function Node_Strand_Render(_x, _y, _group = noone) : Node(_x, _y, _group) constructor { name = "Strand Render"; color = COLORS.node_blend_strand; icon = THEME.strandSim; use_cache = CACHE_USE.auto; manual_ungroupable = false; newInput(0, nodeValue_Dimension(self)); newInput(1, nodeValue("Strand", self, CONNECT_TYPE.input, VALUE_TYPE.strands, noone)) .setVisible(true, true); newInput(2, nodeValue_Range("Thickness", self, [ 1, 1 ], { linked : true })); newInput(3, nodeValue("Thickness over length", self, CONNECT_TYPE.input, VALUE_TYPE.curve, CURVE_DEF_11)); newInput(4, nodeValue_Gradient("Random color", self, new gradientObject(cola(c_white)))); newInput(5, nodeValue_Gradient("Color over length", self, new gradientObject(cola(c_white)))); newInput(6, nodeValue_Float("Seed", self, seed_random(6))) .setDisplay(VALUE_DISPLAY._default, { side_button : button(function() { randomize(); inputs[6].setValue(seed_random(6)); }).setIcon(THEME.icon_random, 0, COLORS._main_icon) }); newInput(7, nodeValue_Float("Child", self, 0, "Render extra strands between the real strands.")); newInput(8, nodeValue_Int("Update quality", self, 4)); outputs[0] = nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone); input_display_list = [ 6, 8, ["Output", false], 0, ["Strand", false], 7, 1, 2, 3, ["Color", false], 4, 5, ]; insp2UpdateTooltip = "Clear cache"; insp2UpdateIcon = [ THEME.cache, 0, COLORS._main_icon ]; static onInspector2Update = function() { clearCache(); } static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) { #region var _str = getInputData(1); if(_str == noone) return; if(!is_array(_str)) _str = [ _str ]; for( var i = 0, n = array_length(_str); i < n; i++ ) _str[i].draw(_x, _y, _s); } #endregion static update = function(frame = CURRENT_FRAME) { if(!PROJECT.animator.is_playing && recoverCache()) return; var _dim = getInputData(0); var _str = getInputData(1); var _thk = getInputData(2); var _tln = getInputData(3); var _bld = getInputData(4); var _col = getInputData(5); var _sed = getInputData(6); var _chd = getInputData(7); var _stp = getInputData(8); var _surf = outputs[0].getValue(); _surf = surface_verify(_surf, _dim[0], _dim[1]); outputs[0].setValue(_surf); if(_str == noone) return; if(!is_array(_str)) _str = [ _str ]; random_set_seed(_sed); var _sedIndex = 0; surface_set_target(_surf); DRAW_CLEAR var h0 = [], h1 = []; for( var h = 0; h < array_length(_str); h++ ) { var _strand = _str[h]; var hairs = _strand.hairs; if(_stp) _strand.step(_stp); for( var i = 0, n = array_length(hairs); i < n; i++ ) { var hair = hairs[i]; var os, ns, ot, nt; var len = array_length(hair.points); var bld = _bld.eval(random1D(_sed + _sedIndex)); _sedIndex++; var clr = c_black; for( var j = 0; j < len; j++ ) { ns = hair.points[j]; nt = eval_curve_x(_tln, j / (len - 1)); nt *= random1D(_sed + _sedIndex, _thk[0], _thk[1]); _sedIndex++; if(j) { clr = _col.eval(j / (len - 1)); clr = colorMultiply(bld, clr); draw_set_color(clr); draw_line_width2(os.x, os.y, ns.x, ns.y, ot, nt, 3); } ot = nt; os = ns; h1[j] = [ nt, clr ]; } if(_chd && (i > 0 || _strand.loop)) { var hair0 = i == 0? hairs[array_length(hairs) - 1] : hairs[i - 1]; for( var j = 1; j < _chd + 1; j++ ) { var lrp = j / (_chd + 1); var ox, oy, nx, ny, ot, nt, oc, nc; for( var k = 0; k < len; k++ ) { var nx0 = hair0.points[k].x; var ny0 = hair0.points[k].y; var nx1 = hair.points[k].x; var ny1 = hair.points[k].y; nx = lerp(nx0, nx1, lrp); ny = lerp(ny0, ny1, lrp); if(k) { ot = i == 0? h1[k][0] : h0[k][0]; nt = h1[k][0]; oc = i == 0? h1[k][1] : h0[k][1]; nc = h1[k][1]; draw_set_color(merge_color(oc, nc, lrp)); draw_line_width2(ox, oy, nx, ny, ot, nt, 3); } ox = nx; oy = ny; } } } h0 = array_clone(h1); } } surface_reset_target(); cacheCurrentFrame(_surf); } }