feat: cactus class for drawing, updating and spawning the cacti on the desert

src/Cactus.cpp

@@ -0,0 +1,22 @@
+#include "Cactus.hpp"
+
+Cactus::Cactus(Texture2D texture, float x) : texture(texture) {
+    rect = {static_cast<float>(x), static_cast<float>(300 - texture.height),
+        static_cast<float>(texture.width), static_cast<float>(texture.height)};
+}
+
+void Cactus::Update() {
+    rect.x -= SPEED;
+}
+
+void Cactus::Draw() {
+    DrawTexture(texture, rect.x, rect.y, WHITE);
+}
+
+bool Cactus::IsOffScreen() {
+    return rect.x + rect.width < 0;
+}
+
+Rectangle Cactus::GetRect() {
+    return rect;
+}