Class BaseRenderer`Abstract`

Abstract base renderer class implementing common functionality 实现通用功能的抽象基础渲染器类

Hierarchy (View Summary)

BaseRenderer
- BaseDebugRenderer
- BaseGameRenderer

Implements

IRenderer

Index

Constructors

constructor

Properties

currentRenderState currentTransform frameStartTime renderStateStack statistics transformStack viewport

Constructors

constructor

new BaseRenderer(): BaseRenderer
Returns BaseRenderer

Properties

`Protected`currentRenderState

currentRenderState: RenderState = ...

`Protected`currentTransform

currentTransform: Transform2D = ...

`Protected`frameStartTime

frameStartTime: number = 0

`Protected`renderStateStack

renderStateStack: RenderState[] = []

`Protected`statistics

statistics: RenderStatistics = ...

`Protected`transformStack

transformStack: Transform2D[] = []

`Protected`viewport

viewport: Viewport = ...

Methods

`Protected` `Abstract`applyTransform

applyTransform(transform: Transform2D): void
Parameters
- transform: Transform2D
Returns void
- Defined in base/BaseRenderer.ts:268

beginFrame

beginFrame(): void
Begin a new frame - call this before any drawing operations 开始新帧 - 在任何绘制操作之前调用

Returns void
Implementation of IRenderer.beginFrame
- Defined in base/BaseRenderer.ts:48

clear

clear(color?: Color): void
Clear the current render target 清除当前渲染目标
Parameters
- color: Color = ColorUtils.BLACK
Returns void
Implementation of IRenderer.clear
- Defined in base/BaseRenderer.ts:59

`Abstract`dispose

dispose(): void
Dispose of renderer resources 释放渲染器资源

Returns void
Implementation of IRenderer.dispose
- Defined in base/BaseRenderer.ts:63

drawCircle

drawCircle(center: FixedVector2, radius: Fixed, style: ShapeStyle): void
Draw a circle at the specified center with given radius 在指定中心绘制给定半径的圆
Parameters
- center: FixedVector2
- radius: Fixed
- style: ShapeStyle
Returns void
Implementation of IRenderer.drawCircle
- Defined in base/BaseRenderer.ts:98

drawEllipse

drawEllipse(bounds: FixedRect, style: ShapeStyle): void
Draw an ellipse within the specified bounds 在指定边界内绘制椭圆
Parameters
- bounds: FixedRect
- style: ShapeStyle
Returns void
Implementation of IRenderer.drawEllipse
- Defined in base/BaseRenderer.ts:115

drawLine

drawLine(start: FixedVector2, end: FixedVector2, style: LineStyle): void
Draw a line between two points 在两点之间绘制线条
Parameters
- start: FixedVector2
- end: FixedVector2
- style: LineStyle
Returns void
Implementation of IRenderer.drawLine
- Defined in base/BaseRenderer.ts:93

drawPolygon

drawPolygon(vertices: FixedVector2[], style: ShapeStyle): void
Draw a polygon defined by vertices 绘制由顶点定义的多边形
Parameters
- vertices: FixedVector2[]
- style: ShapeStyle
Returns void
Implementation of IRenderer.drawPolygon
- Defined in base/BaseRenderer.ts:108

drawRect

drawRect(bounds: FixedRect, style: ShapeStyle): void
Draw a rectangle with the specified bounds 绘制指定边界的矩形
Parameters
- bounds: FixedRect
- style: ShapeStyle
Returns void
Implementation of IRenderer.drawRect
- Defined in base/BaseRenderer.ts:103

drawText

drawText(text: string, position: FixedVector2, style: TextStyle): void
Draw text at the specified position 在指定位置绘制文本
Parameters
- text: string
- position: FixedVector2
- style: TextStyle
Returns void
Implementation of IRenderer.drawText
- Defined in base/BaseRenderer.ts:123

drawTexture

drawTexture(
    texture: ITexture,
    position: FixedVector2,
    style?: TextureStyle,
): void
Draw a texture at the specified position 在指定位置绘制纹理
Parameters
- texture: ITexture
- position: FixedVector2
- Optionalstyle: TextureStyle
Returns void
Implementation of IRenderer.drawTexture
- Defined in base/BaseRenderer.ts:135

drawTextureRegion

drawTextureRegion(
    texture: ITexture,
    sourceRect: FixedRect,
    destRect: FixedRect,
    style?: TextureStyle,
): void
Draw a portion of a texture (sprite from atlas) 绘制纹理的一部分（从图集中的精灵）
Parameters
- texture: ITexture
- sourceRect: FixedRect
- destRect: FixedRect
- Optionalstyle: TextureStyle
Returns void
Implementation of IRenderer.drawTextureRegion
- Defined in base/BaseRenderer.ts:141

endFrame

endFrame(): void
End the current frame and present to screen 结束当前帧并呈现到屏幕

Returns void
Implementation of IRenderer.endFrame
- Defined in base/BaseRenderer.ts:54

getCurrentTransform

getCurrentTransform(): Transform2D
Get the current combined transform 获取当前组合变换

Returns Transform2D
Implementation of IRenderer.getCurrentTransform
- Defined in base/BaseRenderer.ts:86

getRendererInfo

getRendererInfo(): {
    capabilities: string[];
    name: string;
    vendor?: string;
    version: string;
}
Get renderer information 获取渲染器信息

Returns { capabilities: string[]; name: string; vendor?: string; version: string }
Implementation of IRenderer.getRendererInfo
- Defined in base/BaseRenderer.ts:217

getRenderState

getRenderState(): RenderState
Get the current render state 获取当前渲染状态

Returns RenderState
Implementation of IRenderer.getRenderState
- Defined in base/BaseRenderer.ts:166

`Abstract`getRenderTarget

getRenderTarget(): unknown
Get the current render target 获取当前渲染目标

Returns unknown
Implementation of IRenderer.getRenderTarget
- Defined in base/BaseRenderer.ts:155

getStatistics

getStatistics(): RenderStatistics
Get rendering statistics for the current frame 获取当前帧的渲染统计信息

Returns RenderStatistics
Implementation of IRenderer.getStatistics
- Defined in base/BaseRenderer.ts:196

`Protected`getViewBounds

getViewBounds(): FixedRect
Returns FixedRect
- Defined in base/BaseRenderer.ts:241

getViewport

getViewport(): Viewport
Get the current viewport 获取当前视口

Returns Viewport
Implementation of IRenderer.getViewport
- Defined in base/BaseRenderer.ts:189

`Protected`incrementDrawCall

incrementDrawCall(): void
Returns void
- Defined in base/BaseRenderer.ts:229

`Protected`incrementTextureBinding

incrementTextureBinding(): void
Returns void
- Defined in base/BaseRenderer.ts:233

measureText

measureText(text: string, style: TextStyle): FixedVector2
Measure text dimensions without drawing 测量文本尺寸而不绘制
Parameters
- text: string
- style: TextStyle
Returns FixedVector2
Implementation of IRenderer.measureText
- Defined in base/BaseRenderer.ts:128

`Protected` `Abstract`onBeginFrame

onBeginFrame(): void
Returns void
- Defined in base/BaseRenderer.ts:264

`Protected` `Abstract`onClear

onClear(color: Color): void
Parameters
- color: Color
Returns void
- Defined in base/BaseRenderer.ts:266

`Protected` `Abstract`onDrawCircle

onDrawCircle(center: FixedVector2, radius: Fixed, style: ShapeStyle): void
Parameters
- center: FixedVector2
- radius: Fixed
- style: ShapeStyle
Returns void
- Defined in base/BaseRenderer.ts:270

`Protected` `Abstract`onDrawEllipse

onDrawEllipse(bounds: FixedRect, style: ShapeStyle): void
Parameters
- bounds: FixedRect
- style: ShapeStyle
Returns void
- Defined in base/BaseRenderer.ts:273

`Protected` `Abstract`onDrawLine

onDrawLine(start: FixedVector2, end: FixedVector2, style: LineStyle): void
Parameters
- start: FixedVector2
- end: FixedVector2
- style: LineStyle
Returns void
- Defined in base/BaseRenderer.ts:269

`Protected` `Abstract`onDrawPolygon

onDrawPolygon(vertices: FixedVector2[], style: ShapeStyle): void
Parameters
- vertices: FixedVector2[]
- style: ShapeStyle
Returns void
- Defined in base/BaseRenderer.ts:272

`Protected` `Abstract`onDrawRect

onDrawRect(bounds: FixedRect, style: ShapeStyle): void
Parameters
- bounds: FixedRect
- style: ShapeStyle
Returns void
- Defined in base/BaseRenderer.ts:271

`Protected` `Abstract`onDrawText

onDrawText(text: string, position: FixedVector2, style: TextStyle): void
Parameters
- text: string
- position: FixedVector2
- style: TextStyle
Returns void
- Defined in base/BaseRenderer.ts:274

`Protected` `Abstract`onDrawTexture

onDrawTexture(
    texture: ITexture,
    position: FixedVector2,
    style?: TextureStyle,
): void
Parameters
- texture: ITexture
- position: FixedVector2
- Optionalstyle: TextureStyle
Returns void
- Defined in base/BaseRenderer.ts:276

`Protected` `Abstract`onDrawTextureRegion

onDrawTextureRegion(
    texture: ITexture,
    sourceRect: FixedRect,
    destRect: FixedRect,
    style?: TextureStyle,
): void
Parameters
- texture: ITexture
- sourceRect: FixedRect
- destRect: FixedRect
- Optionalstyle: TextureStyle
Returns void
- Defined in base/BaseRenderer.ts:277

`Protected` `Abstract`onEndFrame

onEndFrame(): void
Returns void
- Defined in base/BaseRenderer.ts:265

`Protected` `Abstract`onGetRendererInfo

onGetRendererInfo(): {
    capabilities: string[];
    name: string;
    vendor?: string;
    version: string;
}
Returns { capabilities: string[]; name: string; vendor?: string; version: string }
- Defined in base/BaseRenderer.ts:286

`Protected` `Abstract`onMeasureText

onMeasureText(text: string, style: TextStyle): FixedVector2
Parameters
- text: string
- style: TextStyle
Returns FixedVector2
- Defined in base/BaseRenderer.ts:275

`Protected` `Abstract`onSetRenderState

onSetRenderState(state: RenderState): void
Parameters
- state: RenderState
Returns void
- Defined in base/BaseRenderer.ts:283

`Protected` `Abstract`onSetViewMatrix

onSetViewMatrix(matrix: FixedMatrix2x2): void
Parameters
- matrix: FixedMatrix2x2
Returns void
- Defined in base/BaseRenderer.ts:267

`Protected` `Abstract`onSetViewport

onSetViewport(viewport: Viewport): void
Parameters
- viewport: Viewport
Returns void
- Defined in base/BaseRenderer.ts:284

`Protected` `Abstract`onSupportsFeature

onSupportsFeature(feature: string): boolean
Parameters
- feature: string
Returns boolean
- Defined in base/BaseRenderer.ts:285

popRenderState

popRenderState(): void
Pop render state from stack 从栈弹出渲染状态

Returns void
Implementation of IRenderer.popRenderState
- Defined in base/BaseRenderer.ts:174

popTransform

popTransform(): void
Pop the last transform from the transform stack 从变换栈弹出最后一个变换

Returns void
Implementation of IRenderer.popTransform
- Defined in base/BaseRenderer.ts:78

pushRenderState

pushRenderState(): void
Push current render state onto stack 将当前渲染状态推入栈

Returns void
Implementation of IRenderer.pushRenderState
- Defined in base/BaseRenderer.ts:170

pushTransform

pushTransform(transform: Transform2D): void
Push a transform onto the transform stack 将变换推入变换栈
Parameters
- transform: Transform2D
Returns void
Implementation of IRenderer.pushTransform
- Defined in base/BaseRenderer.ts:72

resetStatistics

resetStatistics(): void
Reset statistics counters 重置统计计数器

Returns void
Implementation of IRenderer.resetStatistics
- Defined in base/BaseRenderer.ts:200

`Protected`screenToWorld

screenToWorld(screenPos: FixedVector2): FixedVector2
Parameters
- screenPos: FixedVector2
Returns FixedVector2
- Defined in base/BaseRenderer.ts:256

setRenderState

setRenderState(state: RenderState): void
Set the current render state 设置当前渲染状态
Parameters
- state: RenderState
Returns void
Implementation of IRenderer.setRenderState
- Defined in base/BaseRenderer.ts:161

`Abstract`setRenderTarget

setRenderTarget(target: unknown): void
Set the render target (null for screen) 设置渲染目标（null表示屏幕）
Parameters
- target: unknown
Returns void
Implementation of IRenderer.setRenderTarget
- Defined in base/BaseRenderer.ts:156

setViewMatrix

setViewMatrix(matrix: FixedMatrix2x2): void
Set the view matrix for camera transformation 设置用于相机变换的视图矩阵
Parameters
- matrix: FixedMatrix2x2
Returns void
Implementation of IRenderer.setViewMatrix
- Defined in base/BaseRenderer.ts:68

setViewport

setViewport(viewport: Viewport): void
Set the viewport for rendering 设置渲染视口
Parameters
- viewport: Viewport
Returns void
Implementation of IRenderer.setViewport
- Defined in base/BaseRenderer.ts:184

supportsFeature

supportsFeature(feature: string): boolean
Check if the renderer supports a specific feature 检查渲染器是否支持特定功能
Parameters
- feature: string
Returns boolean
Implementation of IRenderer.supportsFeature
- Defined in base/BaseRenderer.ts:213

`Protected`transformPoint

transformPoint(point: FixedVector2): FixedVector2
Parameters
- point: FixedVector2
Returns FixedVector2
- Defined in base/BaseRenderer.ts:237

Class BaseRendererAbstract

Hierarchy (View Summary)

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

Returns BaseRenderer

Properties

ProtectedcurrentRenderState

ProtectedcurrentTransform

ProtectedframeStartTime

ProtectedrenderStateStack

Protectedstatistics

ProtectedtransformStack

Protectedviewport

Methods

Protected AbstractapplyTransform

Parameters

Returns void

beginFrame

Returns void

clear

Parameters

Returns void

Abstractdispose

Returns void

drawCircle

Parameters

Returns void

drawEllipse

Parameters

Returns void

drawLine

Parameters

Returns void

drawPolygon

Parameters

Returns void

drawRect

Parameters

Returns void

drawText

Parameters

Returns void

drawTexture

Parameters

Returns void

drawTextureRegion

Parameters

Returns void

endFrame

Returns void

getCurrentTransform

Returns Transform2D

getRendererInfo

Returns { capabilities: string[]; name: string; vendor?: string; version: string }

getRenderState

Returns RenderState

AbstractgetRenderTarget

Returns unknown

getStatistics

Returns RenderStatistics

ProtectedgetViewBounds

Returns FixedRect

getViewport

Returns Viewport

ProtectedincrementDrawCall

Returns void

ProtectedincrementTextureBinding

Returns void

measureText

Parameters

Returns FixedVector2

Protected AbstractonBeginFrame

Returns void

Protected AbstractonClear

Parameters

Class BaseRenderer`Abstract`

`Protected`currentRenderState

`Protected`currentTransform

`Protected`frameStartTime

`Protected`renderStateStack

`Protected`statistics

`Protected`transformStack

`Protected`viewport

`Protected` `Abstract`applyTransform

`Abstract`dispose

`Abstract`getRenderTarget

`Protected`getViewBounds

`Protected`incrementDrawCall

`Protected`incrementTextureBinding

`Protected` `Abstract`onBeginFrame

`Protected` `Abstract`onClear

`Protected` `Abstract`onDrawCircle

`Protected` `Abstract`onDrawEllipse

`Protected` `Abstract`onDrawLine

`Protected` `Abstract`onDrawPolygon

`Protected` `Abstract`onDrawRect

`Protected` `Abstract`onDrawText

`Protected` `Abstract`onDrawTexture

`Protected` `Abstract`onDrawTextureRegion

`Protected` `Abstract`onEndFrame

`Protected` `Abstract`onGetRendererInfo

`Protected` `Abstract`onMeasureText

`Protected` `Abstract`onSetRenderState

`Protected` `Abstract`onSetViewMatrix

`Protected` `Abstract`onSetViewport

`Protected` `Abstract`onSupportsFeature

`Protected`screenToWorld

`Abstract`setRenderTarget