101 lines
3.3 KiB
JavaScript
101 lines
3.3 KiB
JavaScript
import update from 'react-addons-update';
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import { Utils } from '@doodle3d/cal';
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import * as THREE from 'three';
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import { SHAPE_TYPE_PROPERTIES } from '../../../constants/shapeTypeProperties.js';
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import * as d3Tools from '../../../constants/d3Tools.js';
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import { getSelectedObjectsSelector, getBoundingBox } from '../../../utils/selectionUtils.js';
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import * as actions from '../../../actions/index.js';
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// import createDebug from 'debug';
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// const debug = createDebug('d3d:reducer:height');
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const { MathExtended } = Utils;
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const MIN_HEIGHT = 1;
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const MAX_HEIGHT = 600;
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const CHANGE_FACTOR = 0.5;
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export default function heightReducer(state, action) {
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// if (action.log !== false) debug(action.type);
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switch (action.type) {
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case actions.HEIGHT_START:
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case actions.HEIGHT_END: {
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state = update(state, {
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d3: {
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height: {
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active: { $set: action.type === actions.HEIGHT_START },
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handle: { $set: action.type === actions.HEIGHT_START ? action.handle : '' }
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}
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}
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});
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return state;
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}
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case actions.HEIGHT: {
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const cameraAngle = new THREE.Vector3()
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.set(action.delta.x, -action.delta.y, 0)
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.applyMatrix3(new THREE.Matrix3().getNormalMatrix(state.d3.camera.object.matrix));
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const sceneUp = new THREE.Vector3(0, 1, 0)
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.applyMatrix4(new THREE.Matrix4().extractRotation(state.spaces[state.activeSpace].matrix));
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let delta = cameraAngle.dot(sceneUp) * CHANGE_FACTOR;
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const selectedShapeDatas = getSelectedObjectsSelector(state.selection.objects, state.objectsById);
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const { min, max } = getBoundingBox(selectedShapeDatas, state.selection.transform);
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const totalHeight = max.y - min.y;
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state = update(state, {
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objectsById: state.selection.objects
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.map(({ id }) => state.objectsById[id])
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.filter(shapeData => SHAPE_TYPE_PROPERTIES[shapeData.type].tools[d3Tools.HEIGHT])
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.reduce((updateObject, shapeData) => {
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let height;
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let z;
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switch (state.d3.height.handle) {
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case 'top': {
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delta -= Math.max(max.y + delta - MAX_HEIGHT, 0);
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const scale = (totalHeight + delta) / totalHeight;
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height = shapeData.height * scale;
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z = (shapeData.z - min.y) * scale + min.y;
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break;
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}
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case 'bottom': {
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delta -= Math.min(min.y + delta, 0);
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const scale = (totalHeight - delta) / totalHeight;
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height = shapeData.height * scale;
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z = (shapeData.z - min.y) * scale + min.y + delta;
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break;
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}
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case 'translate':
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height = shapeData.height;
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z = shapeData.z + delta;
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break;
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default:
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return updateObject;
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}
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height = MathExtended.clamb(height, MIN_HEIGHT, MAX_HEIGHT - MIN_HEIGHT);
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z = MathExtended.clamb(z, 0, MAX_HEIGHT - height);
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updateObject[shapeData.UID] = {
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height: { $set: height },
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z: { $set: z }
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};
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return updateObject;
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}, {})
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});
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return state;
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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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