Engine: Add early Sprite management

src/main/scala/engine/objects/Sprite.scala

+package Engine.Objects
+
+import Engine.Components.{Component, Renderer}
+
+import SFML.Graphics.{FloatRect, IntRect, RenderWindow, Sprite, Texture}
+import SFML.System.{Vector2i, Vector2f, vectorIntToFloat}
+
+class Sprite(texture: Texture) extends Renderer:
+    private val sprite = SFML.Graphics.Sprite(texture)
+    private var _bounds = FloatRect()
+
+    var rect: Option[Vector2i] = None
+
+    def bounds = _bounds
+
+    def draw(window: RenderWindow) =
+        _bounds := sprite.getGlobalBounds()
+
+        if (rect.isDefined) then
+            sprite.setTextureRect(IntRect(Vector2i(0, 0), rect.get))
+
+        sprite.setPosition(gameObject.pos)
+        sprite.setScale(Vector2f(gameObject.scale, gameObject.scale))
+        sprite.setColor(color)
+        window.draw(sprite)