diff --git a/src/js/game/camera.js b/src/js/game/camera.js index 2caeb863..ab73fc83 100644 --- a/src/js/game/camera.js +++ b/src/js/game/camera.js @@ -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; }