add readme

runtime-building-models/README.md

@@ -0,0 +1,3 @@
+# Runtime building models
+
+An ARCore and Sceneform project that build basic models, like sphere and cube, at runtime and place these into the scene.

runtime-building-models/app/src/main/java/it/norangeb/runtimebuildingmodels/Util.kt

@@ -88,7 +88,7 @@ fun changeColorOfMaterial(
     color: Color,
     renderable: Renderable
 ) {
-    val newColor = buildMaterial(context, color) {
+    buildMaterial(context, color) {
         renderable.material = it
     }
 }