Pixel-Composer/scripts/node_wrap_mesh/node_wrap_mesh.gml
2022-12-12 15:08:03 +07:00

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function Node_create_Mesh_Warp(_x, _y) {
var node = new Node_Mesh_Warp(_x, _y);
ds_list_add(PANEL_GRAPH.nodes_list, node);
return node;
}
function Node_Mesh_Warp(_x, _y) : Node(_x, _y) constructor {
name = "Mesh warp";
data = {
points : [[]],
tris : ds_list_create(),
links : ds_list_create()
}
inputs[| 0] = nodeValue(0, "Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue(1, "Sample", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 8)
.setDisplay(VALUE_DISPLAY.slider, [ 2, 32, 1 ] );
inputs[| 2] = nodeValue(2, "Spring force", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.5)
.setDisplay(VALUE_DISPLAY.slider, [ 0, 1, 0.01 ] );
inputs[| 3] = nodeValue(3, "Mesh", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.button, [ function() { setTriangle(); doUpdate(); }, "Generate"] );
inputs[| 4] = nodeValue(4, "Diagonal link", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
control_index = ds_list_size(inputs);
function createControl() {
var index = ds_list_size(inputs);
inputs[| index] = nodeValue(index, "Control point", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ PUPPET_FORCE_MODE.move, 16, 16, 8, 0, 8, 8])
.setDisplay(VALUE_DISPLAY.puppet_control)
array_push(input_display_list, index);
return inputs[| index];
}
outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
outputs[| 1] = nodeValue(1, "Mesh data", self, JUNCTION_CONNECT.output, VALUE_TYPE.object, data);
input_display_list = [
["Mesh", false], 0, 1, 2, 4, 3,
["Control points", false],
];
input_display_index = array_length(input_display_list);
tools = [
[ "Add / Remove control point", THEME.control_edit ],
[ "Pin, unpin mesh", [THEME.control_pin, THEME.control_unpin] ]
];
attributes[? "pin"] = ds_map_create();
static drawOverlay = function(active, _x, _y, _s, _mx, _my) {
for(var i = 0; i < ds_list_size(data.tris); i++) {
data.tris[| i].drawPoints(_x, _y, _s);
}
for(var i = 0; i < ds_list_size(data.links); i++) {
data.links[| i].draw(_x, _y, _s);
}
var hover = -1;
for(var i = control_index; i < ds_list_size(inputs); i++) {
if(inputs[| i].drawOverlay(active, _x, _y, _s, _mx, _my))
hover = i;
}
var _tool = PANEL_PREVIEW.tool_index;
var _sub_tool = PANEL_PREVIEW.tool_sub_index;
if(!active) return;
if(_tool == 0) {
if(mouse_press(mb_left)) {
if(hover == -1) {
var i = createControl();
i.setValue( [PUPPET_FORCE_MODE.move, (_mx - _x) / _s, (_my - _y) / _s, 0, 0, 8, 8] );
i.drag_type = 2;
i.drag_sx = 0;
i.drag_sy = 0;
i.drag_mx = _mx;
i.drag_my = _my;
} else {
ds_list_delete(inputs, hover);
array_delete(input_display_list, input_display_index + hover - control_index, 1);
}
reset();
control(input_display_list);
}
} else if(_tool == 1) {
draw_set_color(COLORS._main_accent);
var rad = 16;
draw_circle(_mx, _my, rad, true);
var _xx = (_mx - _x) / _s;
var _yy = (_my - _y) / _s;
if(mouse_click(mb_left)) {
for(var j = 0; j < ds_list_size(data.tris); j++) {
var t = data.tris[| j];
if(point_in_circle(t.p0.x, t.p0.y, _xx, _yy, rad / _s))
t.p0.setPin(!_sub_tool);
if(point_in_circle(t.p1.x, t.p1.y, _xx, _yy, rad / _s))
t.p1.setPin(!_sub_tool);
if(point_in_circle(t.p2.x, t.p2.y, _xx, _yy, rad / _s))
t.p2.setPin(!_sub_tool);
}
}
}
}
function point(node, index, _x, _y) constructor {
self.index = index;
self.node = node;
x = _x;
y = _y;
xp = x;
yp = y;
ndx = 0;
ndy = 0;
sx = x;
sy = y;
pin = ds_map_exists(node.attributes[? "pin"], index);
static reset = function() {
x = sx;
y = sy;
xp = x;
yp = y;
}
static draw = function(_x, _y, _s) {
if(pin) {
draw_set_color(COLORS._main_accent);
draw_circle(_x + x * _s, _y + y * _s, 3, false);
} else {
draw_set_color(COLORS.node_overlay_gizmo_inactive);
draw_circle(_x + x * _s, _y + y * _s, 2, false);
}
}
u = 0;
v = 0;
static mapTexture = function(ww, hh) {
u = x / ww;
v = y / hh;
}
static move = function(dx, dy) {
if(pin) return;
x += dx;
y += dy;
}
static planMove = function(dx, dy) {
if(pin) return;
ndx += dx;
ndy += dy;
}
static stepMove = function(rat) {
if(pin) return;
move(ndx * rat, ndy * rat);
}
static clearMove = function(rat) {
if(pin) return;
ndx = 0;
ndy = 0;
}
static setPin = function(pin) {
if(!pin && ds_map_exists(node.attributes[? "pin"], index))
ds_map_delete(node.attributes[? "pin"], index);
if(pin && !ds_map_exists(node.attributes[? "pin"], index))
ds_map_add(node.attributes[? "pin"], index, 1);
self.pin = pin;
}
}
function link(_p0, _p1) constructor {
p0 = _p0;
p1 = _p1;
k = 1;
len = point_distance(p0.x, p0.y, p1.x, p1.y);
static resolve = function() {
var _len = point_distance(p0.x, p0.y, p1.x, p1.y);
var _dir = point_direction(p0.x, p0.y, p1.x, p1.y);
var f = k * (_len - len);
var dx = lengthdir_x(f, _dir);
var dy = lengthdir_y(f, _dir);
p0.move( dx / 2, dy / 2);
p1.move(-dx / 2, -dy / 2);
}
static draw = function(_x, _y, _s) {
draw_set_color(c_red);
draw_line(_x + p0.x * _s, _y + p0.y * _s, _x + p1.x * _s, _y + p1.y * _s);
}
}
function triangle(_p0, _p1, _p2) constructor {
p0 = _p0;
p1 = _p1;
p2 = _p2;
static reset = function() {
p0.reset();
p1.reset();
p2.reset();
}
static initSurface = function(surf) {
p0.mapTexture(surface_get_width(surf), surface_get_height(surf));
p1.mapTexture(surface_get_width(surf), surface_get_height(surf));
p2.mapTexture(surface_get_width(surf), surface_get_height(surf));
}
static drawSurface = function(surf) {
draw_set_color(c_white);
draw_set_alpha(1);
draw_primitive_begin_texture(pr_trianglelist, surface_get_texture(surf));
draw_vertex_texture(p0.x, p0.y, p0.u, p0.v);
draw_vertex_texture(p1.x, p1.y, p1.u, p1.v);
draw_vertex_texture(p2.x, p2.y, p2.u, p2.v);
draw_primitive_end();
}
static drawPoints = function(_x, _y, _s) {
//draw_set_color(c_white);
//draw_triangle(_x + p0.x * _s, _y + p0.y * _s, _x + p1.x * _s, _y + p1.y * _s, _x + p2.x * _s, _y + p2.y * _s, false)
p0.draw(_x, _y, _s);
p1.draw(_x, _y, _s);
p2.draw(_x, _y, _s);
}
static contain = function(p) {
return p == p0 || p == p1 || p == p2;
}
}
static regularTri = function(surf) {
var sample = inputs[| 1].getValue();
var spring = inputs[| 2].getValue();
var diagon = inputs[| 4].getValue();
if(!inputs[| 0].value_from) return;
var ww = surface_get_width(surf);
var hh = surface_get_height(surf);
var gw = ww / sample;
var gh = hh / sample;
var cont = surface_create_valid(ww, hh)
surface_set_target(cont);
shader_set(sh_content_sampler);
var uniform_dim = shader_get_uniform(sh_content_sampler, "dimension");
var uniform_sam = shader_get_uniform(sh_content_sampler, "sampler");
shader_set_uniform_f_array(uniform_dim, [ww, hh]);
shader_set_uniform_f_array(uniform_sam, [gw, gh]);
draw_surface_safe(surf, 0, 0);
shader_reset();
surface_reset_target();
data.points = [[]];
ds_list_clear(data.tris);
ds_list_clear(data.links);
var ind = 0;
for(var i = 0; i <= sample; i++)
for(var j = 0; j <= sample; j++) {
var c0 = surface_getpixel(cont, j * gw, i * gh);
var c1 = surface_getpixel(cont, j * gw - 1, i * gh);
var c2 = surface_getpixel(cont, j * gw, i * gh - 1);
var c3 = surface_getpixel(cont, j * gw - 1, i * gh - 1);
if(c0 + c1 + c2 + c3 > 0) {
data.points[i][j] = new point(self, ind++, min(j * gw, ww), min(i * gh, hh));
if(i == 0) continue;
if(j && data.points[i - 1][j] != 0 && data.points[i][j - 1] != 0)
ds_list_add(data.tris, new triangle(data.points[i - 1][j], data.points[i][j - 1], data.points[i][j]));
if(j < sample && data.points[i - 1][j] != 0 && data.points[i - 1][j + 1] != 0)
ds_list_add(data.tris, new triangle(data.points[i - 1][j], data.points[i - 1][j + 1], data.points[i][j]));
} else
data.points[i][j] = 0;
}
for(var i = 0; i <= sample; i++)
for(var j = 0; j <= sample; j++) {
if(data.points[i][j] == 0) continue;
if(i && data.points[i - 1][j] != 0) {
ds_list_add(data.links, new link(data.points[i][j], data.points[i - 1][j]));
}
if(j && data.points[i][j - 1] != 0) {
ds_list_add(data.links, new link(data.points[i][j], data.points[i][j - 1]));
}
if(diagon) {
if(i && j && data.points[i - 1][j - 1] != 0) {
var l = new link(data.points[i][j], data.points[i - 1][j - 1]);
l.k = spring;
ds_list_add(data.links, l);
}
if(i && j < sample && data.points[i - 1][j + 1] != 0) {
var l = new link(data.points[i][j], data.points[i - 1][j + 1]);
l.k = spring;
ds_list_add(data.links, l);
}
}
}
surface_free(cont);
}
static reset = function() {
for(var i = 0; i < ds_list_size(data.tris); i++) {
data.tris[| i].reset();
}
}
static setTriangle = function() {
var _inSurf = inputs[| 0].getValue();
regularTri(_inSurf);
for(var i = 0; i < ds_list_size(data.tris); i++) {
data.tris[| i].initSurface(_inSurf);
}
}
static affectPoint = function(c, p) {
var mode = c[PUPPET_CONTROL.mode];
var cx = c[PUPPET_CONTROL.cx];
var cy = c[PUPPET_CONTROL.cy];
var fx = c[PUPPET_CONTROL.fx];
var fy = c[PUPPET_CONTROL.fy];
var cw = c[PUPPET_CONTROL.width];
var ch = c[PUPPET_CONTROL.height];
switch(mode) {
case PUPPET_FORCE_MODE.move:
var dis = point_distance(cx, cy, p.x, p.y);
var inf = clamp(1 - dis / cw, 0, 1);
inf = ease_cubic_inout(inf);
p.planMove(fx * inf, fy * inf);
break;
case PUPPET_FORCE_MODE.pinch:
var dis = point_distance(cx, cy, p.x, p.y);
var inf = power(clamp(1 - dis / cw, 0, 1), 2) / 2;
var dir = point_direction(p.x, p.y, cx, cy);
p.planMove(lengthdir_x(inf, dir) * ch, lengthdir_y(inf, dir) * ch);
break;
case PUPPET_FORCE_MODE.inflate:
var dis = point_distance(cx, cy, p.x, p.y);
var inf = power(clamp(1 - dis / cw, 0, 1), 2) / 2;
var dir = point_direction(cx, cy, p.x, p.y);
p.planMove(lengthdir_x(inf, dir) * ch, lengthdir_y(inf, dir) * ch);
break;
case PUPPET_FORCE_MODE.wind:
var lx0 = cx + lengthdir_x(1000, fy);
var ly0 = cy + lengthdir_y(1000, fy);
var lx1 = cx - lengthdir_x(1000, fy);
var ly1 = cy - lengthdir_y(1000, fy);
var dist = distance_to_line(p.x, p.y, lx0, ly0, lx1, ly1);
var inf = clamp(1 - dist / cw, 0, 1);
inf = ease_cubic_inout(inf);
p.planMove(lengthdir_x(fx * inf, fy), lengthdir_y(fx * inf, fy));
break;
}
}
static control = function() {
for(var i = control_index; i < ds_list_size(inputs); i++) {
var c = inputs[| i].getValue();
for(var j = 0; j < ds_list_size(data.tris); j++) {
affectPoint(c, data.tris[| j].p0);
affectPoint(c, data.tris[| j].p1);
affectPoint(c, data.tris[| j].p2);
}
}
var it = PREF_MAP[? "verlet_iteration"];
var resit = it;
var _rat = power(1 / it, 2);
repeat(it) {
for(var j = 0; j < ds_list_size(data.tris); j++) {
var t = data.tris[| j];
t.p0.stepMove(_rat);
t.p1.stepMove(_rat);
t.p2.stepMove(_rat);
}
repeat(resit) {
for(var i = 0; i < ds_list_size(data.links); i++)
data.links[| i].resolve();
}
}
for(var j = 0; j < ds_list_size(data.tris); j++) {
var t = data.tris[| j];
t.p0.clearMove();
t.p1.clearMove();
t.p2.clearMove();
}
}
static update = function() {
var _inSurf = inputs[| 0].getValue();
var _outSurf = outputs[| 0].getValue();
if(is_surface(_outSurf))
surface_size_to(_outSurf, surface_get_width(_inSurf), surface_get_height(_inSurf));
else {
_outSurf = surface_create_valid(surface_get_width(_inSurf), surface_get_height(_inSurf));
outputs[| 0].setValue(_outSurf);
}
reset();
control();
surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
for(var i = 0; i < ds_list_size(data.tris); i++) {
data.tris[| i].drawSurface(_inSurf);
}
surface_reset_target();
}
static postDeserialize = function() {
var _inputs = load_map[? "inputs"];
for(var i = control_index; i < ds_list_size(_inputs); i++) {
createControl();
inputs[| i].deserialize(_inputs[| i]);
}
}
static attributeSerialize = function() {
var att = ds_map_create();
ds_map_add_map(att, "pin", attributes[? "pin"]);
return att;
}
static attributeDeserialize = function(attr) {
if(ds_map_exists(attr, "pin"))
attributes[? "pin"] = ds_map_clone(attr[? "pin"]);
}
}