Class Drawable

Represents a Component that can be painted.

Inheritance
object
IdentifiableObject
DependencyObject
AttachableObject
PrefabInstanceObject
Component
Drawable
Drawable3D
Implements
Inherited Members
Namespace: Evergine.Framework
Assembly: Evergine.Framework.dll
Syntax
public abstract class Drawable : Component, IDependencyObject

Constructors

Drawable()

Initializes a new instance of the Drawable class.

Declaration
public Drawable()

Properties

BoundingBox

Gets or sets the drawable bounding box.

Declaration
public BoundingBox? BoundingBox { get; protected set; }
Property Value
Type Description
BoundingBox?
Remarks

It is used in the culling phase. If you do not specify any BoundingBox, the drawable will not be culled.

DebugBoundingbox

Gets or sets a value indicating whether the bounding box is drawn.

Declaration
public bool DebugBoundingbox { get; set; }
Property Value
Type Description
bool

IsCullingEnabled

Gets or sets a value indicating whether culling is enabled.

Declaration
public bool IsCullingEnabled { get; set; }
Property Value
Type Description
bool

true if culling is enabled; otherwise, false.

OrderBias

Gets or sets the order bias of the material. This value is used to modify the rendering order of the mesh.

Declaration
[RenderPropertyAsInput(-512, 511, AsSlider = true, DesiredChange = 1, DesiredLargeChange = 5)]
public int OrderBias { get; set; }
Property Value
Type Description
int

RenderManager

Gets or sets the render manager.

Declaration
[BindSceneManager(false, true)]
public RenderManager RenderManager { get; set; }
Property Value
Type Description
RenderManager

Transform

Gets or sets the Transform component associated with the owner entity.

Declaration
[BindComponent(true, false, BindComponentSource.Owner, null, true)]
public Transform3D Transform { get; set; }
Property Value
Type Description
Transform3D

Methods

BaseDraw(DrawContext)

Allows performing custom drawing.

Declaration
public void BaseDraw(DrawContext drawContext)
Parameters
Type Name Description
DrawContext drawContext

The draw context.

Draw(DrawContext)

Allows custom drawing.

Declaration
public abstract void Draw(DrawContext drawContext)
Parameters
Type Name Description
DrawContext drawContext

The draw context.
Remarks

This method will only be called if all the following points are true:

  • The entity passes the culling test.
  • The parent of the owner Entity of the Drawable cascades its visibility to its children and is visible.
  • The Drawable is active.
  • The owner Entity of the Drawable is active and visible.

DrawDebugLines()

Helper method that draws debug lines.

Declaration
protected virtual void DrawDebugLines()
Remarks

This method will only work in debug mode and if RenderManager.DebugLines is set to true.

OnAttached()

Invoked when the object is attached to the system.

Declaration
protected override bool OnAttached()
Returns
Type Description
bool

True if everything is OK.
Overrides

OnDetach()

Invoked when the object is detached.

Declaration
protected override void OnDetach()
Overrides

UpdatePreWorldMatrix()

Updated the Pre World Matrix with the Word Matrix value. This operation must happen in the end of the each frame.

Declaration
public virtual void UpdatePreWorldMatrix()

Implements

Extension Methods