Merge branch 'master' of https://github.com/BabylonJS/Babylon.js

dist/preview release/what's new.md

@@ -12,6 +12,10 @@
 
 - Allow logging of shader code when a compilation error occurs ([Popov72](https://github.com/Popov72))
 
+### Cameras
+
+- Added flag to TargetCamera to invert rotation direction and multiplier to adjust speed ([Exolun](https://github.com/Exolun))
+
 ### Physics
 
 - Ammo.js IDL exposed property update and raycast vehicle stablization support ([MackeyK24](https://github.com/MackeyK24))

src/Cameras/targetCamera.ts

@@ -53,6 +53,17 @@ export class TargetCamera extends Camera {
     public noRotationConstraint = false;
 
     /**
+     * Reverses mouselook direction to 'natural' panning as opposed to traditional direct
+     * panning
+     */
+    public invertRotation = false;
+
+    /**
+     * Speed multiplier for inverse camera panning
+     */
+    public inverseRotationSpeed = 0.2;
+
+    /**
      * Define the current target of the camera as an object or a position.
      */
     @serializeAsMeshReference("lockedTargetId")
@@ -290,6 +301,7 @@ export class TargetCamera extends Camera {
 
     /** @hidden */
     public _checkInputs(): void {
+        var directionMultiplier = this.invertRotation ? -this.inverseRotationSpeed : 1.0;
         var needToMove = this._decideIfNeedsToMove();
         var needToRotate = Math.abs(this.cameraRotation.x) > 0 || Math.abs(this.cameraRotation.y) > 0;
 
@@ -300,8 +312,8 @@ export class TargetCamera extends Camera {
 
         // Rotate
         if (needToRotate) {
-            this.rotation.x += this.cameraRotation.x;
-            this.rotation.y += this.cameraRotation.y;
+            this.rotation.x += this.cameraRotation.x * directionMultiplier;
+            this.rotation.y += this.cameraRotation.y * directionMultiplier;
 
             //rotate, if quaternion is set and rotation was used
             if (this.rotationQuaternion) {

src/Shaders/ShadersInclude/bumpFragmentFunctions.fx

@@ -62,7 +62,7 @@
 	}
 #endif
 
-#if defined(BUMP) || defined(CLEARCOAT_BUMP)
+#if defined(BUMP)
 	vec3 perturbNormal(mat3 cotangentFrame, vec3 color)
 	{
 		return perturbNormal(cotangentFrame, color, vBumpInfos.y);