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Capter1/ball.cpp

@@ -1,15 +1,28 @@
 #include "ball.hpp"
+#include <algorithm>
+#include <ranges>
 #include <iostream>
 
+inline int clamp_int(int v, int lo, int hi) {
+    if (v < lo) return lo;
+    if (v > hi) return hi;
+    return v;
+}
+
+
 ball::ball()
 {
     std::cout << "Ball erzeugt!"<< std::endl;
 
+    r_dir = 0;
+    g_dir = -1;
+    b_dir = 1;
+
     x = 50;
     y = 50;
 
     rect = {20,20,20,20};
-    color = {0,255,0,255};
+    color = {255,0,0,255};
 }
 
 ball::~ball()
@@ -28,3 +41,37 @@ void ball::Draw(SDL_Renderer* renderer){
     SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.a);
     SDL_RenderFillRect(renderer, &rect);
 }
+
+void ball::Update(){
+    color.r += r_dir;
+    color.g += g_dir;
+    color.b += b_dir;
+
+    //=================ColorCycle======================
+    // Clamp values between 1 and 254
+    color.g = clamp_int(color.g, 1, 254);
+    color.b = clamp_int(color.b, 1, 254);
+    color.r = clamp_int(color.r, 1, 254);
+
+    // Transition logic
+    if (r_dir != 0 && (color.r == 254 || color.r == 1)) {
+        r_dir = 0;
+        g_dir = (color.r == 254) ? 1 : -1;
+        b_dir = 0;
+    } 
+    else if (g_dir != 0 && (color.g == 254 || color.g == 1)) {
+        g_dir = 0;
+        b_dir = (color.g == 254) ? 1 : -1;
+        r_dir = (color.g == 254) ? -1 : 1;
+    } 
+    else if (b_dir != 0 && (color.b == 254 || color.b == 1)) {
+        b_dir = 0;
+        r_dir = 0;
+        g_dir = (color.b == 254) ? -1 : 1;
+    }
+
+    //=================Movement======================
+    x+=10.0;
+    y+=10.0;
+
+}