Updated simple entity code.

src/game_entity.odin

@@ -2,10 +2,10 @@ package game
 
 import rl "vendor:raylib"
 
-/*
+// ------------------------------------------------------------------------------
-Entites are generic structures shared between enemies, environment items, player etc 
+// Generic base structure shared by all world objects.
-Anything here is intended to be used with any entity some optional and some required
+// Fields are populated selectively based on entity type.
-*/
+// ------------------------------------------------------------------------------
 
 Entity_Type :: enum {
     Player,
@@ -15,14 +15,22 @@ Entity_Type :: enum {
 
 Shape_Type :: enum {
     Rectangle,
-	Circle	
+    Circle,
 }
 
 Entity :: struct {
     type:       Entity_Type,
     active:     bool,
     pos:        rl.Vector2,
-    vel:    	rl.Vector2,
     shape:      Shape_Type,
     shape_size: rl.Vector2,
+
+	// Fixed input speed (paddles)
+    speed:      f32,        
+	// 2D momentum & direction (ball / physics)
+    vel:        rl.Vector2,    
 }
+
+// ------------------------------------------------------------------------------
+// TODO: Entity Dispatchers
+// ------------------------------------------------------------------------------

src/game_entity_ball.odin

@@ -0,0 +1,20 @@
+package game
+
+import rl "vendor:raylib"
+
+init_ball :: proc() -> Entity {
+	ball_radius: f32 = 25
+
+	return Entity{
+		type   = .Ball,
+		active = true,
+		pos	   = rl.Vector2{(WINDOW_WIDTH / 2), (WINDOW_HEIGHT / 2) - (ball_radius / 2)},
+		speed  = 900,
+		shape  = .Circle,
+		shape_size = rl.Vector2{25, 0}
+	}	
+}
+
+render_ball :: proc(ball: Entity, field_bounds: rl.Rectangle) { 
+	rl.DrawCircleV(ball.pos, ball.shape_size.x, rl.MAROON)
+}

src/game_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 = 900,
+		shape  = .Rectangle,
+		shape_size = rl.Vector2{50, 250}
+	}	
+}
+
+render_enemy :: proc(enemy: Entity, field_bounds: rl.Rectangle) { 
+	rl.DrawRectangleV(enemy.pos, enemy.shape_size, rl.BLACK)
+}

src/game_entity_player.odin

@@ -1,5 +1,6 @@
 package game
 
+import "core:math"
 import rl "vendor:raylib"
 
 init_player :: proc() -> Entity {
@@ -7,24 +8,34 @@ init_player :: proc() -> Entity {
 		type   = .Player,
 		active = true,
 		pos	   = rl.Vector2{0,0},
-		vel    = rl.Vector2{450,0},
+		speed = 900,
 		shape  = .Rectangle,
 		shape_size = rl.Vector2{50, 250}
 	}	
 }
 
-update_player :: proc(dt: f32, player: ^Entity) { 
+update_player :: proc(dt: f32, player: ^Entity, level: ^Level) {
-    // Input
+	bounds : rl.Rectangle = level.field_bounds
-    if rl.IsKeyDown(.W) do player.pos.y -= player.vel.x * dt
+
-    if rl.IsKeyDown(.S) do player.pos.y += player.vel.x * dt
+    // 1. Gather Directional Input
+    move_dir: f32 = 0
+    if rl.IsKeyDown(.W) || rl.IsKeyDown(.UP) {
+        move_dir -= 1.0
+    }
+    if rl.IsKeyDown(.S) || rl.IsKeyDown(.DOWN) {
+        move_dir += 1.0
     }
 
-render_player :: proc(player: Entity) { 
+    // 2. Apply Movement (Frame-rate independent)
-	rl.DrawRectangle(
+    player.pos.y += move_dir * player.speed * dt
-		i32(player.pos.x), 
+
-		i32(player.pos.y), 
+    // 3. Clamp Position within Field Bounds
-		i32(player.shape_size.x),
+    min_y := bounds.y + 3 // Padding offset inside border
-		i32(player.shape_size.y),
+    max_y := bounds.y + bounds.height - player.shape_size.y - 3
-		rl.BLACK
+
-	)
+    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.shape_size, rl.BLACK)
 }