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| #include "gl/glut.h"
#include <time.h>
#include <windows.h>
#include <stdio.h>
int length = 3;
int speed = 100;
int direction = 0;
struct
{
int x;
int y;
} Snake[100];
struct
{
int x;
int y;
} food;
void init(void);
void display()
{
glPointSize(10);
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_POINTS);
glColor3f(0.5, 0.1, 1);
for (int i = 20; i < 380; i++) glVertex2f(i, 20);
for (int i = 20; i < 280; i++) glVertex2f(20, i);
for (int i = 20; i < 380; i++) glVertex2f(i, 280);
for (int i = 20; i < 280; i++) glVertex2f(380, i);
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0, 1, 0);
for (int i = 0; i < length; ++i)
{
glVertex2f(Snake[i].x-10, Snake[i].y-10);
}
glColor3f(1, 0.3, 0);
glVertex2f(food.x-10, food.y-10);
glClear(GL_COLOR_BUFFER_BIT);
glEnd();
glFlush();
glutSwapBuffers();
}
void timer(int = 0)
{
display();
if(direction == 0 && speed % 10 == 0)
{
for(int i = length-1; i>0; --i)
{
Snake[i].x = Snake[i-1].x;
Snake[i].y = Snake[i-1].y;
}
Snake[0].y -= 10;
speed=1;
}
if(direction == 1 && speed % 10 == 0)
{
for(int i = length-1; i>0; --i)
{
Snake[i].x = Snake[i-1].x;
Snake[i].y = Snake[i-1].y;
}
Snake[0].x += 10;
speed=1;
}
if(direction == 2 && speed % 10 == 0)
{
for(int i = length - 1; i>0; --i)
{
Snake[i].x = Snake[i-1].x;
Snake[i].y = Snake[i-1].y;
}
Snake[0].y += 10;
speed=1;
}
if(direction == 3 && speed % 10 == 0)
{
for(int i = length-1; i>0; --i)
{
Snake[i].x = Snake[i-1].x;
Snake[i].y = Snake[i-1].y;
}
Snake[0].x -= 10;
speed=1;
}
if(Snake[0].x <= 30 || Snake[0].y <= 30 || Snake[0].x >= 390 || Snake[0].y >= 290 )
{
MessageBox(NULL, L"Игра закончена!", L"Змейка", MB_OK);
exit(0);
}
if(GetAsyncKeyState(VK_LEFT))
{
if( direction != 1 )direction = 3;
}
if(GetAsyncKeyState(VK_RIGHT))
{
if( direction != 3 )direction = 1;
}
if(GetAsyncKeyState(VK_UP))
{
if( direction != 0 )direction = 2;
}
if(GetAsyncKeyState(VK_DOWN))
{
if( direction != 2 )direction = 0;
}
if(GetAsyncKeyState(27)) exit(0);
if(Snake[0].x == food.x && Snake[0].y == food.y)
{
while(true)
{
food.x = rand()%400;
food.y = rand()%300;
if(food.x%10 == 0 && food.y%10 == 0 && food.x > 40 && food.x < 350 && food.y > 40 && food.y < 250) break;
}
++length;
Snake[length].x = Snake[length].x;
Snake[length].y = Snake[length].y - 10;
}
for(int i = 1; i < length; ++i)
if(Snake[0].x == Snake[i].x && Snake[0].y == Snake[i].y)
{
MessageBox(NULL, L"Игра закончена!", L"Змейка", MB_OK);
exit(0);
}
if(length==100)
{
MessageBox(NULL, L"Победа!", L"Змейка", MB_OK);
exit(0);
}
if(speed < 200) speed++;
glutTimerFunc(10, timer, 0);
}
void init()
{
int length = 3;
int speed = 100;
int direction = 0;
srand(time(NULL));
while(true)
{
food.x = rand()%400;
food.y = rand()%300;
if(food.x%10 == 0 && food.y%10 == 0 && food.x > 40 && food.x < 350 && food.y > 40 && food.y < 250) break;
}
Snake[0].x = 200;
Snake[0].y = 150;
for (int i = 0; i < length; ++i)
{
Snake[i+1].x = Snake[i].x;
Snake[i+1].y = Snake[i].y +10;
}
timer();
}
int main(int argc, char **argv)
{
printf("OpenGl Debug Console");
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
glutInitWindowSize(400,300);
glutInitWindowPosition(50,100);
glutCreateWindow("Змейка");
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glViewport(0,0,400,300);
gluOrtho2D(0.0, 400.0, 0.0, 300.0);
glutDisplayFunc(display);
init();
glutMainLoop();
return 0;
} |
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