add file

TextScroller/main.cpp

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+#include <iostream>
+#include <string>
+#include<unistd.h>               // for linux
+
+using namespace std;
+
+const string COLOR_ANSI = "\033[38;2;";
+int color[] = {255, 0, 0};
+//bool incDec[] = {false, true, true};
+int currentColor = 1;
+int colorIterator = 0;
+
+std::string updateColor() {
+    if (colorIterator >= 255) {
+        currentColor++;
+        colorIterator = 0;
+    }
+    if (currentColor > 2) {
+        currentColor = 0;
+    }
+    switch (currentColor) {
+        case 0:
+            if (color[0] < 255) {
+                color[0]++;
+            } 
+            if (color[1] > 0) {
+                color[1]--;
+            }
+            if (color[2] > 0) {
+                color[2]--;
+            }
+            break;
+        case 1:
+            if (color[0] > 0) {
+                color[0]--;
+            } 
+            if (color[1] < 255) {
+                color[1]++;
+            }
+            if (color[2] > 0) {
+                color[2]--;
+            }
+            break;
+        case 2:
+            if (color[0] > 0) {
+                color[0]--;
+            } 
+            if (color[1] > 0) {
+                color[1]--;
+            }
+            if (color[2] < 255) {
+                color[2]++;
+            }
+            break;
+        default:
+            break;
+            
+    }
+    
+    colorIterator++;
+    return COLOR_ANSI + std::to_string(color[0]) + ";" + std::to_string(color[1]) + ";" + std::to_string(color[2])+ "m";
+}
+
+
+int main() {
+    //printf("Hello World!\n");
+    std::system("clear");
+    string input = "Scrolling text in C++! ";
+    input += input;
+    input += input;
+    input += input;
+    string colorStr = "";
+    for (int i = 0;; ++i) {
+                //printf("\033[H");
+                //colorStr = updateColor();
+                //printf ("RGB: %u, %u, %u; colorIterator: %u; currentColor: %u\n", color[0], color[1], color[2], colorIterator, currentColor);
+                //printf("\n %d ", (i + 1));
+                for (int j = 0; j < input.size() - 1; ++j) {
+                    printf("%s%c", updateColor().c_str(), input.at(j));
+                    //updateColor();
+                }
+                cout << "\n";
+                //printf("%s %d %s\n", colorStr.c_str(), (i + 1), input.c_str());
+                
+                input = input.substr((input.size() - 1), input.size()) + input.substr(0, (input.size() - 1));
+                usleep(100000);
+                // Clear screen
+                //std::system("clear");
+    }
+    return 0;
+}