function Node_Path_Builder(_x, _y, _group = noone) : Node(_x, _y, _group) constructor { name = "Path Builder"; previewable = false; w = 96; length = 0; lengthAcc = []; inputs[| 0] = nodeValue("Point array", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, []) .setVisible(true, true) .setArrayDepth(2); inputs[| 1] = nodeValue("Connected", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "If set to true, will draw a single path from one point to another. If not set will treat each pair of points as an individual line."); outputs[| 0] = nodeValue("Path", self, JUNCTION_CONNECT.output, VALUE_TYPE.pathnode, self); static drawOverlay = function(active, _x, _y, _s, _mx, _my, _snx, _sny) { #region var _lines = getInputData(0); var _conn = getInputData(1); draw_set_color(COLORS._main_accent); if(_conn) { for( var i = 1, n = array_length(_lines); i < n; i++ ) { var p0 = _lines[i - 1]; var p1 = _lines[i - 0]; draw_line(_x + p0[0] * _s, _y + p0[1] * _s, _x + p1[0] * _s, _y + p1[1] * _s); } } else { var len = floor(array_length(_lines) / 2) * 2; for( var i = 0; i < len; i += 2 ) { var p0 = _lines[i + 0]; var p1 = _lines[i + 1]; draw_line(_x + p0[0] * _s, _y + p0[1] * _s, _x + p1[0] * _s, _y + p1[1] * _s); } } } #endregion static getLineCount = function() { #region var _lines = getInputData(0); var _conn = getInputData(1); return _conn? 1 : floor(array_length(_lines) / 2); } #endregion static getSegmentCount = function() { #region var _lines = getInputData(0); var _conn = getInputData(1); return _conn? array_length(_lines) - 1 : 1; } #endregion static getLength = function(index) { return is_array(length)? array_safe_get(length, index) : length; } static getAccuLength = function(index) { return array_safe_get(lengthAcc, index, []); } static getPointRatio = function(_rat, _ind = 0) { #region var _lines = getInputData(0); var _conn = getInputData(1); var _p0, _p1; var _x, _y; if(_conn) { var _st = _rat * (array_length(_lines) - 1); _p0 = array_safe_get(_lines, floor(_st) + 0,, ARRAY_OVERFLOW._default); _p1 = array_safe_get(_lines, floor(_st) + 1,, ARRAY_OVERFLOW._default); if(!is_array(_p0)) return new __vec2(); if(!is_array(_p1)) return new __vec2(); _x = lerp(_p0[0], _p1[0], frac(_st)); _y = lerp(_p0[1], _p1[1], frac(_st)); return new __vec2( _x, _y ); } else { _p0 = array_safe_get(_lines, _ind * 2 + 0,, ARRAY_OVERFLOW._default); _p1 = array_safe_get(_lines, _ind * 2 + 1,, ARRAY_OVERFLOW._default); if(!is_array(_p0)) return new __vec2(); if(!is_array(_p1)) return new __vec2(); _x = lerp(_p0[0], _p1[0], _rat); _y = lerp(_p0[1], _p1[1], _rat); return new __vec2( _x, _y ); } } #endregion static getPointDistance = function(_dist, ind = 0) { #region var _conn = getInputData(1); if(_conn) return getPointRatio(_dist / length); else return getPointRatio(_dist / length[ind], ind); } #endregion static getBoundary = function() { #region var boundary = new BoundingBox(); var _lines = getInputData(0); for( var i = 0, n = array_length(_lines); i < n; i++ ) boundary.addPoint(_lines[i][0], _lines[i][1]); return boundary; } #endregion static update = function() { #region var _lines = getInputData(0); var _conn = getInputData(1); if(_conn) { length = 0; lengthAcc = []; for( var i = 1, n = array_length(_lines); i < n; i++ ) { var p0 = _lines[i - 1]; var p1 = _lines[i - 0]; var dist = point_distance(p0[0], p0[1], p1[0], p1[1]); length += dist; array_push(lengthAcc, length); } } else { length = []; lengthAcc = []; var len = floor(array_length(_lines) / 2) * 2; for( var i = 0; i < len; i += 2 ) { var p0 = _lines[i + 0]; var p1 = _lines[i + 1]; var dist = point_distance(p0[0], p0[1], p1[0], p1[1]); array_push(length, dist); array_push(lengthAcc, [ dist ]); } } outputs[| 0].setValue(self); } #endregion static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) { #region var bbox = drawGetBbox(xx, yy, _s); draw_sprite_fit(s_node_path_builder, 0, bbox.xc, bbox.yc, bbox.w, bbox.h); } #endregion }