mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
46 lines
1.2 KiB
Plaintext
46 lines
1.2 KiB
Plaintext
function Node_FFT(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
|
|
name = "FFT";
|
|
|
|
w = 96;
|
|
h = 72;
|
|
min_h = h;
|
|
|
|
inputs[| 0] = nodeValue("Data", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [])
|
|
.setArrayDepth(1)
|
|
.setVisible(true, true);
|
|
|
|
inputs[| 1] = nodeValue("Preprocess Function", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
|
|
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "None", "Hann" ]);
|
|
|
|
outputs[| 0] = nodeValue("Array", self, JUNCTION_CONNECT.output, VALUE_TYPE.float, [])
|
|
.setArrayDepth(1);
|
|
|
|
static processData = function(_outSurf, _data, _output_index, _array_index) {
|
|
var _dat = _data[0];
|
|
var _pre = _data[1];
|
|
var _cmp = [];
|
|
|
|
var N = array_length(_dat);
|
|
|
|
for( var i = 0; i < N; i++ ) {
|
|
var val = _dat[i];
|
|
|
|
if(_pre == 1) val = 0.5 * (1 - cos(2 * pi * i / (N - 1)));
|
|
|
|
_cmp[i] = new Complex(val);
|
|
}
|
|
|
|
var _res = FFT(_cmp);
|
|
var _r = array_create(array_length(_res));
|
|
|
|
for( var i = 0, n = array_length(_res); i < n; i++ )
|
|
_r[i] = sqrt(sqr(_res[i].re) + sqr(_res[i].im));
|
|
|
|
return _r;
|
|
}
|
|
|
|
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
|
|
var bbox = drawGetBbox(xx, yy, _s);
|
|
draw_sprite_fit(s_node_FFT, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
|
|
}
|
|
} |