Pixel-Composer/scripts/node_line/node_line.gml

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function Node_Line(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Draw Line";
inputs[| 0] = nodeValue("Dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, DEF_SURF )
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 1] = nodeValue("Background", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
inputs[| 2] = nodeValue("Segment", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1)
.setDisplay(VALUE_DISPLAY.slider, { range: [1, 32, 0.1] });
inputs[| 3] = nodeValue("Width", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 2, 2 ])
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 4] = nodeValue("Wiggle", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY.slider, { range: [0, 16, 0.01] });
inputs[| 5] = nodeValue("Random seed", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0);
inputs[| 6] = nodeValue("Rotation", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY.rotation);
inputs[| 7] = nodeValue("Path", self, JUNCTION_CONNECT.input, VALUE_TYPE.pathnode, noone, "Draw line along path.")
.setVisible(true, true);
inputs[| 8] = nodeValue("Range", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [0, 1], "Range of the path to draw.")
.setDisplay(VALUE_DISPLAY.slider_range);
inputs[| 9] = nodeValue("Shift", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY._default, { slide_speed: 1 / 64 });
inputs[| 10] = nodeValue("Color over length", self, JUNCTION_CONNECT.input, VALUE_TYPE.gradient, new gradientObject(c_white) );
inputs[| 11] = nodeValue("Width over length", self, JUNCTION_CONNECT.input, VALUE_TYPE.curve, CURVE_DEF_11);
inputs[| 12] = nodeValue("Span width over path", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "Apply the full 'width over length' to the trimmed path.");
inputs[| 13] = nodeValue("Round cap", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
inputs[| 14] = nodeValue("Round segment", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 4)
.setDisplay(VALUE_DISPLAY.slider, { range: [2, 16, 0.1] });
inputs[| 15] = nodeValue("Span color over path", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "Apply the full 'color over length' to the trimmed path.");
inputs[| 16] = nodeValue("Width pass", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
inputs[| 17] = nodeValue("1px mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "Render pixel perfect 1px line.");
inputs[| 18] = nodeValue("Texture", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, noone);
inputs[| 19] = nodeValue("Fix length", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "Fix length of each segment instead of segment count.");
inputs[| 20] = nodeValue("Segment length", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 4);
inputs[| 21] = nodeValue("Texture position", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0, 0 ])
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 22] = nodeValue("Texture rotation", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY.rotation);
inputs[| 23] = nodeValue("Texture scale", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 1, 1 ])
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 24] = nodeValue("Random Blend", self, JUNCTION_CONNECT.input, VALUE_TYPE.gradient, new gradientObject(c_white) );
inputs[| 25] = nodeValue("Invert", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false );
inputs[| 26] = nodeValue("Clamp range", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false );
input_display_list = [
["Output", true], 0, 1,
["Line data", false], 6, 7, 19, 2, 20,
["Line settings", false], 17, 3, 11, 12, 8, 25, 9, 26, 13, 14,
["Wiggle", false], 4, 5,
["Render", false], 10, 24, 15, 16,
["Texture", false], 18, 21, 22, 23,
];
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
outputs[| 1] = nodeValue("Width Pass", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
lines = [];
widthMap = ds_map_create();
attribute_surface_depth();
attribute_interpolation();
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) { #region
draw_set_color(COLORS._main_accent);
for( var i = 0, n = array_length(lines); i < n; i++ ) {
var points = lines[i];
if(array_length(points) < 2) continue;
for( var j = 1; j < array_length(points); j++ ) {
var x0 = points[j - 1].x;
var y0 = points[j - 1].y;
var x1 = points[j].x;
var y1 = points[j].y;
x0 = _x + x0 * _s;
y0 = _y + y0 * _s;
x1 = _x + x1 * _s;
y1 = _y + y1 * _s;
draw_line(x0, y0, x1, y1);
// draw_circle(x0, y0, 4, false);
}
}
} #endregion
static step = function() { #region
var px = !getInputData(17);
var _tex = inputs[| 18].value_from != noone;
var _flen = getInputData(19);
inputs[| 3].setVisible(px);
inputs[| 11].setVisible(px);
inputs[| 12].setVisible(px);
inputs[| 13].setVisible(px && !_tex);
inputs[| 14].setVisible(px);
inputs[| 18].setVisible(px);
inputs[| 15].setVisible(!_tex);
inputs[| 16].setVisible(!_tex);
inputs[| 2].setVisible(!_flen);
inputs[| 20].setVisible( _flen);
} #endregion
static onValueUpdate = function(index = 0) { #region
if(index == 11) ds_map_clear(widthMap);
} #endregion
static processData = function(_outData, _data, _output_index, _array_index) { #region
#region data
var _dim = _data[0];
var _bg = _data[1];
var _seg = _data[2];
var _wid = _data[3];
var _wig = _data[4];
var _sed = _data[5];
var _ang = _data[6] % 360;
var _pat = _data[7];
var _ratio = _data[8];
var _shift = _data[9];
var _color = _data[10];
var _widc = _data[11];
var _widap = _data[12];
var _cap = _data[13];
var _capP = _data[14];
var _colP = _data[15];
var _colW = _data[16];
var _1px = _data[17];
var _fixL = _data[19];
var _segL = _data[20];
var _tex = _data[18];
var _texPos = _data[21];
var _texRot = _data[22];
var _texSca = _data[23];
var _colb = _data[24];
var _ratInv = _data[25];
var _clamp = _data[26];
#endregion
if(IS_FIRST_FRAME || inputs[| 11].is_anim)
ds_map_clear(widthMap);
var __debug_timer = get_timer();
var _rangeMin = min(_ratio[0], _ratio[1]);
var _rangeMax = max(_ratio[0], _ratio[1]);
if(_rangeMax == 1) _rangeMax = 0.99999;
var _rtStr = min(_rangeMin, _rangeMax);
var _rtMax = max(_rangeMin, _rangeMax);
var _use_path = is_struct(_pat);
var _useTex = inputs[| 18].value_from != noone;
if(_useTex) {
_cap = false;
_1px = false;
}
if(_ang < 0) _ang = 360 + _ang;
inputs[| 6].setVisible(!_use_path);
random_set_seed(_sed);
var _sedIndex = 0;
var _colorPass = surface_verify(_outData[0], _dim[0], _dim[1], attrDepth());
var _widthPass = surface_verify(_outData[1], _dim[0], _dim[1], attrDepth());
var p = new __vec2();
var _ox, _nx, _nx1, _oy, _ny, _ny1;
var _ow, _nw, _oa, _na, _oc, _nc, _owg, _nwg;
var _pathData = [];
if(_use_path) { #region
var lineLen = 1;
if(struct_has(_pat, "getLineCount"))
lineLen = _pat.getLineCount();
if(struct_has(_pat, "getPathData"))
_pathData = _pat.getPathData();
lines = array_verify(lines, lineLen);
var _lineAmo = 0;
if(_rtMax > 0)
for( var i = 0; i < lineLen; i++ ) {
var _useDistance = _fixL && struct_has(_pat, "getLength");
var _pathLength = _useDistance? _pat.getLength(i) : 1;
if(_pathLength == 0) continue;
var _pathStr = _rtStr;
var _pathEnd = _rtMax;
var _stepLen = min(_pathEnd, 1 / _seg); //Distance to move per step
if(_stepLen <= 0.00001) continue;
var _total = _pathEnd; //Length remaining
var _total_prev = _total; //Use to prevent infinite loop
var _freeze = 0; //Use to prevent infinite loop
var _prog_curr = _clamp? _shift : frac(_shift); //Pointer to the current position
var _prog_next = 0;
var _prog = _prog_curr + 1; //Record previous position to delete from _total
var _prog_total = 0; //Record the distance the pointer has moved so far
var points = [];
var pointAmo = 0;
var wght;
var _pathPng;
if(_useDistance) {
_pathStr *= _pathLength;
_pathEnd *= _pathLength;
_stepLen = min(_segL, _pathEnd);
_total *= _pathLength;
_total_prev = _total;
_prog_curr *= _pathLength;
}
var _segLength = struct_has(_pat, "getAccuLength")? _pat.getAccuLength(i) : [];
var _segLengthAmo = array_length(_segLength);
var _segIndex = 0;
var _segIndexPrev = 0;
if(_segLengthAmo)
while(_prog_curr > _segLength[_segIndex]) {
_segIndex++;
if(_segIndex == _segLengthAmo) {
_segIndex = 0;
break;
}
}
// print($"===== {_prog_curr} / {_segLength} : {_segIndex} - {_pathLength} =====");
while(true) {
wght = 1;
_segIndexPrev = _segIndex;
if(_useDistance) {
var segmentLength = array_safe_get_fast(_segLength, _segIndex, _pathLength);
_prog_next = min(_prog_curr + _stepLen, _pathLength, segmentLength);
_pathPng = _ratInv? _pathLength - _prog_curr : _prog_curr;
//print($"{segmentLength}/{_pathLength} = {_prog_next}");
if(_prog_next == segmentLength) _segIndex++;
var _pp = _clamp? clamp(_pathPng, 0, _pathLength) : _pathPng;
// print($"_pp = {_pp}, total = {_total}");
p = _pat.getPointDistance(_pp, i, p);
if(struct_has(_pat, "getWeightDistance"))
wght = _pat.getWeightDistance(_pp, i);
} else {
_prog_next = min(_prog_curr + _stepLen, 1); //Move forward _stepLen or _total (if less) stop at 1
_pathPng = _ratInv? 1 - _prog_curr : _prog_curr;
var _pp = _clamp? clamp(_pathPng, 0, 1) : _pathPng
p = _pat.getPointRatio(_pp, i, p);
if(struct_has(_pat, "getWeightRatio"))
wght = _pat.getWeightRatio(_pp, i);
}
_nx = p.x;
_ny = p.y;
// print($"{_nx}, {_ny}");
if(_total < _pathEnd) { //Do not wiggle the last point.
var _d = point_direction(_ox, _oy, _nx, _ny);
_nx += lengthdir_x(random1D(_sed + _sedIndex, -_wig, _wig), _d + 90); _sedIndex++;
_ny += lengthdir_y(random1D(_sed + _sedIndex, -_wig, _wig), _d + 90); _sedIndex++;
}
if(_prog_total >= _pathStr) { //Do not add point before range start. Do this instead of starting at _rtStr to prevent wiggle.
points[pointAmo++] = {
x: _nx,
y: _ny,
prog: (_prog_total - _pathStr) / (_pathEnd - _pathStr),
progCrop: _prog_curr / _pathLength,
weight: wght
}
}
if(_total <= 0) break;
if(_prog_next == _prog_curr && _segIndexPrev == _segIndex) { /*print("Terminate line not moving");*/ break; }
else if(_prog_next > _prog_curr) {
_prog_total += _prog_next - _prog_curr;
_total -= _prog_next - _prog_curr;
}
_stepLen = min(_stepLen, _total);
_prog_curr = _prog_next;
_ox = _nx;
_oy = _ny;
if(_total_prev == _total && _segIndexPrev == _segIndex && ++_freeze > 16) { /*print("Terminate line not moving");*/ break; }
_total_prev = _total;
if(_segIndex >= _segLengthAmo) { /*print("Terminate line finish last segment");*/ break; }
}
array_resize(points, pointAmo);
lines[_lineAmo++] = points;
}
array_resize(lines, _lineAmo);
#endregion
} else { #region
var x0, y0, x1, y1;
var _0 = point_rectangle_overlap(_dim[0], _dim[1], (_ang + 180) % 360);
var _1 = point_rectangle_overlap(_dim[0], _dim[1], _ang);
x0 = _0[0]; y0 = _0[1];
x1 = _1[0]; y1 = _1[1];
var _l = point_distance(x0, y0, x1, y1);
var _d = point_direction(x0, y0, x1, y1);
var _od = _d, _nd = _d;
var ww = _rtMax / _seg;
var _total = _rtMax;
var _prog_curr = frac(_shift) - ww;
var _prog = _prog_curr + 1;
var _prog_total = 0;
var points = [];
while(_total > 0) {
if(_prog_curr >= 1) _prog_curr = 0;
else _prog_curr = min(_prog_curr + min(_total, ww), 1);
_prog_total += min(_total, ww);
_nx = x0 + lengthdir_x(_l * _prog_curr, _d);
_ny = y0 + lengthdir_y(_l * _prog_curr, _d);
var wgLen = random1D(_sed + _sedIndex, -_wig, _wig); _sedIndex++;
_nx += lengthdir_x(wgLen, _d + 90);
_ny += lengthdir_y(wgLen, _d + 90);
if(_prog_total > _rtStr) //prevent drawing point before range start.
array_push(points, { x: _nx, y: _ny, prog: _prog_total / _rtMax, progCrop: _prog_curr, weight: 1 });
if(_prog_curr > _prog)
_total -= (_prog_curr - _prog);
_prog = _prog_curr;
_ox = _nx;
_oy = _ny;
}
lines = [ points ];
} #endregion
#region draw
surface_set_target(_colorPass);
if(_bg) draw_clear_alpha(0, 1);
else DRAW_CLEAR
if(_useTex) { #region
var tex = surface_get_texture(_tex);
shader_set(sh_draw_mapping);
shader_set_2("position", _texPos);
shader_set_f("rotation", degtorad(_texRot));
shader_set_2("scale", _texSca);
shader_set_interpolation(_tex);
} #endregion
for( var i = 0, n = array_length(lines); i < n; i++ ) {
var points = lines[i];
if(array_length(points) < 2) continue;
var _caps = [];
if(_useTex) draw_primitive_begin_texture(pr_trianglestrip, tex);
else draw_primitive_begin(pr_trianglestrip);
random_set_seed(_sed + i);
var pxs = [];
var dat = array_safe_get_fast(_pathData, i, noone);
var _col_base = dat == noone? _colb.eval(random(1)) : dat.color;
for( var j = 0; j < array_length(points); j++ ) {
var p0 = points[j];
var _nx = p0.x - 0.5 * _1px;
var _ny = p0.y - 0.5 * _1px;
var prog = p0.prog;
var prgc = p0.progCrop;
var _dir = j? point_direction(_ox, _oy, _nx, _ny) : 0;
var widProg = value_snap_real(_widap? prog : prgc, 0.01);
_nw = random_range(_wid[0], _wid[1]);
if(!ds_map_exists(widthMap, widProg))
widthMap[? widProg] = eval_curve_x(_widc, widProg, 0.1);
_nw *= widthMap[? widProg];
_nw *= p0.weight;
_nc = colorMultiply(_col_base, _color.eval(_colP? prog : prgc));
if(_cap) { #region
if(j == 1) {
_d = _dir + 180;
_caps[0] = [ _oc, _ox, _oy, _ow / 2, _d - 90, _d ];
_caps[1] = [ _oc, _ox, _oy, _ow / 2, _d, _d + 90 ];
}
if(j == array_length(points) - 1) {
_d = _dir;
_caps[2] = [ _nc, _nx, _ny, _nw / 2, _d - 90, _d ];
_caps[3] = [ _nc, _nx, _ny, _nw / 2, _d, _d + 90 ];
}
} #endregion
if(_1px) { #region
if(j) {
var dst = point_distance(_ox, _oy, _nx, _ny);
if(dst <= 1 && i < array_length(points) - 1) continue;
draw_line_color(_ox, _oy, _nx, _ny, _oc, _nc);
}
_ox = _nx;
_oy = _ny;
_oc = _nc;
#endregion
} else { #region
if(j) {
var _nd0 = _dir;
var _nd1 = _nd0;
if(j < array_length(points) - 1) {
var p2 = points[j + 1];
var _nnx = p2.x;
var _nny = p2.y;
_nd1 = point_direction(_nx, _ny, _nnx, _nny);
_nd = _nd0 + angle_difference(_nd1, _nd0) / 2;
} else
_nd = _nd0;
if(_useTex) {
var _len = array_length(points) - 1;
var ox0 = _ox + lengthdir_x(_ow / 2, _od + 90);
var oy0 = _oy + lengthdir_y(_ow / 2, _od + 90);
var nx0 = _nx + lengthdir_x(_nw / 2, _nd + 90);
var ny0 = _ny + lengthdir_y(_nw / 2, _nd + 90);
var ox1 = _ox + lengthdir_x(_ow / 2, _od + 90 + 180);
var oy1 = _oy + lengthdir_y(_ow / 2, _od + 90 + 180);
var nx1 = _nx + lengthdir_x(_nw / 2, _nd + 90 + 180);
var ny1 = _ny + lengthdir_y(_nw / 2, _nd + 90 + 180);
draw_vertex_texture_color(ox0, oy0, 0, (j - 1) / _len, _oc, 1);
draw_vertex_texture_color(ox1, oy1, 1, (j - 1) / _len, _oc, 1);
draw_vertex_texture_color(nx0, ny0, 0, (j - 0) / _len, _nc, 1);
draw_vertex_texture_color(nx1, ny1, 1, (j - 0) / _len, _nc, 1);
} else
draw_line_width2_angle(_ox, _oy, _nx, _ny, _ow, _nw, _od + 90, _nd + 90, _oc, _nc);
} else {
var p1 = points[j + 1];
_nd = point_direction(_nx, _ny, p1.x, p1.y);
}
_ox = _nx;
_oy = _ny;
_od = _nd;
_ow = _nw;
_oc = _nc;
}
#endregion
}
draw_primitive_end();
for( var j = 0, m = array_length(_caps); j < m; j++ ) {
var _cps = _caps[j];
draw_set_color(_cps[0]);
draw_circle_angle(_cps[1], _cps[2], _cps[3], _cps[4], _cps[5], _capP);
}
}
if(_useTex) shader_reset();
surface_reset_target();
if(_colW && !_1px) {
surface_set_target(_widthPass);
if(_bg) draw_clear_alpha(0, 1);
else DRAW_CLEAR
for( var i = 0, n = array_length(lines); i < n; i++ ) {
var points = lines[i];
if(array_length(points) < 2) continue;
var _caps = [];
draw_primitive_begin(pr_trianglestrip);
random_set_seed(_sed + i);
var pxs = [];
var dat = array_safe_get_fast(_pathData, i, noone);
var _col_base = dat == noone? _colb.eval(random(1)) : dat.color;
for( var j = 0; j < array_length(points); j++ ) {
var p0 = points[j];
var _nx = p0.x - 0.5 * _1px;
var _ny = p0.y - 0.5 * _1px;
var prog = p0.prog;
var prgc = p0.progCrop;
var _dir = j? point_direction(_ox, _oy, _nx, _ny) : 0;
var widProg = value_snap_real(_widap? prog : prgc, 0.01);
_nw = random_range(_wid[0], _wid[1]);
if(!ds_map_exists(widthMap, widProg))
widthMap[? widProg] = eval_curve_x(_widc, widProg, 0.1);
_nw *= widthMap[? widProg];
_nw *= p0.weight;
if(_cap) { #region
if(j == 1) {
_d = _dir + 180;
_caps[0] = [ c_grey, _ox, _oy, _ow / 2, _d - 90, _d ];
_caps[1] = [ c_grey, _ox, _oy, _ow / 2, _d, _d + 90 ];
}
if(j == array_length(points) - 1) {
_d = _dir;
_caps[2] = [ c_grey, _nx, _ny, _nw / 2, _d - 90, _d ];
_caps[3] = [ c_grey, _nx, _ny, _nw / 2, _d, _d + 90 ];
}
} #endregion
if(j) {
var _nd0 = _dir;
var _nd1 = _nd0;
if(j < array_length(points) - 1) {
var p2 = points[j + 1];
var _nnx = p2.x;
var _nny = p2.y;
_nd1 = point_direction(_nx, _ny, _nnx, _nny);
_nd = _nd0 + angle_difference(_nd1, _nd0) / 2;
} else
_nd = _nd0;
draw_line_width2_angle_width(_ox, _oy, _nx, _ny, _ow, _nw, _od + 90, _nd + 90, c_white, c_white);
} else {
var p1 = points[j + 1];
_nd = point_direction(_nx, _ny, p1.x, p1.y);
}
_ox = _nx;
_oy = _ny;
_od = _nd;
_ow = _nw;
#endregion
}
draw_primitive_end();
for( var j = 0, m = array_length(_caps); j < m; j++ ) {
var _cps = _caps[j];
draw_set_color(_cps[0]);
draw_circle_angle(_cps[1], _cps[2], _cps[3], _cps[4], _cps[5], _capP);
}
}
surface_reset_target();
}
#endregion
return [ _colorPass, _widthPass ];
} #endregion
}