Pixel-Composer/scripts/node_path_wave/node_path_wave.gml
2023-10-29 12:29:10 +07:00

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function Node_Path_Wave(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Wave Path";
previewable = false;
w = 96;
inputs[| 0] = nodeValue("Path", self, JUNCTION_CONNECT.input, VALUE_TYPE.pathnode, noone)
.setVisible(true, true);
inputs[| 1] = nodeValue("Frequency", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 4);
inputs[| 2] = nodeValue("Size", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 4);
inputs[| 3] = nodeValue("Shift", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0);
inputs[| 4] = nodeValue("Smooth", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
outputs[| 0] = nodeValue("Path", self, JUNCTION_CONNECT.output, VALUE_TYPE.pathnode, self);
input_display_list = [
["Path", true], 0,
["Wave", false], 1, 2, 3, 4,
]
static getLineCount = function() {
var _path = getInputData(0);
return struct_has(_path, "getLineCount")? _path.getLineCount() : 1;
}
static getSegmentCount = function(ind = 0) {
var _path = getInputData(0);
return struct_has(_path, "getSegmentCount")? _path.getSegmentCount(ind) : 0;
}
static getLength = function(ind = 0) {
var _path = getInputData(0);
var _fre = getInputData(1); _fre = max(1, abs(_fre));
var _amo = getInputData(2);
var _len = struct_has(_path, "getLength")? _path.getLength(ind) : 0;
_len *= _fre * sqrt(_amo + 1 / _fre);
return _len;
}
static getAccuLength = function(ind = 0) {
var _path = getInputData(0);
var _fre = getInputData(1); _fre = max(1, abs(_fre));
var _amo = getInputData(2);
var _len = struct_has(_path, "getAccuLength")? _path.getAccuLength(ind) : [];
var _mul = _fre * sqrt(_amo + 1 / _fre);
for( var i = 0, n = array_length(_len); i < n; i++ )
_len[i] *= _mul;
return _len;
}
static getPointRatio = function(_rat, ind = 0, out = undefined) {
if(out == undefined) out = new __vec2(); else { out.x = 0; out.y = 0; }
var _path = getInputData(0);
var _fre = getInputData(1); _fre = max(0.01, abs(_fre));
var _amo = getInputData(2);
var _shf = getInputData(3);
var _smt = getInputData(4);
if(is_array(_path)) {
_path = array_safe_get(_path, ind);
ind = 0;
}
if(!is_struct(_path) || !struct_has(_path, "getPointRatio"))
return out;
var _p0 = _path.getPointRatio(clamp(_rat - 0.001, 0, 0.999999), ind);
var _p = _path.getPointRatio(_rat, ind).clone();
var _p1 = _path.getPointRatio(clamp(_rat + 0.001, 0, 0.999999), ind);
var dir = point_direction(_p0.x, _p0.y, _p1.x, _p1.y) + 90;
var prg;
if(_smt) prg = cos((_shf + _rat * _fre) * pi * 2);
else prg = (abs(frac(_shf + _rat * _fre) * 2 - 1) - 0.5) * 2;
out.x = _p.x + lengthdir_x(prg * _amo, dir);
out.y = _p.y + lengthdir_y(prg * _amo, dir);
return out;
}
static getPointDistance = function(_dist, ind = 0, out = undefined) { return getPointRatio(_dist / getLength(), ind, out); }
static getBoundary = function(ind = 0) {
var _path = getInputData(0);
return struct_has(_path, "getBoundary")? _path.getBoundary(ind) : new BoundingBox( 0, 0, 1, 1 );
}
static update = function() {
outputs[| 0].setValue(self);
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(s_node_path_wave, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
}
}