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Merge branch 'master' of https://github.com/tobspr/shapez.io

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tobspr 2020-07-04 18:34:04 +02:00
commit 1837e72952
1 changed files with 11 additions and 0 deletions
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11
src/js/game/camera.js
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@ -500,6 +500,7 @@ export class Camera extends BasicSerializableObject {
event.preventDefault();
// event.stopPropagation();
}
const prevZoom = this.zoomLevel;
const delta = Math.sign(event.deltaY) * -0.15 * this.root.app.settings.getScrollWheelSensitivity();
assert(Number.isFinite(delta), "Got invalid delta in mouse wheel event: " + event.deltaY);
@ -509,6 +510,16 @@ export class Camera extends BasicSerializableObject {
this.clampZoomLevel();
this.desiredZoom = null;
const mousePosition = this.root.app.mousePosition;
if (mousePosition) {
const worldPos = this.root.camera.screenToWorld(mousePosition);
const worldDelta = worldPos.sub(this.center);
const actualDelta = this.zoomLevel / prevZoom - 1;
this.center = this.center.add(worldDelta.multiplyScalar(actualDelta));
this.desiredCenter = null;
}
return false;
}