mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-15 06:53:59 +01:00
636 lines
17 KiB
Plaintext
636 lines
17 KiB
Plaintext
function __Bone(_parent = noone, distance = 0, direction = 0, angle = 0, length = 0, node = noone) constructor {
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ID = UUID_generate();
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name = "New bone";
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self.distance = distance;
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self.direction = direction;
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self.angle = angle;
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self.length = length;
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self.node = node;
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init_length = length;
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init_angle = angle;
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init_direction = 0;
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init_distance = 0;
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pose_angle = 0;
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pose_scale = 1;
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pose_posit = [ 0, 0 ];
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pose_local_angle = 0;
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pose_local_scale = 1;
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pose_local_posit = [ 0, 0 ];
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angular_constrain = -1;
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bone_head_init = new __vec2();
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bone_head_pose = new __vec2();
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bone_tail_init = new __vec2();
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bone_tail_pose = new __vec2();
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apply_scale = true;
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apply_rotation = true;
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childs = [];
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is_main = false;
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parent_anchor = true;
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tb_name = new textBox(TEXTBOX_INPUT.text, function(_name) /*=>*/ { name = _name; if(node) node.triggerRender(); });
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tb_name.font = f_p2;
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tb_name.hide = true;
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updated = false;
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IKlength = 0;
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IKTargetID = "";
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IKTarget = noone;
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freeze_data = {};
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parent = _parent;
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if(parent != noone) {
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distance = parent.length;
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direction = parent.angle;
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}
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static addChild = function(bone) {
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array_push(childs, bone);
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bone.parent = self;
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return self;
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}
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static childCount = function() {
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var amo = array_length(childs);
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for( var i = 0, n = array_length(childs); i < n; i++ )
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amo += childs[i].childCount();
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return amo;
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}
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static freeze = function() {
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freeze_data = { angle, length, distance, direction };
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for( var i = 0, n = array_length(childs); i < n; i++ )
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childs[i].freeze();
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}
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static findBone = function(_id) {
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if(ID == _id)
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return self;
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for( var i = 0, n = array_length(childs); i < n; i++ ) {
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var b = childs[i].findBone(_id);
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if(b != noone)
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return b;
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}
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return noone;
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}
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static findBoneByName = function(_name) {
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//print($"Print {string_length(string_trim(name))} : {string_length(string_trim(_name))}");
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if(string_trim(name) == string_trim(_name))
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return self;
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for( var i = 0, n = array_length(childs); i < n; i++ ) {
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var b = childs[i].findBoneByName(_name);
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if(b != noone)
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return b;
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}
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return noone;
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}
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static getHead = function(pose = true) { return pose? bone_head_pose.clone() : bone_head_init.clone(); }
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static getTail = function(pose = true) { return pose? bone_tail_pose.clone() : bone_tail_init.clone(); }
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static getPoint = function(progress, pose = true) {
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var _len = pose? length : init_length;
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var _ang = pose? angle : init_angle;
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var _dir = pose? direction : init_direction;
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var _dis = pose? distance : init_distance;
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var len = _len * progress;
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var _dx = lengthdir_x(_dis, _dir), _dy = lengthdir_y(_dis, _dir);
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var _lx = lengthdir_x( len, _ang), _ly = lengthdir_y( len, _ang);
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if(parent == noone)
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return new __vec2(_dx, _dy)
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.addElement(_lx, _ly);
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if(parent_anchor)
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return parent.getTail(pose)
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.addElement(_lx, _ly);
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return parent.getHead(pose)
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.addElement(_dx, _dy)
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.addElement(_lx, _ly);
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}
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static draw = function(attributes, edit = false, _x = 0, _y = 0, _s = 1, _mx = 0, _my = 0, _hover = noone, _select = noone, _blend = c_white, _alpha = 1) {
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var hover = _drawBone(attributes, edit, _x, _y, _s, _mx, _my, _hover, _select, _blend, _alpha);
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drawControl(attributes);
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return hover;
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}
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control_x0 = 0; control_y0 = 0; control_i0 = 0;
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control_x1 = 0; control_y1 = 0; control_i1 = 0;
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static _drawBone = function(attributes, edit = false, _x = 0, _y = 0, _s = 1, _mx = 0, _my = 0, _hover = noone, _select = noone, _blend = c_white, _alpha = 1) {
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var hover = noone;
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control_x0 = _x + bone_head_pose.x * _s;
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control_y0 = _y + bone_head_pose.y * _s;
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control_x1 = _x + bone_tail_pose.x * _s;
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control_y1 = _y + bone_tail_pose.y * _s;
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if(parent != noone) {
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var h = __drawBoneUI(attributes, edit, _x, _y, _s, _mx, _my, _hover, _select, _blend, _alpha);
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if(h != noone) hover = h;
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}
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for( var i = 0, n = array_length(childs); i < n; i++ ) {
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var h = childs[i]._drawBone(attributes, edit, _x, _y, _s, _mx, _my, _hover, _select, _blend, _alpha);
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if(hover == noone && h != noone)
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hover = h;
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}
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return hover;
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}
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static __drawBoneUI = function(attributes, edit = false, _x = 0, _y = 0, _s = 1, _mx = 0, _my = 0, _hover = noone, _select = noone, _blend = c_white, _alpha = 1) {
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var hover = noone;
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var p0x = _x + bone_head_pose.x * _s;
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var p0y = _y + bone_head_pose.y * _s;
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var p1x = _x + bone_tail_pose.x * _s;
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var p1y = _y + bone_tail_pose.y * _s;
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if(_select && _select.ID == self.ID) {
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draw_set_color(COLORS._main_value_positive);
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draw_set_alpha(0.75 * _alpha);
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} else if(_hover != noone && _hover[0].ID == self.ID && _hover[1] == 2) {
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draw_set_color(c_white);
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draw_set_alpha(1 * _alpha);
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} else {
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draw_set_color(COLORS._main_accent);
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draw_set_alpha(0.75 * _alpha);
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}
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if(IKlength == 0) {
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if(angular_constrain != -1) {
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var _a0 = init_angle - angular_constrain;
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var _a1 = init_angle + angular_constrain;
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var ox, oy, nx, ny;
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for( var i = 0; i <= 32; i++ ) {
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var _t = lerp(_a0, _a1, i / 32);
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nx = p0x + lengthdir_x(32 * _s, _t);
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ny = p0y + lengthdir_y(32 * _s, _t);
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if(i == 0) draw_line(p0x, p0y, nx, ny);
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if(i == 32) draw_line(p0x, p0y, nx, ny);
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if(i) draw_line(ox, oy, nx, ny);
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ox = nx;
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oy = ny;
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}
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}
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if(pose_angle != 0) {
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var nx = p0x + lengthdir_x(16, angle + pose_angle);
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var ny = p0y + lengthdir_y(16, angle + pose_angle);
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draw_line_width(p0x, p0y, nx, ny, 2);
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}
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if(!parent_anchor && parent.parent != noone) {
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var _p = parent.getHead();
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var _px = _x + _p.x * _s;
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var _py = _y + _p.y * _s;
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draw_line_dashed(_px, _py, p0x, p0y, 2, 8);
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}
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if(attributes.display_bone == 0) {
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var _ppx = lerp(p0x, p1x, 0.2);
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var _ppy = lerp(p0y, p1y, 0.2);
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var _prr = point_direction(p0x, p0y, p1x, p1y) + 90;
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var _prx = lengthdir_x(6 * pose_scale, _prr);
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var _pry = lengthdir_y(6 * pose_scale, _prr);
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draw_primitive_begin(pr_trianglelist);
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draw_vertex(p0x, p0y);
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draw_vertex(_ppx, _ppy);
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draw_vertex(_ppx + _prx, _ppy + _pry);
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draw_vertex(p0x, p0y);
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draw_vertex(_ppx, _ppy);
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draw_vertex(_ppx - _prx, _ppy - _pry);
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draw_vertex(p1x, p1y);
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draw_vertex(_ppx, _ppy);
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draw_vertex(_ppx + _prx, _ppy + _pry);
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draw_vertex(p1x, p1y);
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draw_vertex(_ppx, _ppy);
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draw_vertex(_ppx - _prx, _ppy - _pry);
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draw_primitive_end();
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if((edit & 0b100) && distance_to_line(_mx, _my, p0x, p0y, p1x, p1y) <= 12) //drag bone
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hover = [ self, 2, bone_head_pose ];
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} else if(attributes.display_bone == 1) {
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draw_line_width(p0x, p0y, p1x, p1y, 3);
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if((edit & 0b100) && distance_to_line(_mx, _my, p0x, p0y, p1x, p1y) <= 6) //drag bone
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hover = [ self, 2, bone_head_pose ];
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}
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} else {
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draw_set_color(c_white);
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if(!parent_anchor && parent.parent != noone) {
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var _p = parent.getTail();
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var _px = _x + _p.x * _s;
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var _py = _y + _p.y * _s;
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draw_line_dashed(_px, _py, p0x, p0y, 1);
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}
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draw_sprite_ui(THEME.preview_bone_IK, 0, p0x, p0y,,,, COLORS._main_accent, draw_get_alpha());
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if((edit & 0b100) && point_in_circle(_mx, _my, p0x, p0y, 24))
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hover = [ self, 2, bone_head_pose ];
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}
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draw_set_alpha(1);
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if(attributes.display_name && IKlength == 0) {
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if(abs(p0y - p1y) < abs(p0x - p1x)) {
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draw_set_text(f_p3, fa_center, fa_bottom, COLORS._main_accent);
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draw_text_add((p0x + p1x) / 2, (p0y + p1y) / 2 - 4, name);
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} else {
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draw_set_text(f_p3, fa_left, fa_center, COLORS._main_accent);
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draw_text_add((p0x + p1x) / 2 + 4, (p0y + p1y) / 2, name);
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}
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}
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if(IKlength == 0) {
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if(!parent_anchor) {
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control_i0 = (_hover != noone && _hover[0] == self && _hover[1] == 0)? 0 : 2;
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if((edit & 0b001) && point_in_circle(_mx, _my, p0x, p0y, ui(16))) //drag head
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hover = [ self, 0, bone_head_pose ];
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}
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control_i1 = (_hover != noone && _hover[0] == self && _hover[1] == 1)? 0 : 2;
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if((edit & 0b010) && point_in_circle(_mx, _my, p1x, p1y, ui(16))) //drag tail
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hover = [ self, 1, bone_tail_pose ];
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}
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return hover;
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}
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static drawControl = function(attributes) {
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if(parent != noone && IKlength == 0) {
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var spr, ind0, ind1;
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if(attributes.display_bone == 0) {
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if(!parent_anchor)
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draw_sprite_colored(THEME.anchor_selector, control_i0, control_x0, control_y0);
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draw_sprite_colored(THEME.anchor_selector, control_i1, control_x1, control_y1);
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} else {
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if(!parent_anchor)
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draw_sprite_ext(THEME.anchor_bone_stick, control_i0 / 2, control_x0, control_y0, 1, 1, 0, COLORS._main_accent, 1);
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draw_sprite_ext(THEME.anchor_bone_stick, control_i1 / 2, control_x1, control_y1, 1, 1, 0, COLORS._main_accent, 1);
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}
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}
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for( var i = 0, n = array_length(childs); i < n; i++ )
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childs[i].drawControl(attributes);
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}
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static resetPose = function() {
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pose_angle = 0;
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pose_scale = 1;
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pose_posit = [ 0, 0 ];
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init_direction = direction;
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init_distance = distance;
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for( var i = 0, n = array_length(childs); i < n; i++ )
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childs[i].resetPose();
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}
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static setPosition = function() {
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bone_head_init = getPoint(0, false);
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bone_head_pose = getPoint(0, true);
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bone_tail_init = getPoint(1, false);
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bone_tail_pose = getPoint(1, true);
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for( var i = 0, n = array_length(childs); i < n; i++ )
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childs[i].setPosition();
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}
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static setPose = function(_position = [ 0, 0 ], _angle = 0, _scale = 1, _ik = true) {
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setPosition();
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setPoseTransform(_position, _angle, _scale);
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if(_ik) {
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setPosition();
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setIKconstrain();
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}
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setPosition();
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}
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static setPoseTransform = function(_position = [ 0, 0 ], _angle = 0, _scale = 1) {
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if(is_main) {
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for( var i = 0, n = array_length(childs); i < n; i++ )
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childs[i].setPoseTransform(_position, _angle, _scale);
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return;
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}
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pose_posit[0] += _position[0];
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pose_posit[1] += _position[1];
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if(apply_rotation) pose_angle += _angle;
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if(apply_scale) pose_scale *= _scale;
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if(angular_constrain != -1) pose_angle = clamp(pose_angle, -angular_constrain, angular_constrain);
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pose_local_angle = pose_angle;
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pose_local_scale = pose_scale;
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pose_local_posit = pose_posit;
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var _x = lengthdir_x(distance, direction) + pose_posit[0];
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var _y = lengthdir_y(distance, direction) + pose_posit[1];
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direction = point_direction(0, 0, _x, _y) + _angle;
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distance = point_distance(0, 0, _x, _y) * _scale;
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init_length = length;
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init_angle = angle;
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angle += pose_angle;
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length *= pose_scale;
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for( var i = 0, n = array_length(childs); i < n; i++ )
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childs[i].setPoseTransform(_position, pose_angle, pose_scale);
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}
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static setIKconstrain = function() {
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if(IKlength > 0 && IKTarget != noone) {
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var points = array_create(IKlength + 1);
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var lengths = array_create(IKlength);
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var bones = array_create(IKlength);
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var bn = IKTarget;
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for( var i = IKlength; i > 0; i-- ) {
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var _p = bn.getTail();
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bones[i - 1] = bn;
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points[i] = { x: _p.x, y: _p.y };
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bn = bn.parent;
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}
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_p = bn.getTail();
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points[0] = { x: _p.x, y: _p.y };
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for( var i = 0; i < IKlength; i++ ) {
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var p0 = points[i];
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var p1 = points[i + 1];
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lengths[i] = point_distance(p0.x, p0.y, p1.x, p1.y);
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}
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var p = parent.getHead();
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var px = p.x + lengthdir_x(distance, direction);
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var py = p.y + lengthdir_y(distance, direction);
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FABRIK(bones, points, lengths, px, py);
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}
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for( var i = 0, n = array_length(childs); i < n; i++ )
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childs[i].setIKconstrain();
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}
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FABRIK_result = [];
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static FABRIK = function(bones, points, lengths, dx, dy) {
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var threshold = 0.01;
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var _bo = array_create(array_length(points));
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for( var i = 0, n = array_length(points); i < n; i++ )
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_bo[i] = { x: points[i].x, y: points[i].y };
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var sx = points[0].x;
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var sy = points[0].y;
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var itr = 0;
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do {
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FABRIK_backward(bones, points, lengths, dx, dy);
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FABRIK_forward(bones, points, lengths, sx, sy);
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var delta = 0;
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var _bn = array_create(array_length(points));
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for( var i = 0, n = array_length(points); i < n; i++ ) {
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_bn[i] = { x: points[i].x, y: points[i].y };
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delta += point_distance(_bo[i].x, _bo[i].y, _bn[i].x, _bn[i].y);
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}
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_bo = _bn;
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if(++itr >= 64) break;
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} until(delta <= threshold);
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for( var i = 0, n = array_length(points) - 1; i < n; i++ ) {
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var _b = bones[i];
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var p0 = points[i];
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var p1 = points[i + 1];
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var dir = point_direction(p0.x, p0.y, p1.x, p1.y);
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var dis = point_distance( p0.x, p0.y, p1.x, p1.y);
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// _b.pose_scale = dis / _b.init_length;
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// _b.length = dis;
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// _b.pose_angle = dir - _b.init_angle;
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// _b.angle = _b.init_angle + _b.pose_angle;
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_b.angle = dir;
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FABRIK_result[i] = p0;
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}
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FABRIK_result[i] = p1;
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}
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static FABRIK_backward = function(bones, points, lengths, dx, dy) {
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var tx = dx;
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var ty = dy;
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for( var i = array_length(points) - 1; i > 0; i-- ) {
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var p1 = points[i];
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var p0 = points[i - 1];
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var len = lengths[i - 1];
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var dir = point_direction(tx, ty, p0.x, p0.y);
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p1.x = tx;
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p1.y = ty;
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p0.x = p1.x + lengthdir_x(len, dir);
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p0.y = p1.y + lengthdir_y(len, dir);
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tx = p0.x;
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ty = p0.y;
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}
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}
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static FABRIK_forward = function(bones, points, lengths, sx, sy) {
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var tx = sx;
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var ty = sy;
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for( var i = 0, n = array_length(points) - 1; i < n; i++ ) {
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var _b = bones[i];
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var p0 = points[i];
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var p1 = points[i + 1];
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var len = lengths[i];
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var dir = point_direction(tx, ty, p1.x, p1.y);
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if(_b.angular_constrain != -1) dir = clamp(dir, _b.init_angle - _b.angular_constrain, _b.init_angle + _b.angular_constrain);
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p0.x = tx;
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p0.y = ty;
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p1.x = p0.x + lengthdir_x(len, dir);
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p1.y = p0.y + lengthdir_y(len, dir);
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tx = p1.x;
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ty = p1.y;
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}
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}
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static __getBBOX = function() {
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var p0 = bone_head_pose;
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var p1 = bone_tail_pose;
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var x0 = min(p0.x, p1.x);
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var y0 = min(p0.y, p1.y);
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var x1 = max(p0.x, p1.x);
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var y1 = max(p0.y, p1.y);
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return [ x0, y0, x1, y1 ];
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}
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static bbox = function() {
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var _bbox = __getBBOX();
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//print($"BBOX: {_bbox}")
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for( var i = 0, n = array_length(childs); i < n; i++ ) {
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var _bbox_ch = childs[i].bbox();
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//print($"BBOX ch: {_bbox_ch}")
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|
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_bbox[0] = min(_bbox[0], _bbox_ch[0]);
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_bbox[1] = min(_bbox[1], _bbox_ch[1]);
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_bbox[2] = max(_bbox[2], _bbox_ch[2]);
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_bbox[3] = max(_bbox[3], _bbox_ch[3]);
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}
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return _bbox;
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|
}
|
|
|
|
static serialize = function() {
|
|
var bone = {};
|
|
|
|
bone.ID = ID;
|
|
bone.name = name;
|
|
bone.distance = distance;
|
|
bone.direction = direction;
|
|
bone.angle = angle;
|
|
bone.length = length;
|
|
|
|
bone.is_main = is_main;
|
|
bone.parent_anchor = parent_anchor;
|
|
|
|
bone.IKlength = IKlength;
|
|
bone.IKTargetID = IKTargetID;
|
|
|
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bone.apply_rotation = apply_rotation;
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|
bone.apply_scale = apply_scale;
|
|
|
|
bone.angular_constrain = angular_constrain;
|
|
|
|
bone.childs = [];
|
|
for( var i = 0, n = array_length(childs); i < n; i++ )
|
|
bone.childs[i] = childs[i].serialize();
|
|
|
|
return bone;
|
|
}
|
|
|
|
static deserialize = function(bone, node) {
|
|
ID = bone.ID;
|
|
name = bone.name;
|
|
distance = bone.distance;
|
|
direction = bone.direction;
|
|
angle = bone.angle;
|
|
length = bone.length;
|
|
|
|
is_main = bone.is_main;
|
|
parent_anchor = bone.parent_anchor;
|
|
|
|
self.node = node;
|
|
|
|
IKlength = bone.IKlength;
|
|
IKTargetID = struct_try_get(bone, "IKTargetID", "");
|
|
|
|
apply_rotation = bone.apply_rotation;
|
|
apply_scale = bone.apply_scale;
|
|
|
|
angular_constrain = struct_try_get(bone, "angular_constrain", -1);
|
|
angular_constrain = -1;
|
|
|
|
childs = [];
|
|
for( var i = 0, n = array_length(bone.childs); i < n; i++ ) {
|
|
var _b = new __Bone().deserialize(bone.childs[i], node);
|
|
addChild(_b);
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
static connect = function() {
|
|
IKTarget = noone;
|
|
if(parent != noone && IKTargetID != "")
|
|
IKTarget = parent.findBone(IKTargetID);
|
|
|
|
for( var i = 0, n = array_length(childs); i < n; i++ )
|
|
childs[i].connect();
|
|
}
|
|
|
|
static clone = function() {
|
|
var _b = new __Bone(parent, distance, direction, angle, length);
|
|
_b.ID = ID;
|
|
_b.name = name;
|
|
_b.is_main = is_main;
|
|
_b.parent_anchor = parent_anchor;
|
|
|
|
_b.IKlength = IKlength;
|
|
_b.IKTargetID = IKTargetID;
|
|
|
|
_b.apply_rotation = apply_rotation;
|
|
_b.apply_scale = apply_scale;
|
|
_b.angular_constrain = angular_constrain;
|
|
|
|
for( var i = 0, n = array_length(childs); i < n; i++ )
|
|
_b.addChild(childs[i].clone());
|
|
|
|
return _b;
|
|
}
|
|
|
|
static toString = function() { return $"Bone {name} [{ID}]"; }
|
|
|
|
static toArray = function(arr = []) {
|
|
if(!is_main) array_push(arr, self);
|
|
for( var i = 0, n = array_length(childs); i < n; i++ )
|
|
childs[i].toArray(arr);
|
|
|
|
return arr;
|
|
}
|
|
} |