Pixel-Composer/scripts/node_fn_wiggler/node_fn_wiggler.gml

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function Node_Wiggler(_x, _y, _group = noone) : Node_Fn(_x, _y, _group) constructor {
name = "Wiggler";
inputs[| inl + 0] = nodeValue("Range", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0, 1 ])
.setDisplay(VALUE_DISPLAY.vector);
inputs[| inl + 1] = nodeValue("Frequency", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 4 )
.setDisplay(VALUE_DISPLAY.slider, { range: [1, 32, 0.1] });
inputs[| inl + 2] = nodeValue("Seed", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, seed_random(6))
.setDisplay(VALUE_DISPLAY._default, { side_button : button(function() { randomize(); inputs[| inl + 2].setValue(seed_random(6)); }).setIcon(THEME.icon_random, 0, COLORS._main_icon) });
inputs[| inl + 3] = nodeValue("Clip", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0b11 )
.setDisplay(VALUE_DISPLAY.toggle, { data : [ "Start", "End" ] });
array_append(input_display_list, [
["Wiggle", false], inl + 2, inl + 0, inl + 1, inl + 3,
]);
range_min = 0;
range_max = 0;
wiggle_seed = 0;
wiggle_freq = 1;
clip_start = true;
clip_end = true;
static __fnEval = function(_x = 0) {
var _ed = TOTAL_FRAMES;
_x *= _ed;
var sdMin = floor(_x / wiggle_freq) * wiggle_freq;
var sdMax = min(_ed, sdMin + wiggle_freq);
var _x0 = (clip_start && sdMin <= 0)? 0.5 : random1D(PROJECT.seed + wiggle_seed + sdMin);
var _x1 = (clip_end && sdMax >= _ed)? 0.5 : random1D(PROJECT.seed + wiggle_seed + sdMax);
var t = (_x - sdMin) / (sdMax - sdMin);
t = -(cos(pi * t) - 1) / 2;
var _lrp = lerp(_x0, _x1, t);
return lerp(range_min, range_max, _lrp);
}
static processData = function(_output, _data, _output_index, _array_index = 0) {
var ran = _data[inl + 0];
range_min = array_safe_get_fast(ran, 0);
range_max = array_safe_get_fast(ran, 1);
var fre = _data[inl + 1];
wiggle_freq = fre == 0? 1 : max(1, TOTAL_FRAMES / fre);
wiggle_seed = _data[inl + 2];
var clp = _data[inl + 3];
clip_start = bool(clp & 0b01);
clip_end = bool(clp & 0b10);
var val = __fnEval(CURRENT_FRAME / TOTAL_FRAMES);
text_display = val;
return val;
}
}