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#include <stdio.h>
#include <conio.h>
#include <glut.h>
int x;
int y;
float BallX = 0.0, BallY = 0.0, BallXY = 0.0;
bool TopHit = false;
bool DownHit = false;
float BX = 0.0, BY = 0.0; //center of ball
float B1X = -1.0, B1Y = 1.0, B2X = 1.0, B2Y = -1.0; //bounding box of ball
float DX = -16.0, DY = 0.0; //center of paddle 3 (DOWN)
float D1X = 2.5, D1Y = -12.5, D2X = -3.5, D2Y = -11.5; //bounding box of paddle 3
float TX = 0, TY = 16.0; // center of paddle 4 (TOP)
float T1X = 2.5, T1Y = 12.5, T2X = -3.5, T2Y = 11.5; // bounding box of paddle 4
float Angle = 0.0f;
void GameScene()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glPopMatrix();
glLineWidth(2.0);
glColor3f(1.0,1.0,1.0);
glPushMatrix();
glBegin(GL_LINE_LOOP);
glVertex3f(D1X, D1Y, 0.0);
glVertex3f(D2X, D1Y, 0.0);
glVertex3f(D2X, D2Y, 0.0);
glVertex3f(D1X, D2Y, 0.0);
glEnd();
glBegin(GL_POINTS);
glVertex3f(BX, BY, 0.0);
glEnd();
glPopMatrix();
glColor3f(1.0,1.0,1.0);
glPushMatrix();
glBegin(GL_LINE_LOOP);
glVertex3f(T1X, T1Y, 0.0);
glVertex3f(T2X, T1Y, 0.0);
glVertex3f(T2X, T2Y, 0.0);
glVertex3f(T1X, T2Y, 0.0);
glEnd();
glPopMatrix();
glPushMatrix();
if((B1X <= T2X && B2X <= T2X) && (B1Y >= T2Y && B2Y <= T1Y))
TopHit = true;
if((B2X >= D1X && B1X <= D2X) && (B2Y <= D1Y && B1Y >= D2Y))
DownHit = true;
if(B1Y <= T1X)
DownHit = true;
if(B2Y >= D2Y)
DownHit = false;
if(BallY < -5)
TopHit = true;
if(BallY > 2)
TopHit = false;
if(BallY > -5)
DownHit = true;
if(BallY < 2)
DownHit = false;
if(TopHit)
{
BY -= 0.05;
B1Y -= 0.05;
B2Y -= 0.05;
}
else
{
BY += 0.05;
B1Y += 0.05;
B2Y += 0.05;
}
if(DownHit)
{
BallY += 0.05;
B1Y += 0.05;
B2Y += 0.05;
}
else
{
BallY -= 0.05;
B1Y -= 0.05;
B2Y -= 0.05;
}
//ball
glPushMatrix();
glColor3f(1.0,1.00,0);
glBegin(GL_LINE_LOOP);
glVertex3f(B1X, B1Y, 0.0);
glVertex3f(B2X, B1Y, 0.0);
glVertex3f(B2X, B2Y, 0.0);
glVertex3f(B1X, B2Y, 0.0);
glEnd();
glPopMatrix();
glutSwapBuffers();
}
void Keys (unsigned char key, int x, int y)
{
switch (key)
{
case 'w':
TX += 0.7;
T1X += 0.7;
T2X += 0.7;
break;
case 's':
TX -= 0.7;
T1X -= 0.7;
T2X -= 0.7;
break;
case 'd':
DX += 0.7;
D1X += 0.7;
D2X += 0.7;
break;
case 'a':
DX -= 0.7;
D1X -= 0.7;
D2X -= 0.7;
break;
}
}
void ResizeWindow(int w, int h)
{
float ratio = 1.0 * w / h;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glViewport(0,0,w,h);
gluPerspective(50.0, ratio, 1, 1000);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(
0.0, 00.0, 65.0, //camera position
0.0, 0.0, 0.0, // where the camera is looking
0.0, 1.0, 0.0); //direction of up
}
void main(int argc, char **argv)
{
//OpenGL Setup
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA);
//setup drawing window
glutInitWindowPosition(0,0);
glutInitWindowSize(500,500);
glutCreateWindow("One Player Pong");
//Resize objects in the OpenGL window
glutReshapeFunc(ResizeWindow);
glutDisplayFunc(GameScene);
glutIdleFunc(GameScene);
//*Let there be light! */
//glEnable (GL_LIGHT0);
//glEnable (GL_LIGHTING);
//gl
glEnable(GL_DEPTH_TEST);
//Starts OpenGL
glutKeyboardFunc(Keys);
glutMainLoop();
}
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