function Node_Path_Sample(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor { name = "Sample Path"; batch_output = false; 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)); static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) { #region 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); } } #endregion static processData = function(_output, _data, _output_index, _array_index = 0) { #region var _path = _data[0]; var _rat = _data[1]; var _mod = _data[2]; if(_path == noone) return [ 0, 0 ]; if(!struct_has(_path, "getPointRatio")) return [ 0, 0 ]; if(!is_real(_rat)) return [ 0, 0 ]; 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; } if(_output_index == 0) return _path.getPointRatio(_rat).toArray(); else if(_output_index == 1) { var r0 = clamp(_rat - 0.0001, 0, 1); var r1 = clamp(_rat + 0.0001, 0, 1); var p0 = _path.getPointRatio(r0); var p1 = _path.getPointRatio(r1); var dir = inv? p1.directionTo(p0) : p0.directionTo(p1); return dir; } } #endregion static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) { #region var bbox = drawGetBbox(xx, yy, _s); draw_sprite_fit(THEME.node_draw_path, 0, bbox.xc, bbox.yc, bbox.w, bbox.h); } #endregion }