Pixel-Composer/scripts/node_strand_create/node_strand_create.gml
Tanasart 782e6d8e1a p4
2024-08-20 15:15:53 +07:00

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function Node_Strand_Create(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Strand Create";
color = COLORS.node_blend_strand;
icon = THEME.strandSim;
setDimension(96, 48);;
update_on_frame = true;
manual_ungroupable = false;
newInput(0, nodeValue_Enum_Scroll("Type", self, 0, [ "Point", "Path", "Mesh" ]));
newInput(1, nodeValue_Int("Density", self, 8, "How many strands to generate."));
newInput(2, nodeValue_Vec2("Length", self, [ 4, 4 ]));
newInput(3, nodeValue_Int("Segment", self, 4));
newInput(4, nodeValue_Float("Elasticity", self, 0.05, "Length preservation, the higher the value the easier it is to stretch each segment."))
.setDisplay(VALUE_DISPLAY.slider);
newInput(5, nodeValue_PathNode("Path", self, noone));
newInput(6, nodeValue_Vec2("Position", self, [ 0, 0 ]));
newInput(7, nodeValue_Enum_Button("Side", self, 0, [ "Inner", "Outer", "Both" ]));
newInput(8, nodeValue_Float("Spring", self, 0.8, "Angular stiffness, the higher the value the easier it is to bend each segment."))
.setDisplay(VALUE_DISPLAY.slider);
newInput(9, nodeValue_Float("Structure", self, 0.2, "The ability to keep its original shape."))
.setDisplay(VALUE_DISPLAY.slider);
newInput(10, nodeValue_Int("Seed", self, seed_random(6)))
.setDisplay(VALUE_DISPLAY._default, { side_button : button(function() { randomize(); inputs[10].setValue(seed_random(6)); }).setIcon(THEME.icon_random, 0, COLORS._main_icon) });
newInput(11, nodeValue_Float("Curl frequency", self, 0));
newInput(12, nodeValue_Float("Curliness", self, 1))
.setDisplay(VALUE_DISPLAY.slider);
newInput(13, nodeValue("Mesh", self, CONNECT_TYPE.input, VALUE_TYPE.mesh, noone));
newInput(14, nodeValue_Enum_Scroll("Distribution", self, 0, [ "Uniform", "Random" ]));
newInput(15, nodeValue_Trigger("Bake hair", self, false, "Prevent strand reseting to apply manual modification. Unbaking will remove all changes."))
.setDisplay(VALUE_DISPLAY.button, { name: "Bake", UI : true, onClick: function() {
attributes.use_groom = !attributes.use_groom;
if(attributes.use_groom)
groomed = strands.clone();
strandUpdate(true);
} });
newInput(16, nodeValue_Bool("View fix hair", self, false));
newInput(17, nodeValue_Vec2("Root strength", self, [-1, -1]))
.setTooltip("The force required to break strand from its root. Set to -1 to make strand infinitely strong.");
outputs[0] = nodeValue_Output("Strand", self, VALUE_TYPE.strands, noone);
input_display_list = [ 10,
["Generation", false], 0, 1, 5, 6, 7, 13, 14, 15,
["Strand", false], 2, 3, 4, 8, 9, 17,
["Curl", false], 11, 12,
["Preview", true], 16,
];
attributes.use_groom = false;
groomed = new StrandMesh();
strands = new StrandMesh();
#region ---- tools ----
tool_push = new NodeTool( "Push", THEME.strand_push )
.addSetting("Radius", VALUE_TYPE.float, function(val) { tool_push.attribute.radius = val; }, "radius", 6)
.addSetting("Strength", VALUE_TYPE.float, function(val) { tool_push.attribute.strength = val; }, "strength", 0.2)
.addSetting("Falloff", VALUE_TYPE.float, function(val) { tool_push.attribute.fall = val; }, "fall", 0.1)
.addSetting("Fix length", VALUE_TYPE.boolean, function() { tool_push.attribute.fix = !tool_push.attribute.fix; }, "fix", false)
tool_comb = new NodeTool( "Comb", THEME.strand_comb )
.addSetting("Width", VALUE_TYPE.float, function(val) { tool_comb.attribute.width = val; }, "width", 8)
.addSetting("Thick", VALUE_TYPE.float, function(val) { tool_comb.attribute.thick = val; }, "thick", 4)
.addSetting("Strength", VALUE_TYPE.float, function(val) { tool_comb.attribute.strength = val; }, "strength", 0.75)
tool_stretch = new NodeTool( "Stretch", THEME.strand_stretch )
.addSetting("Radius", VALUE_TYPE.float, function(val) { tool_stretch.attribute.radius = val; }, "radius", 6)
.addSetting("Strength", VALUE_TYPE.float, function(val) { tool_stretch.attribute.strength = val; }, "strength", 0.5)
.addSetting("Falloff", VALUE_TYPE.float, function(val) { tool_stretch.attribute.fall = val; }, "fall", 0.1)
tool_cut = new NodeTool( "Shorten", THEME.strand_cut )
.addSetting("Radius", VALUE_TYPE.float, function(val) { tool_cut.attribute.radius = val; }, "radius", 6)
.addSetting("Strength", VALUE_TYPE.float, function(val) { tool_cut.attribute.strength = val; }, "strength", 0.5)
.addSetting("Falloff", VALUE_TYPE.float, function(val) { tool_cut.attribute.fall = val; }, "fall", 0.1)
tool_grab = new NodeTool( "Grab", THEME.strand_grab )
.addSetting("Radius", VALUE_TYPE.float, function(val) { tool_grab.attribute.radius = val; }, "radius", 4)
.addSetting("Strength", VALUE_TYPE.float, function(val) { tool_grab.attribute.strength = val; }, "strength", 1)
.addSetting("Falloff", VALUE_TYPE.float, function(val) { tool_grab.attribute.fall = val; }, "fall", 0.2)
groomTools = [
tool_push,
tool_comb,
tool_stretch,
tool_cut,
tool_grab,
];
tool_dragging = noone;
tool_mx = 0;
tool_my = 0;
tool_dmx = 0;
tool_dmy = 0;
tool_dir = 0;
tool_dir_fix = 0;
tool_dir_to = 0;
tool_grabbing = [];
#endregion
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) { #region
var _typ = getInputData(0);
var _pre = getInputData(16);
if(!attributes.use_groom)
strands.draw(_x, _y, _s, _pre);
tools = attributes.use_groom? groomTools : -1;
if(_typ == 0) {
if(tool_dragging == noone)
inputs[6].drawOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny);
} else if(_typ == 1) {
var _pth = getInputData(5);
var _sid = getInputData(7);
if(!struct_has(_pth, "getPointRatio")) return;
var lines = struct_has(_pth, "getLineCount")? _pth.getLineCount() : 1;
draw_set_color(COLORS._main_accent);
var ox, oy, nx, ny;
for( var l = 0; l < lines; l++ )
for( var i = 0; i < 32; i++ ) {
var _p = _pth.getPointRatio(i / 32, l);
nx = _x + _p.x * _s;
ny = _y + _p.y * _s;
if(i) draw_line(ox, oy, nx, ny);
ox = nx;
oy = ny;
}
} else if(_typ == 2) {
var _msh = getInputData(13);
if(_msh == noone) return;
draw_set_color(COLORS._main_accent);
_msh.draw(_x, _y, _s);
}
if(!attributes.use_groom) return;
groomed.draw(_x, _y, _s, _pre, true);
var __mx = (_mx - _x) / _s;
var __my = (_my - _y) / _s;
if(tool_dmx != __mx || tool_dmy != __my) {
tool_dir_to = point_direction(tool_dmx, tool_dmy, __mx, __my);
tool_dir = lerp_angle(tool_dir, tool_dir_to, 10);
}
if(tool_dragging == tool_push) {
var rad = tool_push.attribute.radius;
var fall = tool_push.attribute.fall;
var fix = tool_push.attribute.fix;
var stn = tool_push.attribute.strength;
var dx = __mx - tool_mx;
var dy = __my - tool_my;
if(dx != 0 || dy != 0)
for( var i = 0, n = array_length(groomed.hairs); i < n; i++ ) {
var h = groomed.hairs[i];
for( var j = 1; j < array_length(h.points); j++ ) {
var p = h.points[j];
var d = point_distance(p.x, p.y, __mx, __my);
if(d > rad * (1 + fall)) continue;
var fl = 1 - clamp((d - rad * (1 + fall)) / (rad * fall * 2), 0, 1);
p.x += dx * stn * fl;
p.y += dy * stn * fl;
}
}
tool_mx = __mx;
tool_my = __my;
if(mouse_release(mb_left)) {
groomed.freeze(fix);
tool_dragging = noone;
}
} else if(tool_dragging == tool_comb) {
var wid = tool_comb.attribute.width;
var thk = tool_comb.attribute.thick;
var stn = tool_comb.attribute.strength;
stn = power(stn, 2);
var p0x = __mx + lengthdir_x(wid, tool_dir_fix + 90);
var p0y = __my + lengthdir_y(wid, tool_dir_fix + 90);
var p1x = __mx + lengthdir_x(wid, tool_dir_fix - 90);
var p1y = __my + lengthdir_y(wid, tool_dir_fix - 90);
if(tool_dmx != __mx || tool_dmy != __my)
for( var i = 0, n = array_length(groomed.hairs); i < n; i++ ) {
var h = groomed.hairs[i];
var op, np;
for( var j = 0; j < array_length(h.points); j++ ) {
np = h.points[j];
np.targetAngle = tool_dir_fix;
var dst = distance_to_line(np.x, np.y, p0x, p0y, p1x, p1y);
if(j) {
var dir = np.storeAngle;
var dis = np.storeDistance;
var ang = dst < thk? lerp_angle_direct(dir, tool_dir_fix, lerp(stn, 1, (1 - dst) / thk)) : dir;
np.storeAngle = ang;
np.x = op.x + lengthdir_x(dis, np.storeAngle);
np.y = op.y + lengthdir_y(dis, np.storeAngle);
}
op = np;
}
}
if(mouse_release(mb_left)) {
groomed.freeze(true);
tool_dragging = noone;
}
} else if(tool_dragging == tool_stretch || tool_dragging == tool_cut) {
var rad = tool_dragging.attribute.radius;
var fall = tool_dragging.attribute.fall;
var stn = tool_dragging.attribute.strength;
stn = tool_dragging == tool_stretch? stn / game_get_speed(gamespeed_fps) : stn / 10;
for( var i = 0, n = array_length(groomed.hairs); i < n; i++ ) {
var h = groomed.hairs[i];
var op, np;
var amo = array_length(h.points);
var l = [];
for( var j = 0; j < amo; j++ ) {
np = h.points[j];
if(j) l[j] = point_distance(op.x, op.y, np.x, np.y);
op = np;
}
for( var j = 0; j < amo; j++ ) {
var ind = tool_dragging == tool_stretch? j : amo - 1 - j;
np = h.points[ind];
if(j) {
var dir = point_direction(op.x, op.y, np.x, np.y);
var dis = l[ind];
var mds = point_distance(__mx, __my, (op.x + np.x) / 2, (op.y + np.y) / 2);
if(mds < rad * (1 + fall)) {
var fl = clamp((rad * (1 + fall) - mds) / (rad * fall * 2), 0, 1);
var st = dis * (1 + fl * stn * (tool_dragging == tool_stretch? 1 : -1));
if(tool_dragging == tool_stretch)
l[j] = st;
else
l[amo - 1 - j] = st;
//print(string(st) + ": " + string(dis) + ", " +
// string(1 + fl * stn * (tool_dragging == 2? 1 : -1)));
}
}
op = np;
}
for( var j = 0; j < amo; j++ ) {
np = h.points[j];
if(j) {
var dr = point_direction(op.x, op.y, np.x, np.y);
np.x = op.x + lengthdir_x(l[j], dr);
np.y = op.y + lengthdir_y(l[j], dr);
}
op = np;
}
}
if(mouse_release(mb_left)) {
groomed.freeze(false);
tool_dragging = noone;
}
} else if(tool_dragging == tool_grab) {
var rad = tool_grab.attribute.radius;
var stn = tool_grab.attribute.strength;
var dx = __mx - tool_mx;
var dy = __my - tool_my;
if(dx != 0 || dy != 0)
for( var i = 0, n = array_length(tool_grabbing); i < n; i++ ) {
var h = tool_grabbing[i][0];
var p = tool_grabbing[i][1];
var inf = tool_grabbing[i][2];
p.ikx = p.x + dx * inf;
p.iky = p.y + dy * inf;
h.FABRIK(4);
}
tool_mx = __mx;
tool_my = __my;
if(mouse_release(mb_left)) {
groomed.freeze(true);
tool_dragging = noone;
}
}
if(isUsingTool(0)) {
var rad = tool_push.attribute.radius;
var fall = tool_push.attribute.fall;
draw_set_color(COLORS._main_accent);
draw_circle_prec(_mx, _my, rad * _s, true);
draw_circle_dash(_mx, _my, rad * _s * (1 - fall), true);
draw_circle_dash(_mx, _my, rad * _s * (1 + fall), true);
if(mouse_press(mb_left, active)) {
tool_dragging = tool_push;
tool_mx = (_mx - _x) / _s;
tool_my = (_my - _y) / _s;
}
} else if(isUsingTool(1)) {
if(tool_dragging == noone)
tool_dir_fix = tool_dir;
var wid = tool_comb.attribute.width;
var thk = tool_comb.attribute.thick;
var p0x = _mx + lengthdir_x(wid * _s, tool_dir_fix + 90);
var p0y = _my + lengthdir_y(wid * _s, tool_dir_fix + 90);
var p1x = _mx + lengthdir_x(wid * _s, tool_dir_fix - 90);
var p1y = _my + lengthdir_y(wid * _s, tool_dir_fix - 90);
draw_set_color(COLORS._main_accent);
draw_line(p0x, p0y, p1x, p1y);
var _p0x = p0x + lengthdir_x(thk * _s, tool_dir_fix);
var _p0y = p0y + lengthdir_y(thk * _s, tool_dir_fix);
var _p1x = p1x + lengthdir_x(thk * _s, tool_dir_fix);
var _p1y = p1y + lengthdir_y(thk * _s, tool_dir_fix);
draw_line_dashed(_p0x, _p0y, _p1x, _p1y);
var __p0x = p0x - lengthdir_x(thk * _s, tool_dir_fix);
var __p0y = p0y - lengthdir_y(thk * _s, tool_dir_fix);
var __p1x = p1x - lengthdir_x(thk * _s, tool_dir_fix);
var __p1y = p1y - lengthdir_y(thk * _s, tool_dir_fix);
draw_line_dashed(__p0x, __p0y, __p1x, __p1y);
draw_line_dashed(_p0x, _p0y, __p0x, __p0y);
draw_line_dashed(_p1x, _p1y, __p1x, __p1y);
if(mouse_press(mb_left, active)) {
groomed.store();
tool_dragging = tool_comb;
tool_mx = (_mx - _x) / _s;
tool_my = (_my - _y) / _s;
}
} else if(isUsingTool(2) || isUsingTool(3)) {
var rad = isUsingTool(2)? tool_stretch.attribute.radius : tool_cut.attribute.radius;
var fall = isUsingTool(2)? tool_stretch.attribute.fall : tool_cut.attribute.fall;
draw_set_color(COLORS._main_accent);
draw_circle_prec(_mx, _my, rad * _s, true);
draw_circle_dash(_mx, _my, rad * _s * (1 - fall), true);
draw_circle_dash(_mx, _my, rad * _s * (1 + fall), true);
if(mouse_press(mb_left, active)) {
tool_dragging = isUsingTool(2)? tool_stretch : tool_cut;
tool_mx = (_mx - _x) / _s;
tool_my = (_my - _y) / _s;
}
} else if(isUsingTool(4)) {
var rad = tool_grab.attribute.radius;
var fall = tool_grab.attribute.fall;
draw_set_color(COLORS._main_accent);
draw_circle_prec(_mx, _my, rad * _s, true);
draw_circle_dash(_mx, _my, rad * _s * (1 - fall), true);
draw_circle_dash(_mx, _my, rad * _s * (1 + fall), true);
if(mouse_press(mb_left, active)) {
tool_dragging = tool_grab;
tool_mx = (_mx - _x) / _s;
tool_my = (_my - _y) / _s;
tool_grabbing = [];
for( var i = 0, n = array_length(groomed.hairs); i < n; i++ ) {
var h = groomed.hairs[i];
var p = h.points[array_length(h.points) - 1];
var d = point_distance(p.x, p.y, tool_mx, tool_my);
if(d > rad * (1 + fall)) continue;
var fl = clamp((rad * (1 + fall) - d) / (rad * fall * 2), 0, 1);
array_push(tool_grabbing, [ h, p, fl ]);
}
}
}
tool_dmx = __mx;
tool_dmy = __my;
} #endregion
static step = function() { #region
var _typ = getInputData(0);
inputs[ 5].setVisible(_typ == 1, _typ == 1);
inputs[ 7].setVisible(_typ == 1);
inputs[13].setVisible(_typ == 2, _typ == 2);
inputs[14].setVisible(_typ != 2);
inputs[15].editWidget.text = attributes.use_groom? "Unbake" : "Bake";
inputs[15].editWidget.blend = attributes.use_groom? COLORS._main_value_negative : COLORS._main_value_positive;
} #endregion
static strandUpdate = function(willReset = false) { #region
var _typ = getInputData(0);
var _den = getInputData(1);
var _len = getInputData(2);
var _seg = getInputData(3); _seg = _seg + 1;
var _ten = getInputData(4); _ten = 1 - _ten;
var _pth = getInputData(5);
var _pos = getInputData(6);
var _sid = getInputData(7);
var _spr = getInputData(8);
var _ang = getInputData(9);
var _sed = getInputData(10);
var _crF = getInputData(11);
var _crS = getInputData(12);
var _msh = getInputData(13);
var _rnd = getInputData(14);
var _rot = getInputData(17);
var sx, sy, prog, dir;
if(willReset) {
if(attributes.use_groom) {
strands = groomed.clone();
outputs[0].setValue(strands);
return;
}
strands = new StrandMesh();
}
outputs[0].setValue(strands);
if(_typ == 0)
strands.loop = true;
else if(_typ == 1) {
if(!struct_has(_pth, "getPointRatio"))
return;
var _p0 = _pth.getPointRatio(0);
var _p1 = _pth.getPointRatio(0.999);
strands.loop = abs(_p0.x - _p1.x) < 1 && abs(_p0.y - _p1.y) < 1;
} else if(_typ == 2) {
if(_msh == noone) return;
strands.mesh = _msh;
strands.loop = false;
}
var lines = 1;
if(_typ == 1 && struct_has(_pth, "getLineCount"))
lines = _pth.getLineCount();
var ind = 0;
for( var k = 0; k < lines; k++ )
for( var i = 0; i < _den; i++ ) {
prog = i / _den;
if(_typ == 0) {
sx = _pos[0];
sy = _pos[1];
dir = _rnd? random1D(_sed, 0, 360) : 360 * prog; _sed++;
} else if(_typ == 1) {
var rat = _rnd? random1D(_sed) : prog; _sed++;
rat = clamp(rat, 0.01, 0.99);
var _p = _pth.getPointRatio(rat, k);
sx = _pos[0] + _p.x;
sy = _pos[1] + _p.y;
var _p0 = _pth.getPointRatio(clamp(rat - 0.001, 0, 1));
var _p1 = _pth.getPointRatio(clamp(rat + 0.001, 0, 1));
dir = point_direction(_p0.x, _p0.y, _p1.x, _p1.y) + 90;
if(_sid == 1) dir += 180;
else if(_sid == 2) dir += 180 * (_rnd? choose(0, 1) : i % 2);
} else if(_typ == 2) {
var _p = strands.mesh.getRandomPoint(_sed); _sed += 5;
sx = _pos[0] + _p.x;
sy = _pos[1] + _p.y;
dir = irandom(360);
}
if(willReset || array_safe_get_fast(strands.hairs, i, noone) == noone) {
var h = new Strand(sx, sy, _seg, random_range(_len[0], _len[1]), dir, _crF, _crS);
h.rootStrength = random1D(h.id, _rot[0], _rot[1]);
strands.hairs[ind] = h;
}
if(ind >= array_length(strands.hairs)) return;
var h = strands.hairs[ind];
h.setOrigin(sx, sy);
h.tension = _ten;
h.spring = _spr;
h.angularTension = _ang;
h.curl_freq = _crF;
h.curl_size = _crS;
ind++;
}
} #endregion
static update = function(frame = CURRENT_FRAME) { #region
strandUpdate(IS_FIRST_FRAME);
} #endregion
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) { #region
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(s_node_strandSim_create, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
} #endregion
static attributeSerialize = function() { #region
var att = {};
att.use_groom = attributes.use_groom;
att.fixStrand = groomed.serialize();
return att;
} #endregion
static attributeDeserialize = function(attr) { #region
struct_append(attributes, attr);
if(struct_has(attr, "fixStrand"))
groomed.deserialize(attr.fixStrand);
attributes.use_groom = struct_try_get(attr, "use_groom", false);
} #endregion
}