31 lines
834 B
TypeScript
31 lines
834 B
TypeScript
import * as PIXI from "pixi.js";
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export default class RTTShader {
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readonly texture: PIXI.RenderTexture;
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readonly container: PIXI.Container;
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readonly renderer: PIXI.Renderer;
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constructor(renderer: PIXI.Renderer, filter: PIXI.Filter, scale: number = 2) {
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this.renderer = renderer;
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this.texture = PIXI.RenderTexture.create({
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width: this.renderer.width / scale,
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height: this.renderer.height / scale,
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});
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this.container = new PIXI.Container();
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this.container.filterArea = this.texture.frame;
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this.container.filters = [filter];
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}
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rescale(scale: number) {
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this.texture.resize(
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this.renderer.width / scale,
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this.renderer.height / scale
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);
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this.container.filterArea = this.texture.frame;
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}
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render() {
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this.renderer.render(this.container, this.texture);
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}
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}
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