diff --git a/js/animation3a.js b/js/animation3a.js index 1342c82..b8a8edd 100644 --- a/js/animation3a.js +++ b/js/animation3a.js @@ -8,8 +8,8 @@ import { CONTROLS, ENTITIES } from './enums'; function Animation3a() { this.options = { cohesion: true, - count: 2, - maxCount: 5, + count: 10, + maxCount: 1000, showVisionGrid: true, speed: 4 }; @@ -31,12 +31,15 @@ function Animation3a() { this.updateCount(this.options.count); // TODO extract Arc + // TODO get "top" leader, once...don't update each time? + // TODO if leader sees follower, assign to this leader? // TODO X dimension modified by core UI, maybe recalc grid in animation start? // TODO remove bottom padding from Disqus // TODO ANIM2ab randomize hazards // TODO fix "hangup" small radius evade bug // TODO ANIM3a perf Scale vision grid to 1000 particles + // TODO ANIM3a circular leadership // TODO hazard grid, particles grid // TODO completely seal Particle diff --git a/js/bundle.js b/js/bundle.js index 5e92513..b988c80 100644 --- a/js/bundle.js +++ b/js/bundle.js @@ -304,7 +304,7 @@ eval("\nvar ConnectableObservable_1 = __webpack_require__(/*! ../observable/Conn /***/ (function(module, exports, __webpack_require__) { "use strict"; -eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _rxjs = __webpack_require__(/*! rxjs */ 13);\n\nvar _rxjs2 = _interopRequireDefault(_rxjs);\n\nvar _enums = __webpack_require__(/*! ./enums */ 15);\n\nvar _store = __webpack_require__(/*! ./store */ 17);\n\nvar _store2 = _interopRequireDefault(_store);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar random = {\n bool: function bool(weight) {\n return Math.random() < (weight || 0.5);\n },\n color: function color() {\n return 'rgb(\\n ' + Math.floor(Math.random() * 170) + ',\\n ' + Math.floor(Math.random() * 170) + ',\\n ' + Math.floor(Math.random() * 170) + '\\n )';\n },\n id: function id() {\n return String.fromCharCode(random.num(65, 90), random.num(97, 122), random.num(97, 122), random.num(97, 122), random.num(97, 122), random.num(97, 122));\n },\n num: function num(min, max) {\n return min + Math.round(Math.random() * (max - min));\n }\n};\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n Object.defineProperty(this, 'config', {\n value: Object.assign({}, {\n behavior: _enums.BEHAVIOR.COHESION,\n bounds: bounds,\n color: random.color(),\n gridSize: 10,\n randomize: true,\n showMovementCircle: false,\n showVisionGrid: false,\n speed: 4,\n visionRadius: 200\n }, config)\n });\n\n Object.defineProperty(this, 'grids', {\n value: {\n global: globalGrid || {},\n vision: createVisionGrid(this.config)\n }\n });\n\n Object.defineProperty(this, 'id', {\n value: random.id(6)\n });\n\n Object.defineProperty(this, 'nodes', {\n value: {\n body: createBodyNode(this.config),\n circle: undefined,\n container: createContainerNode(this.config, this.id),\n parent: parent,\n visionGrid: undefined\n }\n });\n\n // TODO encapsulate better\n this.isLeader = false;\n this.leader = null;\n\n this.nodes.container.appendChild(this.nodes.body);\n parent.appendChild(this.nodes.container);\n\n this.arc = createArc(bounds, this.grids);\n this.updateConfig(this.config);\n this.nextFrame(globalGrid);\n};\n\n// ===== PROTOTYPE =====\n\nParticle.prototype.remove = function () {\n this.nodes.parent.removeChild(this.nodes.container);\n return this;\n};\n\nParticle.prototype.nextFrame = function (globalGrid) {\n var _this = this;\n\n // Randomly change radius and rotation direction.\n if (this.arc.length <= 0 && this.config.randomize) {\n this.arc = randomizeArc(this.arc);\n }\n\n this.arc = step(this.arc, this.config);\n\n if (this.leader !== null) {\n this.arc = followArc(this.arc, this.leader.arc);\n }\n\n this.grids.global = globalGrid;\n this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n var _look = look(this.arc, this.grids),\n hazards = _look.hazards,\n particles = _look.particles;\n\n if (this.leader === null && particles.length > 0) {\n var candidates = particles.filter(function (v) {\n return v.leader ? v.leader.id !== _this.id : true;\n });\n\n var leader = candidates.find(function (v) {\n return v.isLeader;\n }) || candidates[0];\n\n if (leader !== undefined) {\n leader.isLeader = true;\n\n console.warn(particles[0].id + ' is now a leader');\n console.log(this.id + ' is now following ' + leader.id);\n\n this.isLeader = false;\n this.leader = leader;\n }\n }\n\n // if (hazards.length) {\n // this.arc = evade(this.arc, this.grids.vision);\n // }\n\n repaintContainer(this.nodes.container, this.arc);\n repaintBody(this.nodes.body, this.arc, this.isLeader);\n repaintCircle(this.nodes.circle, this.arc);\n repaintVisionGrid(this.nodes.visionGrid, this.arc, this.grids);\n};\n\nParticle.prototype.updateConfig = function (config) {\n Object.assign(this.config, config);\n\n var _config = this.config,\n showMovementCircle = _config.showMovementCircle,\n showVisionGrid = _config.showVisionGrid;\n\n\n if (showMovementCircle === true && this.nodes.circle === undefined) {\n this.nodes.circle = createCircleNode(config);\n this.nodes.container.appendChild(this.nodes.circle);\n }\n\n if (showMovementCircle === false && this.nodes.circle !== undefined) {\n this.nodes.container.removeChild(this.nodes.circle);\n delete this.nodes.circle;\n }\n\n if (showVisionGrid === true && this.nodes.visionGrid === undefined) {\n this.nodes.visionGrid = createVisionGridNodes(this.config, this.grids, this.nodes);\n }\n\n if (showVisionGrid === false && this.nodes.visionGrid !== undefined) {\n delete this.nodex.visionGrid;\n }\n};\n\n// ===== CREATION =====\n\nfunction createArc(bounds, grids) {\n var arc = {\n centerX: random.num(0, bounds.width),\n centerY: random.num(0, bounds.height),\n clockwise: random.bool(),\n endX: 0,\n endY: 0,\n length: random.num(_enums.RAD.t90, _enums.RAD.t360),\n radius: random.num(100, 200),\n theta: random.num(_enums.RAD.t90, _enums.RAD.t360)\n };\n\n arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta);\n arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n arc = overflowArc(arc, bounds);\n\n var x = arc.endX - arc.endX % 5;\n var y = arc.endY - arc.endY % 5;\n\n // If starting in a hazard, recurse.\n if (grids.global[x] !== undefined && grids.global[x][y] !== undefined) {\n arc = createArc(bounds, grids);\n }\n\n return arc;\n}\n\nfunction createBodyNode(config) {\n var node = document.createElement('div');\n node.className = 'particle-body';\n node.style.backgroundColor = config.color;\n return node;\n}\n\nfunction createCircleNode(config) {\n if (config.showMovementCircle === false) {\n return undefined;\n }\n\n var node = document.createElement('div');\n node.className = 'particle-movement-circle';\n node.style.borderColor = config.color;\n return node;\n}\n\nfunction createContainerNode(config, id) {\n var node = document.createElement('div');\n node.className = 'particle-container';\n node.id = id;\n return node;\n}\n\nfunction createVisionGrid(config) {\n var side = config.gridSize,\n radius = config.visionRadius;\n\n var r0 = radius;\n var r1 = 20;\n\n var points = [];\n\n for (var x = -radius; x <= radius; x += side) {\n for (var y = -radius; y <= radius; y += side) {\n // Omit large slices of unused circle\n if (x > y || x < -y) {\n continue;\n }\n\n // Include vision band\n var r = Math.pow(Math.pow(x, 2) + Math.pow(y, 2), 0.5);\n if (r > r0 || r < r1) {\n continue;\n }\n\n var alpha = Math.atan(y / x);\n if (x < 0) {\n alpha += _enums.RAD.t180;\n }\n\n points.push({ x: x, y: y, r: r, alpha: alpha, touch: false });\n }\n }\n\n return points;\n}\n\nfunction createVisionGridNodes(config, grids, nodes) {\n if (config.showVisionGrid === false) {\n return undefined;\n }\n\n return grids.vision.reduce(function (acc, _ref) {\n var x = _ref.x,\n y = _ref.y;\n\n var div = document.createElement('div');\n div.className = 'particle-vision-dot';\n div.style.backgroundColor = config.color;\n nodes.container.appendChild(div);\n\n acc.push(div);\n\n return acc;\n }, []);\n}\n\n// ===== CALCULATIONS =====\n\nfunction step(arc, _ref2) {\n var bounds = _ref2.bounds,\n speed = _ref2.speed;\n\n // Ensure constant velocity and theta between 0 and 2π.\n var delta = speed / arc.radius;\n arc.length -= delta;\n\n arc.theta += arc.clockwise ? -delta : +delta;\n arc.theta = arc.theta > 0 ? arc.theta % _enums.RAD.t360 : _enums.RAD.t360 + arc.theta;\n\n arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta); // TODO perf here\n arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta); // TODO perf here\n\n // Overflow.\n arc = overflowArc(arc, bounds);\n\n return arc;\n}\n\nfunction randomizeArc(arc) {\n arc.length = random.num(_enums.RAD.t90, _enums.RAD.t360);\n\n arc = moveArc(arc, random.num(100, 200));\n\n if (random.bool(0.8)) {\n arc = reverseArc(arc);\n }\n\n return arc;\n}\n\nfunction overflowArc(arc, bounds) {\n if (arc.endX < 0) {\n arc.endX += bounds.width;\n arc.centerX += bounds.width;\n } else if (arc.endX > bounds.width) {\n arc.endX -= bounds.width;\n arc.centerX -= bounds.width;\n }\n\n if (arc.endY < 0) {\n arc.endY += bounds.height;\n arc.centerY += bounds.height;\n } else if (arc.endY > bounds.height) {\n arc.endY -= bounds.height;\n arc.centerY -= bounds.height;\n }\n\n return arc;\n}\n\nfunction moveArc(arc, newRadius) {\n var r0 = arc.radius;\n var r1 = newRadius;\n\n // Moves arc center to new radius while keeping theta constant.\n arc.centerX -= (r1 - r0) * Math.cos(arc.theta); // TODO perf here\n arc.centerY += (r1 - r0) * Math.sin(arc.theta); // TODO perf here\n arc.radius = r1;\n\n return arc;\n}\n\nfunction reverseArc(arc) {\n arc.clockwise = !arc.clockwise;\n\n arc.theta = (arc.theta + _enums.RAD.t180) % _enums.RAD.t360;\n\n arc.centerX -= 2 * arc.radius * Math.cos(arc.theta); // TODO perf here\n arc.centerY += 2 * arc.radius * Math.sin(arc.theta); // TODO perf here\n\n return arc;\n}\n\nfunction followArc(arc, arcToFollow) {\n if (arc.clockwise !== arcToFollow.clockwise) {\n arc = reverseArc(arc);\n }\n\n // if (Math.abs(arc.theta - arcToFollow.theta) > 0.1) {\n // arc = moveArc(arc, 20);\n // } else {\n // arc = moveArc(arc, arcToFollow.radius);\n // }\n\n return arc;\n}\n\nfunction updateVisionGrid(arc, config, grids) {\n var global = grids.global,\n vision = grids.vision;\n\n\n return vision.reduce(function (acc, point) {\n var rad = arc.clockwise ? point.alpha - arc.theta : point.alpha - arc.theta + _enums.RAD.t180;\n\n point.x = point.r * Math.cos(rad);\n point.y = point.r * Math.sin(rad);\n\n return acc.concat(point);\n }, []);\n}\n\n// ===== ACTIONS =====\nfunction look(arc, grids) {\n var global = grids.global,\n vision = grids.vision;\n\n\n return vision.reduce(function (acc, point) {\n var x = arc.endX + point.x;\n var y = arc.endY + point.y;\n var p = global.getPoint({ x: x, y: y, type: _enums.ENTITIES.PARTICLE });\n\n if (p) {\n acc.particles.push(p);\n }\n\n // if (global.getPoint({ x, y, type: ENTITIES.HAZARD })) {\n // acc.hazards.push({ x, y });\n // }\n\n return acc;\n }, { hazards: [], particles: [] });\n}\n\nfunction evade(arc, visionGrid) {}\n// const danger = visionGrid.reduce((acc, v) => acc || v.touch, false);\n//\n// if (danger === false) {\n// return arc;\n// }\n//\n// const evasionArc = moveArc(arc, 20);\n// evasionArc.length = 1;\n//\n// return evasionArc;\n\n\n// ===== RENDERING =====\nfunction repaintContainer(node, arc) {\n node.style.left = arc.endX + 'px';\n node.style.top = arc.endY + 'px';\n}\n\nfunction repaintBody(node, arc, isLeader) {\n var rad = arc.clockwise ? _enums.RAD.t180 - arc.theta : _enums.RAD.t360 - arc.theta;\n\n node.style.transform = 'rotate(' + (rad + _enums.RAD.t45) + 'rad)';\n\n isLeader ? node.style.outline = '1px solid red' : node.style.outline = '';\n}\n\nfunction repaintCircle(node, arc) {\n if (node === undefined) {\n return;\n }\n\n node.style.width = 2 * arc.radius + 'px';\n node.style.height = 2 * arc.radius + 'px';\n\n node.style.left = '-' + (arc.radius + arc.radius * Math.cos(arc.theta)) + 'px'; // TODO perf here\n node.style.top = '-' + (arc.radius - arc.radius * Math.sin(arc.theta)) + 'px'; // TODO perf here\n\n node.style.borderRadius = arc.radius + 'px';\n}\n\nfunction repaintVisionGrid(nodes, arc, grids) {\n if (nodes === undefined) {\n return;\n }\n\n grids.vision.forEach(function (_ref3, i) {\n var x = _ref3.x,\n y = _ref3.y,\n touch = _ref3.touch;\n\n nodes[i].style.left = x + 'px';\n nodes[i].style.top = y + 'px';\n\n nodes[i].style.border = touch ? '2px solid red' : '0';\n });\n}\n\nexports.default = Particle;//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"19.js","sources":["webpack:///js/particle.js?3bde"],"sourcesContent":["import Rx, { Observable } from 'rxjs';\nimport { BEHAVIOR, ENTITIES, RAD } from './enums';\nimport Store from './store';\n\nconst random = {\n    bool: (weight) => Math.random() < (weight || 0.5),\n    color: () => `rgb(\n        ${Math.floor(Math.random() * 170)},\n        ${Math.floor(Math.random() * 170)},\n        ${Math.floor(Math.random() * 170)}\n    )`,\n    id: () => String.fromCharCode(\n        random.num(65, 90), random.num(97, 122), random.num(97, 122),\n        random.num(97, 122), random.num(97, 122), random.num(97, 122)\n    ),\n    num: (min, max) => min + Math.round(Math.random() * (max - min)),\n}\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n    Object.defineProperty(this, 'config', {\n        value: Object.assign({}, {\n            behavior: BEHAVIOR.COHESION,\n            bounds,\n            color: random.color(),\n            gridSize: 10,\n            randomize: true,\n            showMovementCircle: false,\n            showVisionGrid: false,\n            speed: 4,\n            visionRadius: 200\n        }, config)\n    });\n\n    Object.defineProperty(this, 'grids', {\n        value: {\n            global: globalGrid || {},\n            vision: createVisionGrid(this.config)\n        }\n    });\n\n    Object.defineProperty(this, 'id', {\n        value: random.id(6)\n    });\n\n    Object.defineProperty(this, 'nodes', {\n        value: {\n            body: createBodyNode(this.config),\n            circle: undefined,\n            container: createContainerNode(this.config, this.id),\n            parent,\n            visionGrid: undefined,\n        }\n    });\n\n    // TODO encapsulate better\n    this.isLeader = false;\n    this.leader = null;\n\n    this.nodes.container.appendChild(this.nodes.body);\n    parent.appendChild(this.nodes.container);\n\n    this.arc = createArc(bounds, this.grids);\n    this.updateConfig(this.config);\n    this.nextFrame(globalGrid);\n};\n\n// ===== PROTOTYPE =====\n\nParticle.prototype.remove = function() {\n    this.nodes.parent.removeChild(this.nodes.container);\n    return this;\n}\n\nParticle.prototype.nextFrame = function(globalGrid) {\n    // Randomly change radius and rotation direction.\n    if (this.arc.length <= 0 && this.config.randomize) {\n        this.arc = randomizeArc(this.arc);\n    }\n\n    this.arc = step(this.arc, this.config);\n\n    if (this.leader !== null) {\n        this.arc = followArc(this.arc, this.leader.arc);\n    }\n\n    this.grids.global = globalGrid;\n    this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n    const { hazards, particles } = look(this.arc, this.grids);\n\n    if (this.leader === null && particles.length > 0) {\n        const candidates = particles\n            .filter(v => v.leader ? (v.leader.id !== this.id) : true);\n\n        const leader = candidates.find(v => v.isLeader) || candidates[0];\n\n        if (leader !== undefined) {\n            leader.isLeader = true;\n\n            console.warn(`${particles[0].id} is now a leader`);\n            console.log(`${this.id} is now following ${leader.id}`);\n\n            this.isLeader = false;\n            this.leader = leader;\n        }\n    }\n\n    // if (hazards.length) {\n        // this.arc = evade(this.arc, this.grids.vision);\n    // }\n\n    repaintContainer(this.nodes.container, this.arc);\n    repaintBody(this.nodes.body, this.arc, this.isLeader);\n    repaintCircle(this.nodes.circle, this.arc);\n    repaintVisionGrid(this.nodes.visionGrid, this.arc, this.grids);\n}\n\nParticle.prototype.updateConfig = function(config) {\n    Object.assign(this.config, config);\n\n    const { showMovementCircle, showVisionGrid } = this.config;\n\n    if (showMovementCircle === true && this.nodes.circle === undefined) {\n        this.nodes.circle = createCircleNode(config);\n        this.nodes.container.appendChild(this.nodes.circle);\n    }\n\n    if (showMovementCircle === false && this.nodes.circle !== undefined) {\n        this.nodes.container.removeChild(this.nodes.circle);\n        delete this.nodes.circle;\n    }\n\n    if (showVisionGrid === true && this.nodes.visionGrid === undefined) {\n        this.nodes.visionGrid = createVisionGridNodes(this.config, this.grids, this.nodes);\n    }\n\n    if (showVisionGrid === false && this.nodes.visionGrid !== undefined) {\n        delete this.nodex.visionGrid;\n    }\n}\n\n// ===== CREATION =====\n\nfunction createArc(bounds, grids) {\n    let arc = {\n        centerX: random.num(0, bounds.width),\n        centerY: random.num(0, bounds.height),\n        clockwise: random.bool(),\n        endX: 0,\n        endY: 0,\n        length: random.num(RAD.t90, RAD.t360),\n        radius: random.num(100, 200),\n        theta: random.num(RAD.t90, RAD.t360),\n    };\n\n    arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta);\n    arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n    arc = overflowArc(arc, bounds);\n\n    const x = arc.endX - arc.endX % 5;\n    const y = arc.endY - arc.endY % 5;\n\n    // If starting in a hazard, recurse.\n    if (grids.global[x] !== undefined && grids.global[x][y] !== undefined) {\n        arc = createArc(bounds, grids);\n    }\n\n    return arc;\n}\n\nfunction createBodyNode(config) {\n    const node = document.createElement('div');\n    node.className = 'particle-body';\n    node.style.backgroundColor = config.color;\n    return node;\n}\n\nfunction createCircleNode(config) {\n    if (config.showMovementCircle === false) {\n        return undefined;\n    }\n\n    const node = document.createElement('div');\n    node.className = 'particle-movement-circle';\n    node.style.borderColor = config.color;\n    return node;\n}\n\nfunction createContainerNode(config, id) {\n    const node = document.createElement('div');\n    node.className = 'particle-container';\n    node.id = id;\n    return node;\n}\n\nfunction createVisionGrid(config) {\n    const { gridSize: side, visionRadius: radius } = config;\n    const r0 = radius;\n    const r1 = 20;\n\n    const points = [];\n\n    for (let x = -radius; x <= radius; x += side) {\n        for (let y = -radius; y <= radius; y += side) {\n            // Omit large slices of unused circle\n            if (x > y || x < -y) {\n                continue;\n            }\n\n            // Include vision band\n            const r = Math.pow(Math.pow(x, 2) + Math.pow(y, 2), 0.5);\n            if (r > r0 || r < r1) {\n                continue;\n            }\n\n            let alpha = Math.atan(y / x);\n            if (x < 0) {\n                alpha += RAD.t180;\n            }\n\n            points.push({ x, y, r, alpha, touch: false });\n        }\n    }\n\n    return points;\n}\n\nfunction createVisionGridNodes(config, grids, nodes) {\n    if (config.showVisionGrid === false) {\n        return undefined;\n    }\n\n    return grids.vision.reduce((acc, { x, y }) => {\n        const div = document.createElement('div');\n        div.className = 'particle-vision-dot';\n        div.style.backgroundColor = config.color;\n        nodes.container.appendChild(div);\n\n        acc.push(div);\n\n        return acc;\n    }, []);\n}\n\n// ===== CALCULATIONS =====\n\nfunction step(arc, { bounds, speed }) {\n    // Ensure constant velocity and theta between 0 and 2π.\n    const delta = speed / arc.radius;\n    arc.length -= delta;\n\n    arc.theta += (arc.clockwise ? -delta : +delta);\n    arc.theta = (arc.theta > 0 ? arc.theta % RAD.t360 : RAD.t360 + arc.theta);\n\n    arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta); // TODO perf here\n    arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta); // TODO perf here\n\n    // Overflow.\n    arc = overflowArc(arc, bounds);\n\n    return arc;\n}\n\nfunction randomizeArc(arc) {\n    arc.length = random.num(RAD.t90, RAD.t360);\n\n    arc = moveArc(arc, random.num(100, 200));\n\n    if (random.bool(0.8)) {\n        arc = reverseArc(arc);\n    }\n\n    return arc;\n}\n\nfunction overflowArc(arc, bounds) {\n    if (arc.endX < 0) {\n        arc.endX += bounds.width;\n        arc.centerX += bounds.width\n    } else if (arc.endX > bounds.width) {\n        arc.endX -= bounds.width;\n        arc.centerX -= bounds.width\n    }\n\n    if (arc.endY < 0) {\n        arc.endY += bounds.height;\n        arc.centerY += bounds.height\n    } else if (arc.endY > bounds.height) {\n        arc.endY -= bounds.height;\n        arc.centerY -= bounds.height\n    }\n\n    return arc;\n}\n\nfunction moveArc(arc, newRadius) {\n    const r0 = arc.radius;\n    const r1 = newRadius;\n\n    // Moves arc center to new radius while keeping theta constant.\n    arc.centerX -= (r1 - r0) * Math.cos(arc.theta); // TODO perf here\n    arc.centerY += (r1 - r0) * Math.sin(arc.theta); // TODO perf here\n    arc.radius = r1;\n\n    return arc;\n}\n\nfunction reverseArc(arc) {\n    arc.clockwise = !arc.clockwise;\n\n    arc.theta = (arc.theta + RAD.t180) % RAD.t360;\n\n    arc.centerX -= (2 * arc.radius) * Math.cos(arc.theta); // TODO perf here\n    arc.centerY += (2 * arc.radius) * Math.sin(arc.theta); // TODO perf here\n\n    return arc;\n}\n\nfunction followArc(arc, arcToFollow) {\n    if (arc.clockwise !== arcToFollow.clockwise) {\n        arc = reverseArc(arc);\n    }\n\n    // if (Math.abs(arc.theta - arcToFollow.theta) > 0.1) {\n    //     arc = moveArc(arc, 20);\n    // } else {\n    //     arc = moveArc(arc, arcToFollow.radius);\n    // }\n\n    return arc;\n}\n\nfunction updateVisionGrid(arc, config, grids) {\n    const { global, vision } = grids;\n\n    return vision.reduce((acc, point) => {\n        const rad = arc.clockwise\n            ? point.alpha - arc.theta\n            : point.alpha - arc.theta + RAD.t180;\n\n        point.x = point.r * Math.cos(rad);\n        point.y = point.r * Math.sin(rad);\n\n        return acc.concat(point);\n    }, []);\n}\n\n// ===== ACTIONS =====\nfunction look(arc, grids) {\n    const { global, vision } = grids;\n\n    return vision.reduce((acc, point) => {\n        const x = arc.endX + point.x;\n        const y = arc.endY + point.y;\n        const p = global.getPoint({ x, y, type: ENTITIES.PARTICLE });\n\n        if (p) {\n            acc.particles.push(p);\n        }\n\n        // if (global.getPoint({ x, y, type: ENTITIES.HAZARD })) {\n        //     acc.hazards.push({ x, y });\n        // }\n\n        return acc;\n    }, { hazards: [], particles: [] });\n}\n\nfunction evade(arc, visionGrid) {\n    // const danger = visionGrid.reduce((acc, v) => acc || v.touch, false);\n    //\n    // if (danger === false) {\n    //     return arc;\n    // }\n    //\n    // const evasionArc = moveArc(arc, 20);\n    // evasionArc.length = 1;\n    //\n    // return evasionArc;\n}\n\n// ===== RENDERING =====\nfunction repaintContainer(node, arc) {\n    node.style.left = `${arc.endX}px`;\n    node.style.top = `${arc.endY}px`;\n}\n\nfunction repaintBody(node, arc, isLeader) {\n    const rad = arc.clockwise\n        ? RAD.t180 - arc.theta\n        : RAD.t360 - arc.theta;\n\n    node.style.transform = `rotate(${rad + RAD.t45}rad)`;\n\n    isLeader ? node.style.outline = '1px solid red' : node.style.outline = '';\n}\n\nfunction repaintCircle(node, arc) {\n    if (node === undefined) {\n        return;\n    }\n\n    node.style.width = `${2 * arc.radius}px`;\n    node.style.height = `${2 * arc.radius}px`;\n\n    node.style.left = `-${arc.radius + arc.radius * Math.cos(arc.theta)}px`;  // TODO perf here\n    node.style.top = `-${arc.radius - arc.radius * Math.sin(arc.theta)}px`;   // TODO perf here\n\n    node.style.borderRadius = `${arc.radius}px`;\n}\n\nfunction repaintVisionGrid(nodes, arc, grids) {\n    if (nodes === undefined) {\n        return;\n    }\n\n    grids.vision.forEach(({ x, y, touch }, i) => {\n        nodes[i].style.left = `${x}px`;\n        nodes[i].style.top = `${y}px`;\n\n        nodes[i].style.border = (touch ? 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obj : { default: obj }; }\n\nvar random = {\n bool: function bool(weight) {\n return Math.random() < (weight || 0.5);\n },\n color: function color() {\n return 'rgb(\\n ' + Math.floor(Math.random() * 230) + ',\\n ' + Math.floor(Math.random() * 230) + ',\\n ' + Math.floor(Math.random() * 230) + '\\n )';\n },\n id: function id() {\n return String.fromCharCode(random.num(65, 90), random.num(97, 122), random.num(97, 122)\n // random.num(97, 122), random.num(97, 122), random.num(97, 122)\n );\n },\n num: function num(min, max) {\n return min + Math.round(Math.random() * (max - min));\n }\n};\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n Object.defineProperty(this, 'config', {\n value: Object.assign({}, {\n behavior: _enums.BEHAVIOR.COHESION,\n bounds: bounds,\n color: random.color(),\n gridSize: 5,\n randomize: true,\n showMovementCircle: false,\n showVisionGrid: false,\n speed: 4,\n visionRadius: 50\n }, config)\n });\n\n Object.defineProperty(this, 'grids', {\n value: {\n global: globalGrid || {},\n vision: createVisionGrid(this.config)\n }\n });\n\n Object.defineProperty(this, 'id', {\n value: random.id(6)\n });\n\n Object.defineProperty(this, 'nodes', {\n value: {\n body: createBodyNode(this.config),\n circle: undefined,\n container: createContainerNode(this.config, this.id),\n parent: parent,\n visionGrid: undefined\n }\n });\n\n // TODO encapsulate better\n this.isLeader = false;\n this.leader = null;\n\n this.nodes.container.appendChild(this.nodes.body);\n parent.appendChild(this.nodes.container);\n\n this.arc = createArc(bounds, this.grids);\n this.updateConfig(this.config);\n this.nextFrame(globalGrid);\n};\n\n// ===== PROTOTYPE =====\n\nParticle.prototype.remove = function () {\n this.nodes.parent.removeChild(this.nodes.container);\n return this;\n};\n\nParticle.prototype.nextFrame = function (globalGrid) {\n var _this = this;\n\n // Randomly change radius and rotation direction.\n if (this.arc.length <= 0 && this.config.randomize) {\n this.arc = randomizeArc(this.arc);\n }\n\n this.arc = step(this.arc, this.config);\n\n if (this.leader !== null) {\n this.arc = followArc(this.arc, this.leader.arc);\n }\n\n this.grids.global = globalGrid;\n this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n var _look = look(this.arc, this.grids),\n hazards = _look.hazards,\n particles = _look.particles;\n\n if (this.leader === null && particles.length > 0) {\n var candidates = particles.filter(function (v) {\n return v.leader ? v.leader.id !== _this.id : true;\n });\n\n var leader = candidates.find(function (v) {\n return v.isLeader;\n }) || candidates[0];\n\n if (leader !== undefined) {\n leader.isLeader = true;\n\n // console.log(`${this.id} is now following ${leader.id}`);\n\n this.isLeader = false;\n this.leader = leader;\n }\n }\n\n this.updateLeader();\n\n // if (hazards.length) {\n // this.arc = evade(this.arc, this.grids.vision);\n // }\n\n repaintContainer(this.nodes.container, this.arc);\n repaintBody(this.nodes.body, this.arc, this.isLeader);\n repaintCircle(this.nodes.circle, this.arc);\n repaintVisionGrid(this.nodes.visionGrid, this.arc, this.grids);\n};\n\nParticle.prototype.updateConfig = function (config) {\n Object.assign(this.config, config);\n\n var _config = this.config,\n showMovementCircle = _config.showMovementCircle,\n showVisionGrid = _config.showVisionGrid;\n\n\n if (showMovementCircle === true && this.nodes.circle === undefined) {\n this.nodes.circle = createCircleNode(config);\n this.nodes.container.appendChild(this.nodes.circle);\n }\n\n if (showMovementCircle === false && this.nodes.circle !== undefined) {\n this.nodes.container.removeChild(this.nodes.circle);\n delete this.nodes.circle;\n }\n\n if (showVisionGrid === true && this.nodes.visionGrid === undefined) {\n this.nodes.visionGrid = createVisionGridNodes(this.config, this.grids, this.nodes);\n }\n\n if (showVisionGrid === false && this.nodes.visionGrid !== undefined) {\n delete this.nodex.visionGrid;\n }\n};\n\nParticle.prototype.updateLeader = function () {\n if (this.leader === null) {\n return;\n }\n\n while (this.leader.leader !== null) {\n this.leader.isLeader = false;\n this.leader = this.leader.leader;\n // console.error(this.id, 'is now following', this.leader.id)\n }\n\n // Prevents circular leadership, where a leader sees its tail.\n if (this.leader.id === this.id) {\n this.leader = null;\n }\n};\n\n// ===== CREATION =====\n\nfunction createArc(bounds, grids) {\n var arc = {\n centerX: random.num(0, bounds.width),\n centerY: random.num(0, bounds.height),\n clockwise: random.bool(),\n endX: 0,\n endY: 0,\n length: random.num(_enums.RAD.t90, _enums.RAD.t360),\n radius: random.num(100, 200),\n theta: random.num(_enums.RAD.t90, _enums.RAD.t360)\n };\n\n arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta);\n arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n arc = overflowArc(arc, bounds);\n\n var x = arc.endX - arc.endX % 5;\n var y = arc.endY - arc.endY % 5;\n\n // If starting in a hazard, recurse.\n if (grids.global[x] !== undefined && grids.global[x][y] !== undefined) {\n arc = createArc(bounds, grids);\n }\n\n return arc;\n}\n\nfunction createBodyNode(config) {\n var node = document.createElement('div');\n node.className = 'particle-body';\n node.style.backgroundColor = config.color;\n return node;\n}\n\nfunction createCircleNode(config) {\n if (config.showMovementCircle === false) {\n return undefined;\n }\n\n var node = document.createElement('div');\n node.className = 'particle-movement-circle';\n node.style.borderColor = config.color;\n return node;\n}\n\nfunction createContainerNode(config, id) {\n var node = document.createElement('div');\n node.className = 'particle-container';\n node.id = id;\n return node;\n}\n\nfunction createVisionGrid(config) {\n var side = config.gridSize,\n radius = config.visionRadius;\n\n var r0 = radius;\n var r1 = 30;\n\n var points = [];\n\n for (var x = -radius; x <= radius; x += side) {\n for (var y = -radius; y <= radius; y += side) {\n // Omit large slices of unused circle\n if (x > y || x < -y) {\n continue;\n }\n\n // Include vision band\n var r = Math.pow(Math.pow(x, 2) + Math.pow(y, 2), 0.5);\n if (r > r0 || r < r1) {\n continue;\n }\n\n var alpha = Math.atan(y / x);\n if (x < 0) {\n alpha += _enums.RAD.t180;\n }\n\n points.push({ x: x, y: y, r: r, alpha: alpha, touch: false });\n }\n }\n\n return points;\n}\n\nfunction createVisionGridNodes(config, grids, nodes) {\n if (config.showVisionGrid === false) {\n return undefined;\n }\n\n return grids.vision.reduce(function (acc, _ref) {\n var x = _ref.x,\n y = _ref.y;\n\n var div = document.createElement('div');\n div.className = 'particle-vision-dot';\n div.style.backgroundColor = config.color;\n nodes.container.appendChild(div);\n\n acc.push(div);\n\n return acc;\n }, []);\n}\n\n// ===== CALCULATIONS =====\n\nfunction step(arc, _ref2) {\n var bounds = _ref2.bounds,\n speed = _ref2.speed;\n\n // Ensure constant velocity and theta between 0 and 2π.\n var delta = speed / arc.radius;\n arc.length -= delta;\n\n arc.theta += arc.clockwise ? -delta : +delta;\n arc.theta = arc.theta > 0 ? arc.theta % _enums.RAD.t360 : _enums.RAD.t360 + arc.theta;\n\n arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta); // TODO perf here\n arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta); // TODO perf here\n\n // Overflow.\n arc = overflowArc(arc, bounds);\n\n return arc;\n}\n\nfunction randomizeArc(arc) {\n arc.length = random.num(_enums.RAD.t90, _enums.RAD.t360);\n\n arc = moveArc(arc, random.num(100, 200));\n\n if (random.bool(0.8)) {\n arc = reverseArc(arc);\n }\n\n return arc;\n}\n\nfunction overflowArc(arc, bounds) {\n if (arc.endX < 0) {\n arc.endX += bounds.width;\n arc.centerX += bounds.width;\n } else if (arc.endX > bounds.width) {\n arc.endX -= bounds.width;\n arc.centerX -= bounds.width;\n }\n\n if (arc.endY < 0) {\n arc.endY += bounds.height;\n arc.centerY += bounds.height;\n } else if (arc.endY > bounds.height) {\n arc.endY -= bounds.height;\n arc.centerY -= bounds.height;\n }\n\n return arc;\n}\n\nfunction moveArc(arc, newRadius) {\n var r0 = arc.radius;\n var r1 = newRadius;\n\n // Moves arc center to new radius while keeping theta constant.\n arc.centerX -= (r1 - r0) * Math.cos(arc.theta); // TODO perf here\n arc.centerY += (r1 - r0) * Math.sin(arc.theta); // TODO perf here\n arc.radius = r1;\n\n return arc;\n}\n\nfunction reverseArc(arc) {\n arc.clockwise = !arc.clockwise;\n\n arc.theta = (arc.theta + _enums.RAD.t180) % _enums.RAD.t360;\n\n arc.centerX -= 2 * arc.radius * Math.cos(arc.theta); // TODO perf here\n arc.centerY += 2 * arc.radius * Math.sin(arc.theta); // TODO perf here\n\n return arc;\n}\n\nfunction followArc(arc, arcToFollow) {\n if (arc.clockwise !== arcToFollow.clockwise) {\n arc = reverseArc(arc);\n }\n\n if (Math.abs(arc.theta - arcToFollow.theta) > 0.1) {\n arc = moveArc(arc, 20);\n } else {\n arc = moveArc(arc, arcToFollow.radius);\n }\n\n return arc;\n}\n\nfunction updateVisionGrid(arc, config, grids) {\n var global = grids.global,\n vision = grids.vision;\n\n\n return vision.reduce(function (acc, point) {\n var rad = arc.clockwise ? point.alpha - arc.theta : point.alpha - arc.theta + _enums.RAD.t180;\n\n point.x = point.r * Math.cos(rad);\n point.y = point.r * Math.sin(rad);\n\n return acc.concat(point);\n }, []);\n}\n\n// ===== ACTIONS =====\nfunction look(arc, grids) {\n var global = grids.global,\n vision = grids.vision;\n\n\n return vision.reduce(function (acc, point) {\n var x = arc.endX + point.x;\n var y = arc.endY + point.y;\n var p = global.getPoint({ x: x, y: y, type: _enums.ENTITIES.PARTICLE });\n\n if (p) {\n acc.particles.push(p);\n }\n\n // if (global.getPoint({ x, y, type: ENTITIES.HAZARD })) {\n // acc.hazards.push({ x, y });\n // }\n\n return acc;\n }, { hazards: [], particles: [] });\n}\n\nfunction evade(arc, visionGrid) {}\n// const danger = visionGrid.reduce((acc, v) => acc || v.touch, false);\n//\n// if (danger === false) {\n// return arc;\n// }\n//\n// const evasionArc = moveArc(arc, 20);\n// evasionArc.length = 1;\n//\n// return evasionArc;\n\n\n// ===== RENDERING =====\nfunction repaintContainer(node, arc) {\n node.style.left = arc.endX + 'px';\n node.style.top = arc.endY + 'px';\n}\n\nfunction repaintBody(node, arc, isLeader) {\n var rad = arc.clockwise ? _enums.RAD.t180 - arc.theta : _enums.RAD.t360 - arc.theta;\n\n node.style.transform = 'rotate(' + (rad + _enums.RAD.t45) + 'rad)';\n\n isLeader ? node.style.outline = '1px solid red' : node.style.outline = '';\n}\n\nfunction repaintCircle(node, arc) {\n if (node === undefined) {\n return;\n }\n\n node.style.width = 2 * arc.radius + 'px';\n node.style.height = 2 * arc.radius + 'px';\n\n node.style.left = '-' + (arc.radius + arc.radius * Math.cos(arc.theta)) + 'px'; // TODO perf here\n node.style.top = '-' + (arc.radius - arc.radius * Math.sin(arc.theta)) + 'px'; // TODO perf here\n\n node.style.borderRadius = arc.radius + 'px';\n}\n\nfunction repaintVisionGrid(nodes, arc, grids) {\n if (nodes === undefined) {\n return;\n }\n\n grids.vision.forEach(function (_ref3, i) {\n var x = _ref3.x,\n y = _ref3.y,\n touch = _ref3.touch;\n\n nodes[i].style.left = x + 'px';\n nodes[i].style.top = y + 'px';\n\n nodes[i].style.border = touch ? '2px solid red' : '0';\n });\n}\n\nexports.default = Particle;//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"19.js","sources":["webpack:///js/particle.js?3bde"],"sourcesContent":["import Rx, { Observable } from 'rxjs';\nimport { BEHAVIOR, ENTITIES, RAD } from './enums';\nimport Store from './store';\n\nconst random = {\n    bool: (weight) => Math.random() < (weight || 0.5),\n    color: () => `rgb(\n        ${Math.floor(Math.random() * 230)},\n        ${Math.floor(Math.random() * 230)},\n        ${Math.floor(Math.random() * 230)}\n    )`,\n    id: () => String.fromCharCode(\n        random.num(65, 90), random.num(97, 122), random.num(97, 122)\n        // random.num(97, 122), random.num(97, 122), random.num(97, 122)\n    ),\n    num: (min, max) => min + Math.round(Math.random() * (max - min)),\n}\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n    Object.defineProperty(this, 'config', {\n        value: Object.assign({}, {\n            behavior: BEHAVIOR.COHESION,\n            bounds,\n            color: random.color(),\n            gridSize: 5,\n            randomize: true,\n            showMovementCircle: false,\n            showVisionGrid: false,\n            speed: 4,\n            visionRadius: 50\n        }, config)\n    });\n\n    Object.defineProperty(this, 'grids', {\n        value: {\n            global: globalGrid || {},\n            vision: createVisionGrid(this.config)\n        }\n    });\n\n    Object.defineProperty(this, 'id', {\n        value: random.id(6)\n    });\n\n    Object.defineProperty(this, 'nodes', {\n        value: {\n            body: createBodyNode(this.config),\n            circle: undefined,\n            container: createContainerNode(this.config, this.id),\n            parent,\n            visionGrid: undefined,\n        }\n    });\n\n    // TODO encapsulate better\n    this.isLeader = false;\n    this.leader = null;\n\n    this.nodes.container.appendChild(this.nodes.body);\n    parent.appendChild(this.nodes.container);\n\n    this.arc = createArc(bounds, this.grids);\n    this.updateConfig(this.config);\n    this.nextFrame(globalGrid);\n};\n\n// ===== PROTOTYPE =====\n\nParticle.prototype.remove = function() {\n    this.nodes.parent.removeChild(this.nodes.container);\n    return this;\n}\n\nParticle.prototype.nextFrame = function(globalGrid) {\n    // Randomly change radius and rotation direction.\n    if (this.arc.length <= 0 && this.config.randomize) {\n        this.arc = randomizeArc(this.arc);\n    }\n\n    this.arc = step(this.arc, this.config);\n\n    if (this.leader !== null) {\n        this.arc = followArc(this.arc, this.leader.arc);\n    }\n\n    this.grids.global = globalGrid;\n    this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n    const { hazards, particles } = look(this.arc, this.grids);\n\n    if (this.leader === null && particles.length > 0) {\n        const candidates = particles\n            .filter(v => v.leader ? (v.leader.id !== this.id) : true);\n\n        const leader = candidates.find(v => v.isLeader) || candidates[0];\n\n        if (leader !== undefined) {\n            leader.isLeader = true;\n\n            // console.log(`${this.id} is now following ${leader.id}`);\n\n            this.isLeader = false;\n            this.leader = leader;\n        }\n    }\n\n    this.updateLeader();\n\n    // if (hazards.length) {\n        // this.arc = evade(this.arc, this.grids.vision);\n    // }\n\n    repaintContainer(this.nodes.container, this.arc);\n    repaintBody(this.nodes.body, this.arc, this.isLeader);\n    repaintCircle(this.nodes.circle, this.arc);\n    repaintVisionGrid(this.nodes.visionGrid, this.arc, this.grids);\n}\n\nParticle.prototype.updateConfig = function(config) {\n    Object.assign(this.config, config);\n\n    const { showMovementCircle, showVisionGrid } = this.config;\n\n    if (showMovementCircle === true && this.nodes.circle === undefined) {\n        this.nodes.circle = createCircleNode(config);\n        this.nodes.container.appendChild(this.nodes.circle);\n    }\n\n    if (showMovementCircle === false && this.nodes.circle !== undefined) {\n        this.nodes.container.removeChild(this.nodes.circle);\n        delete this.nodes.circle;\n    }\n\n    if (showVisionGrid === true && this.nodes.visionGrid === undefined) {\n        this.nodes.visionGrid = createVisionGridNodes(this.config, this.grids, this.nodes);\n    }\n\n    if (showVisionGrid === false && this.nodes.visionGrid !== undefined) {\n        delete this.nodex.visionGrid;\n    }\n}\n\nParticle.prototype.updateLeader = function() {\n    if (this.leader === null) {\n        return;\n    }\n\n    while (this.leader.leader !== null) {\n        this.leader.isLeader = false;\n        this.leader = this.leader.leader;\n        // console.error(this.id, 'is now following', this.leader.id)\n    }\n\n    // Prevents circular leadership, where a leader sees its tail.\n    if (this.leader.id === this.id) {\n        this.leader = null;\n    }\n}\n\n// ===== CREATION =====\n\nfunction createArc(bounds, grids) {\n    let arc = {\n        centerX: random.num(0, bounds.width),\n        centerY: random.num(0, bounds.height),\n        clockwise: random.bool(),\n        endX: 0,\n        endY: 0,\n        length: random.num(RAD.t90, RAD.t360),\n        radius: random.num(100, 200),\n        theta: random.num(RAD.t90, RAD.t360),\n    };\n\n    arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta);\n    arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n    arc = overflowArc(arc, bounds);\n\n    const x = arc.endX - arc.endX % 5;\n    const y = arc.endY - arc.endY % 5;\n\n    // If starting in a hazard, recurse.\n    if (grids.global[x] !== undefined && grids.global[x][y] !== undefined) {\n        arc = createArc(bounds, grids);\n    }\n\n    return arc;\n}\n\nfunction createBodyNode(config) {\n    const node = document.createElement('div');\n    node.className = 'particle-body';\n    node.style.backgroundColor = config.color;\n    return node;\n}\n\nfunction createCircleNode(config) {\n    if (config.showMovementCircle === false) {\n        return undefined;\n    }\n\n    const node = document.createElement('div');\n    node.className = 'particle-movement-circle';\n    node.style.borderColor = config.color;\n    return node;\n}\n\nfunction createContainerNode(config, id) {\n    const node = document.createElement('div');\n    node.className = 'particle-container';\n    node.id = id;\n    return node;\n}\n\nfunction createVisionGrid(config) {\n    const { gridSize: side, visionRadius: radius } = config;\n    const r0 = radius;\n    const r1 = 30;\n\n    const points = [];\n\n    for (let x = -radius; x <= radius; x += side) {\n        for (let y = -radius; y <= radius; y += side) {\n            // Omit large slices of unused circle\n            if (x > y || x < -y) {\n                continue;\n            }\n\n            // Include vision band\n            const r = Math.pow(Math.pow(x, 2) + Math.pow(y, 2), 0.5);\n            if (r > r0 || r < r1) {\n                continue;\n            }\n\n            let alpha = Math.atan(y / x);\n            if (x < 0) {\n                alpha += RAD.t180;\n            }\n\n            points.push({ x, y, r, alpha, touch: false });\n        }\n    }\n\n    return points;\n}\n\nfunction createVisionGridNodes(config, grids, nodes) {\n    if (config.showVisionGrid === false) {\n        return undefined;\n    }\n\n    return grids.vision.reduce((acc, { x, y }) => {\n        const div = document.createElement('div');\n        div.className = 'particle-vision-dot';\n        div.style.backgroundColor = config.color;\n        nodes.container.appendChild(div);\n\n        acc.push(div);\n\n        return acc;\n    }, []);\n}\n\n// ===== CALCULATIONS =====\n\nfunction step(arc, { bounds, speed }) {\n    // Ensure constant velocity and theta between 0 and 2π.\n    const delta = speed / arc.radius;\n    arc.length -= delta;\n\n    arc.theta += (arc.clockwise ? -delta : +delta);\n    arc.theta = (arc.theta > 0 ? arc.theta % RAD.t360 : RAD.t360 + arc.theta);\n\n    arc.endX = arc.centerX + arc.radius * Math.cos(arc.theta); // TODO perf here\n    arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta); // TODO perf here\n\n    // Overflow.\n    arc = overflowArc(arc, bounds);\n\n    return arc;\n}\n\nfunction randomizeArc(arc) {\n    arc.length = random.num(RAD.t90, RAD.t360);\n\n    arc = moveArc(arc, random.num(100, 200));\n\n    if (random.bool(0.8)) {\n        arc = reverseArc(arc);\n    }\n\n    return arc;\n}\n\nfunction overflowArc(arc, bounds) {\n    if (arc.endX < 0) {\n        arc.endX += bounds.width;\n        arc.centerX += bounds.width\n    } else if (arc.endX > bounds.width) {\n        arc.endX -= bounds.width;\n        arc.centerX -= bounds.width\n    }\n\n    if (arc.endY < 0) {\n        arc.endY += bounds.height;\n        arc.centerY += bounds.height\n    } else if (arc.endY > bounds.height) {\n        arc.endY -= bounds.height;\n        arc.centerY -= bounds.height\n    }\n\n    return arc;\n}\n\nfunction moveArc(arc, newRadius) {\n    const r0 = arc.radius;\n    const r1 = newRadius;\n\n    // Moves arc center to new radius while keeping theta constant.\n    arc.centerX -= (r1 - r0) * Math.cos(arc.theta); // TODO perf here\n    arc.centerY += (r1 - r0) * Math.sin(arc.theta); // TODO perf here\n    arc.radius = r1;\n\n    return arc;\n}\n\nfunction reverseArc(arc) {\n    arc.clockwise = !arc.clockwise;\n\n    arc.theta = (arc.theta + RAD.t180) % RAD.t360;\n\n    arc.centerX -= (2 * arc.radius) * Math.cos(arc.theta); // TODO perf here\n    arc.centerY += (2 * arc.radius) * Math.sin(arc.theta); // TODO perf here\n\n    return arc;\n}\n\nfunction followArc(arc, arcToFollow) {\n    if (arc.clockwise !== arcToFollow.clockwise) {\n        arc = reverseArc(arc);\n    }\n\n    if (Math.abs(arc.theta - arcToFollow.theta) > 0.1) {\n        arc = moveArc(arc, 20);\n    } else {\n        arc = moveArc(arc, arcToFollow.radius);\n    }\n\n    return arc;\n}\n\nfunction updateVisionGrid(arc, config, grids) {\n    const { global, vision } = grids;\n\n    return vision.reduce((acc, point) => {\n        const rad = arc.clockwise\n            ? point.alpha - arc.theta\n            : point.alpha - arc.theta + RAD.t180;\n\n        point.x = point.r * Math.cos(rad);\n        point.y = point.r * Math.sin(rad);\n\n        return acc.concat(point);\n    }, []);\n}\n\n// ===== ACTIONS =====\nfunction look(arc, grids) {\n    const { global, vision } = grids;\n\n    return vision.reduce((acc, point) => {\n        const x = arc.endX + point.x;\n        const y = arc.endY + point.y;\n        const p = global.getPoint({ x, y, type: ENTITIES.PARTICLE });\n\n        if (p) {\n            acc.particles.push(p);\n        }\n\n        // if (global.getPoint({ x, y, type: ENTITIES.HAZARD })) {\n        //     acc.hazards.push({ x, y });\n        // }\n\n        return acc;\n    }, { hazards: [], particles: [] });\n}\n\nfunction evade(arc, visionGrid) {\n    // const danger = visionGrid.reduce((acc, v) => acc || v.touch, false);\n    //\n    // if (danger === false) {\n    //     return arc;\n    // }\n    //\n    // const evasionArc = moveArc(arc, 20);\n    // evasionArc.length = 1;\n    //\n    // return evasionArc;\n}\n\n// ===== RENDERING =====\nfunction repaintContainer(node, arc) {\n    node.style.left = `${arc.endX}px`;\n    node.style.top = `${arc.endY}px`;\n}\n\nfunction repaintBody(node, arc, isLeader) {\n    const rad = arc.clockwise\n        ? RAD.t180 - arc.theta\n        : RAD.t360 - arc.theta;\n\n    node.style.transform = `rotate(${rad + RAD.t45}rad)`;\n\n    isLeader ? node.style.outline = '1px solid red' : node.style.outline = '';\n}\n\nfunction repaintCircle(node, arc) {\n    if (node === undefined) {\n        return;\n    }\n\n    node.style.width = `${2 * arc.radius}px`;\n    node.style.height = `${2 * arc.radius}px`;\n\n    node.style.left = `-${arc.radius + arc.radius * Math.cos(arc.theta)}px`;  // TODO perf here\n    node.style.top = `-${arc.radius - arc.radius * Math.sin(arc.theta)}px`;   // TODO perf here\n\n    node.style.borderRadius = `${arc.radius}px`;\n}\n\nfunction repaintVisionGrid(nodes, arc, grids) {\n    if (nodes === undefined) {\n        return;\n    }\n\n    grids.vision.forEach(({ x, y, touch }, i) => {\n        nodes[i].style.left = `${x}px`;\n        nodes[i].style.top = `${y}px`;\n\n        nodes[i].style.border = (touch ? '2px solid red' : '0');\n    });\n}\n\nexport default Particle;\n\n\n\n// WEBPACK FOOTER //\n// 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/***/ }), /* 20 */ @@ -954,7 +954,7 @@ eval("var g;\r\n\r\n// This works in non-strict mode\r\ng = (function() {\r\n\tr /***/ (function(module, exports, __webpack_require__) { "use strict"; -eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _rxjs = __webpack_require__(/*! rxjs */ 13);\n\nvar _rxjs2 = _interopRequireDefault(_rxjs);\n\nvar _grid = __webpack_require__(/*! ./grid */ 359);\n\nvar _grid2 = _interopRequireDefault(_grid);\n\nvar _particle = __webpack_require__(/*! ./particle */ 19);\n\nvar _particle2 = _interopRequireDefault(_particle);\n\nvar _store = __webpack_require__(/*! ./store */ 17);\n\nvar _store2 = _interopRequireDefault(_store);\n\nvar _controls = __webpack_require__(/*! ./controls */ 16);\n\nvar _controls2 = _interopRequireDefault(_controls);\n\nvar _enums = __webpack_require__(/*! ./enums */ 15);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Animation3a() {\n this.options = {\n cohesion: true,\n count: 2,\n maxCount: 5,\n showVisionGrid: true,\n speed: 4\n };\n\n this.container = document.getElementById('animation3a');\n this.bounds = this.container.getBoundingClientRect();\n\n this.particles = [];\n this.globalGrid = new _grid2.default();\n\n var controls = new _controls2.default(document.getElementById('controls3a'), this.options);\n\n controls.mount().subscribe(this.subscriber.bind(this));\n\n this.updateAnimating(this.options.animating);\n this.updateCount(this.options.count);\n\n // TODO extract Arc\n // TODO X dimension modified by core UI, maybe recalc grid in animation start?\n // TODO remove bottom padding from Disqus\n // TODO ANIM2ab randomize hazards\n // TODO fix \"hangup\" small radius evade bug\n\n // TODO ANIM3a perf Scale vision grid to 1000 particles\n // TODO hazard grid, particles grid\n // TODO completely seal Particle\n\n // TODO ANIM3a cohesion\n // TODO ANIM3b separation\n // TODO ANIM3c alignment\n};\n\nAnimation3a.prototype.subscriber = function (_ref) {\n var key = _ref.key,\n value = _ref.value;\n\n switch (key) {\n case _enums.CONTROLS.ANIMATING:\n this.updateAnimating(value);break;\n case _enums.CONTROLS.COUNT:\n this.updateCount(value);break;\n case _enums.CONTROLS.SPEED:\n this.updateSpeed(value);break;\n }\n};\n\nAnimation3a.prototype.nextFrame = function () {\n var _this = this;\n\n this.particles.forEach(function (p) {\n var prevX = p.arc.endX;\n var prevY = p.arc.endY;\n\n p.nextFrame(_this.globalGrid);\n\n _this.globalGrid.deletePoint({ x: prevX, y: prevY, type: _enums.ENTITIES.PARTICLE });\n _this.globalGrid.setPoint({ x: p.arc.endX, y: p.arc.endY, type: _enums.ENTITIES.PARTICLE }, p);\n });\n};\n\nAnimation3a.prototype.updateAnimating = function (isAnimating) {\n var _this2 = this;\n\n this.options.animating = isAnimating;\n\n if (isAnimating) {\n var fps$ = _rxjs2.default.Observable.interval(1000 / 32).takeWhile(function (_) {\n return _this2.options.animating;\n });\n\n fps$.subscribe(this.nextFrame.bind(this));\n }\n};\n\nAnimation3a.prototype.updateCount = function (count) {\n while (this.particles.length > count) {\n delete this.particles.pop().remove();\n }\n\n while (this.particles.length < count) {\n var p = new _particle2.default(this.container, this.bounds, this.options, this.globalGrid);\n this.particles.push(p);\n }\n};\n\nAnimation3a.prototype.updateSpeed = function (value) {\n this.options.speed = value;\n this.particles.forEach(function (p) {\n return p.updateConfig({ speed: value });\n });\n};\n\nexports.default = Animation3a;//# 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+eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _rxjs = __webpack_require__(/*! rxjs */ 13);\n\nvar _rxjs2 = _interopRequireDefault(_rxjs);\n\nvar _grid = __webpack_require__(/*! ./grid */ 359);\n\nvar _grid2 = _interopRequireDefault(_grid);\n\nvar _particle = __webpack_require__(/*! ./particle */ 19);\n\nvar _particle2 = _interopRequireDefault(_particle);\n\nvar _store = __webpack_require__(/*! ./store */ 17);\n\nvar _store2 = _interopRequireDefault(_store);\n\nvar _controls = __webpack_require__(/*! ./controls */ 16);\n\nvar _controls2 = _interopRequireDefault(_controls);\n\nvar _enums = __webpack_require__(/*! ./enums */ 15);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Animation3a() {\n this.options = {\n cohesion: true,\n count: 10,\n maxCount: 1000,\n showVisionGrid: true,\n speed: 4\n };\n\n this.container = document.getElementById('animation3a');\n this.bounds = this.container.getBoundingClientRect();\n\n this.particles = [];\n this.globalGrid = new _grid2.default();\n\n var controls = new _controls2.default(document.getElementById('controls3a'), this.options);\n\n controls.mount().subscribe(this.subscriber.bind(this));\n\n this.updateAnimating(this.options.animating);\n this.updateCount(this.options.count);\n\n // TODO extract Arc\n // TODO get \"top\" leader, once...don't update each time?\n // TODO if leader sees follower, assign to this leader?\n // TODO X dimension modified by core UI, maybe recalc grid in animation start?\n // TODO remove bottom padding from Disqus\n // TODO ANIM2ab randomize hazards\n // TODO fix \"hangup\" small radius evade bug\n\n // TODO ANIM3a perf Scale vision grid to 1000 particles\n // TODO ANIM3a circular leadership\n // TODO hazard grid, particles grid\n // TODO completely seal Particle\n\n // TODO ANIM3a cohesion\n // TODO ANIM3b separation\n // TODO ANIM3c alignment\n};\n\nAnimation3a.prototype.subscriber = function (_ref) {\n var key = _ref.key,\n value = _ref.value;\n\n switch (key) {\n case _enums.CONTROLS.ANIMATING:\n this.updateAnimating(value);break;\n case _enums.CONTROLS.COUNT:\n this.updateCount(value);break;\n case _enums.CONTROLS.SPEED:\n this.updateSpeed(value);break;\n }\n};\n\nAnimation3a.prototype.nextFrame = function () {\n var _this = this;\n\n this.particles.forEach(function (p) {\n var prevX = p.arc.endX;\n var prevY = p.arc.endY;\n\n p.nextFrame(_this.globalGrid);\n\n _this.globalGrid.deletePoint({ x: prevX, y: prevY, type: _enums.ENTITIES.PARTICLE });\n _this.globalGrid.setPoint({ x: p.arc.endX, y: p.arc.endY, type: _enums.ENTITIES.PARTICLE }, p);\n });\n};\n\nAnimation3a.prototype.updateAnimating = function (isAnimating) {\n var _this2 = this;\n\n this.options.animating = isAnimating;\n\n if (isAnimating) {\n var fps$ = _rxjs2.default.Observable.interval(1000 / 32).takeWhile(function (_) {\n return _this2.options.animating;\n });\n\n fps$.subscribe(this.nextFrame.bind(this));\n }\n};\n\nAnimation3a.prototype.updateCount = function (count) {\n while (this.particles.length > count) {\n delete this.particles.pop().remove();\n }\n\n while (this.particles.length < count) {\n var p = new _particle2.default(this.container, this.bounds, this.options, this.globalGrid);\n this.particles.push(p);\n }\n};\n\nAnimation3a.prototype.updateSpeed = function (value) {\n this.options.speed = value;\n this.particles.forEach(function (p) {\n return p.updateConfig({ speed: value });\n });\n};\n\nexports.default = Animation3a;//# 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QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQUE7QUFBQTtBQUNBO0FBQ0E7QUFDQSIsInNvdXJjZVJvb3QiOiIifQ=="); /***/ }), /* 78 */ diff --git a/js/particle.js b/js/particle.js index ea06da1..353a2bd 100644 --- a/js/particle.js +++ b/js/particle.js @@ -5,13 +5,13 @@ import Store from './store'; const random = { bool: (weight) => Math.random() < (weight || 0.5), color: () => `rgb( - ${Math.floor(Math.random() * 170)}, - ${Math.floor(Math.random() * 170)}, - ${Math.floor(Math.random() * 170)} + ${Math.floor(Math.random() * 230)}, + ${Math.floor(Math.random() * 230)}, + ${Math.floor(Math.random() * 230)} )`, id: () => String.fromCharCode( - random.num(65, 90), random.num(97, 122), random.num(97, 122), - random.num(97, 122), random.num(97, 122), random.num(97, 122) + random.num(65, 90), random.num(97, 122), random.num(97, 122) + // random.num(97, 122), random.num(97, 122), random.num(97, 122) ), num: (min, max) => min + Math.round(Math.random() * (max - min)), } @@ -24,12 +24,12 @@ function Particle(parent, bounds, config, globalGrid) { behavior: BEHAVIOR.COHESION, bounds, color: random.color(), - gridSize: 10, + gridSize: 5, randomize: true, showMovementCircle: false, showVisionGrid: false, speed: 4, - visionRadius: 200 + visionRadius: 50 }, config) }); @@ -99,14 +99,15 @@ Particle.prototype.nextFrame = function(globalGrid) { if (leader !== undefined) { leader.isLeader = true; - console.warn(`${particles[0].id} is now a leader`); - console.log(`${this.id} is now following ${leader.id}`); + // console.log(`${this.id} is now following ${leader.id}`); this.isLeader = false; this.leader = leader; } } + this.updateLeader(); + // if (hazards.length) { // this.arc = evade(this.arc, this.grids.vision); // } @@ -141,6 +142,23 @@ Particle.prototype.updateConfig = function(config) { } } +Particle.prototype.updateLeader = function() { + if (this.leader === null) { + return; + } + + while (this.leader.leader !== null) { + this.leader.isLeader = false; + this.leader = this.leader.leader; + // console.error(this.id, 'is now following', this.leader.id) + } + + // Prevents circular leadership, where a leader sees its tail. + if (this.leader.id === this.id) { + this.leader = null; + } +} + // ===== CREATION ===== function createArc(bounds, grids) { @@ -199,7 +217,7 @@ function createContainerNode(config, id) { function createVisionGrid(config) { const { gridSize: side, visionRadius: radius } = config; const r0 = radius; - const r1 = 20; + const r1 = 30; const points = []; @@ -324,11 +342,11 @@ function followArc(arc, arcToFollow) { arc = reverseArc(arc); } - // if (Math.abs(arc.theta - arcToFollow.theta) > 0.1) { - // arc = moveArc(arc, 20); - // } else { - // arc = moveArc(arc, arcToFollow.radius); - // } + if (Math.abs(arc.theta - arcToFollow.theta) > 0.1) { + arc = moveArc(arc, 20); + } else { + arc = moveArc(arc, arcToFollow.radius); + } return arc; }