mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 22:46:19 +01:00
300 lines
No EOL
8.5 KiB
Text
300 lines
No EOL
8.5 KiB
Text
function Node_Path_Smooth(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
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name = "Smooth Path";
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setDimension(96, 48);;
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newInput(0, nodeValue_Bool("Loop", self, false))
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.rejectArray();
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newInput(1, nodeValue_Bool("Round anchor", self, false))
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.rejectArray();
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newInput(2, nodeValue_Float("Smoothness", self, 3))
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.setDisplay(VALUE_DISPLAY.slider, { range : [ 1, 5, 0.01 ] } );
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outputs[0] = nodeValue_Output("Path data", self, VALUE_TYPE.pathnode, self);
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input_display_list = [
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["Path", false], 0, 1, 2,
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["Anchors", false],
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];
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setDynamicInput(1, false);
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tools = [
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new NodeTool( "Anchor add / remove", THEME.path_tools_add ),
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];
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#region ---- path ----
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anchors = [];
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controls = [];
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segments = [];
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lengths = [];
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lengthAccs = [];
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lengthTotal = 0;
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boundary = new BoundingBox();
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cached_pos = ds_map_create();
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#endregion
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#region ---- editor ----
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line_hover = noone;
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#endregion
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static resetDisplayList = function() { #region
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recordAction(ACTION_TYPE.var_modify, self, [ array_clone(input_display_list), "input_display_list" ]);
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input_display_list = [
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["Path", false], 0, 1, 2,
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["Anchors", false],
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];
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for( var i = input_fix_len, n = array_length(inputs); i < n; i++ ) {
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array_push(input_display_list, i);
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inputs[i].name = $"Anchor {i - input_fix_len}";
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}
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} #endregion
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static createNewInput = function(_x = 0, _y = 0) { #region
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var index = array_length(inputs);
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newInput(index, nodeValue_Vec2("Anchor", self, [ _x, _y ]));
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recordAction(ACTION_TYPE.list_insert, inputs, [ inputs[index], index, "add path anchor point" ]);
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resetDisplayList();
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return inputs[index];
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} #endregion
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static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) { #region
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var sample = PREFERENCES.path_resolution;
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var ansize = array_length(inputs) - input_fix_len;
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var loop = getInputData(0);
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var rond = getInputData(1);
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var _line_hover = -1;
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var _anchor_hover = -1;
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if(!array_empty(anchors)) {
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draw_set_color(COLORS._main_accent);
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for( var i = 0, n = array_length(segments); i < n; i++ ) { #region draw path
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var _seg = segments[i];
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var _ox = 0, _oy = 0, _nx = 0, _ny = 0, p = 0;
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for( var j = 0, m = array_length(_seg); j < m; j += 2 ) {
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_nx = _x + _seg[j + 0] * _s;
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_ny = _y + _seg[j + 1] * _s;
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if(j) {
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if((key_mod_press(CTRL) || isUsingTool(0)) && distance_to_line(_mx, _my, _ox, _oy, _nx, _ny) < 4)
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_line_hover = i;
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draw_line_width(_ox, _oy, _nx, _ny, 1 + 2 * (line_hover == i));
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}
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_ox = _nx;
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_oy = _ny;
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}
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} #endregion
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#region draw anchor
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var _act = active && !isUsingTool(0);
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for(var i = input_fix_len; i < array_length(inputs); i++) {
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var a = inputs[i].drawOverlay(hover, _act, _x, _y, _s, _mx, _my, _snx, _sny);
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_act &= !a;
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if(a) _anchor_hover = i;
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}
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#endregion
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}
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line_hover = _line_hover;
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if(key_mod_press(CTRL) || isUsingTool(0)) { #region anchor edit
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draw_sprite_ui_uniform(_anchor_hover == -1? THEME.cursor_path_add : THEME.cursor_path_remove, 0, _mx + 16, _my + 16);
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if(mouse_press(mb_left, active)) {
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if(_anchor_hover == -1) {
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var anc = createNewInput(value_snap((_mx - _x) / _s, _snx), value_snap((_my - _y) / _s, _sny));
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UNDO_HOLDING = true;
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if(_line_hover != -1) {
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array_remove(inputs, anc);
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array_insert(inputs, input_fix_len + _line_hover + 1, anc);
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}
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} else {
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recordAction(ACTION_TYPE.list_delete, inputs, [ inputs[input_fix_len + _anchor_hover], input_fix_len + _anchor_hover, "remove path anchor point" ]);
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array_delete(inputs, input_fix_len + _anchor_hover, 1);
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resetDisplayList();
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}
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RENDER_ALL
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}
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#endregion
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}
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} #endregion
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static updateLength = function() { #region
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var loop = getInputData(0);
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segments = [];
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lengths = [];
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lengthAccs = [];
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lengthTotal = 0;
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boundary = new BoundingBox();
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var sample = PREFERENCES.path_resolution;
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var ansize = array_length(inputs) - input_fix_len;
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if(ansize < 2) return;
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var con = loop? ansize : ansize - 1;
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for(var i = 0; i < con; i++) {
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var _a0 = anchors[ (i + 0) % ansize];
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var _a1 = anchors[ (i + 1) % ansize];
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var _c0 = controls[(i + 0) % ansize];
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var _c1 = controls[(i + 1) % ansize];
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var l = 0, _ox = 0, _oy = 0, _nx = 0, _ny = 0, p = 0;
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var sg = array_create(sample * 2);
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for(var j = 0; j < sample; j++) {
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if(_c0[2] == 0 && _c0[3] == 0 && _c1[0] == 0 && _c1[1] == 0) {
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_nx = lerp(_a0[0], _a1[0], j / sample);
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_ny = lerp(_a0[1], _a1[1], j / sample);
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} else {
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_nx = eval_bezier_x(j / sample, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _c0[2], _a0[1] + _c0[3], _a1[0] + _c1[0], _a1[1] + _c1[1]);
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_ny = eval_bezier_y(j / sample, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _c0[2], _a0[1] + _c0[3], _a1[0] + _c1[0], _a1[1] + _c1[1]);
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}
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sg[j * 2 + 0] = _nx;
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sg[j * 2 + 1] = _ny;
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boundary.addPoint(_nx, _ny);
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if(j) l += point_distance(_nx, _ny, _ox, _oy);
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_ox = _nx;
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_oy = _ny;
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}
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segments[i] = sg;
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lengths[i] = l;
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lengthTotal += l;
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lengthAccs[i] = lengthTotal;
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}
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} #endregion
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static getLineCount = function() { return 1; }
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static getSegmentCount = function() { return array_length(lengths); }
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static getBoundary = function() { return boundary; }
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static getLength = function() { return lengthTotal; }
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static getAccuLength = function() { return lengthAccs; }
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static getPointDistance = function(_dist, _ind = 0, out = undefined) { #region
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if(out == undefined) out = new __vec2(); else { out.x = 0; out.y = 0; }
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if(array_empty(lengths)) return out;
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var _cKey = _dist;
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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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return out;
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}
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var loop = getInputData(1);
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if(loop) _dist = safe_mod(_dist, lengthTotal, MOD_NEG.wrap);
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var ansize = array_length(inputs) - input_fix_len;
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if(ansize == 0) return out;
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for(var i = 0; i < ansize; i++) {
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var _a0 = anchors[ (i + 0) % ansize];
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var _a1 = anchors[ (i + 1) % ansize];
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var _c0 = controls[(i + 0) % ansize];
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var _c1 = controls[(i + 1) % ansize];
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if(_dist > lengths[i]) {
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_dist -= lengths[i];
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continue;
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}
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var _t = _dist / lengths[i];
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if(_c0[2] == 0 && _c0[3] == 0 && _c1[0] == 0 && _c1[1] == 0) {
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out.x = lerp(_a0[0], _a1[0], _t);
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out.y = lerp(_a0[1], _a1[1], _t);
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} else {
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out.x = eval_bezier_x(_t, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _c0[2], _a0[1] + _c0[3], _a1[0] + _c1[0], _a1[1] + _c1[1]);
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out.y = eval_bezier_y(_t, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _c0[2], _a0[1] + _c0[3], _a1[0] + _c1[0], _a1[1] + _c1[1]);
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}
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cached_pos[? _cKey] = out.clone();
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return out;
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}
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return out;
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} #endregion
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static getPointRatio = function(_rat, _ind = 0, out = undefined) { #region
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var pix = frac(_rat) * lengthTotal;
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return getPointDistance(pix, _ind, out);
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} #endregion
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static update = function(frame = CURRENT_FRAME) { #region
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ds_map_clear(cached_pos);
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var loop = getInputData(0);
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var rond = getInputData(1);
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var smot = getInputData(2);
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var _a = [];
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for(var i = input_fix_len; i < array_length(inputs); i++) {
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var _anc = array_clone(getInputData(i));
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if(rond) {
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_anc[0] = round(_anc[0]);
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_anc[1] = round(_anc[1]);
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}
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array_push(_a, _anc);
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}
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var amo = array_length(_a);
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anchors = _a;
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controls = array_create(amo);
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if(amo == 2) {
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controls = [
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[ 0, 0, 0, 0 ],
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[ 0, 0, 0, 0 ],
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];
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} else {
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for( var i = 0, n = amo; i < n; i++ ) {
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var _a0 = array_safe_get_fast(anchors, (i - 1 + amo) % n, [ 0, 0 ]);
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var _a1 = array_safe_get_fast(anchors, (i + amo) % n, [ 0, 0 ]);
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var _a2 = array_safe_get_fast(anchors, (i + 1 + amo) % n, [ 0, 0 ]);
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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]) / smot;
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var _ds2 = point_distance(_a1[0], _a1[1], _a2[0], _a2[1]) / smot;
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controls[i] = [ -lengthdir_x(_ds0, _dr), -lengthdir_y(_ds0, _dr),
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lengthdir_x(_ds2, _dr), lengthdir_y(_ds2, _dr) ];
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}
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if(!loop && amo) {
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controls[0] = [ 0, 0, 0, 0 ];
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controls[amo - 1] = [ 0, 0, 0, 0 ];
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}
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}
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updateLength();
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} #endregion
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static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) { #region
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var bbox = drawGetBbox(xx, yy, _s);
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draw_sprite_fit(THEME.node_draw_path, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
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} #endregion
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} |