Don't use canvas I guess

Scripts/pto.ts

@@ -1,20 +1,27 @@
-export interface IPlayset {
+export class Playset {
     name: string
     height: number
     width: number
 
-    cels: ICel[]
+    cels: Cel[]
     enabledSets: boolean[]
 }
 
-export interface ICel {
+export class Cel {
     defaultImage: string
     initialPositions: Coordinate[]
     offset: Coordinate
     sets: boolean[]
+
+    currentPositions: Coordinate[]
 }
 
 export class Coordinate {
     x: number
     y: number
+
+    constructor(x: number = 0, y: number = 0) {
+        this.x = x
+        this.y = y
+    }
 }