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aframe-liquid-portal-shader.js
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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else if(typeof exports === 'object')
exports["aframeLiquidPortalShader"] = factory();
else
root["aframeLiquidPortalShader"] = factory();
})(self, function() {
return /******/ (() => { // webpackBootstrap
/******/ var __webpack_modules__ = ({
/***/ "./src/liquid-portal-mouse.js":
/*!************************************!*\
!*** ./src/liquid-portal-mouse.js ***!
\************************************/
/***/ (() => {
AFRAME.registerComponent("liquid-portal-mouse", {
schema: {
moveFrac: { type: "number", default: 0.1 },
decayTime: { type: "number", default: 0.5 },
},
init: function () {
this.mouseCoords = { x: 0, y: 0 };
this.mouseMoveHandler = (evt) => {
this.mouseCoords.x = (evt.clientX / window.innerWidth) * 2 - 1;
this.mouseCoords.y = -(evt.clientY / window.innerHeight) * 2 + 1;
};
this.raycaster = new THREE.Raycaster();
this.targetCenter = new THREE.Vector2(0.5, 0.5);
this.currentCenter = new THREE.Vector2(0.5, 0.5);
this.effectStrength = 0.0;
},
play: function () {
window.addEventListener("mousemove", this.mouseMoveHandler, false);
},
pause: function () {
window.removeEventListener("mousemove", this.mouseMoveHandler, false);
},
tick: function (time, timeDelta) {
this.raycaster.setFromCamera(this.mouseCoords, this.el.sceneEl.camera);
let intersections = this.raycaster.intersectObject(
this.el.getObject3D("mesh")
);
if (intersections.length > 0) {
let mouseUV = intersections[0].uv;
this.targetCenter.set(mouseUV.x, mouseUV.y);
}
this.effectStrength += this.targetCenter.distanceTo(this.currentCenter);
this.effectStrength -= timeDelta / 1000 / this.data.decayTime;
this.effectStrength = Math.max(0.0, Math.min(this.effectStrength, 1.0));
this.currentCenter.lerp(this.targetCenter, this.data.moveFrac);
this.el.setAttribute("material", {
rippleCenter: this.currentCenter,
strength: this.effectStrength,
timeMsec: time,
});
},
});
/***/ }),
/***/ "./src/liquid-portal-shader.js":
/*!*************************************!*\
!*** ./src/liquid-portal-shader.js ***!
\*************************************/
/***/ (() => {
/**
* This string template literal does not modify the input string, but allows us
* to tag some strings as glsl snippets so that editors (e.g., VSCode) can
* syntax higlight them.
*/
function glsl(strs) {
return strs[0];
}
AFRAME.registerShader("liquid-portal", {
schema: {
timeMsec: { type: "time", is: "uniform" },
src: { type: "map", is: "uniform" },
rippleCenter: { type: "vec2", is: "uniform", default: { x: 0.5, y: 0.5 } },
numRipples: { type: "float", is: "uniform", default: 5 },
maxRippleOffset: { type: "float", is: "uniform", default: 0.01 },
rippleSpeed: { type: "float", is: "uniform", default: 0.1 },
twistRadius: { type: "float", is: "uniform", default: 0.25 },
maxTwist: { type: "float", is: "uniform", default: 1.0 },
strength: { type: "float", is: "uniform", default: 1.0 },
},
vertexShader: glsl`
precision highp float;
out vec2 v_uv;
void main() {
v_uv = uv;
gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
}
`,
fragmentShader: glsl`
precision highp float;
float PI = 3.14159;
uniform sampler2D src;
uniform float timeMsec;
uniform vec2 rippleCenter;
uniform float numRipples;
uniform float maxRippleOffset;
uniform float rippleSpeed;
uniform float twistRadius;
uniform float maxTwist;
uniform float strength;
in vec2 v_uv;
// --- Polar Coordinates --- //
vec2 toPolar(vec2 center, vec2 uv) {
vec2 offset = uv - center;
return vec2(atan(offset.x, offset.y), length(offset));
}
vec2 fromPolar(vec2 center, vec2 pc) {
float angle = pc[0];
float radius = pc[1];
return vec2(center.x + sin(angle) * radius, center.y + cos(angle) * radius);
}
// --- Main --- //
void main() {
vec2 pc = toPolar(rippleCenter, v_uv);
float r_offset = strength * maxRippleOffset * sin((pc[1] - timeMsec / 1000.0 * rippleSpeed) * 4.0 * PI * numRipples);
float tr = strength * twistRadius;
float mt = strength * maxTwist;
float a_offset = pc[1] < tr ? mix(0.0, mt * 2.0 * PI, tr - pc[1]) : 0.0;
pc[0] += a_offset;
pc[1] += r_offset;
vec2 uv = fromPolar(rippleCenter, pc);
vec4 color_rgba = texture2D(src, uv);
gl_FragColor = color_rgba;
}
`,
});
/***/ })
/******/ });
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
/******/ (() => {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = (module) => {
/******/ var getter = module && module.__esModule ?
/******/ () => (module['default']) :
/******/ () => (module);
/******/ __webpack_require__.d(getter, { a: getter });
/******/ return getter;
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
/******/
/******/ /* webpack/runtime/make namespace object */
/******/ (() => {
/******/ // define __esModule on exports
/******/ __webpack_require__.r = (exports) => {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/ })();
/******/
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be in strict mode.
(() => {
"use strict";
/*!**********************!*\
!*** ./src/index.js ***!
\**********************/
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _liquid_portal_shader__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./liquid-portal-shader */ "./src/liquid-portal-shader.js");
/* harmony import */ var _liquid_portal_shader__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_liquid_portal_shader__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _liquid_portal_mouse__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./liquid-portal-mouse */ "./src/liquid-portal-mouse.js");
/* harmony import */ var _liquid_portal_mouse__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_liquid_portal_mouse__WEBPACK_IMPORTED_MODULE_1__);
})();
/******/ return __webpack_exports__;
/******/ })()
;
});
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1;\n      this.mouseCoords.y = -(evt.clientY / window.innerHeight) * 2 + 1;\n    };\n    this.raycaster = new THREE.Raycaster();\n    this.targetCenter = new THREE.Vector2(0.5, 0.5);\n    this.currentCenter = new THREE.Vector2(0.5, 0.5);\n\n    this.effectStrength = 0.0;\n  },\n\n  play: function () {\n    window.addEventListener(\"mousemove\", this.mouseMoveHandler, false);\n  },\n\n  pause: function () {\n    window.removeEventListener(\"mousemove\", this.mouseMoveHandler, false);\n  },\n\n  tick: function (time, timeDelta) {\n    this.raycaster.setFromCamera(this.mouseCoords, this.el.sceneEl.camera);\n    let intersections = this.raycaster.intersectObject(\n      this.el.getObject3D(\"mesh\")\n    );\n    if (intersections.length > 0) {\n      let mouseUV = intersections[0].uv;\n      this.targetCenter.set(mouseUV.x, mouseUV.y);\n    }\n\n    this.effectStrength += this.targetCenter.distanceTo(this.currentCenter);\n    this.effectStrength -= timeDelta / 1000 / this.data.decayTime;\n    this.effectStrength = Math.max(0.0, Math.min(this.effectStrength, 1.0));\n\n    this.currentCenter.lerp(this.targetCenter, this.data.moveFrac);\n\n    this.el.setAttribute(\"material\", {\n      rippleCenter: this.currentCenter,\n      strength: this.effectStrength,\n      timeMsec: time,\n    });\n  },\n});\n","/**\n * This string template literal does not modify the input string, but allows us\n * to tag some strings as glsl snippets so that editors (e.g., VSCode) can\n * syntax higlight them.\n */\nfunction glsl(strs) {\n  return strs[0];\n}\n\nAFRAME.registerShader(\"liquid-portal\", {\n  schema: {\n    timeMsec: { type: \"time\", is: \"uniform\" },\n    src: { type: \"map\", is: \"uniform\" },\n\n    rippleCenter: { type: \"vec2\", is: \"uniform\", default: { x: 0.5, y: 0.5 } },\n    numRipples: { type: \"float\", is: \"uniform\", default: 5 },\n    maxRippleOffset: { type: \"float\", is: \"uniform\", default: 0.01 },\n    rippleSpeed: { type: \"float\", is: \"uniform\", default: 0.1 },\n\n    twistRadius: { type: \"float\", is: \"uniform\", default: 0.25 },\n    maxTwist: { type: \"float\", is: \"uniform\", default: 1.0 },\n\n    strength: { type: \"float\", is: \"uniform\", default: 1.0 },\n  },\n\n  vertexShader: glsl`\n    precision highp float;\n\n    out vec2 v_uv;\n    void main() {\n      v_uv = uv;\n      gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n    }\n  `,\n\n  fragmentShader: glsl`\n    precision highp float;\n\n    float PI = 3.14159;\n\n    uniform sampler2D src;\n    uniform float timeMsec;\n\n    uniform vec2 rippleCenter;\n    uniform float numRipples;\n    uniform float maxRippleOffset;\n    uniform float rippleSpeed;\n\n    uniform float twistRadius;\n    uniform float maxTwist;\n    \n    uniform float strength;\n\n    in vec2 v_uv;\n\n    // --- Polar Coordinates --- //\n\n    vec2 toPolar(vec2 center, vec2 uv) {\n      vec2 offset = uv - center;\n      return vec2(atan(offset.x, offset.y), length(offset));\n    }\n\n    vec2 fromPolar(vec2 center, vec2 pc) {\n      float angle = pc[0];\n      float radius = pc[1];\n      return vec2(center.x + sin(angle) * radius, center.y + cos(angle) * radius);\n    }\n\n    // --- Main --- //\n\n    void main() {\n      vec2 pc = toPolar(rippleCenter, v_uv);\n\n      float r_offset = strength * maxRippleOffset * sin((pc[1] - timeMsec / 1000.0 * rippleSpeed) * 4.0 * PI * numRipples);\n\n      float tr = strength * twistRadius;\n      float mt = strength * maxTwist;\n      float a_offset = pc[1] < tr ? mix(0.0, mt * 2.0 * PI, tr - pc[1]) : 0.0;\n\n      pc[0] += a_offset;\n      pc[1] += r_offset;\n\n      vec2 uv = fromPolar(rippleCenter, pc);\n\n      vec4 color_rgba = texture2D(src, uv);\n      gl_FragColor = color_rgba;\n    }\n  `,\n});\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","// getDefaultExport function for compatibility with non-harmony modules\n__webpack_require__.n = (module) => {\n\tvar getter = module && module.__esModule ?\n\t\t() => (module['default']) :\n\t\t() => (module);\n\t__webpack_require__.d(getter, { a: getter });\n\treturn getter;\n};","// define getter functions for harmony exports\n__webpack_require__.d = (exports, definition) => {\n\tfor(var key in definition) {\n\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n\t\t}\n\t}\n};","__webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))","// define __esModule on exports\n__webpack_require__.r = (exports) => {\n\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n\t}\n\tObject.defineProperty(exports, '__esModule', { value: true });\n};","import \"./liquid-portal-shader\";\nimport \"./liquid-portal-mouse\";\n"],"sourceRoot":""}