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@petkoneo/phaser3-rex-plugins

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(function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.rexshockwavepipelineplugin = factory()); })(this, (function () { 'use strict'; // reference : https://www.geeks3d.com/20110408/cross-stitching-post-processing-shader-glsl-filter-geexlab-pixel-bender/ const frag = `\ #ifdef GL_FRAGMENT_PRECISION_HIGH #define highmedp highp #else #define highmedp mediump #endif precision highmedp float; // Scene buffer uniform sampler2D uMainSampler; varying vec2 outTexCoord; // Effect parameters uniform vec2 texSize; uniform vec2 center; uniform float waveRadius; uniform float waveHalfWidth; // 10.0 uniform float powBaseScale; // 0.8 uniform float powExponent; // 0.1 void main (void) { if (waveHalfWidth > 0.0) { vec2 tc = outTexCoord * texSize; tc -= center; float diff = length(tc) - waveRadius; if ((diff <= waveHalfWidth) && (diff >= -waveHalfWidth)) { diff /= max(texSize.x, texSize.y); float powDiff = 1.0 - pow(abs(diff*powBaseScale), powExponent); tc += texSize * diff * powDiff; } tc += center; gl_FragColor = texture2D(uMainSampler, tc / texSize); } else { gl_FragColor = texture2D(uMainSampler, outTexCoord); } } `; const PostFXPipeline = Phaser.Renderer.WebGL.Pipelines.PostFXPipeline; const GetValue = Phaser.Utils.Objects.GetValue; Phaser.Math.Clamp; class ShockwavePostFxPipeline extends PostFXPipeline { constructor(game) { super({ name: 'rexShockwavePostFx', game: game, renderTarget: true, fragShader: frag }); this.centerX = 0; // position wo resolution this.centerY = 0; // position wo resolution this.waveWidth = 20; this.powBaseScale = 0.8; this.powExponent = 0.1; } resetFromJSON(o) { this.setCenter(GetValue(o, 'center.x', undefined), GetValue(o, 'center.y', undefined)); this.setWaveRadius(GetValue(o, 'waveRadius', 0)); this.setWaveWidth(GetValue(o, 'waveWidth', 20)); this.setPowBaseScale(GetValue(o, 'powBaseScale', 0.8)); this.setPowExponent(GetValue(o, 'powExponent', 0.1)); return this; } onPreRender() { this.set1f('waveRadius', this.waveRadius); this.set1f('waveHalfWidth', this.waveWidth / 2); this.set1f('powBaseScale', this.powBaseScale); this.set1f('powExponent', this.powExponent); var texWidth = this.renderer.width, textHeight = this.renderer.height; this.set2f('center', this.centerX, (textHeight - this.centerY)); this.set2f('texSize', texWidth, textHeight); } // center setCenter(x, y) { if (x === undefined) { x = this.renderer.width / 2; y = this.renderer.height / 2; } this.centerX = x; this.centerY = y; return this; } // waveRadius setWaveRadius(value) { if (value === undefined) { value = 0; } this.waveRadius = value; return this; } // waveWidth setWaveWidth(value) { if (value === undefined) { value = 0; } this.waveWidth = value; return this; } // powBaseScale setPowBaseScale(value) { this.powBaseScale = value; return this; } // powExponent setPowExponent(value) { this.powExponent = value; return this; } } const GameClass = Phaser.Game; var IsGame = function (object) { return (object instanceof GameClass); }; const SceneClass = Phaser.Scene; var IsSceneObject = function (object) { return (object instanceof SceneClass); }; var GetGame = function (object) { if ((object == null) || (typeof (object) !== 'object')) { return null; } else if (IsGame(object)) { return object; } else if (IsGame(object.game)) { return object.game; } else if (IsSceneObject(object)) { // object = scene object return object.sys.game; } else if (IsSceneObject(object.scene)) { // object = game object return object.scene.sys.game; } }; var RegisterPostPipeline = function (game, postFxPipelineName, PostFxPipelineClass) { GetGame(game).renderer.pipelines.addPostPipeline(postFxPipelineName, PostFxPipelineClass); }; var AddPostFxPipelineInstance = function (gameObject, PostFxPipelineClass, config) { if (config === undefined) { config = {}; } gameObject.setPostPipeline(PostFxPipelineClass); var pipeline = gameObject.postPipelines[gameObject.postPipelines.length - 1]; pipeline.resetFromJSON(config); if (config.name) { pipeline.name = config.name; } return pipeline; }; const SpliceOne = Phaser.Utils.Array.SpliceOne; var RemovePostFxPipelineInstance = function (gameObject, PostFxPipelineClass, name) { if (name === undefined) { var pipelines = gameObject.postPipelines; for (var i = (pipelines.length - 1); i >= 0; i--) { var instance = pipelines[i]; if (instance instanceof PostFxPipelineClass) { instance.destroy(); SpliceOne(pipelines, i); } } } else { var pipelines = gameObject.postPipelines; for (var i = 0, cnt = pipelines.length; i < cnt; i++) { var instance = pipelines[i]; if ((instance instanceof PostFxPipelineClass) && (instance.name === name)) { instance.destroy(); SpliceOne(pipelines, i); } } } gameObject.hasPostPipeline = (gameObject.postPipelines.length > 0); }; var GetPostFxPipelineInstance = function (gameObject, PostFxPipelineClass, name) { if (name === undefined) { var result = []; var pipelines = gameObject.postPipelines; for (var i = 0, cnt = pipelines.length; i < cnt; i++) { var instance = pipelines[i]; if (instance instanceof PostFxPipelineClass) { result.push(instance); } } return result; } else { var pipelines = gameObject.postPipelines; for (var i = 0, cnt = pipelines.length; i < cnt; i++) { var instance = pipelines[i]; if ((instance instanceof PostFxPipelineClass) && (instance.name === name)) { return instance; } } } }; class BasePostFxPipelinePlugin extends Phaser.Plugins.BasePlugin { setPostPipelineClass(PostFxPipelineClass, postFxPipelineName) { this.PostFxPipelineClass = PostFxPipelineClass; this.postFxPipelineName = postFxPipelineName; return this; } start() { var eventEmitter = this.game.events; eventEmitter.once('destroy', this.destroy, this); RegisterPostPipeline(this.game, this.postFxPipelineName, this.PostFxPipelineClass); } add(gameObject, config) { return AddPostFxPipelineInstance(gameObject, this.PostFxPipelineClass, config); } remove(gameObject, name) { RemovePostFxPipelineInstance(gameObject, this.PostFxPipelineClass, name); return this; } get(gameObject, name) { return GetPostFxPipelineInstance(gameObject, this.PostFxPipelineClass, name); } } var IsInValidKey = function (keys) { return (keys == null) || (keys === '') || (keys.length === 0); }; var GetEntry = function (target, keys, defaultEntry) { var entry = target; if (IsInValidKey(keys)) ; else { if (typeof (keys) === 'string') { keys = keys.split('.'); } var key; for (var i = 0, cnt = keys.length; i < cnt; i++) { key = keys[i]; if ((entry[key] == null) || (typeof (entry[key]) !== 'object')) { var newEntry; if (i === cnt - 1) { if (defaultEntry === undefined) { newEntry = {}; } else { newEntry = defaultEntry; } } else { newEntry = {}; } entry[key] = newEntry; } entry = entry[key]; } } return entry; }; var SetValue = function (target, keys, value, delimiter) { if (delimiter === undefined) { delimiter = '.'; } // no object if (typeof (target) !== 'object') { return; } // invalid key else if (IsInValidKey(keys)) { // don't erase target if (value == null) { return; } // set target to another object else if (typeof (value) === 'object') { target = value; } } else { if (typeof (keys) === 'string') { keys = keys.split(delimiter); } var lastKey = keys.pop(); var entry = GetEntry(target, keys); entry[lastKey] = value; } return target; }; class ShockwavePipelinePlugin extends BasePostFxPipelinePlugin { constructor(pluginManager) { super(pluginManager); this.setPostPipelineClass(ShockwavePostFxPipeline, 'rexShockwavePostFx'); } } SetValue(window, 'RexPlugins.Pipelines.ShockwavePostFx', ShockwavePostFxPipeline); return ShockwavePipelinePlugin; }));