Moved and renamed entities.

src/entity_ball.odin

@@ -0,0 +1,33 @@
+package game
+
+import rl "vendor:raylib"
+
+init_ball :: proc() -> Entity {
+	ball_radius: f32 = 25
+
+	return Entity{
+		type   = .Ball,
+		active = true,
+		pos	   = rl.Vector2{(VIEWPORT_WIDTH / 2), (VIEWPORT_HEIGHT / 2) - (ball_radius / 2)},
+		vel    = rl.Vector2{400,0},
+		shape  = .Circle,
+		size = rl.Vector2{15, 15}
+	}	
+}
+
+update_ball :: proc(ball: ^Entity, field_bounds: rl.Rectangle, dt: f32) {
+	ball.pos += ball.vel * dt
+
+	if ball.pos.x >= (field_bounds.x + field_bounds.width) - ball.size.x {
+		ball.vel.x = -ball.vel.x
+	}
+
+	if ball.pos.x <= field_bounds.x + ball.size.x {
+		ball.vel.x = -ball.vel.x
+	}
+
+}
+
+render_ball :: proc(ball: Entity, field_bounds: rl.Rectangle) { 
+	rl.DrawCircleV(ball.pos, ball.size.x, rl.MAROON)
+}