diff --git a/js/animation2a.js b/js/animation2a.js index 22534ad..6b65767 100644 --- a/js/animation2a.js +++ b/js/animation2a.js @@ -32,11 +32,9 @@ function Animation2a() { // TODO X dimension modified by core UI, maybe recalc grid in animation start? // TODO remove bottom padding from Disqus - // TODO perf - cache trig or perform operations // TODO ANIM2a randomize hazards - // TODO vision grid be relative to the particle - // TODO ANIM2b Scale vision grid to 1000 particles + // TODO ANIM2b perf Scale vision grid to 1000 particles // TODO ANIM3 flocking }; diff --git a/js/bundle.js b/js/bundle.js index c4fa90f..d329ee1 100644 --- a/js/bundle.js +++ b/js/bundle.js @@ -472,7 +472,7 @@ eval("\nvar isArray_1 = __webpack_require__(/*! ../util/isArray */ 11);\nfunctio /***/ (function(module, exports, __webpack_require__) { "use strict"; -eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _rxjs = __webpack_require__(/*! rxjs */ 14);\n\nvar _rxjs2 = _interopRequireDefault(_rxjs);\n\nvar _enums = __webpack_require__(/*! ./enums */ 16);\n\nvar _store = __webpack_require__(/*! ./store */ 22);\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(' + Math.floor(Math.random() * 255) + ', ' + Math.floor(Math.random() * 255) + ', ' + Math.floor(Math.random() * 255) + ')';\n },\n num: function num(min, max) {\n return min + Math.round(Math.random() * max);\n }\n};\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n this.config = Object.assign({\n bounds: bounds,\n color: random.color(),\n gridSize: 5,\n randomize: false,\n showMovementCircle: false,\n showVisionGrid: false,\n speed: 4,\n visionRadius: 50\n }, config);\n\n this.grids = {\n global: globalGrid || {},\n vision: createVisionGrid(this.config)\n };\n\n this.arc = createArc(bounds, this.grids, this.config); // TODO no need to pass config after testing\n\n this.nodes = {\n body: createBodyNode(this.config),\n circle: undefined,\n container: createContainerNode(this.config),\n parent: parent,\n visionGrid: undefined\n };\n\n this.nodes.container.appendChild(this.nodes.body);\n parent.appendChild(this.nodes.container);\n\n this.updateConfig(this.config);\n this.nextFrame();\n};\n\n// ===== PROTOTYPE =====\n\nParticle.prototype.remove = function () {\n var _this = this;\n\n this.nodes.parent.removeChild(this.nodes.container);\n\n this.nodes.visionGrid.forEach(function (node) {\n return _this.nodes.parent.removeChild(node);\n });\n\n return this;\n};\n\nParticle.prototype.nextFrame = function () {\n this.arc = updateArc(this.arc, this.config);\n this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n this.arc = evade(this.arc, this.grids.vision);\n\n repaintContainer(this.nodes.container, this.arc);\n repaintBody(this.nodes.body, this.arc);\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, config) {\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, config);\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) {\n var node = document.createElement('div');\n node.className = 'particle-container';\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 = radius - side;\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.parent.appendChild(div);\n\n acc.push(div);\n\n return acc;\n }, []);\n}\n\n// ===== CALCULATIONS =====\n\nfunction updateArc(arc, _ref2) {\n var bounds = _ref2.bounds,\n randomize = _ref2.randomize,\n speed = _ref2.speed;\n\n // Randomly change radius and rotation direction.\n if (arc.length <= 0) {\n arc.length = random.num(_enums.RAD.t90, _enums.RAD.t360);\n\n if (randomize === true) {\n arc = moveArc(arc, random.num(100, 200));\n\n if (random.bool(0.8)) {\n arc.clockwise = !arc.clockwise;\n arc = changeDirection(arc);\n }\n }\n }\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);\n arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n // Overflow.\n arc = overflowArc(arc, bounds);\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 ? arc.theta + point.alpha + _enums.RAD.t180 : arc.theta + point.alpha;\n\n var x = point.r * Math.cos(rad);\n var y = point.r * Math.sin(rad);\n\n point.x = arc.endX + x;\n point.y = arc.endY - y;\n\n var gridX = point.x - point.x % 5;\n var gridY = point.y - point.y % 5;\n\n point.touch = global[gridX] !== undefined && global[gridX][gridY] !== undefined;\n\n return acc.concat(point);\n }, []);\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);\n arc.centerY += (r1 - r0) * Math.sin(arc.theta);\n arc.radius = r1;\n\n return arc;\n}\n\nfunction changeDirection(arc) {\n arc.theta = (arc.theta + _enums.RAD.t180) % _enums.RAD.t360;\n arc.centerX -= 2 * arc.radius * Math.cos(arc.theta);\n arc.centerY += 2 * arc.radius * Math.sin(arc.theta);\n\n return arc;\n}\n\n// ===== ACTIONS =====\nfunction evade(arc, visionGrid) {\n var danger = visionGrid.reduce(function (acc, v) {\n return acc || v.touch;\n }, false);\n\n if (danger === false) {\n return arc;\n }\n\n var 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) {\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\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';\n node.style.top = '-' + (arc.radius - arc.radius * Math.sin(arc.theta)) + 'px';\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":"33.js","sources":["webpack:///js/particle.js?3bde"],"sourcesContent":["import Rx, { Observable } from 'rxjs';\nimport { RAD } from './enums';\nimport Store from './store';\n\nconst random = {\n    bool: (weight) => Math.random() < (weight || 0.5),\n    color: () => `rgb(${Math.floor(Math.random() * 255)}, ${Math.floor(Math.random() * 255)}, ${Math.floor(Math.random() * 255)})`,\n    num: (min, max) => min + Math.round(Math.random() * max),\n}\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n    this.config = Object.assign({\n        bounds,\n        color: random.color(),\n        gridSize: 5,\n        randomize: false,\n        showMovementCircle: false,\n        showVisionGrid: false,\n        speed: 4,\n        visionRadius: 50\n    }, config);\n\n    this.grids = {\n        global: globalGrid || {},\n        vision: createVisionGrid(this.config)\n    };\n\n    this.arc = createArc(bounds, this.grids, this.config); // TODO no need to pass config after testing\n\n    this.nodes = {\n        body: createBodyNode(this.config),\n        circle: undefined,\n        container: createContainerNode(this.config),\n        parent,\n        visionGrid: undefined,\n    };\n\n    this.nodes.container.appendChild(this.nodes.body);\n    parent.appendChild(this.nodes.container);\n\n    this.updateConfig(this.config);\n    this.nextFrame();\n};\n\n// ===== PROTOTYPE =====\n\nParticle.prototype.remove = function() {\n    this.nodes.parent.removeChild(this.nodes.container);\n\n    this.nodes.visionGrid.forEach(node => this.nodes.parent.removeChild(node));\n\n    return this;\n}\n\nParticle.prototype.nextFrame = function() {\n    this.arc = updateArc(this.arc, this.config);\n    this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n    this.arc = evade(this.arc, this.grids.vision);\n\n    repaintContainer(this.nodes.container, this.arc);\n    repaintBody(this.nodes.body, this.arc);\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, config) {\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, config);\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) {\n    const node = document.createElement('div');\n    node.className = 'particle-container';\n    return node;\n}\n\nfunction createVisionGrid(config) {\n    const { gridSize: side, visionRadius: radius } = config;\n    const r0 = radius;\n    const r1 = radius - side;\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.parent.appendChild(div);\n\n        acc.push(div);\n\n        return acc;\n    }, []);\n}\n\n// ===== CALCULATIONS =====\n\nfunction updateArc(arc, { bounds, randomize, speed }) {\n    // Randomly change radius and rotation direction.\n    if (arc.length <= 0) {\n        arc.length = random.num(RAD.t90, RAD.t360);\n\n        if (randomize === true) {\n            arc = moveArc(arc, random.num(100, 200));\n\n            if (random.bool(0.8)) {\n                arc.clockwise = !arc.clockwise;\n                arc = changeDirection(arc);\n            }\n        }\n    }\n\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);\n    arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n    // Overflow.\n    arc = overflowArc(arc, bounds);\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            ? arc.theta + point.alpha + RAD.t180\n            : arc.theta + point.alpha;\n\n        const x = point.r * Math.cos(rad);\n        const y = point.r * Math.sin(rad);\n\n        point.x = arc.endX + x;\n        point.y = arc.endY - y;\n\n        const gridX = point.x - point.x % 5;\n        const gridY = point.y - point.y % 5;\n\n        point.touch = (global[gridX] !== undefined && global[gridX][gridY] !== undefined);\n\n        return acc.concat(point);\n    }, []);\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);\n    arc.centerY += (r1 - r0) * Math.sin(arc.theta);\n    arc.radius = r1;\n\n    return arc;\n}\n\nfunction changeDirection(arc) {\n    arc.theta = (arc.theta + RAD.t180) % RAD.t360;\n    arc.centerX -= (2 * arc.radius) * Math.cos(arc.theta);\n    arc.centerY += (2 * arc.radius) * Math.sin(arc.theta);\n\n    return arc;\n}\n\n// ===== ACTIONS =====\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 = `${arc.endY}px`;\n}\n\nfunction repaintBody(node, arc) {\n    const rad = arc.clockwise\n        ? RAD.t180 - arc.theta\n        : RAD.t360 - arc.theta;\n\n    node.style.transform = `rotate(${rad + RAD.t45}rad)`;\n}\n\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 = `-${arc.radius + arc.radius * Math.cos(arc.theta)}px`;\n    node.style.top = `-${arc.radius - arc.radius * Math.sin(arc.theta)}px`;\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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+eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _rxjs = __webpack_require__(/*! rxjs */ 14);\n\nvar _rxjs2 = _interopRequireDefault(_rxjs);\n\nvar _enums = __webpack_require__(/*! ./enums */ 16);\n\nvar _store = __webpack_require__(/*! ./store */ 22);\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(' + Math.floor(Math.random() * 255) + ', ' + Math.floor(Math.random() * 255) + ', ' + Math.floor(Math.random() * 255) + ')';\n },\n num: function num(min, max) {\n return min + Math.round(Math.random() * max);\n }\n};\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n this.config = Object.assign({\n bounds: bounds,\n color: random.color(),\n gridSize: 5,\n randomize: false,\n showMovementCircle: false,\n showVisionGrid: false,\n speed: 4,\n visionRadius: 50\n }, config);\n\n this.grids = {\n global: globalGrid || {},\n vision: createVisionGrid(this.config)\n };\n\n this.arc = createArc(bounds, this.grids, this.config); // TODO no need to pass config after testing\n\n this.nodes = {\n body: createBodyNode(this.config),\n circle: undefined,\n container: createContainerNode(this.config),\n parent: parent,\n visionGrid: undefined\n };\n\n this.nodes.container.appendChild(this.nodes.body);\n parent.appendChild(this.nodes.container);\n\n this.updateConfig(this.config);\n this.nextFrame();\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 () {\n this.arc = stepArc(this.arc, this.config);\n this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n this.arc = evade(this.arc, this.grids.vision);\n\n repaintContainer(this.nodes.container, this.arc);\n repaintBody(this.nodes.body, this.arc);\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, config) {\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, config);\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) {\n var node = document.createElement('div');\n node.className = 'particle-container';\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 = radius - side;\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 stepArc(arc, _ref2) {\n var bounds = _ref2.bounds,\n randomize = _ref2.randomize,\n speed = _ref2.speed;\n\n // Randomly change radius and rotation direction.\n if (arc.length <= 0) {\n arc.length = random.num(_enums.RAD.t90, _enums.RAD.t360);\n\n if (randomize === true) {\n arc = moveArc(arc, random.num(100, 200));\n\n if (random.bool(0.8)) {\n arc.clockwise = !arc.clockwise;\n arc = reverseArc(arc);\n }\n }\n }\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);\n arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n // Overflow.\n arc = overflowArc(arc, bounds);\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);\n arc.centerY += (r1 - r0) * Math.sin(arc.theta);\n arc.radius = r1;\n\n return arc;\n}\n\nfunction reverseArc(arc) {\n arc.theta = (arc.theta + _enums.RAD.t180) % _enums.RAD.t360;\n arc.centerX -= 2 * arc.radius * Math.cos(arc.theta);\n arc.centerY += 2 * arc.radius * Math.sin(arc.theta);\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 var x = arc.endX + point.x;\n var y = arc.endY + point.y;\n\n var gridX = x - x % 5;\n var gridY = y - y % 5;\n\n point.touch = global[gridX] !== undefined && global[gridX][gridY] !== undefined;\n\n return acc.concat(point);\n }, []);\n}\n\n// ===== ACTIONS =====\nfunction evade(arc, visionGrid) {\n var danger = visionGrid.reduce(function (acc, v) {\n return acc || v.touch;\n }, false);\n\n if (danger === false) {\n return arc;\n }\n\n var 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) {\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\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';\n node.style.top = '-' + (arc.radius - arc.radius * Math.sin(arc.theta)) + 'px';\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":"33.js","sources":["webpack:///js/particle.js?3bde"],"sourcesContent":["import Rx, { Observable } from 'rxjs';\nimport { RAD } from './enums';\nimport Store from './store';\n\nconst random = {\n    bool: (weight) => Math.random() < (weight || 0.5),\n    color: () => `rgb(${Math.floor(Math.random() * 255)}, ${Math.floor(Math.random() * 255)}, ${Math.floor(Math.random() * 255)})`,\n    num: (min, max) => min + Math.round(Math.random() * max),\n}\n\n// ===== Constructor =====\n\nfunction Particle(parent, bounds, config, globalGrid) {\n    this.config = Object.assign({\n        bounds,\n        color: random.color(),\n        gridSize: 5,\n        randomize: false,\n        showMovementCircle: false,\n        showVisionGrid: false,\n        speed: 4,\n        visionRadius: 50\n    }, config);\n\n    this.grids = {\n        global: globalGrid || {},\n        vision: createVisionGrid(this.config)\n    };\n\n    this.arc = createArc(bounds, this.grids, this.config); // TODO no need to pass config after testing\n\n    this.nodes = {\n        body: createBodyNode(this.config),\n        circle: undefined,\n        container: createContainerNode(this.config),\n        parent,\n        visionGrid: undefined,\n    };\n\n    this.nodes.container.appendChild(this.nodes.body);\n    parent.appendChild(this.nodes.container);\n\n    this.updateConfig(this.config);\n    this.nextFrame();\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() {\n    this.arc = stepArc(this.arc, this.config);\n    this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids);\n\n    this.arc = evade(this.arc, this.grids.vision);\n\n    repaintContainer(this.nodes.container, this.arc);\n    repaintBody(this.nodes.body, this.arc);\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, config) {\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, config);\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) {\n    const node = document.createElement('div');\n    node.className = 'particle-container';\n    return node;\n}\n\nfunction createVisionGrid(config) {\n    const { gridSize: side, visionRadius: radius } = config;\n    const r0 = radius;\n    const r1 = radius - side;\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 stepArc(arc, { bounds, randomize, speed }) {\n    // Randomly change radius and rotation direction.\n    if (arc.length <= 0) {\n        arc.length = random.num(RAD.t90, RAD.t360);\n\n        if (randomize === true) {\n            arc = moveArc(arc, random.num(100, 200));\n\n            if (random.bool(0.8)) {\n                arc.clockwise = !arc.clockwise;\n                arc = reverseArc(arc);\n            }\n        }\n    }\n\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);\n    arc.endY = arc.centerY - arc.radius * Math.sin(arc.theta);\n\n    // Overflow.\n    arc = overflowArc(arc, bounds);\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);\n    arc.centerY += (r1 - r0) * Math.sin(arc.theta);\n    arc.radius = r1;\n\n    return arc;\n}\n\nfunction reverseArc(arc) {\n    arc.theta = (arc.theta + RAD.t180) % RAD.t360;\n    arc.centerX -= (2 * arc.radius) * Math.cos(arc.theta);\n    arc.centerY += (2 * arc.radius) * Math.sin(arc.theta);\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        const x = arc.endX + point.x;\n        const y = arc.endY + point.y;\n\n        const gridX = x - x % 5;\n        const gridY = y - y % 5;\n\n        point.touch = (global[gridX] !== undefined && global[gridX][gridY] !== undefined);\n\n        return acc.concat(point);\n    }, []);\n}\n\n// ===== ACTIONS =====\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 = `${arc.endY}px`;\n}\n\nfunction repaintBody(node, arc) {\n    const rad = arc.clockwise\n        ? RAD.t180 - arc.theta\n        : RAD.t360 - arc.theta;\n\n    node.style.transform = `rotate(${rad + RAD.t45}rad)`;\n}\n\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 = `-${arc.radius + arc.radius * Math.cos(arc.theta)}px`;\n    node.style.top = `-${arc.radius - arc.radius * Math.sin(arc.theta)}px`;\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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/***/ }), /* 34 */ @@ -974,7 +974,7 @@ eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n}); /***/ (function(module, exports, __webpack_require__) { "use strict"; -eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _rxjs = __webpack_require__(/*! rxjs */ 14);\n\nvar _rxjs2 = _interopRequireDefault(_rxjs);\n\nvar _particle = __webpack_require__(/*! ./particle */ 33);\n\nvar _particle2 = _interopRequireDefault(_particle);\n\nvar _store = __webpack_require__(/*! ./store */ 22);\n\nvar _store2 = _interopRequireDefault(_store);\n\nvar _controls = __webpack_require__(/*! ./controls */ 21);\n\nvar _controls2 = _interopRequireDefault(_controls);\n\nvar _enums = __webpack_require__(/*! ./enums */ 16);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Animation2a() {\n this.options = {\n count: 1,\n maxCount: 10,\n randomize: true,\n showMovementCircle: false,\n showVisionGrid: true,\n speed: 4\n };\n\n this.container = document.getElementById('animation2a');\n this.bounds = this.container.getBoundingClientRect();\n\n this.particles = [];\n this.globalGrid = createGlobalGrid(this.container, this.bounds);\n\n var controls = new _controls2.default(document.getElementById('controls2a'), 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 X dimension modified by core UI, maybe recalc grid in animation start?\n // TODO remove bottom padding from Disqus\n // TODO perf - cache trig or perform operations\n\n // TODO ANIM2a randomize hazards\n // TODO vision grid be relative to the particle\n // TODO ANIM2b Scale vision grid to 1000 particles\n\n // TODO ANIM3 flocking\n};\n\nAnimation2a.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\nAnimation2a.prototype.nextFrame = function () {\n this.particles.forEach(function (p) {\n return p.nextFrame();\n });\n};\n\nAnimation2a.prototype.updateAnimating = function (isAnimating) {\n var _this = this;\n\n this.options.animating = isAnimating;\n\n if (isAnimating) {\n var fps$ = _rxjs2.default.Observable.interval(1000 / 32).takeWhile(function (_) {\n return _this.options.animating;\n });\n\n fps$.subscribe(this.nextFrame.bind(this));\n }\n};\n\nAnimation2a.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\nAnimation2a.prototype.updateSpeed = function (value) {\n this.options.speed = value;\n this.particles.forEach(function (p) {\n return p.updateConfig({ speed: value });\n });\n};\n\nfunction createGlobalGrid(container, bounds) {\n var grid = {};\n var gridSize = 5;\n\n var hazards = [{ x: 100, y: 100, w: 200, h: 200 }, { x: 600, y: 200, w: 200, h: 200 }];\n\n return hazards.reduce(function (acc, _ref2) {\n var x = _ref2.x,\n y = _ref2.y,\n w = _ref2.w,\n h = _ref2.h;\n\n var div = document.createElement('div');\n div.className = 'hazard';\n div.style.left = x + 'px';\n div.style.top = y + 'px';\n div.style.height = h + 'px';\n div.style.width = w + 'px';\n container.appendChild(div);\n\n for (var i = x; i <= x + w; i += gridSize) {\n for (var j = y; j <= y + h; j += gridSize) {\n if (acc[i] === undefined) {\n acc[i] = {};\n }\n\n if (acc[i][j] !== undefined) {\n continue;\n }\n\n var dot = document.createElement('dot');\n dot.className = 'hazard-dot';\n dot.style.left = i - x + 'px';\n dot.style.top = j - y + 'px';\n div.appendChild(dot);\n\n acc[i][j] = true;\n }\n }\n\n return acc;\n }, {});\n}\n\nexports.default = Animation2a;//# 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+eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _rxjs = __webpack_require__(/*! rxjs */ 14);\n\nvar _rxjs2 = _interopRequireDefault(_rxjs);\n\nvar _particle = __webpack_require__(/*! ./particle */ 33);\n\nvar _particle2 = _interopRequireDefault(_particle);\n\nvar _store = __webpack_require__(/*! ./store */ 22);\n\nvar _store2 = _interopRequireDefault(_store);\n\nvar _controls = __webpack_require__(/*! ./controls */ 21);\n\nvar _controls2 = _interopRequireDefault(_controls);\n\nvar _enums = __webpack_require__(/*! ./enums */ 16);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Animation2a() {\n this.options = {\n count: 1,\n maxCount: 10,\n randomize: true,\n showMovementCircle: false,\n showVisionGrid: true,\n speed: 4\n };\n\n this.container = document.getElementById('animation2a');\n this.bounds = this.container.getBoundingClientRect();\n\n this.particles = [];\n this.globalGrid = createGlobalGrid(this.container, this.bounds);\n\n var controls = new _controls2.default(document.getElementById('controls2a'), 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 X dimension modified by core UI, maybe recalc grid in animation start?\n // TODO remove bottom padding from Disqus\n\n // TODO ANIM2a randomize hazards\n // TODO ANIM2b perf Scale vision grid to 1000 particles\n\n // TODO ANIM3 flocking\n};\n\nAnimation2a.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\nAnimation2a.prototype.nextFrame = function () {\n this.particles.forEach(function (p) {\n return p.nextFrame();\n });\n};\n\nAnimation2a.prototype.updateAnimating = function (isAnimating) {\n var _this = this;\n\n this.options.animating = isAnimating;\n\n if (isAnimating) {\n var fps$ = _rxjs2.default.Observable.interval(1000 / 32).takeWhile(function (_) {\n return _this.options.animating;\n });\n\n fps$.subscribe(this.nextFrame.bind(this));\n }\n};\n\nAnimation2a.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\nAnimation2a.prototype.updateSpeed = function (value) {\n this.options.speed = value;\n this.particles.forEach(function (p) {\n return p.updateConfig({ speed: value });\n });\n};\n\nfunction createGlobalGrid(container, bounds) {\n var grid = {};\n var gridSize = 5;\n\n var hazards = [{ x: 100, y: 100, w: 200, h: 200 }, { x: 600, y: 200, w: 200, h: 200 }];\n\n return hazards.reduce(function (acc, _ref2) {\n var x = _ref2.x,\n y = _ref2.y,\n w = _ref2.w,\n h = _ref2.h;\n\n var div = document.createElement('div');\n div.className = 'hazard';\n div.style.left = x + 'px';\n div.style.top = y + 'px';\n div.style.height = h + 'px';\n div.style.width = w + 'px';\n container.appendChild(div);\n\n for (var i = x; i <= x + w; i += gridSize) {\n for (var j = y; j <= y + h; j += gridSize) {\n if (acc[i] === undefined) {\n acc[i] = {};\n }\n\n if (acc[i][j] !== undefined) {\n continue;\n }\n\n var dot = document.createElement('dot');\n dot.className = 'hazard-dot';\n dot.style.left = i - x + 'px';\n dot.style.top = j - y + 'px';\n div.appendChild(dot);\n\n acc[i][j] = true;\n }\n }\n\n return acc;\n }, {});\n}\n\nexports.default = Animation2a;//# 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"); /***/ }), /* 76 */ diff --git a/js/particle.js b/js/particle.js index 515525e..ab29252 100644 --- a/js/particle.js +++ b/js/particle.js @@ -48,14 +48,11 @@ function Particle(parent, bounds, config, globalGrid) { Particle.prototype.remove = function() { this.nodes.parent.removeChild(this.nodes.container); - - this.nodes.visionGrid.forEach(node => this.nodes.parent.removeChild(node)); - return this; } Particle.prototype.nextFrame = function() { - this.arc = updateArc(this.arc, this.config); + this.arc = stepArc(this.arc, this.config); this.grids.vision = updateVisionGrid(this.arc, this.config, this.grids); this.arc = evade(this.arc, this.grids.vision); @@ -185,7 +182,7 @@ function createVisionGridNodes(config, grids, nodes) { const div = document.createElement('div'); div.className = 'particle-vision-dot'; div.style.backgroundColor = config.color; - nodes.parent.appendChild(div); + nodes.container.appendChild(div); acc.push(div); @@ -195,7 +192,7 @@ function createVisionGridNodes(config, grids, nodes) { // ===== CALCULATIONS ===== -function updateArc(arc, { bounds, randomize, speed }) { +function stepArc(arc, { bounds, randomize, speed }) { // Randomly change radius and rotation direction. if (arc.length <= 0) { arc.length = random.num(RAD.t90, RAD.t360); @@ -205,7 +202,7 @@ function updateArc(arc, { bounds, randomize, speed }) { if (random.bool(0.8)) { arc.clockwise = !arc.clockwise; - arc = changeDirection(arc); + arc = reverseArc(arc); } } } @@ -226,29 +223,6 @@ function updateArc(arc, { bounds, randomize, speed }) { return arc; } -function updateVisionGrid(arc, config, grids) { - const { global, vision } = grids; - - return vision.reduce((acc, point) => { - const rad = arc.clockwise - ? arc.theta + point.alpha + RAD.t180 - : arc.theta + point.alpha; - - const x = point.r * Math.cos(rad); - const y = point.r * Math.sin(rad); - - point.x = arc.endX + x; - point.y = arc.endY - y; - - const gridX = point.x - point.x % 5; - const gridY = point.y - point.y % 5; - - point.touch = (global[gridX] !== undefined && global[gridX][gridY] !== undefined); - - return acc.concat(point); - }, []); -} - function overflowArc(arc, bounds) { if (arc.endX < 0) { arc.endX += bounds.width; @@ -281,7 +255,7 @@ function moveArc(arc, newRadius) { return arc; } -function changeDirection(arc) { +function reverseArc(arc) { arc.theta = (arc.theta + RAD.t180) % RAD.t360; arc.centerX -= (2 * arc.radius) * Math.cos(arc.theta); arc.centerY += (2 * arc.radius) * Math.sin(arc.theta); @@ -289,6 +263,29 @@ function changeDirection(arc) { return arc; } +function updateVisionGrid(arc, config, grids) { + const { global, vision } = grids; + + return vision.reduce((acc, point) => { + const rad = arc.clockwise + ? point.alpha - arc.theta + : point.alpha - arc.theta + RAD.t180; + + point.x = point.r * Math.cos(rad); + point.y = point.r * Math.sin(rad); + + const x = arc.endX + point.x; + const y = arc.endY + point.y; + + const gridX = x - x % 5; + const gridY = y - y % 5; + + point.touch = (global[gridX] !== undefined && global[gridX][gridY] !== undefined); + + return acc.concat(point); + }, []); +} + // ===== ACTIONS ===== function evade(arc, visionGrid) { const danger = visionGrid.reduce((acc, v) => acc || v.touch, false);