Merge pull request #82 from Geodan/improve_height_precision

update verticals

src/GPUTileHandler.cs

@@ -47,7 +47,8 @@ public static byte[] GetGPUTile(List<Instance> instances, bool UseScaleNonUnifor
 
         foreach (var node in model.LogicalNodes)
         {
-            node.LocalTransform *= Matrix4x4.CreateTranslation(translation);
+            var tra = new Vector3((float)translation.X, (float)translation.Y, (float)translation.Z);
+            node.LocalTransform *= Matrix4x4.CreateTranslation(tra);
         }
 
         var bytes = model.WriteGLB().Array;
@@ -73,7 +74,7 @@ private static StructuralMetadataClass AddMetadataSchema(ModelRoot gltf)
         return schemaClass;
     }
 
-    private static SceneBuilder AddModels(IEnumerable<Instance> instances, Vector3 translation, bool UseScaleNonUniform)
+    private static SceneBuilder AddModels(IEnumerable<Instance> instances, Point translation, bool UseScaleNonUniform)
     {
         var sceneBuilder = new SceneBuilder();
 
@@ -88,7 +89,7 @@ private static SceneBuilder AddModels(IEnumerable<Instance> instances, Vector3 t
         return sceneBuilder;
     }
 
-    private static void AddModelInstancesToScene(SceneBuilder sceneBuilder, IEnumerable<Instance> instances, bool UseScaleNonUniform, Vector3 translation, string model)
+    private static void AddModelInstancesToScene(SceneBuilder sceneBuilder, IEnumerable<Instance> instances, bool UseScaleNonUniform, Point translation, string model)
     {
         var modelInstances = instances.Where(s => s.Model.Equals(model)).ToList();
         var modelRoot = ModelRoot.Load(model);
@@ -103,7 +104,7 @@ private static void AddModelInstancesToScene(SceneBuilder sceneBuilder, IEnumera
         }
     }
 
-    private static SceneBuilder GetSceneBuilder(IMeshBuilder<MaterialBuilder> meshBuilder, Instance instance, bool UseScaleNonUniform, Vector3 translation, int pointId)
+    private static SceneBuilder GetSceneBuilder(IMeshBuilder<MaterialBuilder> meshBuilder, Instance instance, bool UseScaleNonUniform, Point translation, int pointId)
     {
         var transformation = GetInstanceTransform(instance, UseScaleNonUniform, translation);
         var json = "{\"_FEATURE_ID_0\":" + pointId + "}";
@@ -112,7 +113,7 @@ private static SceneBuilder GetSceneBuilder(IMeshBuilder<MaterialBuilder> meshBu
         return sceneBuilder;
     }
 
-    private static AffineTransform GetInstanceTransform(Instance instance, bool UseScaleNonUniform, Vector3 translation)
+    private static AffineTransform GetInstanceTransform(Instance instance, bool UseScaleNonUniform, Point translation)
     {
         var point = (Point)instance.Position;
 
@@ -126,7 +127,7 @@ private static AffineTransform GetInstanceTransform(Instance instance, bool UseS
         var instanceQuaternion = Quaternion.CreateFromYawPitchRoll((float)instance.Yaw, (float)instance.Pitch, (float)instance.Roll);
         var res = Quaternion.CreateFromRotationMatrix(m4);
 
-        var position2 = position - translation;
+        var position2 = new Vector3((float)(position.X - translation.X), (float)(position.Y - translation.Y), (float)(position.Z - translation.Z));
 
         var scale = UseScaleNonUniform ?
             new Vector3((float)instance.ScaleNonUniform[0], (float)instance.ScaleNonUniform[1], (float)instance.ScaleNonUniform[2]) :
@@ -199,8 +200,8 @@ private static Matrix4x4 GetTransformationMatrix((Vector3 East, Vector3 North, V
         m4.M33 = forward.Z;
         return m4;
     }
-    private static Vector3 ToYUp(Point position)
+    private static Point ToYUp(Point position)
     {
-        return new Vector3((float)position.X, (float)position.Z, (float)position.Y * -1);
+        return new Point((double)position.X, (double)position.Z, (double)position.Y * -1);
     }
 }