added drawRotated

2023-02-07 11:53:18 -07:00
parent c24bd45718
commit 2dbaeb57b9
3 changed files with 31 additions and 0 deletions
--- a/canvas.ts
+++ b/canvas.ts
@@ -163,6 +163,15 @@ export class Doodler {
    this.ctx.stroke();
  }

+  drawRotated(origin: Vector, angle: number, cb: () => void){
+    this.ctx.save();
+    this.ctx.translate(origin.x, origin.y);
+    this.ctx.rotate(angle);
+    this.ctx.translate(-origin.x, -origin.y);
+    cb();
+    this.ctx.restore();
+  }
+
  setStyle(style?: IStyle) {
    const ctx = this.ctx;
    ctx.fillStyle = style?.color || style?.fillColor || 'black';