70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
import update from 'react-addons-update';
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import * as actions from '../../../../actions/index.js';
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import { addObjectActive2D, addObject, setActive2D } from '../../../objectReducers.js';
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import { Matrix, Vector } from '@doodle3d/cal';
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// import createDebug from 'debug';
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// const debug = createDebug('d3d:reducer:star');
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const DEFAULT_RADIUS = 25;
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export default function starReducer(state, action) {
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// if (action.log !== false) debug(action.type);
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const { position, screenMatrixZoom } = action;
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let scenePosition;
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if (position !== undefined && screenMatrixZoom !== undefined) {
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scenePosition = position.applyMatrix(screenMatrixZoom.inverseMatrix());
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}
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const activeShape = state.d2.activeShape;
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switch (action.type) {
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case actions.D2_DRAG_START:
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return addObjectActive2D(state, {
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type: 'POLY_POINTS',
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transform: new Matrix({ x: scenePosition.x, y: scenePosition.y }),
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polyPoints: {
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numPoints: 6,
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radius: 0
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}
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});
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case actions.D2_DRAG:
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if (activeShape) {
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const beginPos = new Vector().copy(state.objectsById[activeShape].transform);
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const delta = scenePosition.subtract(beginPos);
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const numPoints = Math.min(15, Math.max(3, Math.round(delta.y / 10) + 6));
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const radius = Math.abs(delta.x);
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return update(state, {
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objectsById: {
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[activeShape]: {
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polyPoints: {
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numPoints: { $set: numPoints },
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radius: { $set: radius }
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}
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}
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}
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});
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}
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return state;
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case actions.D2_DRAG_END:
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if (activeShape) {
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state = setActive2D(state, null);
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}
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return state;
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case actions.D2_TAP:
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return addObject(state, {
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type: 'POLY_POINTS',
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transform: new Matrix({ x: scenePosition.x, y: scenePosition.y }),
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polyPoints: {
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numPoints: 6,
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radius: DEFAULT_RADIUS
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}
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});
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default:
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return state;
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}
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}
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