week05
期中考網址:https://jsyeh.org/gl/opengl_10_func.html
step01-1
進入此https://jsyeh.org/3dcg10/,下載data和window,把data丟進window之後點選Transformation.exe
複習上週做的旋轉位移和位移選轉差別
step01-2
複製上週程式加入移動來區分TR和RT
#include <GL/glut.h>
float angle=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,0,0);
glPushMatrix();
glRotatef(angle,0,0,1);
glTranslated(0.8,0,0);
glutSolidTeapot(0.3);
glPopMatrix();
glColor3f(0,1,0);
glPushMatrix();
glTranslated(0.8,0,0);
glRotatef(angle*1.5,0,0,1);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
angle++;
}
int main(int argc, char *argv[])
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week05");
glutDisplayFunc(display);
glutIdleFunc(display);
glutMainLoop();
}
step02-1
利用老師的opengl_TRT_demo互動程式
step03-1
#include <GL/glut.h>
float angle=0;
void myCube()
{
glPushMatrix();
glScaled(0.5,0.2,0.2);
glutSolidCube(1);
glPopMatrix();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);
glutSolidCube(1);
glPushMatrix();
glTranslatef(0.5,0.5,0);
glRotated(angle,0,0,1);
glTranslatef(0.25,0,0);
glColor3f(0,1,0);
myCube();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.5,0.5,0);
glRotated(angle,0,0,1);
glTranslatef(0.25,0,0);
glColor3f(0,1,0);
myCube();
glPopMatrix();
glutSwapBuffers();
angle++;
}
int main(int argc, char *argv[])
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week05");
glutDisplayFunc(display);
glutIdleFunc(display);
glutMainLoop();
}
看影片,上傳github
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