[DRAFT] glTF interactivity and flow graph update (For snapshot)

packages/dev/core/src/Animations/animation.ts

@@ -1006,7 +1006,8 @@ export class Animation {
 
         // check for easingFunction and correction of gradient
         const easingFunction = startKey.easingFunction || this.getEasingFunction();
-        if (easingFunction !== null) {
+        // can also be undefined, if not provided
+        if (easingFunction) {
             gradient = easingFunction.ease(gradient);
         }
 
@@ -1328,35 +1329,35 @@ export class Animation {
     /**
      * Float animation type
      */
-    public static readonly ANIMATIONTYPE_FLOAT = 0;
+    public static readonly ANIMATIONTYPE_FLOAT = Constants.ANIMATIONTYPE_FLOAT;
     /**
      * Vector3 animation type
      */
-    public static readonly ANIMATIONTYPE_VECTOR3 = 1;
+    public static readonly ANIMATIONTYPE_VECTOR3 = Constants.ANIMATIONTYPE_VECTOR3;
     /**
      * Quaternion animation type
      */
-    public static readonly ANIMATIONTYPE_QUATERNION = 2;
+    public static readonly ANIMATIONTYPE_QUATERNION = Constants.ANIMATIONTYPE_QUATERNION;
     /**
      * Matrix animation type
      */
-    public static readonly ANIMATIONTYPE_MATRIX = 3;
+    public static readonly ANIMATIONTYPE_MATRIX = Constants.ANIMATIONTYPE_MATRIX;
     /**
      * Color3 animation type
      */
-    public static readonly ANIMATIONTYPE_COLOR3 = 4;
+    public static readonly ANIMATIONTYPE_COLOR3 = Constants.ANIMATIONTYPE_COLOR3;
     /**
      * Color3 animation type
      */
-    public static readonly ANIMATIONTYPE_COLOR4 = 7;
+    public static readonly ANIMATIONTYPE_COLOR4 = Constants.ANIMATIONTYPE_COLOR4;
     /**
      * Vector2 animation type
      */
-    public static readonly ANIMATIONTYPE_VECTOR2 = 5;
+    public static readonly ANIMATIONTYPE_VECTOR2 = Constants.ANIMATIONTYPE_VECTOR2;
     /**
      * Size animation type
      */
-    public static readonly ANIMATIONTYPE_SIZE = 6;
+    public static readonly ANIMATIONTYPE_SIZE = Constants.ANIMATIONTYPE_SIZE;
     /**
      * Relative Loop Mode
      */

packages/dev/core/src/Engines/constants.ts

@@ -949,6 +949,40 @@ export class Constants {
      */
     public static MatricesWeightsExtraKind = "matricesWeightsExtra";
 
+    // Animation type
+    /**
+     * Float animation type
+     */
+    public static readonly ANIMATIONTYPE_FLOAT = 0;
+    /**
+     * Vector3 animation type
+     */
+    public static readonly ANIMATIONTYPE_VECTOR3 = 1;
+    /**
+     * Quaternion animation type
+     */
+    public static readonly ANIMATIONTYPE_QUATERNION = 2;
+    /**
+     * Matrix animation type
+     */
+    public static readonly ANIMATIONTYPE_MATRIX = 3;
+    /**
+     * Color3 animation type
+     */
+    public static readonly ANIMATIONTYPE_COLOR3 = 4;
+    /**
+     * Color3 animation type
+     */
+    public static readonly ANIMATIONTYPE_COLOR4 = 7;
+    /**
+     * Vector2 animation type
+     */
+    public static readonly ANIMATIONTYPE_VECTOR2 = 5;
+    /**
+     * Size animation type
+     */
+    public static readonly ANIMATIONTYPE_SIZE = 6;
+
     /**
      * The default minZ value for the near plane of a frustum light
      */