Adding ViroKit. Needs AWSCore :(

mobile/ios/ViroKit.framework/Headers/VROShapeUtils.h

@@ -0,0 +1,63 @@
+//
+//  VROShapeUtils.h
+//  ViroRenderer
+//
+//  Created by Raj Advani on 12/3/15.
+//  Copyright © 2015 Viro Media. All rights reserved.
+//
+
+#ifndef VROShapeUtils_h
+#define VROShapeUtils_h
+
+#include <stdio.h>
+#include <vector>
+#include <memory>
+
+class VROData;
+class VROVector3f;
+class VROGeometrySource;
+
+typedef struct {
+    // Position
+    float x;
+    float y;
+    float z;
+    
+    // Tex-coords
+    float u;
+    float v;
+    
+    // Normal
+    float nx;
+    float ny;
+    float nz;
+    
+    // Tangent
+    float tx;
+    float ty;
+    float tz;
+    float tw;
+} VROShapeVertexLayout;
+
+/*
+ Compute the tangents for the given shape and store them.
+ */
+void VROShapeUtilComputeTangents(VROShapeVertexLayout *vertexLayout, size_t verticesLength,
+                                 int *indices, size_t indicesLength);
+
+/*
+ Three-part function for computing tangents across different index arrays, but the same
+ vertex array.
+ */
+VROVector3f *VROShapeUtilStartTangents(VROShapeVertexLayout *vertexLayout, size_t verticesLength);
+void VROShapeUtilComputeTangentsForIndices(VROShapeVertexLayout *vertexLayout, size_t verticesLength,
+                                           int *indices, size_t indicesLength, VROVector3f *tan1);
+void VROShapeUtilEndTangents(VROShapeVertexLayout *vertexLayout, size_t verticesLength, VROVector3f *tan1);
+
+/*
+ Build the geometry sources for rendering the given vertex data.
+ */
+std::vector<std::shared_ptr<VROGeometrySource>> VROShapeUtilBuildGeometrySources(std::shared_ptr<VROData> vertexData,
+                                                                                 size_t numVertices);
+
+#endif /* VROShapeUtils_h */