INNER CODE UNIT · Kotlin

onDraw

Ayush0Chaudhary/blurr · app/src/main/java/com/blurr/voice/AudioWaveView.kt:153

    override fun onDraw(canvas: Canvas) {
        super.onDraw(canvas)

        for (i in 0 until waveCount) {
            wavePaths[i].reset()
            wavePaths[i].moveTo(0f, height.toFloat())
            val waveMaxHeight = height * audioAmplitude * waveAmplitudeMultipliers[i]
            val currentJitter = (Random.nextFloat() - 0.5f) * waveMaxHeight * jitterAmount
            for (x in 0..width step 5) {
                val sineInput = (x * (Math.PI * 2 / width) * waveFrequencies[i]) + wavePhaseShifts[i]
                val sineOutput = (sin(sineInput) * 0.5f + 0.5f)
                val y = height - (waveMaxHeight * sineOutput) + currentJitter
                wavePaths[i].lineTo(x.toFloat(), y.toFloat())
            }
            wavePaths[i].lineTo(width.toFloat(), height.toFloat())
            wavePaths[i].close()
            canvas.drawPath(wavePaths[i], wavePaints[i])
        }

View source record →