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Diffstat (limited to 'app/client/audio/lib/draw.js')
| -rw-r--r-- | app/client/audio/lib/draw.js | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/app/client/audio/lib/draw.js b/app/client/audio/lib/draw.js index e523b6a..d4bb817 100644 --- a/app/client/audio/lib/draw.js +++ b/app/client/audio/lib/draw.js @@ -1,6 +1,11 @@ +import util from '../../util' + const scratch = document.createElement('canvas') const scratchCtx = scratch.getContext('2d-lodpi') +const w = 256 +const h = 256 + export function spectrum(spec, x0, y0, ww, hh){ const data = spec.data const fft_size = spec.fft_size @@ -103,8 +108,8 @@ export function raw_spectrum(spec, x0, y0, ww, hh, def_min_r, def_min_i){ imag = col[v+1] mean_r += real mean_i += imag - _r = clamp((real - min_r) / delta_r * 255, 0, 255) - _i = clamp((imag - min_i) / delta_i * 255, 0, 255) + _r = util.clamp((real - min_r) / delta_r * 255, 0, 255) + _i = util.clamp((imag - min_i) / delta_i * 255, 0, 255) // hsl = color.hsl2rgb((_i + 1) / 2, 1.0, 1 - Math.abs(_r / 10)) pixels[u+0] = _r |