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| #include "stdafx.h"
#include <Windows.h>
#include <gl\GL.h>
#include <gl\GLU.h>
#include <glut.h>
using namespace std;
/* начальная ширина и высота окна */
GLfloat Width = 500.0, Height = 500.0;
float Angle=0.0;
bool where_to=FALSE;
bool rotate_=FALSE;
bool what=FALSE, what_b=FALSE, begin=FALSE;
float x=0.0, y=0.0;
float Old_x=0.0, Old_y=0;
/* эта функция управляет всем выводом на экран */
void Display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
glColor3f(1.0,1.0,1.0);
if(begin==TRUE)//цикл условия начала отрисовки фигур
{
glPushMatrix();
glRotatef(Angle,0.0,1.0,1.0);
glTranslatef(x, y, 0.0);
if(what_b==TRUE) glutSolidSphere(60.0, 20, 20);
else glutWireSphere(60.0, 20, 20);
glPopMatrix();
glColor3f(1.0, 0.0, 0.0);
glPushMatrix();
glRotatef(Angle, 0.0, 1.0, 0.0);
glTranslatef(x+110, y, 0.0);
if(what==TRUE) glutSolidSphere(40.0, 20, 20);
else glutWireSphere(40.0, 20, 20);
glutWireTetrahedron();
glPopMatrix();
if(rotate_==TRUE){
if(where_to==TRUE)Angle+=10.0;
else Angle-=10.0;}
/*glColor3f(1.0, 1.0, 1.0);
glBegin(GL_POINTS);
glVertex2f(x, y);
glEnd();*/
glColor3f(1.0, 1.0, 0.0);
glPushMatrix();
glRotatef(Angle,0.0,1.0,1.0);
glBegin(GL_TRIANGLE_STRIP);
glVertex3f(-110.0, 0.0, 50.0);
glVertex3f(-160.0, 0.0, 50.0);
glVertex3f(-135.0, -80.0, 0.0);
glVertex3f(-110.0, 0.0, -50.0);
glVertex3f(-160.0, 0.0, -50.0);
glEnd();
glBegin(GL_TRIANGLES);
glVertex3f(-160.0, 0.0, -50.0);
glVertex3f(-135.0, -80.0, 0.0);
glVertex3f(-160.0, 0.0, 50.0);
glVertex3f(-160.0, 0.0, 50.0);
glVertex3f(-110.0, 0.0, 50.0);
glVertex3f(-160.0, 0.0, -50.0);
glVertex3f(-160.0, 0.0, -50.0);
glVertex3f(-110.0, 0.0, 50.0);
glVertex3f(-110.0, 0.0, -50.0);
glEnd();
glPopMatrix();
}
glFinish();
}
void Initial()
{
glClearColor(0.0, 0.0, 0.0, 1.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-Width/2, Width/2, +(Height/2), -(Height/2), -250, 250);
glMatrixMode(GL_MODELVIEW);
}
void Timer(int)
{
glutPostRedisplay();
glutTimerFunc(50, Timer, 0);
}
void keyboard(unsigned char key, int x, int y)
{
switch(key)
{
case 'z': rotate_=1;
break;
case 'x': rotate_=0;
break;
case '1': {what=1; what_b=1;}
break;
case '2': {what=0; what_b=0;}
break;
}
#define ESCAPE '\033'
if( key == ESCAPE ) exit(0);
}
void Skeyboard(int key, int x, int y)
{
switch(key)
{
case GLUT_KEY_RIGHT: where_to=0;
break;
case GLUT_KEY_LEFT: where_to=1;
break;
case GLUT_KEY_UP: rotate_=1;
break;
case GLUT_KEY_DOWN: rotate_=0;
break;
}
}
void MousePressedMove(int ax, int ay)
{
if(GLUT_LEFT_BUTTON){
x=ax-Width/2;
y=ay-Height/2;}
if(GLUT_RIGHT_BUTTON){
x=ax-Old_x;
y=ay-Old_y;}
rotate_=0;
begin=1;
glutPostRedisplay();
}
void MousePressed(int button, int state, int x, int y)
{
Old_x=x;
Old_y=y;
switch (state)
{
case GLUT_UP: rotate_=1;
break;
case GLUT_DOWN: {rotate_=0; begin=1;}
break;
}
glutPostRedisplay();
}
/* Главный цикл приложения */
int main(int argc, char* argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB);
glutInitWindowSize(Width, Height);
glutCreateWindow("1st one");
glutDisplayFunc(Display);
Initial();
glutKeyboardFunc(keyboard);
glutSpecialFunc(Skeyboard);
glutMotionFunc(MousePressedMove);
glutMouseFunc(MousePressed);
glutTimerFunc(50,Timer,0);
glutMainLoop();
} |
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