OpenGL视角LooAt及Perspective理解

OpenGL视角LooAt及Perspective理解 glm::mat4 projection = glm::perspective(fovyInRadians, aspect, zNear, zFar); void gluLookAt(GLdouble eyeX, GLdouble eyeY, GLdouble eyeZ, GLdouble centerX, GLdouble centerY, GLdouble centerZ, GLdouble upX, GLdouble upY, GLdouble upZ);