Moved and renamed entities.

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
+// ------------------------------------------------------------------------------