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index.js
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index.js
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _react = _interopRequireDefault(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _reactP5Wrapper = _interopRequireDefault(require("react-p5-wrapper"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Stimulus =
/*#__PURE__*/
function (_React$Component) {
_inherits(Stimulus, _React$Component);
function Stimulus() {
_classCallCheck(this, Stimulus);
return _possibleConstructorReturn(this, _getPrototypeOf(Stimulus).apply(this, arguments));
}
_createClass(Stimulus, [{
key: "render",
value: function render() {
var _this$props = this.props,
coherence = _this$props.coherence,
direction = _this$props.direction;
return _react["default"].createElement("div", {
className: "stimulus"
}, _react["default"].createElement(_reactP5Wrapper["default"], {
sketch: Sketch,
alpha: coherence,
isRight: direction === "right",
seed: 42,
width: 300,
height: 300
}));
}
}]);
return Stimulus;
}(_react["default"].Component);
exports["default"] = Stimulus;
Stimulus.defaultProps = {
coherence: 1,
direction: "right"
};
Stimulus.propTypes = {
coherence: function coherence(props, propName, componentName) {
var weight = props[propName];
if (weight === undefined) {
return new Error("coherence is required");
}
if (isNaN(weight)) {
return new Error("coherence must be a number");
}
return weight >= 0 && weight <= 1 ? null : new Error("coherence must be within the range of 0 to 1");
},
direction: _propTypes["default"].oneOf(["left", "right"]).isRequired
};
function Sketch(p) {
var seed = 0;
var width = 0;
var height = 0;
var particles = [];
var alpha = 0;
var isRight = 0;
var redraw = true;
var Particle = function Particle(alpha, isRight) {
this.alpha = alpha;
this.isRight = isRight;
var vx, vy;
if (p.random() < this.alpha) {
vx = this.isRight * 1 + (1 - this.isRight) * -1;
} else {
if (p.random() < 0.5) {
vx = 1;
} else {
vx = -1;
}
}
vx = vx + p.random(-0.5, 0.5);
vy = p.random(-1, 1) * (1 - alpha);
var vectorLength = Math.sqrt(Math.pow(vx, 2) + Math.pow(vy, 2));
var velocity = p.random(0.5, 2);
vx = vx / vectorLength * velocity;
vy = vy / vectorLength * velocity;
this.accleration = p.createVector(0, 0);
this.velocity = p.createVector(vx, vy);
this.position = p.createVector(p.random(0, p.width), p.random(0, p.height));
this.shuffle = 0.15 * (1 - this.alpha);
};
Particle.prototype.run = function () {
this.display();
this.update();
};
Particle.prototype.update = function () {
if (this.position.x < 0) {
this.position.x += p.width;
}
if (this.position.x > p.width) {
this.position.x -= p.width;
}
if (this.position.y < 0) {
this.position.y += p.height;
}
if (this.position.y > p.height) {
this.position.y -= p.height;
}
if (p.random() < this.shuffle) {
this.position.x = p.random(0, p.width);
this.position.y = p.random(0, p.height);
}
this.velocity.add(this.acceleration);
this.position.add(this.velocity);
};
Particle.prototype.display = function () {
p.fill(255);
p.stroke(0, 0);
p.ellipse(this.position.x, this.position.y, p.width / 80, p.height / 80);
};
p.setup = function () {
p.createCanvas(400, 400);
for (var i = 0; i < 300; i++) {
particles[i] = new Particle(alpha, 1);
}
};
p.myCustomRedrawAccordingToNewPropsHandler = function (props) {
if (props.alpha !== alpha) {
alpha = props.alpha;
redraw = true;
}
if (props.isRight !== isRight) {
isRight = props.isRight;
redraw = true;
}
if (props.seed !== seed) {
seed = props.seed;
redraw = true;
}
if (props.width !== width || props.height !== height) {
width = props.width;
height = props.height;
p.resizeCanvas(width, height);
p.background(255, 255, 255);
p.fill(100);
var diameter = p.height < p.width ? p.height : p.width;
p.circle(diameter / 2, diameter / 2, diameter);
p.fill(100);
redraw = true;
}
if (redraw) {
p.randomSeed(seed);
for (var i = 0; i < 300; i++) {
particles[i] = new Particle(alpha, isRight);
}
redraw = false;
}
};
p.draw = function () {
p.background(255, 255, 255);
p.fill(100);
var diameter = p.height < p.width ? p.height : p.width;
p.circle(diameter / 2, diameter / 2, diameter);
p.fill(100);
for (var i = particles.length - 1; i >= 0; i--) {
particles[i].run();
}
};
}