Computer Graphics- Lab Assignment 7Solved

from OpenGL.GL import * import numpy as np from OpenGL.GLU import *

def render():

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)     glEnable(GL_DEPTH_TEST)

glMatrixMode(GL_PROJECTION)     glLoadIdentity()     glOrtho(-2,2, –2,2, –1,1)

glMatrixMode(GL_MODELVIEW)     glLoadIdentity()

drawFrame()

t = glfw.get_time()

# blue base transformation     glPushMatrix()     glTranslatef(np.sin(t), 0, 0)

# blue base drawing     glPushMatrix()     glScalef(.2, .2, .2)     glColor3ub(0, 0, 255)     drawBox()     glPopMatrix()

# red arm transformation     glPushMatrix() glRotatef(t*(180/np.pi), 0, 0, 1)

glTranslatef(.5, 0, .01)

# red arm drawing     glPushMatrix()     glScalef(.5, .1, .1)     glColor3ub(255, 0, 0)     drawBox()     glPopMatrix()

def drawBox():

glBegin(GL_QUADS)     glVertex3fv(np.array([1,1,0.]))     glVertex3fv(np.array([-1,1,0.]))     glVertex3fv(np.array([-1,-1,0.]))     glVertex3fv(np.array([1,-1,0.]))     glEnd()

def drawFrame():

# draw coordinate: x in red, y in green, z in blue     glBegin(GL_LINES)     glColor3ub(255, 0, 0)     glVertex3fv(np.array([0.,0.,0.]))     glVertex3fv(np.array([1.,0.,0.]))     glColor3ub(0, 255, 0)     glVertex3fv(np.array([0.,0.,0.]))     glVertex3fv(np.array([0.,1.,0.]))     glColor3ub(0, 0, 255)     glVertex3fv(np.array([0.,0.,0]))     glVertex3fv(np.array([0.,0.,1.]))     glEnd()

def main():     if not glfw.init():

return     window = glfw.create_window(480,480,‘2017123456-lab6-1’, None,None)     if not window:         glfw.terminate()         return

glfw.make_context_current(window)     glfw.swap_interval(1)

while not glfw.window_should_close(window):         glfw.poll_events()         render()

glfw.swap_buffers(window)

glfw.terminate()

if __name__ == “__main__”:

main()