text align

canvas.ts

@@ -81,6 +81,7 @@ export class Doodler {
   }
 
   protected draw() {
+    this.ctx.clearRect(0, 0, this.width, this.height);
     this.ctx.fillStyle = this.bg;
     this.ctx.fillRect(0, 0, this.width, this.height);
     // for (const d of this.draggables.filter(d => d.beingDragged)) {
@@ -245,6 +246,10 @@ export class Doodler {
     this.ctx.strokeText(text, pos.x, pos.y, maxWidth);
   }
 
+  clearRect(at: Vector, width: number, height: number) {
+    this.ctx.clearRect(at.x, at.y, width, height);
+  }
+
   // Interaction
 
   mouseX = 0;
@@ -409,6 +414,15 @@ interface IStyle {
 
   noStroke?: boolean;
   noFill?: boolean;
+
+  textAlign?: "center" | "end" | "left" | "right" | "start";
+  textBaseline?:
+    | "alphabetic"
+    | "top"
+    | "hanging"
+    | "middle"
+    | "ideographic"
+    | "bottom";
 }
 
 interface IDrawable {