chore: Upgrade PIXI to 6.3.0.

src/main/kotlin/pixi/typings/core/typings.kt

@@ -125,6 +125,7 @@ abstract external class AbstractRenderer(type: RENDERER_TYPE = definedExternally
 		region: Rectangle = definedExternally
 	): RenderTexture
 
+	abstract fun addSystem(ClassRef: ISystemConstructor<Renderer>, name: String): AbstractRenderer /* this */
 	abstract fun render(displayObject: IRenderableObject, options: IRendererRenderOptions = definedExternally)
 	open fun destroy(removeView: Boolean = definedExternally)
 	open var backgroundColor: Color
@@ -374,9 +375,10 @@ open external class Buffer(data: IArrayBuffer = definedExternally, _static: Bool
 open external class BufferResource(source: Float32Array, options: ISize) : Resource {
 	constructor(source: Uint8Array, options: ISize)
 	constructor(source: Uint16Array, options: ISize)
+	constructor(source: Int32Array, options: ISize)
 	constructor(source: Uint32Array, options: ISize)
 
-	open var data: ArrayBufferView /* Float32Array | Uint8Array | Uint16Array | Uint32Array */
+	open var data: ArrayBufferView /* Float32Array | Uint8Array | Uint16Array | Int32Array | Uint32Array */
 	override fun upload(renderer: Renderer, baseTexture: BaseTexture<Resource, IAutoDetectOptions>, glTexture: GLTexture): Boolean
 
 	override fun dispose()
@@ -1097,7 +1099,7 @@ open external class Renderer(options: IRendererOptions = definedExternally) : Ab
 	open val extract: Any
 
 	protected open fun contextChange()
-	open fun addSystem(ClassRef: ISystemConstructor<Renderer>, name: String): Renderer /* this */
+	override fun addSystem(ClassRef: ISystemConstructor<Renderer>, name: String): Renderer /* this */
 	override fun render(displayObject: IRenderableObject, options: IRendererRenderOptions)
 	open fun render(
 		displayObject: IRenderableObject,

src/main/kotlin/pixi/typings/display/typings.kt

@@ -79,6 +79,7 @@ open external class Container : DisplayObject {
 	override fun calculateBounds()
 	open fun getLocalBounds(rect: Rectangle = definedExternally, skipChildrenUpdate: Boolean = definedExternally): Rectangle
 	protected open fun _calculateBounds()
+	protected open fun _renderWithCulling(renderer: Renderer)
 	override fun render(renderer: Renderer)
 	protected open fun renderAdvanced(renderer: Renderer)
 	protected open fun _render(_renderer: Renderer)
@@ -94,6 +95,8 @@ abstract external class DisplayObject : EventEmitter {
 	open var alpha: Double
 	open var visible: Boolean
 	open var renderable: Boolean
+	open var cullable: Boolean
+	open var cullArea: Rectangle?
 	open var filterArea: Rectangle
 	open var filters: Array<Filter>?
 	open var isSprite: Boolean

src/main/kotlin/pixi/typings/event/typings.kt

@@ -12,6 +12,7 @@ import org.w3c.dom.events.UIEvent
 import org.w3c.dom.events.WheelEvent
 import org.w3c.dom.pointerevents.PointerEvent
 import pixi.typings.Object
+import pixi.typings.core.IRenderableObject
 import pixi.typings.core.Renderer
 import pixi.typings.display.DisplayObject
 import pixi.typings.interaction.Cursor
@@ -161,7 +162,7 @@ external interface FederatedEventTarget : EventTarget, EventEmitter {
 	val children: ReadonlyArray<FederatedEventTarget>?
 	var interactive: Boolean
 	var interactiveChildren: Boolean
-	var hitArea: IHitArea
+	var hitArea: IHitArea?
 }
 
 @Suppress("MANY_CLASSES_IN_SUPERTYPE_LIST")
@@ -256,7 +257,7 @@ open external class FederatedWheelEvent : FederatedMouseEvent, WheelEvent {
 }
 
 external interface Renderer {
-	var _lastObjectRendered: DisplayObject
+	var _lastObjectRendered: IRenderableObject
 	var view: HTMLCanvasElement
 	var resolution: Double
 	var plugins: Record<String, Any>

src/main/kotlin/pixi/typings/graphics/typings.kt

@@ -148,6 +148,7 @@ open external class Graphics(geometry: GraphicsGeometry = definedExternally) : C
 	override fun destroy(options: Boolean)
 
 	companion object {
+		var nextRoundedRectBehavior: Boolean
 		var _TEMP_POINT: Point
 	}
 }
@@ -219,7 +220,7 @@ open external class GraphicsGeometry : BatchGeometry {
 	protected open fun transformPoints(points: Array<Double>, matrix: Matrix)
 	protected open fun addColors(colors: Array<Int>, color: Color, alpha: Double, size: Int, offset: Int = definedExternally)
 	protected open fun addTextureIds(textureIds: Array<Int>, id: Int, size: Int, offset: Int = definedExternally)
-	protected open fun addUvs(vers: Array<Double>, uvs: Array<Double>, texture: Texture<Resource>, start: Int, size: Int, matrix: Matrix = definedExternally)
+	protected open fun addUvs(vers: Array<Double>, uvs: Array<Double>, texture: Texture<Resource>, start: Int, size: Int, matrix: Matrix? = definedExternally)
 	protected open fun adjustUvs(uvs: Array<Double>, texture: Texture<Resource>, start: Int, size: Int)
 
 	companion object {

src/main/kotlin/pixi/typings/math/typings.kt

@@ -188,6 +188,7 @@ open external class Rectangle(x: Double = definedExternally, y: Double = defined
 	open fun clone(): Rectangle
 	open fun copyFrom(rectangle: Rectangle): Rectangle
 	open fun contains(x: Double, y: Double): Boolean
+	open fun intersects(rectangle: Rectangle, transform: Matrix = definedExternally): Boolean
 	open fun pad(paddingX: Double = definedExternally, paddingY: Double = definedExternally): Rectangle /* this */
 	open fun fit(rectangle: Rectangle): Rectangle /* this */
 	open fun ceil(resolution: Double = definedExternally, eps: Double = definedExternally): Rectangle /* this */

src/main/kotlin/pixi/typings/math_extras/typings.kt

@@ -25,9 +25,6 @@ external interface Vector2Math {
 	fun multiply(other: IPointData): Point
 	fun <T : IPointData> multiply(other: IPointData, outPoint: T): T
 
-	fun divide(other: IPointData): Point
-	fun <T : IPointData> divide(other: IPointData, outPoint: T): T
-
 	fun multiplyScalar(scalar: Double): Point
 	fun <T : IPointData> multiplyScalar(scalar: Double, outPoint: T): T
 

src/main/kotlin/pixi/typings/text/typings.kt

@@ -87,6 +87,7 @@ open external class Text(
 
 	companion object {
 		var nextLineHeightBehavior: Boolean
+		var experimentalLetterSpacing: Boolean
 	}
 }