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  1. Hello, I don't know if this is something that could be merged into github but we had some projects (and therefore customers) that were highly loaded with objects, thus a bit slow in rendering. The camera inertia was then to long lasting to control the camera if you know what I mean. This is what I've changed to handle this: // Inertia var engineDelta = Math.min(this.getEngine().deltaTime,100), inertiaFactor = Math.min(1,16.66666 / engineDelta); if (this.inertialAlphaOffset !== 0 || this.inertialBetaOffset !== 0 || this.inertialRadiusOffset !== 0) { this.alpha += (this.beta <= 0 ? -this.inertialAlphaOffset : this.inertialAlphaOffset) / inertiaFactor; this.beta += this.inertialBetaOffset / inertiaFactor; this.radius -= this.inertialRadiusOffset / inertiaFactor; this.inertialAlphaOffset *= this.inertia * inertiaFactor; this.inertialBetaOffset *= this.inertia * inertiaFactor; this.inertialRadiusOffset *= this.inertia * inertiaFactor; if (Math.abs(this.inertialAlphaOffset) < BABYLON.Engine.Epsilon) this.inertialAlphaOffset = 0; if (Math.abs(this.inertialBetaOffset) < BABYLON.Engine.Epsilon) this.inertialBetaOffset = 0; if (Math.abs(this.inertialRadiusOffset) < BABYLON.Engine.Epsilon) this.inertialRadiusOffset = 0; } // Panning inertia if (this.inertialPanningX !== 0 || this.inertialPanningY !== 0) { if (!this._localDirection) { this._localDirection = BABYLON.Vector3.Zero(); this._transformedDirection = BABYLON.Vector3.Zero(); } this.inertialPanningX *= this.inertia * inertiaFactor; this.inertialPanningY *= this.inertia * inertiaFactor; if (Math.abs(this.inertialPanningX) < BABYLON.Engine.Epsilon) this.inertialPanningX = 0; if (Math.abs(this.inertialPanningY) < BABYLON.Engine.Epsilon) this.inertialPanningY = 0; this._localDirection.copyFromFloats(this.inertialPanningX / inertiaFactor, this.inertialPanningY / inertiaFactor, 0); this._viewMatrix.invertToRef(this._cameraTransformMatrix); BABYLON.Vector3.TransformNormalToRef(this._localDirection, this._cameraTransformMatrix, this._transformedDirection); this.target.addInPlace(this._transformedDirection); } It rotates by the given inertia amount depending on the time that proceeded during the renderings. The var engineDelta = Math.min(this.getEngine().deltaTime,100) is to avoid big camera jumps on frames that last longer than 100ms. In our project the render loop doesn't run continuesly. If someone likes to test this and/or push it into babylon I would be glad to have contributed a small thing :-) If not it's also completely okay as it's only needed in our project(s)! ;-) Best regards Kevin