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Diffstat (limited to 'src/actions/map.js')
| -rw-r--r-- | src/actions/map.js | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/src/actions/map.js b/src/actions/map.js deleted file mode 100644 index 82546c00..00000000 --- a/src/actions/map.js +++ /dev/null @@ -1,93 +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)); - }; -} |
