phaser3-rex-plugins
Version:
332 lines (276 loc) • 9.93 kB
JavaScript
(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.rexfisheyepipelineplugin = factory());
})(this, (function () { 'use strict';
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 float mode;
uniform vec2 texSize;
uniform vec2 center;
uniform float radius;
uniform float intensity;
void main (void) {
vec2 tc = outTexCoord * texSize;
tc -= center;
float dist = length(tc) / radius;
if (dist < 1.0) {
float factor;
if (mode > 0.0) {
factor = sin(dist * 1.570795);
} else {
factor = asin(dist) / 1.570795;
}
tc *= mix(1.0, factor, intensity);
}
tc += center;
gl_FragColor = texture2D(uMainSampler, tc / texSize);
}
`;
const PostFXPipeline = Phaser.Renderer.WebGL.Pipelines.PostFXPipeline;
const GetValue = Phaser.Utils.Objects.GetValue;
class FishEyePostFxPipeline extends PostFXPipeline {
constructor(game) {
super({
name: 'rexFishEyePostFx',
game: game,
renderTarget: true,
fragShader: frag
});
this.fishEyeMode = 0;
this.centerX = 0; // position wo resolution
this.centerY = 0; // position wo resolution
this.radius = 0;
this.intensity = 1;
}
resetFromJSON(o) {
this.setFishEyeMode(GetValue(o, 'mode', 0));
this.setRadius(GetValue(o, 'radius', 0));
this.setCenter(GetValue(o, 'center.x', undefined), GetValue(o, 'center.y', undefined));
this.setIntensity(GetValue(o, 'intensity', 1));
return this;
}
onPreRender() {
this.set1f('mode', this.fishEyeMode);
this.set1f('radius', this.radius);
var texWidth = this.renderer.width,
textHeight = this.renderer.height;
this.set2f('center', this.centerX, (textHeight - this.centerY));
this.set2f('texSize', texWidth, textHeight);
this.set1f('intensity', this.intensity);
}
// Mode
setFishEyeMode(mode) {
if (typeof (mode) === 'string') {
mode = FishEyeMode[mode];
}
this.fishEyeMode = mode;
return this;
}
// radius
setRadius(value) {
this.radius = value;
return this;
}
// 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;
}
// intensity
setIntensity(value) {
this.intensity = value;
return this;
}
}
const FishEyeMode = {
'asin': 0,
'sin': 1
};
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 IsNil = function (value) {
return value === null || value === undefined;
};
var IsObjectLike = function (value) {
return value !== null && typeof value === 'object';
};
var NormalizePath = function (path, delimiter) {
if (Array.isArray(path)) ; else if (typeof path !== 'string') {
path = [];
} else if (path.trim() === '') {
path = [];
} else {
path = path.split(delimiter).filter(Boolean);
}
return path;
};
/**
* Set a nested value into target by path (mutates target).
*
* - If keys is a string and does NOT contain delimiter, write directly.
* - Intermediate non-plain-object values are always overwritten with {}.
*
* @param {object} target
* @param {string|string[]} keys
* @param {*} value
* @param {string} [delimiter='.']
* @returns {object} the same target reference
*/
var SetValue = function (target, keys, value, delimiter = '.') {
if (!IsObjectLike(target)) {
return target;
}
// Invalid key: no-op; don't replace root
if (IsNil(keys) || keys === '' || (Array.isArray(keys) && keys.length === 0)) {
return target;
}
// Fast path: single key
if (
(typeof keys === 'string' && keys.indexOf(delimiter) === -1) ||
(typeof keys === 'number')
) {
target[keys] = value;
return target;
}
var pathSegments = NormalizePath(keys, delimiter);
if (pathSegments.length === 0) {
return target;
}
var cursor = target;
var pathSegmentsCount = pathSegments.length;
for (var index = 0; index < pathSegmentsCount - 1; index++) {
var segment = pathSegments[index];
var next = cursor[segment];
if (!IsObjectLike(next)) {
// Force overwrite intermediates
cursor[segment] = {};
}
cursor = cursor[segment];
}
cursor[pathSegments[pathSegmentsCount - 1]] = value;
return target;
};
class FishEyePipelinePlugin extends BasePostFxPipelinePlugin {
constructor(pluginManager) {
super(pluginManager);
this.setPostPipelineClass(FishEyePostFxPipeline, 'rexFishEyePostFx');
}
}
SetValue(window, 'RexPlugins.Pipelines.FishEyePostFx', FishEyePostFxPipeline);
return FishEyePipelinePlugin;
}));