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Diffstat (limited to 'frontend/src/actions/map.js')
| -rw-r--r-- | frontend/src/actions/map.js | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/frontend/src/actions/map.js b/frontend/src/actions/map.js deleted file mode 100644 index 0d49d849..00000000 --- a/frontend/src/actions/map.js +++ /dev/null @@ -1,82 +0,0 @@ -import { - MAP_MAX_SCALE, - MAP_MIN_SCALE, - MAP_SCALE_PER_EVENT, - MAP_SIZE_IN_PIXELS, -} from '../components/app/map/MapConstants' - -export const SET_MAP_POSITION = 'SET_MAP_POSITION' -export const SET_MAP_DIMENSIONS = 'SET_MAP_DIMENSIONS' -export const SET_MAP_SCALE = 'SET_MAP_SCALE' - -export function setMapPosition(x, y) { - return { - type: SET_MAP_POSITION, - x, - y, - } -} - -export function setMapDimensions(width, height) { - return { - type: SET_MAP_DIMENSIONS, - width, - height, - } -} - -export function setMapScale(scale) { - return { - type: SET_MAP_SCALE, - scale, - } -} - -export function zoomInOnCenter(zoomIn) { - return (dispatch, getState) => { - const state = getState() - - dispatch(zoomInOnPosition(zoomIn, state.map.dimensions.width / 2, state.map.dimensions.height / 2)) - } -} - -export function zoomInOnPosition(zoomIn, x, y) { - return (dispatch, getState) => { - const state = getState() - - const centerPoint = { - x: x / state.map.scale - state.map.position.x / state.map.scale, - y: y / state.map.scale - state.map.position.y / state.map.scale, - } - const newScale = zoomIn ? state.map.scale * MAP_SCALE_PER_EVENT : state.map.scale / MAP_SCALE_PER_EVENT - const boundedScale = Math.min(Math.max(MAP_MIN_SCALE, newScale), MAP_MAX_SCALE) - - const newX = -(centerPoint.x - x / boundedScale) * boundedScale - const newY = -(centerPoint.y - y / boundedScale) * boundedScale - - dispatch(setMapPositionWithBoundsCheck(newX, newY)) - dispatch(setMapScale(boundedScale)) - } -} - -export function setMapPositionWithBoundsCheck(x, y) { - return (dispatch, getState) => { - const state = getState() - - const scaledMapSize = MAP_SIZE_IN_PIXELS * state.map.scale - const updatedX = - x > 0 - ? 0 - : x < -scaledMapSize + state.map.dimensions.width - ? -scaledMapSize + state.map.dimensions.width - : x - const updatedY = - y > 0 - ? 0 - : y < -scaledMapSize + state.map.dimensions.height - ? -scaledMapSize + state.map.dimensions.height - : y - - dispatch(setMapPosition(updatedX, updatedY)) - } -} |
