.

Public InverseTransform: PMatrix4;

Transformation that should be applied to the rendered result. If TransformIdentity, then Transform and InverseTransform is always identity.

Public TransformIdentity: boolean;
 
Public Statistics: TRenderStatistics;

Current rendering statistics, should be updated by each TCastleTransform.LocalRender call.

Public GlobalFog: TAbstractFogNode;

Fog that affects all scenes.

Public Frustum: PFrustum;

Camera frustum in local coordinates. Local for the TCastleTransform instance receiving this TRenderParams as TCastleTransform.LocalRender parameter.

Public RenderingCamera: TRenderingCamera;

Camera information for renderer.

Methods

Public constructor Create;
 
Public function BaseLights(Scene: TCastleTransform): TAbstractLightInstancesList; virtual; abstract;

Lights that shine on given 3D object.

Public function RenderTransform: TMatrix4; deprecated 'use Transform';

Warning: this symbol is deprecated: use Transform

 
Public function RenderTransformIdentity: boolean; deprecated 'use TransformIdentity';

Warning: this symbol is deprecated: use TransformIdentity

 
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