glPushMatrix(); //備份矩陣
glTranslatef(x,y,z); //移動
glRotatef(角度x,y,z); //旋轉
glScalef(x,y,z); //縮放
glBegin(GL_POLYGON); //開始畫
glNormal3f(nx,ny,nz); //打光的法向量
glTexCoord2f(tx,ty); //貼圖座標
glColor3f(r,g,b); //顏色
glVertex3f(x,y,z); //頂點
glEnd();
glPopMatrix();
茶壺轉:
#include <GL/glut.h>float mouseX=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT |GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(mouseX,0,0,1);
glColor3f(1,0,0);
glutSolidTeapot(0.3);
glPushMatrix();
glTranslatef(0.5, 0.14,0);
glRotatef(mouseX,0,0,1);
glTranslatef(0.41,-0.05,0);
glColor3f(1,1,1);
glutSolidTeapot(0.3);
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
void motion(int x, int y)
{
mouseX = x;
glutPostRedisplay();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB|GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("TRT robot");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutMainLoop();
}
沒有留言:
張貼留言