GDevelop/Extensions/Effects/twist-pixi-filter.ts at master · NBForgeLab/GDevelop · GitHub

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namespace gdjs {
  interface TwistFilterExtra {
    // extra properties are stored on the filter.
    _offsetX: number;
    _offsetY: number;
  }
  interface TwistFilterNetworkSyncData {
    r: number;
    a: number;
    p: number;
    ox: number;
    oy: number;
  }
  gdjs.PixiFiltersTools.registerFilterCreator(
    'Twist',
    new (class extends gdjs.PixiFiltersTools.PixiFilterCreator {
      makePIXIFilter(target: EffectsTarget, effectData) {
        const twistFilter = new PIXI.filters.TwistFilter();
        twistFilter.offset = new PIXI.Point(0, 0);
        return twistFilter;
      }
      updatePreRender(filter: PIXI.Filter, target: EffectsTarget) {
        const twistFilter = filter as unknown as PIXI.filters.TwistFilter &
          TwistFilterExtra;
        twistFilter.offset.x = Math.round(
          twistFilter._offsetX * target.getWidth()
        );
        twistFilter.offset.y = Math.round(
          twistFilter._offsetY * target.getHeight()
        );
      }
      updateDoubleParameter(
        filter: PIXI.Filter,
        parameterName: string,
        value: number
      ) {
        const twistFilter = filter as unknown as PIXI.filters.TwistFilter &
          TwistFilterExtra;
        if (parameterName === 'radius') {
          twistFilter.radius = value;
        } else if (parameterName === 'angle') {
          twistFilter.angle = value;
        } else if (parameterName === 'padding') {
          twistFilter.padding = value;
        } else if (parameterName === 'offsetX') {
          twistFilter._offsetX = value;
        } else if (parameterName === 'offsetY') {
          twistFilter._offsetY = value;
        }
      }
      getDoubleParameter(filter: PIXI.Filter, parameterName: string): number {
        const twistFilter = filter as unknown as PIXI.filters.TwistFilter &
          TwistFilterExtra;
        if (parameterName === 'radius') {
          return twistFilter.radius;
        }
        if (parameterName === 'angle') {
          return twistFilter.angle;
        }
        if (parameterName === 'padding') {
          return twistFilter.padding;
        }
        if (parameterName === 'offsetX') {
          return twistFilter._offsetX;
        }
        if (parameterName === 'offsetY') {
          return twistFilter._offsetY;
        }
        return 0;
      }
      updateStringParameter(
        filter: PIXI.Filter,
        parameterName: string,
        value: string
      ) {}
      updateColorParameter(
        filter: PIXI.Filter,
        parameterName: string,
        value: number
      ): void {}
      getColorParameter(filter: PIXI.Filter, parameterName: string): number {
        return 0;
      }
      updateBooleanParameter(
        filter: PIXI.Filter,
        parameterName: string,
        value: boolean
      ) {}
      getNetworkSyncData(filter: PIXI.Filter): TwistFilterNetworkSyncData {
        const twistFilter = filter as unknown as PIXI.filters.TwistFilter &
          TwistFilterExtra;
        return {
          r: twistFilter.radius,
          a: twistFilter.angle,
          p: twistFilter.padding,
          ox: twistFilter._offsetX,
          oy: twistFilter._offsetY,
        };
      }
      updateFromNetworkSyncData(
        filter: PIXI.Filter,
        data: TwistFilterNetworkSyncData
      ) {
        const twistFilter = filter as unknown as PIXI.filters.TwistFilter &
          TwistFilterExtra;
        twistFilter.radius = data.r;
        twistFilter.angle = data.a;
        twistFilter.padding = data.p;
        twistFilter._offsetX = data.ox;
        twistFilter._offsetY = data.oy;
      }
    })()
  );
}