图形学实验报告(8)

//glutSolidSphere(1.0, 20, 16);

//glRotatef(30.0f,0.0f,1.0f,1.0f);

GeometryTransfer();

//SetLightPos();

glColor3f(0.0f, 1.0f, 0.0f);

if(0) {

Normal(parabolicSurf[a][r], parabolicSurf[a][r + 1],

for(int a = 0; a < 36; a++) {

for(int r = 0; r < 9; r++) {

double n[3];

glBegin(GL_QUADS);

parabolicSurf[(a + 1)6][r + 1], n);

glNormal3dv(n);

glEnd();

glVertex3dv(parabolicSurf[a][r]); glVertex3dv(parabolicSurf[a][r + 1]);

glVertex3dv(parabolicSurf[(a + 1)6][r + 1]); glVertex3dv(parabolicSurf[(a + 1)6][r]);

}

}

}

DrawTextureGraph();

glFlush (); }

void reshape (int w, int h) {

glViewport (0, 0, (GLsizei) w, (GLsizei) h); glMatrixMode (GL_PROJECTION); glLoadIdentity();

m_clientWidth = w; //add by cxg m_clientHeight = h; //

if (w <= h)

glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w, 1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0); else

glOrtho (-1.5*(GLfloat)w/(GLfloat)h,

1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); }

void mouse(int button, int state, int x, int y) {

switch (button) {

case GLUT_LEFT_BUTTON: if (state == GLUT_DOWN) {

diffuseMaterial[0] += 0.1; if (diffuseMaterial[0] > 1.0) diffuseMaterial[0] = 0.0; glColor4fv(diffuseMaterial);

m_downPoint.x=x; //add by cxg m_downPoint.y=y; // m_leftDown=1; //

}

else // { }

Point3I curPoint; curPoint.x=x; curPoint.y=y;

ProcessMoving(curPoint);

glutPostRedisplay(); break;

case GLUT_MIDDLE_BUTTON: if (state == GLUT_DOWN) { diffuseMaterial[1] += 0.1; if (diffuseMaterial[1] > 1.0) diffuseMaterial[1] = 0.0; glColor4fv(diffuseMaterial); glutPostRedisplay(); } break;

case GLUT_RIGHT_BUTTON: if (state == GLUT_DOWN) {

//m_transMode = (m_transMode + 1)%3; //add by cxg flag = (flag + 1)%3;

diffuseMaterial[2] += 0.1; if (diffuseMaterial[2] > 1.0) diffuseMaterial[2] = 0.0; glColor4fv(diffuseMaterial); glutPostRedisplay(); } break; default: break; } }

void keyboard(unsigned char key, int x, int y) {

switch (key) { case 27: exit(0); break; } }

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