#ifndef JUMPARTIFACT_DOT_COM_DEMO_0_3D_HELPERS_H_ #define JUMPARTIFACT_DOT_COM_DEMO_0_3D_HELPERS_H_ // third party includes #include extern Matrix get_identity_matrix(); extern Matrix get_rotation_matrix_about_z(float radians); extern Matrix get_rotation_matrix_about_y(float radians); extern Matrix get_rotation_matrix_about_x(float radians); extern Matrix translate_matrix_z(float distance); extern Matrix operator*(const Matrix &a, const Matrix &b); extern Vector4 operator*(const Matrix &m, const Vector4 &v); #endif