added input .c

src/input.c

@@ -0,0 +1,72 @@
+#include<stdio.h>
+#include<ctype.h>
+#include<stdlib.h>
+#include<unistd.h>
+#include<fcntl.h>
+#include<termios.h>
+int kbhit(void);
+char getch(void);
+
+
+/*int main(int argc, char ** argv){
+  while(1){
+    getInput();
+  }
+  
+}*/
+
+void getInput(){
+  if(kbhit()){
+    char key= getch();
+    if(key=='w'){
+      printf("W");
+    }
+    else if(key=='a'){
+      printf("A");
+    }
+    else if(key=='s'){
+      printf("S");
+    }
+    else if(key=='d'){
+      printf("D");
+    }
+  }
+}
+
+
+//khbit und getch aus dem Internet
+int kbhit(void){
+  struct termios oldt, newt;
+  int ch;
+  int oldf;
+
+  tcgetattr(STDIN_FILENO, &oldt);
+  newt = oldt;
+  newt.c_lflag &= ~(ICANON | ECHO);
+  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
+  oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
+  fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);
+
+  ch = getchar();
+
+  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
+  fcntl(STDIN_FILENO, F_SETFL, oldf);
+
+  if(ch != EOF)
+  {
+    ungetc(ch, stdin);
+    return 1;
+  }
+
+  return 0;
+}
+
+char getch(void)
+{
+    char c;
+    system("stty raw");
+    c= getchar();
+    system("stty sane");
+    return(c);
+}
+