@trap_stevo/legendarybuilderproreact-ui
Version:
The legendary UI & utility API that makes your application a legendary application. ~ Created by Steven Compton
205 lines • 12.7 kB
JavaScript
import _extends from "@babel/runtime/helpers/extends";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
import React, { useEffect, useRef } from "react";
function HUDAnimatedCanvasBackground(_ref) {
var _ref$animatedCanvasBa = _ref.animatedCanvasBackgroundContainerConfigurationSettings,
animatedCanvasBackgroundContainerConfigurationSettings = _ref$animatedCanvasBa === void 0 ? {} : _ref$animatedCanvasBa,
_ref$animatedCanvasBa2 = _ref.animatedCanvasBackgroundContentConfigurationSettings,
animatedCanvasBackgroundContentConfigurationSettings = _ref$animatedCanvasBa2 === void 0 ? {} : _ref$animatedCanvasBa2,
_ref$animatedCanvasBa3 = _ref.animatedCanvasBackgroundConfigurationSettings,
animatedCanvasBackgroundConfigurationSettings = _ref$animatedCanvasBa3 === void 0 ? {} : _ref$animatedCanvasBa3,
_ref$animatedCanvasBa4 = _ref.animatedCanvasBackgroundContainerConfigurations,
animatedCanvasBackgroundContainerConfigurations = _ref$animatedCanvasBa4 === void 0 ? {} : _ref$animatedCanvasBa4,
_ref$animatedCanvasBa5 = _ref.animatedCanvasBackgroundContentConfigurations,
animatedCanvasBackgroundContentConfigurations = _ref$animatedCanvasBa5 === void 0 ? {} : _ref$animatedCanvasBa5,
_ref$animatedCanvasBa6 = _ref.animatedCanvasBackgroundConfigurations,
animatedCanvasBackgroundConfigurations = _ref$animatedCanvasBa6 === void 0 ? {} : _ref$animatedCanvasBa6,
_ref$animationSetting = _ref.animationSettings,
animationSettings = _ref$animationSetting === void 0 ? {} : _ref$animationSetting,
_ref$animationType = _ref.animationType,
animationType = _ref$animationType === void 0 ? "warped-stars" : _ref$animationType,
children = _ref.children;
var canvasRef = useRef(null);
var glRef = useRef(null);
var stars = useRef([]);
useEffect(function () {
var mounted = true;
var canvas = canvasRef.current;
var gl = canvas.getContext("webgl") || canvas.getContext("experimental-webgl");
glRef.current = gl;
if (!gl) {
return;
}
var animationFrameID;
var glowColor = animationSettings.glowColor || [1.0, 1.0, 1.0];
var glowStrength = animationSettings.glowStrength || 1.5;
var useMotionBlur = animationSettings.motionBlur || true;
var blurFade = animationSettings.blurFade || 0.02;
var vertexShaderSource = "\n attribute vec3 aPosition;\n attribute float aAlpha;\n varying float vAlpha;\n \n void main() {\n gl_Position = vec4(aPosition.xy, 0.0, 1.0);\n \n gl_PointSize = aPosition.z;\n \n vAlpha = aAlpha;\n }\n ";
var fragmentShaderSource = "\n precision mediump float;\n varying float vAlpha;\n uniform vec3 uGlowColor;\n uniform float uGlowStrength;\n \n void main() {\n float dist = distance(gl_PointCoord, vec2(0.5, 0.5));\n \n float intensity = smoothstep(0.5, 0.0, dist);\n \n gl_FragColor = vec4(uGlowColor, vAlpha * intensity * uGlowStrength);\n }\n ";
var createShader = function createShader(type, source) {
var shader = gl.createShader(type);
gl.shaderSource(shader, source);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
console.error(gl.getShaderInfoLog(shader));
gl.deleteShader(shader);
return null;
}
return shader;
};
var createProgram = function createProgram(vsSource, fsSource) {
var vertexShader = createShader(gl.VERTEX_SHADER, vsSource);
var fragmentShader = createShader(gl.FRAGMENT_SHADER, fsSource);
var program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {
console.error(gl.getProgramInfoLog(program));
gl.deleteProgram(program);
return null;
}
return program;
};
var resize = function resize() {
canvas.height = canvas.offsetHeight;
canvas.width = canvas.offsetWidth;
gl.viewport(0, 0, canvas.width, canvas.height);
};
var generateStars = function generateStars() {
var starCount = animationSettings.starCount || 300;
var speedRange = animationSettings.speedRange || [2, 4];
var _speedRange = _slicedToArray(speedRange, 2),
minSpeed = _speedRange[0],
maxSpeed = _speedRange[1];
stars.current = new Array(starCount).fill().map(function () {
var _animationSettings$po;
return {
speed: minSpeed + Math.random() * (maxSpeed - minSpeed),
positionScale: (_animationSettings$po = animationSettings.positionScale) !== null && _animationSettings$po !== void 0 ? _animationSettings$po : 1.5,
alpha: 0.8 + Math.random() * 0.2,
x: Math.random() * 2 - 1,
y: Math.random() * 2 - 1,
z: 1 + Math.random() * 2
};
});
};
var drawWarpedStars = function drawWarpedStars() {
if (!mounted) {
return;
}
try {
var starSize = animationSettings.starSize || 4;
var _iterator = _createForOfIteratorHelper(stars.current),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var star = _step.value;
star.z -= star.speed * 0.01;
if (star.z < 0.2) {
star.z = 1 + Math.random() * 2;
}
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
var positions = [];
var alphas = [];
var _iterator2 = _createForOfIteratorHelper(stars.current),
_step2;
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
var _star = _step2.value;
var scale = _star.positionScale / _star.z;
positions.push(_star.x * scale, _star.y * scale, starSize * (1 - _star.z / 3));
alphas.push(_star.alpha * (1 - _star.z / 3));
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
var program = createProgram(vertexShaderSource, fragmentShaderSource);
gl.useProgram(program);
var uGlowColor = gl.getUniformLocation(program, "uGlowColor");
gl.uniform3fv(uGlowColor, new Float32Array(glowColor));
var uGlowStrength = gl.getUniformLocation(program, "uGlowStrength");
gl.uniform1f(uGlowStrength, glowStrength);
var posBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, posBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
var aPosition = gl.getAttribLocation(program, "aPosition");
gl.enableVertexAttribArray(aPosition);
gl.vertexAttribPointer(aPosition, 3, gl.FLOAT, false, 0, 0);
var alphaBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, alphaBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(alphas), gl.STATIC_DRAW);
var aAlpha = gl.getAttribLocation(program, "aAlpha");
gl.enableVertexAttribArray(aAlpha);
gl.vertexAttribPointer(aAlpha, 1, gl.FLOAT, false, 0, 0);
if (!useMotionBlur) {
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
} else {
gl.enable(gl.BLEND);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
gl.enable(gl.SCISSOR_TEST);
gl.scissor(0, 0, canvas.width, canvas.height);
gl.clearColor(0.0, 0.0, 0.0, blurFade);
gl.clear(gl.COLOR_BUFFER_BIT);
}
gl.drawArrays(gl.POINTS, 0, stars.current.length);
gl.deleteProgram(program);
} catch (error) {}
animationFrameID = requestAnimationFrame(drawWarpedStars);
};
resize();
if (animationType === "warped-stars") {
generateStars();
drawWarpedStars();
}
window.addEventListener("resize", resize);
return function () {
mounted = false;
cancelAnimationFrame(animationFrameID);
window.removeEventListener("resize", resize);
};
}, [animationType, animationSettings]);
return /*#__PURE__*/React.createElement("div", _extends({
style: _objectSpread({
position: "absolute",
overflow: "hidden",
height: "100%",
width: "100%",
top: 0,
left: 0
}, animatedCanvasBackgroundContainerConfigurationSettings !== null && animatedCanvasBackgroundContainerConfigurationSettings !== void 0 ? animatedCanvasBackgroundContainerConfigurationSettings : {})
}, animatedCanvasBackgroundContainerConfigurations !== null && animatedCanvasBackgroundContainerConfigurations !== void 0 ? animatedCanvasBackgroundContainerConfigurations : {}), /*#__PURE__*/React.createElement("canvas", _extends({
ref: canvasRef,
style: _objectSpread({
display: "block",
height: "100%",
width: "100%"
}, animatedCanvasBackgroundConfigurationSettings !== null && animatedCanvasBackgroundConfigurationSettings !== void 0 ? animatedCanvasBackgroundConfigurationSettings : {})
}, animatedCanvasBackgroundConfigurations !== null && animatedCanvasBackgroundConfigurations !== void 0 ? animatedCanvasBackgroundConfigurations : {})), /*#__PURE__*/React.createElement("div", _extends({
style: _objectSpread({
position: "absolute",
height: "100%",
width: "100%",
zIndex: 1,
left: 0,
top: 0
}, animatedCanvasBackgroundContentConfigurationSettings !== null && animatedCanvasBackgroundContentConfigurationSettings !== void 0 ? animatedCanvasBackgroundContentConfigurationSettings : {})
}, animatedCanvasBackgroundContentConfigurations !== null && animatedCanvasBackgroundContentConfigurations !== void 0 ? animatedCanvasBackgroundContentConfigurations : {}), children));
}
;
export default HUDAnimatedCanvasBackground;