add scrolling text and change ui layout

scrolling_text.py

@@ -0,0 +1,78 @@
+import pyray as pr
+
+
+class ScrollingText:
+    def __init__(
+        self,
+        text: str,
+        font_size: int,
+        speed: float = 40.0,  # pixels per second
+        pause_time: float = 1.0,  # seconds before scrolling
+        color=pr.WHITE,
+    ):
+        self.font_size = font_size
+        self.speed = speed
+        self.pause_time = pause_time
+        self.color = color
+        self.text = None
+        self.set_text(text)
+        
+
+    def set_text(self, text: str):
+        if text == self.text:
+            return
+        self.text = text
+        self.text_width = pr.measure_text(self.text, self.font_size)
+        self.reset()
+
+    def reset(self):
+        self.offset = 0.0
+        self.timer = 0.0
+        self.scrolling = False
+
+    def update(self, dt: float, size: pr.Vector2):
+        if self.text_width <= size.x:
+            return
+
+        self.timer += dt
+
+        if not self.scrolling:
+            if self.timer >= self.pause_time:
+                self.scrolling = True
+                self.timer = 0.0
+        else:
+            self.offset += self.speed * dt
+
+            if self.offset >= self.text_width + 20:
+                self.reset()
+
+    def draw(self, pos: pr.Vector2, size: pr.Vector2):
+        clip = pr.Rectangle(pos.x, pos.y, size.x, size.y)
+        pr.begin_scissor_mode(
+            int(clip.x),
+            int(clip.y),
+            int(clip.width),
+            int(clip.height),
+        )
+
+        y = pos.y + (size.y - self.font_size) / 2
+
+        pr.draw_text(
+            self.text,
+            int(pos.x - self.offset),
+            int(y),
+            self.font_size,
+            self.color,
+        )
+
+        # Second copy for seamless loop
+        if self.text_width > size.x:
+            pr.draw_text(
+                self.text,
+                int(pos.x - self.offset + self.text_width + 20),
+                int(y),
+                self.font_size,
+                self.color,
+            )
+
+        pr.end_scissor_mode()