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visualizer: ellipse is now closer to circular and the colors change faster

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This commit is contained in:
Darby Payne
2014-10-23 02:45:16 -07:00
committed by Andrzej Rybczak
parent e9641d34b1
commit f90049ff07
1 changed files with 2 additions and 2 deletions
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4
src/visualizer.cpp
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@@ -225,13 +225,13 @@ void Visualizer::DrawSoundWaveFillStereo(int16_t *buf_left, int16_t *buf_right,
void Visualizer::DrawSoundEllipseStereo(int16_t *buf_left, int16_t *buf_right, ssize_t samples, size_t height) void Visualizer::DrawSoundEllipseStereo(int16_t *buf_left, int16_t *buf_right, ssize_t samples, size_t height)
{ {
const long width = w.getWidth()/2; const long width = w.getWidth()/2;
const long scaledRadius = std::max(pow(width,2), pow(height,2))/Config.visualizer_colors.size(); const long scaledRadius = std::max(pow(width,2), pow(height,2))/pow(Config.visualizer_colors.size(),2);
for (size_t i = 0; i < samples; ++i) for (size_t i = 0; i < samples; ++i)
{ {
long x = width + ((double) buf_left[i] * 2 * ((double)width / 65536.0)); long x = width + ((double) buf_left[i] * 2 * ((double)width / 65536.0));
long y = height + ((double) buf_right[i] * 2 * ((double)height / 65536.0)); long y = height + ((double) buf_right[i] * 2 * ((double)height / 65536.0));
w << toColor(pow(x - width, 2) + pow(y - ((long)height),2), scaledRadius) w << toColor(pow((x - width)*1, 2) + pow((y - ((long)height)) * 2,2), scaledRadius)
<< NC::XY(x, y) << NC::XY(x, y)
<< Config.visualizer_chars[1] << Config.visualizer_chars[1]
<< NC::Color::End; << NC::Color::End;