{"version":3,"file":"TwistFilter.mjs","sources":["../../src/twist/TwistFilter.ts"],"sourcesContent":["import { Filter, GlProgram, GpuProgram, PointData } from 'pixi.js';\nimport { vertex, wgslVertex } from '../defaults';\nimport fragment from './twist.frag';\nimport source from './twist.wgsl';\n\n/** Options for the TwistFilter constructor. */\nexport interface TwistFilterOptions\n{\n /**\n * Padding for the filter area\n * @default 20\n */\n padding?: number;\n /**\n * The radius of the twist\n * @default 200\n */\n radius?: number;\n /**\n * The angle of the twist\n * @default 4\n */\n angle?: number;\n /**\n * The `x` and `y` offset coordinates to change the position of the center of the circle of effect.\n * This should be a size 2 array or an object containing `x` and `y` values, you cannot change types\n * once defined in the constructor\n * @default {x:0,y:0}\n */\n offset?: PointData;\n}\n\n/**\n * This filter applies a twist effect making display objects appear twisted in the given direction.
\n * \n *\n * @class\n * @extends Filter\n */\nexport class TwistFilter extends Filter\n{\n /** Default values for options. */\n public static readonly DEFAULT_OPTIONS: TwistFilterOptions = {\n padding: 20,\n radius: 200,\n angle: 4,\n offset: { x: 0, y: 0 },\n };\n\n public uniforms: {\n uTwist: Float32Array;\n uOffset: PointData;\n };\n\n /**\n * @param options - Options for the TwistFilter constructor.\n */\n constructor(options?: Partial)\n {\n options = { ...TwistFilter.DEFAULT_OPTIONS, ...options };\n\n const gpuProgram = GpuProgram.from({\n vertex: {\n source: wgslVertex,\n entryPoint: 'mainVertex',\n },\n fragment: {\n source,\n entryPoint: 'mainFragment',\n },\n });\n\n const glProgram = GlProgram.from({\n vertex,\n fragment,\n name: 'twist-filter',\n });\n\n super({\n gpuProgram,\n glProgram,\n resources: {\n twistUniforms: {\n uTwist: {\n value: [options.radius ?? 0, options.angle ?? 0],\n type: 'vec2'\n },\n uOffset: {\n value: options.offset,\n type: 'vec2'\n },\n }\n },\n ...options,\n });\n\n this.uniforms = this.resources.twistUniforms.uniforms;\n }\n\n /**\n * The radius of the twist\n * @default 200\n */\n get radius(): number { return this.uniforms.uTwist[0]; }\n set radius(value: number) { this.uniforms.uTwist[0] = value; }\n\n /**\n * The angle of the twist\n * @default 4\n */\n get angle(): number { return this.uniforms.uTwist[1]; }\n set angle(value: number) { this.uniforms.uTwist[1] = value; }\n\n /**\n * The `x` offset coordinate to change the position of the center of the circle of effect\n * @default 0\n */\n get offset(): PointData { return this.uniforms.uOffset; }\n set offset(value: PointData) { this.uniforms.uOffset = value; }\n\n /**\n * The `x` offset coordinate to change the position of the center of the circle of effect\n * @default 0\n */\n get offsetX(): number { return this.offset.x; }\n set offsetX(value: number) { this.offset.x = value; }\n\n /**\n * The `y` offset coordinate to change the position of the center of the circle of effect\n * @default 0\n */\n get offsetY(): number { return this.offset.y; }\n set offsetY(value: number) { this.offset.y = value; }\n}\n"],"names":[],"mappings":";;;;;;;;;;;;AAuCO,MAAM,YAAA,GAAN,MAAM,YAAA,SAAoB,MACjC,CAAA;AAAA;AAAA;AAAA;AAAA,EAiBI,YAAY,OACZ,EAAA;AACI,IAAA,OAAA,GAAU,EAAE,GAAG,YAAY,CAAA,eAAA,EAAiB,GAAG,OAAQ,EAAA,CAAA;AAEvD,IAAM,MAAA,UAAA,GAAa,WAAW,IAAK,CAAA;AAAA,MAC/B,MAAQ,EAAA;AAAA,QACJ,MAAQ,EAAA,UAAA;AAAA,QACR,UAAY,EAAA,YAAA;AAAA,OAChB;AAAA,MACA,QAAU,EAAA;AAAA,QACN,MAAA;AAAA,QACA,UAAY,EAAA,cAAA;AAAA,OAChB;AAAA,KACH,CAAA,CAAA;AAED,IAAM,MAAA,SAAA,GAAY,UAAU,IAAK,CAAA;AAAA,MAC7B,MAAA;AAAA,MACA,QAAA;AAAA,MACA,IAAM,EAAA,cAAA;AAAA,KACT,CAAA,CAAA;AAED,IAAM,KAAA,CAAA;AAAA,MACF,UAAA;AAAA,MACA,SAAA;AAAA,MACA,SAAW,EAAA;AAAA,QACP,aAAe,EAAA;AAAA,UACX,MAAQ,EAAA;AAAA,YACJ,OAAO,CAAC,OAAA,CAAQ,UAAU,CAAG,EAAA,OAAA,CAAQ,SAAS,CAAC,CAAA;AAAA,YAC/C,IAAM,EAAA,WAAA;AAAA,WACV;AAAA,UACA,OAAS,EAAA;AAAA,YACL,OAAO,OAAQ,CAAA,MAAA;AAAA,YACf,IAAM,EAAA,WAAA;AAAA,WACV;AAAA,SACJ;AAAA,OACJ;AAAA,MACA,GAAG,OAAA;AAAA,KACN,CAAA,CAAA;AA7CL,IAAO,aAAA,CAAA,IAAA,EAAA,UAAA,CAAA,CAAA;AA+CH,IAAK,IAAA,CAAA,QAAA,GAAW,IAAK,CAAA,SAAA,CAAU,aAAc,CAAA,QAAA,CAAA;AAAA,GACjD;AAAA;AAAA;AAAA;AAAA;AAAA,EAMA,IAAI,MAAiB,GAAA;AAAE,IAAO,OAAA,IAAA,CAAK,QAAS,CAAA,MAAA,CAAO,CAAC,CAAA,CAAA;AAAA,GAAG;AAAA,EACvD,IAAI,OAAO,KAAe,EAAA;AAAE,IAAK,IAAA,CAAA,QAAA,CAAS,MAAO,CAAA,CAAC,CAAI,GAAA,KAAA,CAAA;AAAA,GAAO;AAAA;AAAA;AAAA;AAAA;AAAA,EAM7D,IAAI,KAAgB,GAAA;AAAE,IAAO,OAAA,IAAA,CAAK,QAAS,CAAA,MAAA,CAAO,CAAC,CAAA,CAAA;AAAA,GAAG;AAAA,EACtD,IAAI,MAAM,KAAe,EAAA;AAAE,IAAK,IAAA,CAAA,QAAA,CAAS,MAAO,CAAA,CAAC,CAAI,GAAA,KAAA,CAAA;AAAA,GAAO;AAAA;AAAA;AAAA;AAAA;AAAA,EAM5D,IAAI,MAAoB,GAAA;AAAE,IAAA,OAAO,KAAK,QAAS,CAAA,OAAA,CAAA;AAAA,GAAS;AAAA,EACxD,IAAI,OAAO,KAAkB,EAAA;AAAE,IAAA,IAAA,CAAK,SAAS,OAAU,GAAA,KAAA,CAAA;AAAA,GAAO;AAAA;AAAA;AAAA;AAAA;AAAA,EAM9D,IAAI,OAAkB,GAAA;AAAE,IAAA,OAAO,KAAK,MAAO,CAAA,CAAA,CAAA;AAAA,GAAG;AAAA,EAC9C,IAAI,QAAQ,KAAe,EAAA;AAAE,IAAA,IAAA,CAAK,OAAO,CAAI,GAAA,KAAA,CAAA;AAAA,GAAO;AAAA;AAAA;AAAA;AAAA;AAAA,EAMpD,IAAI,OAAkB,GAAA;AAAE,IAAA,OAAO,KAAK,MAAO,CAAA,CAAA,CAAA;AAAA,GAAG;AAAA,EAC9C,IAAI,QAAQ,KAAe,EAAA;AAAE,IAAA,IAAA,CAAK,OAAO,CAAI,GAAA,KAAA,CAAA;AAAA,GAAO;AACxD,CAAA,CAAA;AAAA;AA3FI,aAAA,CAHS,cAGc,iBAAsC,EAAA;AAAA,EACzD,OAAS,EAAA,EAAA;AAAA,EACT,MAAQ,EAAA,GAAA;AAAA,EACR,KAAO,EAAA,CAAA;AAAA,EACP,MAAQ,EAAA,EAAE,CAAG,EAAA,CAAA,EAAG,GAAG,CAAE,EAAA;AACzB,CAAA,CAAA,CAAA;AARG,IAAM,WAAN,GAAA;;;;"}