1 files changed, 14 insertions, 5 deletions
diff --git a/public/bluebey-studio/src/face.js b/public/bluebey-studio/src/face.js
index e3063f2..f2440d3 100644
--- a/public/bluebey-studio/src/face.js
+++ b/public/bluebey-studio/src/face.js
@@ -1,6 +1,12 @@
 import * as THREE from 'three';
 import { drawEyes, drawMouth, drawHeadCoverWrap, canvasLayout } from './faceArt.js';
 
+// The hair plate's texture is drawn at this multiple of the plate's natural UV
+// size. The hairline crosses the head over only a fraction of that height, so at
+// 1x its edge comes out visibly jagged; doubling it (with the finer curve
+// subdivision in `drawHeadCoverWrap`) keeps the edge smooth.
+const HAIR_SCALE = 2;
+
 /**
  * Owns the two procedural textures (eyes and mouth) and keeps them in sync with
  * the face parameters.
@@ -48,7 +54,7 @@ export class Face {
     this.beardImages = {};
     this.eyeCanvas = makeCanvas(this.eyeLayout);
     this.mouthCanvas = makeCanvas(this.mouthLayout);
-    this.hairCanvas = this.hairLayout ? makeCanvas(this.hairLayout) : null;
+    this.hairCanvas = this.hairLayout ? makeCanvas(this.hairLayout, HAIR_SCALE) : null;
     this.eyeCtx = this.eyeCanvas.getContext('2d');
     this.mouthCtx = this.mouthCanvas.getContext('2d');
     this.hairCtx = this.hairCanvas ? this.hairCanvas.getContext('2d') : null;
@@ -264,10 +270,13 @@ export class Face {
       this.hairMesh.renderOrder = p.eyes.headMark?.overEyes === false ? 0 : 3;
       const layout = this.hairLayout;
       const ctx = this.hairCtx;
-      ctx.clearRect(0, 0, layout.width, layout.height);
+      ctx.setTransform(1, 0, 0, 1, 0, 0);
+      ctx.clearRect(0, 0, layout.width * HAIR_SCALE, layout.height * HAIR_SCALE);
+      ctx.scale(HAIR_SCALE, HAIR_SCALE);
       // `drawHeadCoverWrap` works in canvas coordinates (its x axis is the UV
       // angle already normalised), so it is not shifted by the window offset.
       drawHeadCoverWrap(ctx, p.eyes.headMark ?? {}, layout);
+      ctx.setTransform(1, 0, 0, 1, 0, 0);
       this.hairTexture.needsUpdate = true;
     }
 
@@ -275,10 +284,10 @@ export class Face {
   }
 }
 
-function makeCanvas({ width, height }) {
+function makeCanvas({ width, height }, scale = 1) {
   const canvas = document.createElement('canvas');
-  canvas.width = width;
-  canvas.height = height;
+  canvas.width = Math.round(width * scale);
+  canvas.height = Math.round(height * scale);
   return canvas;
 }