Function getPatternTexture

src/utils/nodePatterns.ts:90–103

(type: NodeType)

/** Canvas texture for 3D sphere materials */
export function getPatternTexture(type: NodeType): THREE.CanvasTexture {
  if (textureCache.has(type)) return textureCache.get(type)!;

  const canvas = document.createElement('canvas');
  canvas.width = SIZE;
  canvas.height = SIZE;
  drawPattern(canvas.getContext('2d')!, type);

  const texture = new THREE.CanvasTexture(canvas);
  texture.wrapS = THREE.RepeatWrapping;
  texture.wrapT = THREE.RepeatWrapping;
  textureCache.set(type, texture);
  return texture;
}

/** CSS inline styles for 2D HTML swatches (legend, context menu) */
export const PATTERN_CSS: Record<NodeType, CSSProperties> = {