Pixel-Composer/scripts/node_audio_loudness/node_audio_loudness.gml
2024-08-08 11:57:51 +07:00

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function Node_Audio_Loudness(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Audio Loudness";
setDimension(96, 72);
inputs[0] = nodeValue_Float("Audio Data", self, [])
.setArrayDepth(1)
.setVisible(true, true);
outputs[0] = nodeValue_Output("Loudness", self, VALUE_TYPE.float, 0);
static processData = function(_outSurf, _data, _output_index, _array_index) {
var _dat = _data[0];
var N = array_length(_dat);
var val = 0;
if(N == 0) return 0;
for( var i = 0; i < N; i++ )
val += _dat[i] * _dat[i];
val = sqrt(val / N);
var dec = 10 * log10(val);
return dec;
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(s_node_audio_volume, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
}
}