@deck.gl/layers
Version:
deck.gl core layers
243 lines (218 loc) • 8.5 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _get2 = _interopRequireDefault(require("@babel/runtime/helpers/get"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _core = require("@deck.gl/core");
var _core2 = require("@luma.gl/core");
var _scatterplotLayerVertex = _interopRequireDefault(require("./scatterplot-layer-vertex.glsl"));
var _scatterplotLayerFragment = _interopRequireDefault(require("./scatterplot-layer-fragment.glsl"));
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2.default)(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = (0, _getPrototypeOf2.default)(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = (0, _getPrototypeOf2.default)(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2.default)(this, result); }; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
var DEFAULT_COLOR = [0, 0, 0, 255];
var defaultProps = {
radiusUnits: 'meters',
radiusScale: {
type: 'number',
min: 0,
value: 1
},
radiusMinPixels: {
type: 'number',
min: 0,
value: 0
},
radiusMaxPixels: {
type: 'number',
min: 0,
value: Number.MAX_SAFE_INTEGER
},
lineWidthUnits: 'meters',
lineWidthScale: {
type: 'number',
min: 0,
value: 1
},
lineWidthMinPixels: {
type: 'number',
min: 0,
value: 0
},
lineWidthMaxPixels: {
type: 'number',
min: 0,
value: Number.MAX_SAFE_INTEGER
},
stroked: false,
filled: true,
billboard: false,
antialiasing: true,
getPosition: {
type: 'accessor',
value: function value(x) {
return x.position;
}
},
getRadius: {
type: 'accessor',
value: 1
},
getFillColor: {
type: 'accessor',
value: DEFAULT_COLOR
},
getLineColor: {
type: 'accessor',
value: DEFAULT_COLOR
},
getLineWidth: {
type: 'accessor',
value: 1
},
strokeWidth: {
deprecatedFor: 'getLineWidth'
},
outline: {
deprecatedFor: 'stroked'
},
getColor: {
deprecatedFor: ['getFillColor', 'getLineColor']
}
};
var ScatterplotLayer = function (_Layer) {
(0, _inherits2.default)(ScatterplotLayer, _Layer);
var _super = _createSuper(ScatterplotLayer);
function ScatterplotLayer() {
(0, _classCallCheck2.default)(this, ScatterplotLayer);
return _super.apply(this, arguments);
}
(0, _createClass2.default)(ScatterplotLayer, [{
key: "getShaders",
value: function getShaders() {
return (0, _get2.default)((0, _getPrototypeOf2.default)(ScatterplotLayer.prototype), "getShaders", this).call(this, {
vs: _scatterplotLayerVertex.default,
fs: _scatterplotLayerFragment.default,
modules: [_core.project32, _core.picking]
});
}
}, {
key: "initializeState",
value: function initializeState() {
this.getAttributeManager().addInstanced({
instancePositions: {
size: 3,
type: 5130,
fp64: this.use64bitPositions(),
transition: true,
accessor: 'getPosition'
},
instanceRadius: {
size: 1,
transition: true,
accessor: 'getRadius',
defaultValue: 1
},
instanceFillColors: {
size: this.props.colorFormat.length,
transition: true,
normalized: true,
type: 5121,
accessor: 'getFillColor',
defaultValue: [0, 0, 0, 255]
},
instanceLineColors: {
size: this.props.colorFormat.length,
transition: true,
normalized: true,
type: 5121,
accessor: 'getLineColor',
defaultValue: [0, 0, 0, 255]
},
instanceLineWidths: {
size: 1,
transition: true,
accessor: 'getLineWidth',
defaultValue: 1
}
});
}
}, {
key: "updateState",
value: function updateState(params) {
(0, _get2.default)((0, _getPrototypeOf2.default)(ScatterplotLayer.prototype), "updateState", this).call(this, params);
if (params.changeFlags.extensionsChanged) {
var _this$state$model;
var gl = this.context.gl;
(_this$state$model = this.state.model) === null || _this$state$model === void 0 ? void 0 : _this$state$model.delete();
this.state.model = this._getModel(gl);
this.getAttributeManager().invalidateAll();
}
}
}, {
key: "draw",
value: function draw(_ref) {
var uniforms = _ref.uniforms;
var _this$props = this.props,
radiusUnits = _this$props.radiusUnits,
radiusScale = _this$props.radiusScale,
radiusMinPixels = _this$props.radiusMinPixels,
radiusMaxPixels = _this$props.radiusMaxPixels,
stroked = _this$props.stroked,
filled = _this$props.filled,
billboard = _this$props.billboard,
antialiasing = _this$props.antialiasing,
lineWidthUnits = _this$props.lineWidthUnits,
lineWidthScale = _this$props.lineWidthScale,
lineWidthMinPixels = _this$props.lineWidthMinPixels,
lineWidthMaxPixels = _this$props.lineWidthMaxPixels;
this.state.model.setUniforms(uniforms).setUniforms({
stroked: stroked ? 1 : 0,
filled: filled,
billboard: billboard,
antialiasing: antialiasing,
radiusUnits: _core.UNIT[radiusUnits],
radiusScale: radiusScale,
radiusMinPixels: radiusMinPixels,
radiusMaxPixels: radiusMaxPixels,
lineWidthUnits: _core.UNIT[lineWidthUnits],
lineWidthScale: lineWidthScale,
lineWidthMinPixels: lineWidthMinPixels,
lineWidthMaxPixels: lineWidthMaxPixels
}).draw();
}
}, {
key: "_getModel",
value: function _getModel(gl) {
var positions = [-1, -1, 0, 1, -1, 0, 1, 1, 0, -1, 1, 0];
return new _core2.Model(gl, _objectSpread(_objectSpread({}, this.getShaders()), {}, {
id: this.props.id,
geometry: new _core2.Geometry({
drawMode: 6,
vertexCount: 4,
attributes: {
positions: {
size: 3,
value: new Float32Array(positions)
}
}
}),
isInstanced: true
}));
}
}]);
return ScatterplotLayer;
}(_core.Layer);
exports.default = ScatterplotLayer;
(0, _defineProperty2.default)(ScatterplotLayer, "defaultProps", defaultProps);
(0, _defineProperty2.default)(ScatterplotLayer, "layerName", 'ScatterplotLayer');
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