sound-visualizer/lib/chunk-JBV6426I.mjs

## Description

import {
  defaultOptions
} from "./chunk-F6H7DK7K.mjs";
import {
  widthFromOption
} from "./chunk-CJAQWSZU.mjs";

// src/current/draw/impure.ts
function drawCurrentWave(canvas, audioData, options = defaultOptions) {
  const context = canvas.getContext("2d");
  if (!context)
    return;
  const { strokeColor = "#000", rectWidth = "default", heightNorm = 1 } = options;
  const { height, width } = canvas;
  const sliceWidth = width / audioData.length;
  context.lineWidth = widthFromOption(rectWidth, width);
  context.strokeStyle = strokeColor;
  context.clearRect(0, 0, width, height);
  context.beginPath();
  context.moveTo(0, height / 2);
  for (let i = 0; i < audioData.length; i++) {
    const x = i * sliceWidth;
    const fraction = audioData[i] / 255;
    const sectionSize = height * heightNorm;
    const y = fraction * sectionSize + (height - sectionSize) * 0.5;
    context.lineTo(x, y);
  }
  context.lineTo(sliceWidth * audioData.length, height / 2);
  context.stroke();
}

export {
  drawCurrentWave
};