SDK : SceneComposer

- Added support for Axis X,Y,Z scaling into the ScaleTool, still need some enhancement

sdk/jme3-scenecomposer/src/com/jme3/gde/scenecomposer/tools/ScaleTool.java

@@ -22,7 +22,8 @@ import org.openide.loaders.DataObject;
  */
 public class ScaleTool extends SceneEditTool {
 
-    private Vector3f pickedPlane;
+    private Vector3f pickedMarker;
+    private Vector3f constraintAxis; //used for one axis scale
     private Vector2f lastScreenCoord;
     private Vector3f startScale;
     private Vector3f lastScale;
@@ -43,8 +44,9 @@ public class ScaleTool extends SceneEditTool {
     public void actionPrimary(Vector2f screenCoord, boolean pressed, JmeNode rootNode, DataObject dataObject) {
         if (!pressed) {
             setDefaultAxisMarkerColors();
-            pickedPlane = null; // mouse released, reset selection
+            pickedMarker = null; // mouse released, reset selection
             lastScreenCoord = null;
+            constraintAxis = Vector3f.UNIT_XYZ; // no axis constraint
             if (wasDragging) {
                 actionPerformed(new ScaleUndo(toolController.getSelectedSpatial(), startScale, lastScale));
                 wasDragging = false;
@@ -59,22 +61,22 @@ public class ScaleTool extends SceneEditTool {
 
     @Override
     public void mouseMoved(Vector2f screenCoord, JmeNode rootNode, DataObject currentDataObject, JmeSpatial selectedSpatial) {
-        if (pickedPlane == null) {
+        if (pickedMarker == null) {
             highlightAxisMarker(camera, screenCoord, axisPickType, true);
         }
         /*else {
-            pickedPlane = null;
-            lastScreenCoord = null;
-        }*/
+         pickedPlane = null;
+         lastScreenCoord = null;
+         }*/
     }
 
     @Override
     public void draggedPrimary(Vector2f screenCoord, boolean pressed, JmeNode rootNode, DataObject currentDataObject) {
         if (!pressed) {
             setDefaultAxisMarkerColors();
-            pickedPlane = null; // mouse released, reset selection
+            pickedMarker = null; // mouse released, reset selection
             lastScreenCoord = null;
-            
+            constraintAxis = Vector3f.UNIT_XYZ; // no axis constraint
             if (wasDragging) {
                 actionPerformed(new ScaleUndo(toolController.getSelectedSpatial(), startScale, lastScale));
                 wasDragging = false;
@@ -82,22 +84,31 @@ public class ScaleTool extends SceneEditTool {
             return;
         }
 
-        if (toolController.getSelectedSpatial() == null)
+        if (toolController.getSelectedSpatial() == null) {
             return;
-        if (pickedPlane == null) {
-            pickedPlane = pickAxisMarker(camera, screenCoord, axisPickType);
-            if (pickedPlane == null)
+        }
+        if (pickedMarker == null) {
+            pickedMarker = pickAxisMarker(camera, screenCoord, axisPickType);
+            if (pickedMarker == null) {
                 return;
+            }
+            if (pickedMarker.equals(ARROW_X)) {
+                constraintAxis = Vector3f.UNIT_X; // scale only X
+            } else if (pickedMarker.equals(ARROW_Y)) {
+                constraintAxis = Vector3f.UNIT_Y; // scale only Y
+            } else if (pickedMarker.equals(ARROW_Z)) {
+                constraintAxis = Vector3f.UNIT_Z; // scale only Z
+            }
             startScale = toolController.getSelectedSpatial().getLocalScale().clone();
         }
 
         if (lastScreenCoord == null) {
             lastScreenCoord = screenCoord;
         } else {
-            float diff = screenCoord.y-lastScreenCoord.y;
+            float diff = screenCoord.y - lastScreenCoord.y;
             diff *= 0.1f;
             lastScreenCoord = screenCoord;
-            Vector3f scale = toolController.getSelectedSpatial().getLocalScale().add(diff, diff, diff);
+            Vector3f scale = toolController.getSelectedSpatial().getLocalScale().add(new Vector3f(diff, diff, diff).multLocal(constraintAxis));
             lastScale = scale;
             toolController.getSelectedSpatial().setLocalScale(scale);
             updateToolsTransformation();
@@ -114,7 +125,7 @@ public class ScaleTool extends SceneEditTool {
     private class ScaleUndo extends AbstractUndoableSceneEdit {
 
         private Spatial spatial;
-        private Vector3f before,after;
+        private Vector3f before, after;
 
         ScaleUndo(Spatial spatial, Vector3f before, Vector3f after) {
             this.spatial = spatial;