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Added checks for zero grid sizes

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This commit is contained in:
Mitchell McCaffrey
2020-10-09 12:57:48 +11:00
parent 400ccc43fe
commit f5c1cf8c98
3 changed files with 48 additions and 40 deletions
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20
src/components/map/MapSettings.js
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@@ -36,14 +36,16 @@ function MapSettings({
}
function handleGridSizeXChange(event) {
const value = parseInt(event.target.value);
const value = parseInt(event.target.value) || 0;
const gridY = map.grid.size.y;
let inset = map.grid.inset;
const gridScale =
((inset.bottomRight.x - inset.topLeft.x) * map.width) / value;
inset.bottomRight.y = (gridY * gridScale) / map.height;
if (value > 0) {
const gridScale =
((inset.bottomRight.x - inset.topLeft.x) * map.width) / value;
inset.bottomRight.y = (gridY * gridScale) / map.height;
}
onSettingsChange("grid", {
...map.grid,
@@ -56,14 +58,16 @@ function MapSettings({
}
function handleGridSizeYChange(event) {
const value = parseInt(event.target.value);
const value = parseInt(event.target.value) || 0;
const gridX = map.grid.size.x;
let inset = map.grid.inset;
const gridScale =
((inset.bottomRight.x - inset.topLeft.x) * map.width) / gridX;
inset.bottomRight.y = (value * gridScale) / map.height;
if (value > 0) {
const gridScale =
((inset.bottomRight.x - inset.topLeft.x) * map.width) / gridX;
inset.bottomRight.y = (value * gridScale) / map.height;
}
onSettingsChange("grid", {
...map.grid,