online compiler and debugger for c/c++

/****************************************************************************** Author: Tran Thu Giang - 20224395 Purpose: Design a game and obstacles game using C++ and OpenGL *******************************************************************************/ #include <stdio.h> #include <gl/glut.h> #include <math.h> #include <string.h> #include <stdlib.h> GLfloat rotation = 90.0; float pos1X = -1, pos1Y = 0, pos1Z = 0, pos2X = +1, pos2Y = 0, pos2Z = 0, posBallx=-0.9, posBally=0.0, posBallz=0.1; float ob1x=0.2, ob1y=0.6, ob2x=-0.4, ob2y=0.3, ob3x=-0.5, ob3y=-0.7, ob4x=0.6, ob4y=-0.1; int flag=0, ob_flag=0, ob_flag1=0, ob_flag2=0, ob_flag3=0; void *currentfont; int dis_flag_start=0, dis_flag_inst=0, dis_game_end=0, win=0, stop=0; void start() { // Start line glPushMatrix(); glTranslatef(pos1X, pos1Y, pos1Z); glBegin(GL_POLYGON); glColor3f(1.0, 0.0, 0.0); glVertex2f(-0.05, -1); glVertex2f(-0.05, 1); glVertex2f(0.05, 1); glVertex2f(0.05, -1); glEnd(); glPopMatrix(); } void finish() { //Finish line glPushMatrix(); glTranslatef(pos2X, pos2Y, pos2Z); glBegin(GL_POLYGON); glColor3f(0.0, 1.0, 0.0); glVertex2f(0.05, 1); glVertex2f(0.05, -1); glVertex2f(-0.05, -1); glVertex2f(-0.05, 1); glEnd(); glPopMatrix(); } class button { int x1,y1,x2,y2; int state; char str[10]; public: button() { } button(int x11,int y11,int x22,int y22,char *str1) { x1=x11; y1=y11; x2=x22; y2=y22; state=1; strcpy(str,str1); } void draw(); void togglestate(); int insidebutton(int x, int y); }; void setFont(void *font) { currentfont=font; } void drawstring(float x,float y,char *string) { char *c; glRasterPos2f(x,y); for(c=string;*c!='\0';c++) { glColor3f(1.0,1.0,1.0); glutBitmapCharacter(currentfont,*c); } } void button::draw() { setFont(GLUT_BITMAP_HELVETICA_18); glColor3f(1.0,1.0,1.0); drawstring(x1+10,y1+10,str); glColor3f(0.0,0.0,0.0); glBegin(GL_POLYGON); glVertex2f(x1,y1); glVertex2f(x2,y1); glVertex2f(x2,y2); glVertex2f(x1,y2); glEnd(); if(state==0) { glColor3f(0,0,0); glBegin(GL_LINES); glVertex2f(x1,y1); glVertex2f(x2,y1); glVertex2f(x2,y1); glVertex2f(x2,y2); glEnd(); } else if(state==1) { glColor3f(0,0,0); glBegin(GL_LINES); glVertex2f(x1,y1); glVertex2f(x1,y2); glVertex2f(x1,y2); glVertex2f(x2,y2); glEnd(); } } void button::togglestate(void) { state=(state==1)?0:1; } int button::insidebutton(int x,int y) { if(x>x1&&x<x2&&y>y1&&y<y2) return 1; else return 0; } button startGame(250, 400, 400, 450, "Start Game"); button instructions(250, 360, 400, 410, "Instructions"); button exitGame(250, 320, 400, 370, "Exit Game"); button backBtn(250, 140, 400, 190, "BACK"); button playAgain(250, 360, 400, 190, "PLAY AGAIN"); button quit(250, 320, 400, 150, "QUIT"); void text(char *menu, int x, int y) { int len; len = strlen(menu); glColor3f(1.0, 1.0, 1.0); glMatrixMode( GL_PROJECTION ); glPushMatrix(); glLoadIdentity(); gluOrtho2D( 0, 600, 0, 600 ); glMatrixMode( GL_MODELVIEW ); glPushMatrix(); glLoadIdentity(); glRasterPos2i(x, y); for ( int i = 0; i < len; ++i ) { glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, menu[i]); } glPopMatrix(); glMatrixMode( GL_PROJECTION ); glPopMatrix(); glMatrixMode( GL_MODELVIEW ); } void ball() { if(posBallx>=0.9) { dis_game_end=1; win=1; dis_flag_inst=0; dis_flag_start=0; stop=1; } else if(posBallx<=-0.9) posBallx=-0.9; else if(posBally>=1) posBally=0.9; else if(posBally<=-1) posBally=-0.9; else if(sqrt(pow(posBallx-ob1x, 2)+pow(posBally-ob1y, 2))-0.25 <= 0) { win=0; stop=1; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } else if(sqrt(pow(posBallx-ob2x, 2)+pow(posBally-ob2y, 2))-0.25 <= 0) { win=0; stop=1; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } else if(sqrt(pow(posBallx-ob3x, 2)+pow(posBally-ob3y, 2))-0.25 <= 0) { win=0; stop=1; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } else if(sqrt(pow(posBallx-ob4x, 2)+pow(posBally-ob4y, 2))-0.25 <= 0) { win=0; stop=1; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } glPushMatrix(); glTranslatef(posBallx, posBally, posBallz); glColor3f(1.0, 1.0, 1.0); glutSolidSphere(0.05, 100, 10); glPopMatrix(); } void obstacles() { glPushMatrix(); glTranslatef(ob1x, ob1y, 0.0); glColor3f(0.5, 1.0, 0.8); glutSolidSphere(0.2, 100, 10); glPopMatrix(); glPushMatrix(); glTranslatef(ob2x, ob2y, 0.0); glColor3f(1.0, 0.5, 0.5); glutSolidSphere(0.2, 100, 10); glPopMatrix(); glPushMatrix(); glTranslatef(ob3x, ob3y, 0.0); glColor3f(0.5, 1.0, 0.5); glutSolidSphere(0.2, 100, 10); glPopMatrix(); glPushMatrix(); glTranslatef(ob4x, ob4y, 0.0); glColor3f(0.5, 0.5, 0.5); glutSolidSphere(0.2, 100, 10); glPopMatrix(); } void display() { glClearColor(0,0,0,0.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); if(dis_flag_start==0 && dis_flag_inst==0 && dis_game_end==0) { text("SAVE THE BALL", 235, 520); startGame.draw(); instructions.draw(); exitGame.draw(); text("Start Game", 260, 410); text("Instructions", 260, 370); text("Exit Game", 260, 330); } if(dis_flag_inst==1 && dis_flag_start==0 && dis_game_end==0) { text("INSTRUCTIONS:", 235, 520); text("1. The ball needs to be taken from the Start line to the Finish line.", 50, 460); text("2. All the obstacles must be avoided by the ball or you lose.", 50, 420); text("3. To make the game interesting the controls have been reversed: ", 50, 380); text(" - Top Arrow key -> Ball moves Down", 70, 340); text(" - Down Arrow key -> Ball moves Up", 70, 300); text(" - Left Arrow key -> Ball moves Right", 70, 260); text(" - Right Arrow key -> Ball moves Left", 70, 220); backBtn.draw(); text("BACK", 260, 150); } if(dis_flag_start==1 && dis_flag_inst==0 && dis_game_end==0) { glLoadIdentity(); ball(); // Draws ball text("SAVE THE BALL", 250, 570); start(); // Draws start line text("START", 19, 5); finish(); //Draws finish line text("FINISH", 505, 5); obstacles(); // Draws obstacles } if(dis_game_end==1 && dis_flag_start==0 && dis_flag_inst==0) { if(win==1) { text("You WIN! :)", 235, 400); //playAgain.draw(); //text("Play Again", 260, 360); quit.draw(); text("Quit", 260, 320); } else { text("You LOSE! :(", 235, 400); //playAgain.draw(); //text("Play Again", 260, 360); quit.draw(); text("Quit", 260, 320); } } glFlush(); glutSwapBuffers(); //glutPostRedisplay(); } void reshape(int width, int heigth) { /* window ro reshape when made it bigger or smaller*/ glMatrixMode(GL_PROJECTION); glLoadIdentity(); //clip the windows so its shortest side is 2.0 if (width < heigth) { glOrtho(-2.0, 2.0, -2.0 * (GLfloat)heigth / (GLfloat)width, 2.0 * (GLfloat)heigth / (GLfloat)width, 2.0, 2.0); } else{ glOrtho(-2.0, 2.0, -2.0 * (GLfloat)width / (GLfloat)heigth, 2.0 * (GLfloat)width / (GLfloat)heigth,2.0 , 2.0); } // set viewport to use the entire new window glViewport(0, 0, width, heigth); } void init() { // set clear color to black glClearColor(0.0, 0.0, 0.0, 0.0); // set fill color to white glColor3f(1.0, 1.0, 1.0); //set up standard orthogonal view with clipping //box as cube of side 2 centered at origin //This is the default view and these statements could be removed glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluOrtho2D(-1.0, 1.0, -1.0, 1.0); } float move_unit = 0.1f; void keyboardown(int key, int x, int y) { switch (key) { case GLUT_KEY_UP: posBally-=move_unit; break; case GLUT_KEY_DOWN: posBally+=move_unit; break; case GLUT_KEY_LEFT: posBallx+=move_unit; break; case GLUT_KEY_RIGHT: posBallx-=move_unit; break; } glutPostRedisplay(); } void update(int value) { if(posBallx>-0.95 && stop==0) { posBallx -= 0.003f; } if(!ob_flag) { if(sqrt(pow(posBallx-ob1x, 2)+pow(posBally-ob1y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob1y-=0.01f; if(ob1y<-0.2) ob_flag=1; } else { if(sqrt(pow(posBallx-ob1x, 2)+pow(posBally-ob1y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob1y+=0.01f; if(ob1y>0.7) ob_flag=0; } if(!ob_flag1) { if(sqrt(pow(posBallx-ob2x, 2)+pow(posBally-ob2y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob2x-=0.01f; if(ob2x<-0.7) ob_flag1=1; } else { if(sqrt(pow(posBallx-ob2x, 2)+pow(posBally-ob2y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob2x+=0.01f; if(ob2x>-0.3) ob_flag1=0; } if(!ob_flag2) { if(sqrt(pow(posBallx-ob3x, 2)+pow(posBally-ob3y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob3x-=0.05f; if(ob3x<-0.7) ob_flag2=1; } else { if(sqrt(pow(posBallx-ob3x, 2)+pow(posBally-ob3y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob3x+=0.05f; if(ob3x>0.7) ob_flag2=0; } if(!ob_flag3) { if(sqrt(pow(posBallx-ob4x, 2)+pow(posBally-ob4y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob4y+=0.01f; if(ob4y>0.7) ob_flag3=1; } else { if(sqrt(pow(posBallx-ob4x, 2)+pow(posBally-ob4y, 2))-0.25 <= 0) { win=0; dis_game_end=1; dis_flag_inst=0; dis_flag_start=0; } ob4y-=0.01f; if(ob4y<-0.2) ob_flag3=0; } glutPostRedisplay(); //Tell GLUT that the display has changed //Tell GLUT to call update again in 25 milliseconds glutTimerFunc(15, update, 0); } void mouse(int btn, int state, int x, int y) { y=600-y; if(btn==GLUT_LEFT_BUTTON && state == GLUT_DOWN) { if(startGame.insidebutton(x,y)) { dis_flag_start=1; dis_flag_inst=0; dis_game_end=0; } if(instructions.insidebutton(x,y)) { dis_flag_inst=1; dis_flag_start=0; dis_game_end=0; } if(backBtn.insidebutton(x,y)) { dis_flag_start=0; dis_flag_inst=0; dis_game_end=0; } if(exitGame.insidebutton(x,y)) { exit(0); } if(playAgain.insidebutton(x,y)) { dis_game_end=0; win=0; stop=0; dis_flag_inst=0; dis_flag_start=1; posBallx=-0.9; posBally=0.0; } if(quit.insidebutton(x,y)) { exit(0); } } if(btn==GLUT_LEFT_BUTTON && state == GLUT_UP) { if(startGame.insidebutton(x,y)) { startGame.togglestate(); } if(instructions.insidebutton(x,y)) { instructions.togglestate(); } if(backBtn.insidebutton(x,y)) { backBtn.togglestate(); } if(exitGame.insidebutton(x,y)) { exitGame.togglestate(); } if(playAgain.insidebutton(x,y)) { playAgain.togglestate(); } if(quit.insidebutton(x,y)) { quit.togglestate(); } } glutPostRedisplay(); } int main(int argc, char** argv) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(600, 600); glutInitWindowPosition(0, 0); glutCreateWindow("Save the Ball"); glutDisplayFunc(display); init(); glutSpecialFunc(keyboardown); glutTimerFunc(25, update, 0); glutMouseFunc(mouse); glEnable(GL_DEPTH_TEST); glutMainLoop(); return 0; }