Added acMeshRandomize to astaroth.h to keep core and utils separate

src/core/astaroth.cc

@@ -221,6 +221,23 @@ acMeshCreate(const AcMeshInfo info, AcMesh* mesh)
     return AC_SUCCESS;
 }
 
+static AcReal
+randf(void)
+{
+    return (AcReal)rand() / (AcReal)RAND_MAX;
+}
+
+AcResult
+acMeshRandomize(AcMesh* mesh)
+{
+    const int n = acVertexBufferSize(mesh->info);
+    for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
+        for (int i = 0; i < n; ++i)
+            mesh->vertex_buffer[w][i] = randf();
+
+    return AC_SUCCESS;
+}
+
 AcResult
 acMeshDestroy(AcMesh* mesh)
 {