1.
2.
X向右，Y向上，Z向螢幕外
程式碼:
#01.
#include <GL/glut.h>
#include <stdio.h>
void display()
{
glutSolidTeapot(0.3);
glutSwapBuffers();
}
void mouse(int button,int state, int x, int y)
{
printf("%d %d %d %d\n",button,state,x,y);
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE| GLUT_DEPTH);
glutCreateWindow("week mouse");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMainLoop();
}
---------------------------------------------
#02.
#include <GL/glut.h>
#include <stdio.h>
void display()
{
glutSolidTeapot(0.3);
glutSwapBuffers();
}
void mouse(int button,int state, int x, int y)
{
if(state==GLUT_DOWN){
printf("glVertex2f((%d-150)/150.0, -(%d-150)/150);\n",x,y);
}
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE| GLUT_DEPTH);
glutCreateWindow("week mouse");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMainLoop();
}
---------------------------------------------
#03.
#include <GL/glut.h>
#include <stdio.h>
float teapotX = 0,teapotY = 0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(teapotX, teapotY, 0);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
void mouse(int button,int state, int x, int y)
{
teapotX =(x-150)/150.0;
teapotY =-(y-150)/150.0;
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE| GLUT_DEPTH);
glutCreateWindow("week mouse");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMainLoop();
}
---------------------------------------------
#04.
#include <GL/glut.h>
#include <stdio.h>
float teapotX = 0,teapotY = 0;
float angle = 0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angle, 0, 0, 1);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
void mouse(int button,int state, int x, int y)
{
teapotX =(x-150)/150.0;
teapotY =-(y-150)/150.0;
}
void motion(int x, int y)
{
angle = x;
display();
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE| GLUT_DEPTH);
glutCreateWindow("week mouse");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
---------------------------------------------
#05.
#include <GL/glut.h>
#include <stdio.h>
float teapotX = 0,teapotY = 0;
float angle = 0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(teapotX, teapotY, 0);
glRotatef(angle, 0, 0, 1);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
int method = 1;
int oldX=0,oldY=0;
void mouse(int button,int state, int x, int y)
{
///teapotX =(x-150)/150.0;
///teapotY =-(y-150)/150.0;
oldX = x;
oldY = y;
}
void motion(int x, int y)
{
if(method==1){
angle+= x-oldX;
}else if(method==2){
teapotX += (x-oldX)/150.0;
teapotY -= (y-oldY)/150.0;
}
oldX= x;
oldY= y;
display();
}
void keyboard(unsigned char key, int x, int y)
{
if(key=='e') method = 1;
if(key=='w') method = 2;
printf("method:%c %d\n", key, method);
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE| GLUT_DEPTH);
glutCreateWindow("week mouse");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMainLoop();
}
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