diff --git a/src/entity.odin b/src/entity.odin
new file mode 100644
index 0000000..f5f9eb2
--- /dev/null
+++ b/src/entity.odin
@@ -0,0 +1,36 @@
+package game
+
+import rl "vendor:raylib"
+
+// ------------------------------------------------------------------------------
+// Generic base structure shared by all world objects.
+// Fields are populated selectively based on entity type.
+// ------------------------------------------------------------------------------
+
+Entity_Type :: enum {
+    Player,
+    Enemy,
+    Ball,
+}
+
+Shape_Type :: enum {
+    Rectangle,
+    Circle,
+}
+
+Entity :: struct {
+    type:       Entity_Type,
+    active:     bool,
+    pos:        rl.Vector2,
+    shape:      Shape_Type,
+    // width / height or diameter / diameter
+    size:       rl.Vector2,
+	// Fixed input speed (paddles)
+    speed:      f32,        
+	// 2D momentum & direction (ball / physics)
+    vel:        rl.Vector2,    
+}
+
+// ------------------------------------------------------------------------------
+// TODO: Entity Dispatchers
+// ------------------------------------------------------------------------------
diff --git a/src/entity_ball.odin b/src/entity_ball.odin
new file mode 100644
index 0000000..7188da2
--- /dev/null
+++ b/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)
+}
diff --git a/src/entity_enemy.odin b/src/entity_enemy.odin
new file mode 100644
index 0000000..9738809
--- /dev/null
+++ b/src/entity_enemy.odin
@@ -0,0 +1,18 @@
+package game
+
+import rl "vendor:raylib"
+
+init_enemy :: proc() -> Entity {
+	return Entity{
+		type   = .Enemy,
+		active = true,
+		pos	   = rl.Vector2{0,0},
+		speed = 800,
+		shape  = .Rectangle,
+		size = rl.Vector2{30, 150}
+	}	
+}
+
+render_enemy :: proc(enemy: Entity, field_bounds: rl.Rectangle) { 
+	rl.DrawRectangleV(enemy.pos, enemy.size, rl.BLACK)
+}
diff --git a/src/entity_player.odin b/src/entity_player.odin
new file mode 100644
index 0000000..3a3117e
--- /dev/null
+++ b/src/entity_player.odin
@@ -0,0 +1,32 @@
+package game
+
+import "core:math"
+import rl "vendor:raylib"
+
+init_player :: proc() -> Entity {
+	return Entity{
+		type   = .Player,
+		active = true,
+		pos	   = rl.Vector2{0,0},
+		speed = 800,
+		shape  = .Rectangle,
+		size = rl.Vector2{30, 150}
+	}	
+}
+
+
+update_player :: proc(player: ^Entity, input: Input_Event, bounds: rl.Rectangle, dt: f32,) {
+    // move direction is captured and calculated + normalized from input manager
+    // Apply Movement (Frame-rate independent)
+    player.pos.y += input.move_dir.y * player.speed * dt
+
+    // 3. Clamp Position within Field Bounds
+    min_y := bounds.y + 3 // Padding offset inside border
+    max_y := bounds.y + bounds.height - player.size.y - 3
+
+    player.pos.y = math.clamp(player.pos.y, min_y, max_y)
+}
+
+render_player :: proc(player: Entity, field_bounds: rl.Rectangle) { 
+	rl.DrawRectangleV(player.pos, player.size, rl.BLACK)
+}
\ No newline at end of file