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meetjatin88

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  1. [source lang="cpp"]#include <stdio.h> #include <ctype.h> #include <stdlib.h> #include<conio.h> #include<iostream> struct list { int data; struct list *next; }*L; //function declaration: void create(int data,struct list **head); void print(struct list **head); int main() { //list *L; int data =10; for(int i=0;i<3;i++) { //struct list *pList = NULL; create(data++,&L); print(&L); getch(); } } void create(int data,list **head) { list *pNew = new list; if (*head==NULL) { (*head)->next=NULL; (*head)->data=data; //(**head).data=info; //pNew->data =data; //pNew->next=*head; } else { pNew =*head; while(pNew!=NULL) { //*head=(**head).next; pNew=pNew->next; } list *temp =new list; temp->data=data; temp->next=NULL; pNew->next =temp; //(**head).next=(**head).next; } //return 0; } void print(list **head) { list *temp1 = new list; temp1 =*head; while( temp1!=NULL ) { std::cout<< temp1->data<<" ";// show the data in the linked list temp1 = temp1->next; // tranfer the address of 'temp1->next' to 'temp1' } } [/source] Hello Guys, I am a bit rusty on pointers,i actually want to implement linked list ,but my compiler is giving error. i am getting run time error at line (head)->next=NULL; (head)->data=data; Would be great if someone can review the short snippet code and point my mistake. Any other suggestions are always welcome. Please note that i have also tried using (**head).data=data; but then also i am still getting runtime error . i am not sure how to proceeed next.
  2. Hi MaxFire, Thanks for the Information but i have already have a look at them and these things are not there.,but i gained all of knowledge from there. Can you please suggest some other good SDL programming sites esp related having motion and collision examples. Thanks Jatin
  3. Hi Guys, I am stuck again and need you help on two issues,if some one know any thing about these two things please reply 1)I want to create a negative of an image if say the user enter key 'N'.Now i know the logic of creating an negative ie find RGB value of each pixel on the screen,then subtract the indiviual RGB value from 255 to get the new value.However i do not know how can we take RGB value from each pixel and then write them back on screen.Have anyone tried something like this or do someone have a better idea.Please some reference code if some one has tried anything like this. 2)I am trying to create a camera in SDL by using SDL_rect and then positioning it in the screen by giving some offsets,but what i really want to achieve is that i have created an animation and i would like my camera to move along with it.I mean if my animation is moving to the right ,it should feel like camera is following him.But i am unable to achieve this result.Have anyone tried to emulate a camera in SDL before and if yes assist me.
  4. Hi All, I have a doubt regarding SDL programming. Can some one please help me how can i subdivide a Image lets say into 4 parts and then store them in SDL_Surface array. I intend to animate later using these subdivided images by using SDL_BlitSurface function. I am new to SDL,so it would be great if someone could provide some codes for reference. Please note that i am using Microsoft visual c++ 2010 compiler.. Thanks Jatin
  5. Hi Cornstalk, Thanks for the information and more importantly correcting me about how to post effectively on Game dev,Well it was my first post and i think one mistake is fine..But will take care next time. Hi BeerNutts, Using khbit have solve my problem.Thanks a lot...Cheers @ ALL Can i ask one more doubt regarding this program here only or should i start a new thread. Actually i also want to include a timer in my program..to keep a track of how many correct random alphabets the user enters in say 60 secs.. I can you a variable and assign it value 60.and then decrease it by 1,but how to make sure that after exactly one sec it would get displayed in the screen. i.e i need to display the counter exactly after 1 sec and this should not affect my other program functioanality .Is this possible, there must be a solution.Guys please provide some pointers/suggestions regarding the same. Thanks Jatin
  6. Hi, Actually i was not sure whether i should post this in beginner or game programming thread. That why posted there also.
  7. Hi Everyone, I am Actually trying to make a simple C++ game in which some random alphabets will fall down and when we press one of those random alphabets keys the aphabet should disappear. The problem that i am facing in making this code is that when i am using some function to read the key input that causes my program to wait for the user's input and hence my program comes to a stop till i press some key. I want some logic/function which will stop the execution of my program. Can you please suggest any such function or some logic that i can use in this program. Please note my compiler is Microsoft Visual C++ 2010 and i am not that familiar with the functions in windows.h header file. Thanks in advance. Any pointers would be greatly appreciated. My program is somewhat like this /*Including Header Files*/ #define _CRT_SECURE_NO_DEPRECATE # include <iostream> # include <conio.h> # include <Windows.h> int i=0,y=1; char words[5]; int pos[5]; char c; void gotoxy(int x,int y); void Movement(); int readkey(void); void random() { int n; for (int t=0;t<5;++t) { n= rand() % 26; pos[t] = n % 2; words[t] = (char)(n+65); } } void main() { random(); for(y=0;y<10;y++) { for(i=0;i<5;++i) { gotoxy(3*i,pos[i]); printf("%c",words[i]); pos[i]=pos[i]+1; if(y>0) { gotoxy(3*i,pos[i]-2); printf("%c",' '); } } Sleep(1000); } getch(); } void gotoxy(int x,int y) { COORD coord; coord.X = x; coord.Y = y; SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord); } [img]index.php?app=core&module=task[/img]
  8. Hi Everyone, I am Actually trying to make a simple C++ game in which some random alphabets will fall down and when we press one of those random alphabets keys the aphabet should disappear. The problem that i am facing in making this code is that when i am using some function to read the key input that causes my program to wait for the user's input and hence my program comes to a stop till i press some key. I want some logic/function which will stop the execution of my program. Can you please suggest any such function or some logic that i can use in this program. Please note my compiler is Microsoft Visual C++ 2010 and i am not that familiar with the functions in windows.h header file. Thanks in advance. Any pointers would be greatly appreciated. My program is somewhat like this /*Including Header Files*/ #define _CRT_SECURE_NO_DEPRECATE # include <iostream> # include <conio.h> # include <Windows.h> int i=0,y=1; char words[5]; int pos[5]; char c; void gotoxy(int x,int y); void Movement(); int readkey(void); void random() { int n; for (int t=0;t<5;++t) { n= rand() % 26; pos[t] = n % 2; words[t] = (char)(n+65); } } void main() { random(); for(y=0;y<10;y++) { for(i=0;i<5;++i) { gotoxy(3*i,pos[i]); printf("%c",words[i]); pos[i]=pos[i]+1; if(y>0) { gotoxy(3*i,pos[i]-2); printf("%c",' '); } } Sleep(1000); } getch(); } void gotoxy(int x,int y) { COORD coord; coord.X = x; coord.Y = y; SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord); }