计算机绘图雪人

include static GLfloat xRot 0 0f static GLfloat yRot 0 0f void Reshape int w int h glClear GL COLOR BUFFER BIT GL DEPTH BUFFER BIT glClearColor 0 5f 0 5f 1 0f 0 5f GLfloat Scale if h 0 h 1 glViewport 0 0 w h Scale GLfloat w GLfloat h glMatrixMode GL PROJECTION glLoadIdentity gluPerspective 40 0f Scale 1 0 40 0 glMatrixMode GL MODELVIEW glLoadIdentity void SpecialKeys int key int x int y if key GLUT KEY UP xRot 1 0f if key GLUT KEY DOWN xRot 1 0f if key GLUT KEY LEFT yRot 1 0f if key GLUT KEY RIGHT yRot 1 0f xRot GLfloat const int xRot 360 yRot GLfloat const int yRot 360 glutPostRedisplay void Display void GLUquadricObj pObj glClear GL COLOR BUFFER BIT GL DEPTH BUFFER BIT glPushMatrix glTranslatef 0 0f 1 0f 5 0f glRotatef xRot 1 0f 0 0f 0 0f glRotatef yRot 0 0f 1 0f 0 0f pObj gluNewQuadric gluQuadricNormals pObj GLU SMOOTH Main Body glPushMatrix glColor3f 1 0f 1 0f 1 0f gluSphere pObj 40f 26 13 Bottom glTranslatef 0 0f 550f 0 0f Mid section gluSphere pObj 3f 26 13 glTranslatef 0 0f 0 45f 0 0f Head gluSphere pObj 0 24f 26 13 Eyes glColor3f 0 0f 0 0f 0 0f glTranslatef 0 1f 0 1f 0 21f gluSphere pObj 0 02f 26 13 glTranslatef 0 2f 0 0f 0 0f gluSphere pObj 0 02f 26 13 Nose glColor3f 1 0f 0 3f 0 3f glTranslatef 0 1f 0 12f 0 0f gluCylinder pObj 0 04f 0 0f 0 3f 26 13 glPopMatrix Hat glPushMatrix glColor3f 0 0f 0 0f 0 0f glTranslatef 0 0f 1 17f 0 0f glRotatef 90 0f 1 0f 0 0f 0 0f gluCylinder pObj 0 17f 0 17f 0 4f 26 13 Hat brim glDisable GL CULL FACE gluDisk pObj 0 17f 0 28f 26 13 glEnable GL CULL FACE glTranslatef 0 0f 0 0f 0 40f gluDisk pObj 0 0f 0 17f 26 13 glPopMatrix glPopMatrix glutSwapBuffers int main int argc char argv glutInit glutInitDisplayMode GLUT DOUBLE GLUT RGB GLUT DEPTH glutInitWindowSize 800 600 glutCreateWindow Snowman glutR