Pixel-Composer/scripts/node_path_sample/node_path_sample.gml
2025-01-16 10:39:54 +07:00

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function Node_Path_Sample(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Sample Path";
setDimension(96, 48);
newInput(0, nodeValue_PathNode("Path", self, noone))
.setVisible(true, true);
newInput(1, nodeValue_Float("Ratio", self, 0));
newInput(2, nodeValue_Enum_Scroll("Type", self, 0, [ "Loop", "Ping pong" ]));
newOutput(0, nodeValue_Output("Position", self, VALUE_TYPE.float, [ 0, 0 ]))
.setDisplay(VALUE_DISPLAY.vector);
newOutput(1, nodeValue_Output("Direction", self, VALUE_TYPE.float, 0));
newOutput(2, nodeValue_Output("Weight", self, VALUE_TYPE.float, 0));
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
var _path = getInputData(0);
if(_path && struct_has(_path, "drawOverlay")) _path.drawOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny);
var _pnt = outputs[0].getValue();
if(process_amount == 1) _pnt = [ _pnt ];
draw_set_color(COLORS._main_accent);
for( var i = 0, n = array_length(_pnt); i < n; i++ ) {
var _p = _pnt[i];
var _px = _x + _p[0] * _s;
var _py = _y + _p[1] * _s;
draw_circle(_px, _py, 4, false);
}
}
__temp_p = new __vec2P();
__temp_p0 = new __vec2P();
__temp_p1 = new __vec2P();
static processData = function(_output, _data, _output_index, _array_index = 0) {
var _path = _data[0];
var _rat = _data[1];
var _mod = _data[2];
if(_path == noone) return _output;
if(!struct_has(_path, "getPointRatio")) return _output;
if(!is_real(_rat)) return _output;
var inv = false;
switch(_mod) {
case 0 : _rat = frac(_rat); break;
case 1 :
var fl = floor(_rat);
var fr = frac(_rat);
if(fl % 2 == 1 && fr != 0) {
fr = 1 - fr;
inv = true;
}
_rat = fr;
break;
}
_path.getPointRatio(_rat, 0, __temp_p);
var _px = __temp_p.x;
var _py = __temp_p.y;
var _pw = __temp_p.weight;
var r0 = clamp(_rat - 0.0001, 0, 1);
var r1 = clamp(_rat + 0.0001, 0, 1);
_path.getPointRatio(r0, 0, __temp_p0);
_path.getPointRatio(r1, 0, __temp_p1);
var dir = inv? __temp_p1.directionTo(__temp_p0) : __temp_p0.directionTo(__temp_p1);
return [
[ _px, _py ],
dir,
_pw
];
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(THEME.node_draw_path, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
}
}