DFSpriteWidget class

精灵渲染控件(游戏主循环) 继承LeafRenderObjectWidget实现RenderBox可以使用canvas实现Widget

Inheritance

Constructors

DFSpriteWidget({required DFCamera camera, required dynamic onTimingsCallback(List<FrameTiming> timings)})
创建游戏控件

Properties

camera DFCamera
摄像机
final
children List<DFSprite>
游戏里的所有精灵
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onTimingsCallback → dynamic Function(List<FrameTiming> timings)
时间回调
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

addChild(DFSprite? sprite) → void
增加精灵 增加进来精灵才能被绘制
addChildren(List<DFSprite> sprites) → void
增加精灵 增加进来精灵才能被绘制
createElement() LeafRenderObjectElement
RenderObjectWidgets always inflate to a RenderObjectElement subclass.
inherited
createRenderObject(BuildContext context) RenderBox
创建GameRenderBox
override
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didUnmountRenderObject(covariant RenderObject renderObject) → void
A render object previously associated with this widget has been removed from the tree. The given RenderObject will be of the same type as returned by this object's createRenderObject.
inherited
insertChild(int index, DFSprite? sprite) → void
插入精灵 增加进来精灵才能被绘制
insertChildren(int index, List<DFSprite> sprites) → void
插入精灵 增加进来精灵才能被绘制
lifecycleStateChange(AppLifecycleState state) → void
生命周期发生变化
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
removeChild(DFSprite sprite) → void
删除精灵
render(Canvas canvas) → void
绘制界面
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object.
inherited
toStringShort() String
A short, textual description of this widget.
inherited
update(double dt) → void
更新界面
updateRenderObject(BuildContext context, covariant DFSpriteRenderBox renderObject) → void
设置Game到GameRenderBox
override

Operators

operator ==(Object other) bool
The equality operator.
inherited