Fixing animation appending instead of commenting out.

It looks like the code is meant for x,y,z with a stride, but our GLB has only x.

Author: Erica Smith and Robert Wallis

Source/Common/GLTFUnarchiver.swift

@@ -1293,22 +1293,34 @@ public class GLTFUnarchiver {
         group.animations = animations
         group.repeatCount = .infinity
 
-        let step = animations.count
-        let dataLength = values.count / step
-//         guard dataLength == keyTimes.count else {
-//             throw GLTFUnarchiveError.DataInconsistent("loadWeightAnimationsSampler: data count mismatch: \(dataLength) != \(keyTimes.count)")
-//         }
-        for i in 0..<animations.count {
-            var valueIndex = i
-            var v = [NSNumber]()
-            v.reserveCapacity(dataLength)
-            for _ in 0..<dataLength {
-                v.append(values[valueIndex])
-                valueIndex += step
+        if keyTimes.count == values.count {
+            for i in 0..<animations.count {
+                var v = [NSNumber]()
+                v.reserveCapacity(values.count)
+                for j in 0..<values.count {
+                    v.append(values[j])
+                }
+                animations[i].values = v
+            }
+        } else {
+            let step = animations.count
+            let dataLength = values.count / step
+            // Comment out to fix animations
+            guard dataLength == keyTimes.count else {
+                throw GLTFUnarchiveError.DataInconsistent("loadWeightAnimationsSampler: data count mismatch: \(dataLength) != \(keyTimes.count)")
+            }
+            for i in 0..<animations.count {
+                var valueIndex = i
+                var v = [NSNumber]()
+                v.reserveCapacity(dataLength)
+                for _ in 0..<dataLength {
+                    v.append(values[valueIndex])
+                    valueIndex += step
+                }
+                animations[i].values = v
             }
-            animations[i].values = v
         }
-        
+	
         return group
     }