Removing old vector math.

src/topology.cpp

@@ -277,22 +277,21 @@ namespace bgfx
 		return (_a + _b + _c) * 1.0f/3.0f;
 	}
 
-	const float* vertexPos(const void* _vertices, uint32_t _stride, uint32_t _index)
+	const bx::Vec3 vertexPos(const void* _vertices, uint32_t _stride, uint32_t _index)
 	{
 		const uint8_t* vertices = (const uint8_t*)_vertices;
-		return (const float*)&vertices[_index*_stride];
+		return bx::load(&vertices[_index*_stride]);
 	}
 
 	inline float distanceDir(const float* __restrict _dir, const void* __restrict _vertices, uint32_t _stride, uint32_t _index)
 	{
-		return bx::vec3Dot(vertexPos(_vertices, _stride, _index), _dir);
+		return bx::dot(vertexPos(_vertices, _stride, _index), bx::load(_dir) );
 	}
 
 	inline float distancePos(const float* __restrict _pos, const void* __restrict _vertices, uint32_t _stride, uint32_t _index)
 	{
-		float tmp[3];
-		bx::vec3Sub(tmp, _pos, vertexPos(_vertices, _stride, _index) );
-		return bx::sqrt(bx::vec3Dot(tmp, tmp) );
+		const bx::Vec3 tmp = bx::sub(bx::load(_pos), vertexPos(_vertices, _stride, _index) );
+		return bx::sqrt(bx::dot(tmp, tmp) );
 	}
 
 	typedef float (*KeyFn)(float, float, float);