Integrating github/staging through commit ab87ed9

2021-04-09 11:27:37 -07:00
parent ae62a97894
commit 1044dc3da1
1582 changed files with 29374 additions and 519051 deletions
@@ -0,0 +1,42 @@
+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+#include "SurfaceData_precompiled.h"
+#include <SurfaceData/Utility/SurfaceDataUtility.h>
+#include <Atom/RPI.Reflect/Model/ModelAssetCreator.h>
+
+namespace SurfaceData
+{
+    bool GetMeshRayIntersection(
+        const AZ::RPI::ModelAsset& meshAsset, const AZ::Transform& meshTransform, const AZ::Transform& meshTransformInverse,
+        const AZ::Vector3& rayOrigin, const AZ::Vector3& rayDirection, AZ::Vector3& outPosition, AZ::Vector3& outNormal)
+    {
+        AZ_PROFILE_FUNCTION(AZ::Debug::ProfileCategory::Entity);
+
+        // Transform everything into model space
+        const AZ::Vector3 rayOriginLocal = meshTransformInverse.TransformPoint(rayOrigin);
+        const AZ::Vector3 rayDirectionLocal = meshTransformInverse.TransformVector(rayDirection).GetNormalized();
+        float distance = FLT_MAX;
+
+        AZ::Vector3 normalLocal;
+
+        if (meshAsset.LocalRayIntersectionAgainstModel(rayOriginLocal, rayDirectionLocal, distance, normalLocal))
+        {
+            // Transform everything back to world space
+            outPosition = meshTransform.TransformPoint(rayOriginLocal + (rayDirectionLocal * distance));
+            outNormal = meshTransform.TransformVector(normalLocal);
+            return true;
+        }
+
+        return false;
+    }
+
+}