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fix: transform引起一直更新 & 丰富注释

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unanmed 2024-11-27 23:42:51 +08:00
parent c6cbdae5d5
commit 3d1e0a45c3
2 changed files with 7 additions and 1 deletions
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3
src/core/fx/canvas2d.ts
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@ -138,6 +138,9 @@ export class MotaOffscreenCanvas2D extends EventEmitter<OffscreenCanvasEvent> {
MotaOffscreenCanvas2D.list.delete(this);
}
/**
* 冻结这个画布的属性，之后便不能被修改，同时会从画布列表中删去。
*/
freeze() {
this._freezed = true;
MotaOffscreenCanvas2D.list.delete(this);

5
src/core/render/item.ts
View File

@ -22,7 +22,9 @@ export interface IRenderUpdater {
}
interface IRenderAnchor {
/** 锚点横坐标，0表示最左端，1表示最右端 */
anchorX: number;
/** 锚点纵坐标，0表示最上端，1表示最下端 */
anchorY: number;
/**
@ -53,6 +55,7 @@ interface IRenderConfig {
}
export interface IRenderChildable {
/** 当前元素的子元素 */
children: Set<RenderItem>;
/**
@ -312,7 +315,7 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
if (this.hidden) return;
this.emit('beforeRender', transform);
this.needUpdate = false;
const tran = this.transformFallThrough ? transform : this.transform;
const tran = this.transformFallThrough ? transform : this._transform;
const ax = -this.anchorX * this.width;
const ay = -this.anchorY * this.height;