mat4 mat4::Identity()

mat4 mat4::Translate(const vec3&in v)

mat4 mat4::Rotate(float angle, const vec3&in dir)

mat4 mat4::Scale(const vec3&in scale)

mat4 mat4::Scale(float scale)

mat4 mat4::Perspective(float yFov, float aspect, float nearZ, float farZ)

mat4 mat4::Inverse(const mat4&in)

mat4 mat4::LookAt(const vec3&in eye, const vec3&in center, const vec3&in up)

mat4 mat4::Transpose(const mat4&in)