mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2025-01-24 20:08:04 +01:00
271 lines
No EOL
6.9 KiB
Text
271 lines
No EOL
6.9 KiB
Text
function Node_Path_Bridge(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
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name = "Bridge Path";
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setDimension(96, 48);
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newInput(0, nodeValue_PathNode("Path", self, noone))
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.setVisible(true, true)
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.rejectArray();
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newInput(1, nodeValue_Int("Amount", self, 4))
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.rejectArray();
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newInput(2, nodeValue_Bool("Smooth", self, false))
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.rejectArray();
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newOutput(0, nodeValue_Output("Path", self, VALUE_TYPE.pathnode, self));
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input_display_list = [ 0,
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["Bridge", false], 1, 2,
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]
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cached_pos = ds_map_create();
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curr_path = noone;
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is_path = false;
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curr_amount = noone;
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curr_smooth = noone;
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#region ---- path ----
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anchors = [];
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controls = [];
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lengths = [];
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lengthAccs = [];
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boundary = [];
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lengthTotal = [];
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cached_pos = ds_map_create();
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#endregion
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static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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if(curr_path && struct_has(curr_path, "drawOverlay"))
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curr_path.drawOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny);
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var _amo = array_length(anchors);
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var ox, oy, nx, ny;
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var _p = new __vec2P();
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draw_set_color(COLORS._main_icon);
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for( var i = 0, n = _amo; i < n; i++ ) {
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var _a = anchors[i];
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if(curr_smooth) {
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var _smp = 1 / 32;
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for( var j = 0; j <= 1; j += _smp ) {
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_p = getPointRatio(j, i, _p);
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nx = _x + _p.x * _s;
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ny = _y + _p.y * _s;
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if(j > 0) draw_line_width(ox, oy, nx, ny, 3);
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ox = nx;
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oy = ny;
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}
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} else {
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for( var j = 0, m = array_length(_a); j < m; j++ ) {
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nx = _x + _a[j][0] * _s;
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ny = _y + _a[j][1] * _s;
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if(j) draw_line_width(ox, oy, nx, ny, 3);
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ox = nx;
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oy = ny;
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}
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}
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}
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}
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static getLineCount = function( ) /*=>*/ {return getInputData(1)};
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static getSegmentCount = function(ind = 0) /*=>*/ {return array_safe_length(array_safe_get_fast(anchors, ind))};
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static getLength = function(ind = 0) /*=>*/ {return array_safe_get_fast(lengths, ind)};
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static getAccuLength = function(ind = 0) /*=>*/ {return array_safe_get_fast(lengthAccs, ind)};
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static getBoundary = function(ind = 0) /*=>*/ {return array_safe_get_fast(boundary, ind)};
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static getPointRatio = function(_rat, ind = 0, out = undefined) { return getPointDistance(clamp(_rat, 0, 1) * getLength(ind), ind, out); }
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static getPointDistance = function(_dist, ind = 0, out = undefined) {
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if(out == undefined) out = new __vec2P(); else { out.x = 0; out.y = 0; }
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var _cKey = $"{string_format(_dist, 0, 6)},{ind}";
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if(ds_map_exists(cached_pos, _cKey)) {
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var _p = cached_pos[? _cKey];
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out.x = _p.x;
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out.y = _p.y;
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out.weight = _p.weight;
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return out;
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}
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var _a = anchors[ind];
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var _la = lengthAccs[ind];
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if(_dist == 0) {
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var _p = _a[0];
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out.x = _p[0];
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out.y = _p[1];
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out.weight = _p[2];
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cached_pos[? _cKey] = new __vec2P(out.x, out.y, out.weight);
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return out;
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}
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var _ind = 0;
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var n = array_length(_la);
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for(; _ind < n; _ind++ ) if(_dist < _la[_ind]) break;
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if(_ind >= n) {
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var _p = _a[_ind];
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out.x = _p[0];
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out.y = _p[1];
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out.weight = _p[2];
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cached_pos[? _cKey] = new __vec2P(out.x, out.y, out.weight);
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return out;
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}
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var _d = _ind == 0? _dist : _dist - _la[_ind - 1];
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var _rat = _d / (_la[_ind] - (_ind == 0? 0 : _la[_ind - 1]));
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var p0 = _a[_ind];
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var p1 = _a[_ind + 1];
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if(curr_smooth) {
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var _cnt = controls[ind];
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var _c0x = _cnt[_ind][0];
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var _c0y = _cnt[_ind][1];
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var _c1x = _cnt[_ind][2];
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var _c1y = _cnt[_ind][3];
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out.x = eval_bezier_x(_rat, p0[0], p0[1], p1[0], p1[1], _c0x, _c0y, _c1x, _c1y);
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out.y = eval_bezier_y(_rat, p0[0], p0[1], p1[0], p1[1], _c0x, _c0y, _c1x, _c1y);
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out.weight = lerp(p0[2], p1[2], _rat);
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} else {
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out.x = lerp(p0[0], p1[0], _rat);
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out.y = lerp(p0[1], p1[1], _rat);
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out.weight = lerp(p0[2], p1[2], _rat);
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}
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cached_pos[? _cKey] = new __vec2P(out.x, out.y, out.weight);
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return out;
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}
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static update = function() {
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ds_map_clear(cached_pos);
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curr_path = getInputData(0);
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is_path = curr_path != noone && struct_has(curr_path, "getPointRatio");
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curr_amount = getInputData(1);
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curr_smooth = getInputData(2);
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if(!is_path) return;
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#region bridge
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var _lines = curr_path.getLineCount();
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var _p = new __vec2P();
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var _rat;
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anchors = array_create(curr_amount);
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lengths = array_create(curr_amount);
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lengthAccs = array_create(curr_amount);
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for( var i = 0; i < curr_amount; i++ ) {
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var _a = array_create(_lines);
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_rat = curr_amount == 1? 0.5 : i / (curr_amount - 1);
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for( var j = 0; j < _lines; j++ ) {
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_p = curr_path.getPointRatio(clamp(_rat, 0, 0.999), j, _p);
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_a[j] = [ _p.x, _p.y, _p.weight ];
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}
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anchors[i] = _a;
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if(curr_smooth) {
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var _cnt = array_create(_lines - 1);
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for( var j = 0; j < _lines - 1; j++ ) _cnt[j] = [ 0, 0, 0, 0 ];
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_cnt[0] = [ _a[0][0], _a[ 0][1], _a[0][0], _a[0][1] ];
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_cnt[_lines - 2] = [ _a[_lines - 1][0], _a[_lines - 1][1], _a[_lines - 1][0], _a[_lines - 1][1] ];
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for( var j = 1; j < _lines - 1; j++ ) {
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var _a0 = _a[j - 1];
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var _a1 = _a[j];
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var _a2 = _a[j + 1];
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var _dr = point_direction(_a0[0], _a0[1], _a2[0], _a2[1]);
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var _ds0 = point_distance(_a1[0], _a1[1], _a0[0], _a0[1]) / 2;
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var _ds2 = point_distance(_a1[0], _a1[1], _a2[0], _a2[1]) / 2;
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var c0x = _a1[0] - lengthdir_x(_ds0, _dr);
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var c0y = _a1[1] - lengthdir_y(_ds0, _dr);
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var c1x = _a1[0] + lengthdir_x(_ds2, _dr);
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var c1y = _a1[1] + lengthdir_y(_ds2, _dr);
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_cnt[j - 1][2] = c0x;
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_cnt[j - 1][3] = c0y;
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_cnt[j][0] = c1x;
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_cnt[j][1] = c1y;
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}
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controls[i] = _cnt;
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var _l = 0, _la = [];
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var ox, oy, nx, ny;
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for( var j = 0; j < _lines - 1; j++ ) {
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var _a0 = _a[j];
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var _a1 = _a[j + 1];
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var _c0x = _cnt[j][0];
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var _c0y = _cnt[j][1];
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var _c1x = _cnt[j][2];
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var _c1y = _cnt[j][3];
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var _smp = 1 / 32;
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var _ll = 0;
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for( var k = 0; k < 1; k += _smp ) {
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nx = eval_bezier_x(k, _a0[0], _a0[1], _a1[0], _a1[1], _c0x, _c0y, _c1x, _c1y);
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ny = eval_bezier_y(k, _a0[0], _a0[1], _a1[0], _a1[1], _c0x, _c0y, _c1x, _c1y);
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if(k > 0) _ll += point_distance(ox, oy, nx, ny);
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ox = nx;
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oy = ny;
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}
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_l += _ll;
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array_push(_la, _l);
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}
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lengths[i] = _l;
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lengthAccs[i] = _la;
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} else {
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var _l = 0, _la = [];
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var ox, oy, nx, ny;
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for( var j = 0, m = array_length(_a); j < m; j++ ) {
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nx = _a[j][0];
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ny = _a[j][1];
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if(j) {
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var d = point_distance(ox, oy, nx, ny);
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_l += d;
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array_push(_la, _l);
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}
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ox = nx;
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oy = ny;
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}
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lengths[i] = _l;
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lengthAccs[i] = _la;
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}
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}
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#endregion
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}
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} |