Changed the way OnLongPressTrigger is raised (after some touch devices checks, it appears that this event is raised right after the delay, while pointer is still pressed, and not when pointer is up)

src/babylon.scene.ts

@@ -519,25 +519,45 @@
                 // Meshes
                 if (!this.onPointerDown) {
                     predicate = (mesh: AbstractMesh): boolean => {
-                        return mesh.isPickable && mesh.isVisible && mesh.isReady() && mesh.actionManager && mesh.actionManager.hasPickTriggers;
+                        return mesh.isPickable && mesh.isVisible && mesh.isReady() && mesh.actionManager && mesh.actionManager.hasPointerTriggers;
                     };
                 }
                 var pickResult = this.pick(this._pointerX, this._pointerY, predicate, false, this.cameraToUseForPointers);
 
                 if (pickResult.hit && pickResult.pickedMesh) {
                     if (pickResult.pickedMesh.actionManager) {
-                        switch (evt.button) {
-                            case 0:
-                                pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnLeftPickTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
-                                break;
-                            case 1:
-                                pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnCenterPickTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
-                                break;
-                            case 2:
-                                pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnRightPickTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
-                                break;
+                        if (pickResult.pickedMesh.actionManager.hasPickTriggers) {
+                            switch (evt.button) {
+                                case 0:
+                                    pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnLeftPickTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
+                                    break;
+                                case 1:
+                                    pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnCenterPickTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
+                                    break;
+                                case 2:
+                                    pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnRightPickTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
+                                    break;
+                            }
+                            pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnPickDownTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
+                        }
+                        
+                        if (pickResult.pickedMesh.actionManager.hasSpecificTrigger(ActionManager.OnLongPressTrigger)) {
+                            var that = this;
+                            window.setTimeout( function() {
+                                var pickResult = that.pick(that._pointerX, that._pointerY, 
+                                (mesh: AbstractMesh): boolean => mesh.isPickable && mesh.isVisible && mesh.isReady() && mesh.actionManager && mesh.actionManager.hasSpecificTrigger(ActionManager.OnLongPressTrigger),
+                                false, that.cameraToUseForPointers);
+
+                                if (pickResult.hit && pickResult.pickedMesh) {
+                                    if (pickResult.pickedMesh.actionManager) {
+                                        if (that._startingPointerTime !== 0 && ((new Date().getTime() - that._startingPointerTime) > ActionManager.LongPressDelay) && (Math.abs(that._startingPointerPosition.x - that._pointerX) < ActionManager.DragMovementThreshold && Math.abs(that._startingPointerPosition.y - that._pointerY) < ActionManager.DragMovementThreshold)) {
+                                            that._startingPointerTime = 0;
+                                            pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnLongPressTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
+                                        }
+                                    }
+                                }
+                            }, ActionManager.LongPressDelay);
                         }
-                        pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnPickDownTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
                     }
                 }
 
@@ -592,12 +612,7 @@
 
                         if (Math.abs(this._startingPointerPosition.x - this._pointerX) < ActionManager.DragMovementThreshold && Math.abs(this._startingPointerPosition.y - this._pointerY) < ActionManager.DragMovementThreshold) {
                             pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnPickTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));
-
-                            if ((new Date().getTime() - this._startingPointerTime) > ActionManager.LongPressDelay) {
-                                pickResult.pickedMesh.actionManager.processTrigger(ActionManager.OnLongPressTrigger, ActionEvent.CreateNew(pickResult.pickedMesh, evt));;
-                            }
                         }
-
                     }
                 }
 
@@ -605,6 +620,8 @@
                     this.onPointerUp(evt, pickResult);
                 }
 
+                this._startingPointerTime = 0;
+                
                 // Sprites
                 if (this.spriteManagers.length > 0) {
                     pickResult = this.pickSprite(this._pointerX, this._pointerY, spritePredicate, false, this.cameraToUseForPointers);