using openGL api to construct a 3D house and it will rotate in x,y,z axis over the keybaord function
Execution gcc house.c -lglut -lGL -lGLU -o house && ./house
Mosue Event: Left Button-X-axis Right Button-Y-axis Middle Button-Z-axis
KeyBoard Event: a-increse house size A-decrease house size s-start/stop rotataion
