鍵盤控制+滑鼠控制茶壺

使用鍵盤控制茶壺

專案選項 Win32 Console

使用鍵盤控制茶壺，顯示滑鼠座標

增加立體感

可以滑鼠左右移動

可以用滑鼠上下左右轉動

#include <GL/glut.h>

#include <stdio.h>

#include <math.h>

float angleX=0,startX=0;

float angleY=0,startY=0;

float m[16] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};

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

{

printf("%d %d %d %d\n",button,state,x,y);

startX=x;

startY=y;

}

void motion (int x, int y)

{

printf("%d %d\n",x,y);

angleX = x-startX;    startX=x;

angleY = y-startY;    startY=y;

glutPostRedisplay();

}

void myLight()

{

const GLfloat light_position[]={2.0f,5.0f,-5.0f,0.0f};

glEnable(GL_LIGHT0);

glEnable(GL_NORMALIZE);

glEnable(GL_COLOR_MATERIAL);

glEnable(GL_LIGHTING);

glLightfv(GL_LIGHT0,GL_POSITION,light_position);

}

void display()

{

glEnable(GL_DEPTH_TEST);

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glPushMatrix();

float dist =sqrt(angleX*angleX + angleY*angleY);

glRotatef(dist,-angleY,-angleX,0);

glMultMatrixf(m);

glGetFloatv(GL_MODELVIEW_MATRIX,m);

//glRotatef(angleX,0,-1,0);

//glRotatef(angleY,-1,0,0);

glutSolidTeapot(0.3);

glPopMatrix();

glutSwapBuffers();

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week10");

glutDisplayFunc(display);

glutMouseFunc(mouse);

glutMotionFunc(motion);

myLight();

glutMainLoop();

}