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Pixel-Composer/scripts/node_rigid_object/node_rigid_object.gml
Tanasart 1fffd38ba9 DynaSurf width, height
2023-09-08 21:37:36 +02:00

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function Node_Rigid_Object(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Object";
color = COLORS.node_blend_simulation;
icon = THEME.rigidSim;
//update_on_frame = true;
w = 96;
min_h = 96;
object = [];
attributes.mesh = [];
inputs[| 0] = nodeValue("Affect by force", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true)
.rejectArray();
inputs[| 1] = nodeValue("Weight", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.5)
.rejectArray();
inputs[| 2] = nodeValue("Contact friction", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.2)
.rejectArray();
inputs[| 3] = nodeValue("Air resistance", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.2)
.rejectArray();
inputs[| 4] = nodeValue("Rotation resistance", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.2)
.rejectArray();
inputs[| 5] = nodeValue("Shape", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "Box", "Circle", "Custom" ])
.rejectArray();
inputs[| 6] = nodeValue("Texture", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, noone)
.rejectArray();
inputs[| 7] = nodeValue("Start shape", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 16, 16, 4, 4, AREA_SHAPE.rectangle ])
.setDisplay(VALUE_DISPLAY.area);
inputs[| 7].editWidget.adjust_shape = false;
inputs[| 8] = nodeValue("Spawn", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true, "Make object spawn when start.")
.rejectArray();
inputs[| 9] = nodeValue("Generate mesh", self, JUNCTION_CONNECT.input, VALUE_TYPE.trigger, 0)
.setDisplay(VALUE_DISPLAY.button, [ function() {
var _tex = inputs[| 6].getValue();
if(is_array(_tex)) {
for( var i = 0, n = array_length(_tex); i < n; i++ )
generateMesh(i);
} else
generateMesh();
doUpdate();
}, "Generate"] );
inputs[| 10] = nodeValue("Mesh expansion", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.rejectArray();
outputs[| 0] = nodeValue("Object", self, JUNCTION_CONNECT.output, VALUE_TYPE.rigid, self);
input_display_list = [ 8,
["Texture", false], 6,
["Physical", false], 0, 1, 2, 3, 4,
["Shape", false], 5, 9, 10, 7,
];
static newMesh = function(index) {
var mesh = struct_try_get(attributes, "mesh", []);
mesh[index] = [ [ 0, 0],
[32, 0],
[32, 32],
[ 0, 32] ];
attributes.mesh = mesh;
}
newMesh(0);
tools = [
new NodeTool( "Mesh edit", THEME.mesh_tool_edit ),
new NodeTool( "Anchor remove", THEME.mesh_tool_delete ),
];
static getPreviewValues = function() { return inputs[| 6].getValue(); }
is_convex = true;
hover = -1;
anchor_dragging = -1;
anchor_drag_sx = -1;
anchor_drag_sy = -1;
anchor_drag_mx = -1;
anchor_drag_my = -1;
static drawOverlay = function(active, _x, _y, _s, _mx, _my, _snx, _sny) {
var _shp = inputs[| 5].getValue();
var _box = inputs[| 7].getValue();
var meshes = attributes.mesh;
if(preview_index >= array_length(meshes)) return;
if(previewing == 0) {
if(_shp == 2) {
var _tex = inputs[| 6].getValue();
if(is_array(_tex)) _tex = _tex[safe_mod(preview_index, array_length(_tex))];
var tw = surface_get_width_safe(_tex);
var th = surface_get_height_safe(_tex);
draw_set_color(is_convex? COLORS._main_accent : COLORS._main_value_negative);
for( var j = 0; j < array_length(meshes); j++ ) {
var _m = meshes[j];
var _l = array_length(_m);
for( var i = 0; i < _l; i++ ) {
var _px0 = _m[i][0];
var _py0 = _m[i][1];
var _px1 = _m[safe_mod(i + 1, _l)][0];
var _py1 = _m[safe_mod(i + 1, _l)][1];
_px0 = (_px0 / tw) * 2 - 1;
_py0 = (_py0 / th) * 2 - 1;
_px1 = (_px1 / tw) * 2 - 1;
_py1 = (_py1 / th) * 2 - 1;
_px0 = _box[0] + (_box[2]) * _px0;
_py0 = _box[1] + (_box[3]) * _py0;
_px1 = _box[0] + (_box[2]) * _px1;
_py1 = _box[1] + (_box[3]) * _py1;
var _dx0 = _x + _px0 * _s;
var _dy0 = _y + _py0 * _s;
var _dx1 = _x + _px1 * _s;
var _dy1 = _y + _py1 * _s;
draw_line_width(_dx0, _dy0, _dx1, _dy1, 1);
}
}
draw_set_color(COLORS._main_accent);
var x0 = _box[0] - _box[2];
var x1 = _box[0] + _box[2];
var y0 = _box[1] - _box[3];
var y1 = _box[1] + _box[3];
x0 = _x + x0 * _s;
x1 = _x + x1 * _s;
y0 = _y + y0 * _s;
y1 = _y + y1 * _s;
draw_rectangle(x0, y0, x1, y1, true);
}
inputs[| 7].drawOverlay(active, _x, _y, _s, _mx, _my, _snx, _sny);
return;
}
if(_shp != 2) return;
var _hover = -1, _side = 0;
draw_set_color(is_convex? COLORS._main_accent : COLORS._main_value_negative);
var mesh = meshes[preview_index];
var len = array_length(mesh);
is_convex = true;
for( var i = 0; i < len; i++ ) {
var _px0 = mesh[safe_mod(i + 0, len)][0];
var _py0 = mesh[safe_mod(i + 0, len)][1];
var _px1 = mesh[safe_mod(i + 1, len)][0];
var _py1 = mesh[safe_mod(i + 1, len)][1];
var _px2 = mesh[safe_mod(i + 2, len)][0];
var _py2 = mesh[safe_mod(i + 2, len)][1];
var side = cross_product(_px0, _py0, _px1, _py1, _px2, _py2);
if(_side != 0 && sign(_side) != sign(side))
is_convex = false;
_side = side;
var _dx0 = _x + _px0 * _s;
var _dy0 = _y + _py0 * _s;
var _dx1 = _x + _px1 * _s;
var _dy1 = _y + _py1 * _s;
draw_line_width(_dx0, _dy0, _dx1, _dy1, hover == i + 0.5? 4 : 2);
if(isUsingTool(0) && distance_to_line(_mx, _my, _dx0, _dy0, _dx1, _dy1) < 6)
_hover = i + 0.5;
}
draw_set_color(COLORS._main_accent);
draw_set_text(f_p1, fa_center, fa_bottom);
for( var i = 0; i < len; i++ ) {
var _px = mesh[i][0];
var _py = mesh[i][1];
var _dx = _x + _px * _s;
var _dy = _y + _py * _s;
//draw_text(_dx, _dy - 8, i);
if(isNotUsingTool())
draw_circle_prec(_dx, _dy, 4, false)
else {
draw_sprite_colored(THEME.anchor_selector, hover == i, _dx, _dy);
if(point_distance(_mx, _my, _dx, _dy) < 8)
_hover = i;
}
}
hover = _hover;
if(anchor_dragging > -1) {
var dx = anchor_drag_sx + (_mx - anchor_drag_mx) / _s;
var dy = anchor_drag_sy + (_my - anchor_drag_my) / _s;
dx = value_snap(dx, _snx);
dy = value_snap(dy, _sny);
mesh[anchor_dragging][0] = dx;
mesh[anchor_dragging][1] = dy;
if(mouse_release(mb_left))
anchor_dragging = -1;
return;
}
if(hover == -1) return;
if(frac(hover) == 0) {
if(mouse_click(mb_left, active)) {
if(isUsingTool(0)) {
anchor_dragging = hover;
anchor_drag_sx = mesh[hover][0];
anchor_drag_sy = mesh[hover][1];
anchor_drag_mx = _mx;
anchor_drag_my = _my;
} else if(isUsingTool(1)) {
if(array_length(mesh) > 3)
array_delete(mesh, hover, 1);
}
}
} else {
if(mouse_click(mb_left, active)) {
var ind = ceil(hover);
ds_list_insert(lx, ind, (_mx - _x) / _s);
ds_list_insert(ly, ind, (_my - _y) / _s);
anchor_dragging = ind;
anchor_drag_sx = mesh[ind][0];
anchor_drag_sy = mesh[ind][1];
anchor_drag_mx = _mx;
anchor_drag_my = _my;
}
}
}
static generateMesh = function(index = 0) {
var _tex = inputs[| 6].getValue();
var _exp = inputs[| 10].getValue();
if(is_array(_tex)) {
index = safe_mod(index, array_length(_tex));
_tex = _tex[index];
}
if(!is_surface(_tex)) return;
var meshes = attributes.mesh;
var mesh = [];
var ww = surface_get_width_safe(_tex);
var hh = surface_get_height_safe(_tex);
var surface_buffer = buffer_create(ww * hh * 4, buffer_fixed, 2);
buffer_get_surface(surface_buffer, _tex, 0);
buffer_seek(surface_buffer, buffer_seek_start, 0);
var cmX = 0;
var cmY = 0;
var cmA = 0;
for( var j = 0; j < hh; j++ )
for( var i = 0; i < ww; i++ ) {
var cc = buffer_read(surface_buffer, buffer_u32);
var _a = (cc & (0b11111111 << 24)) >> 24;
if(_a > 0) {
cmX += i;
cmY += j;
cmA++;
}
}
cmX /= cmA;
cmY /= cmA;
var uni_com = shader_get_uniform(sh_mesh_generation, "com");
var uni_dim = shader_get_uniform(sh_mesh_generation, "dimension");
var temp = surface_create_valid(ww, hh);
surface_set_target(temp);
DRAW_CLEAR
shader_set(sh_mesh_generation);
shader_set_uniform_f(uni_dim, ww, hh);
shader_set_uniform_f(uni_com, cmX, cmY);
draw_surface_safe(_tex, 0, 0);
shader_reset();
surface_reset_target();
buffer_get_surface(surface_buffer, temp, 0);
buffer_seek(surface_buffer, buffer_seek_start, 0);
var _pm = ds_map_create();
for( var j = 0; j < hh; j++ )
for( var i = 0; i < ww; i++ ) {
var cc = buffer_read(surface_buffer, buffer_u32);
var _a = (cc & (0b11111111 << 24)) >> 24;
if(_a > 0)
_pm[? point_direction_positive(cmX, cmY, i, j)] = [i, j];
}
if(ds_map_size(_pm)) {
var keys = ds_map_keys_to_array(_pm);
array_sort(keys, false);
for( var i = 0, n = array_length(keys); i < n; i++ ) {
var px = _pm[? keys[i]][0];
var py = _pm[? keys[i]][1];
if(px > cmX) px++;
if(py > cmY) py++;
if(_exp != 0) {
var dist = point_distance(cmX, cmY, px, py) + _exp;
var dirr = point_direction(cmX, cmY, px, py);
px = cmX + lengthdir_x(dist, dirr);
py = cmY + lengthdir_y(dist, dirr);
}
array_push(mesh, [ px, py ]);
}
mesh = removeColinear(mesh);
mesh = removeConcave(mesh);
var _sm = ds_map_create();
for( var i = 0, n = array_length(mesh); i < n; i++ )
_sm[? point_direction_positive(cmX, cmY, mesh[i][0], mesh[i][1])] = [ mesh[i][0], mesh[i][1] ];
var keys = ds_map_keys_to_array(_sm);
mesh = [];
if(array_length(keys)) {
array_sort(keys, false);
for( var i = 0, n = array_length(keys); i < n; i++ ) {
var k = keys[i];
array_push( mesh, [_sm[? k][0], _sm[? k][1]] );
}
}
ds_map_destroy(_sm);
}
ds_map_destroy(_pm);
surface_free(temp);
buffer_delete(surface_buffer);
meshes[index] = mesh;
attributes.mesh = meshes;
}
static removeColinear = function(mesh) {
var len = array_length(mesh), _side = 0;
var remSt = [];
var tolerance = 5;
for( var i = 0; i < len; i++ ) {
var _px0 = mesh[safe_mod(i + 0, len)][0];
var _py0 = mesh[safe_mod(i + 0, len)][1];
var _px1 = mesh[safe_mod(i + 1, len)][0];
var _py1 = mesh[safe_mod(i + 1, len)][1];
var _px2 = mesh[safe_mod(i + 2, len)][0];
var _py2 = mesh[safe_mod(i + 2, len)][1];
var dir0 = point_direction(_px0, _py0, _px1, _py1);
var dir1 = point_direction(_px1, _py1, _px2, _py2);
if(abs(dir0 - dir1) <= tolerance)
array_push(remSt, safe_mod(i + 1, len));
}
array_sort(remSt, false);
for( var i = 0, n = array_length(remSt); i < n; i++ ) {
var ind = remSt[i];
array_delete(mesh, ind, 1);
}
return mesh;
}
static removeConcave = function(mesh) {
var len = array_length(mesh);
if(len <= 3) return;
var startIndex = 0;
var maxx = 0;
for( var i = 0; i < len; i++ ) {
var _px0 = mesh[i][0];
if(_px0 > maxx) {
maxx = _px0;
startIndex = i;
}
}
var remSt = [];
var chkSt = ds_stack_create();
ds_stack_push(chkSt, startIndex);
ds_stack_push(chkSt, safe_mod(startIndex + 1, len));
var anchorTest = safe_mod(startIndex + 2, len)
var log = false;
var _side = 1;
printIf(log, "Start " + string(startIndex))
while(true) {
var potentialPoint = ds_stack_pop(chkSt);
var anchorPoint = ds_stack_top(chkSt);
printIf(log, "Checking " + string(potentialPoint) + " Against " + string(anchorPoint) + " Test " + string(anchorTest))
if(potentialPoint == startIndex) break;
var _px0 = mesh[anchorPoint][0];
var _py0 = mesh[anchorPoint][1];
var _px1 = mesh[potentialPoint][0];
var _py1 = mesh[potentialPoint][1];
var _px2 = mesh[anchorTest][0];
var _py2 = mesh[anchorTest][1];
var side = sign(cross_product(_px0, _py0, _px1, _py1, _px2, _py2));
if(_side == 0 || _side == side) {
ds_stack_push(chkSt, potentialPoint);
ds_stack_push(chkSt, anchorTest);
anchorTest = safe_mod(anchorTest + 1, len);
_side = side;
} else {
if(ds_stack_size(chkSt) == 1) {
ds_stack_push(chkSt, anchorTest);
anchorTest = safe_mod(anchorTest + 1, len);
}
array_push(remSt, potentialPoint);
printIf(log, " > Remove " + string(potentialPoint));
}
}
array_sort(remSt, false);
for( var i = 0, n = array_length(remSt); i < n; i++ ) {
var ind = remSt[i];
array_delete(mesh, ind, 1);
}
return mesh;
}
static onValueUpdate = function(index = 0) {
if(index == 5) {
var _spos = inputs[| 7].getValue();
var _shape = inputs[| 5].getValue();
_spos[4] = _shape;
inputs[| 7].setValue(_spos);
}
}
static fixtureCreate = function(fixture, object) {
var _mov = inputs[| 0].getValue();
var _den = inputs[| 1].getValue();
var _cnt_frc = inputs[| 2].getValue();
var _air_frc = inputs[| 3].getValue();
var _rot_frc = inputs[| 4].getValue();
var _spos = inputs[| 7].getValue();
if(!_mov) {
physics_fixture_set_kinematic(fixture);
_den = 0;
}
physics_fixture_set_density(fixture, _den);
physics_fixture_set_friction(fixture, _cnt_frc);
physics_fixture_set_linear_damping(fixture, _air_frc);
physics_fixture_set_angular_damping(fixture, _rot_frc);
physics_fixture_set_awake(fixture, true);
if(group != noone)
physics_fixture_set_collision_group(fixture, group.collIndex);
array_push(object.fixture, physics_fixture_bind_ext(fixture, object, _spos[2], _spos[3]));
physics_fixture_delete(fixture);
}
static spawn = function(rpos = noone, index = 0, object = noone) {
var _shp = inputs[| 5].getValue();
var _tex = inputs[| 6].getValue();
if(is_array(_tex)) {
index = safe_mod(index, array_length(_tex));
_tex = _tex[index];
} else
index = 0;
var _spos = inputs[| 7].getValue();
var ww = max(1, surface_get_width_safe(_tex));
var hh = max(1, surface_get_height_safe(_tex));
var ox = rpos == noone? _spos[0] : rpos[0];
var oy = rpos == noone? _spos[1] : rpos[1];
if(object == noone) {
object = instance_create_depth(ox - _spos[2], oy - _spos[3], 0, oRigidbody);
object.xscale = _spos[2] / ww * 2;
object.yscale = _spos[3] / hh * 2;
object.surface = _tex;
} else if(instance_exists(object)) {
for( var i = 0, n = array_length(object.fixture); i < n; i++ )
physics_remove_fixture(object, object.fixture[i]);
object.fixture = [];
} else
return noone;
if(_shp == 0) {
var fixture = physics_fixture_create();
physics_fixture_set_box_shape(fixture, _spos[2], _spos[3]);
fixtureCreate(fixture, object);
} else if(_shp == 1) {
var fixture = physics_fixture_create();
physics_fixture_set_circle_shape(fixture, min(_spos[2], _spos[3]));
fixtureCreate(fixture, object);
} else if(_shp == 2) {
var meshes = attributes.mesh;
if(array_safe_get(meshes, index, noone) == noone)
return noone;
var mesh = meshes[index];
var cx = 0, cy = 0;
var cmx = 0, cmy = 0;
var len = array_length(mesh), _side = 0;
is_convex = true;
for( var i = 0; i < len; i++ ) {
var _px0 = mesh[safe_mod(i + 0, len)][0];
var _py0 = mesh[safe_mod(i + 0, len)][1];
var _px1 = mesh[safe_mod(i + 1, len)][0];
var _py1 = mesh[safe_mod(i + 1, len)][1];
var _px2 = mesh[safe_mod(i + 2, len)][0];
var _py2 = mesh[safe_mod(i + 2, len)][1];
var side = cross_product(_px0, _py0, _px1, _py1, _px2, _py2);
if(_side != 0 && sign(_side) != sign(side))
is_convex = false;
_side = side;
cx += _px0;
cy += _py0;
}
cx /= len;
cy /= len;
cmx = cx;
cmy = cy;
cx = (cx / ww) * 2 - 1;
cy = (cy / hh) * 2 - 1;
cx = _spos[2] * cx;
cy = _spos[3] * cy;
if(!is_convex) return object;
if(len < 3) return object;
if(len <= 8) {
var fixture = physics_fixture_create();
physics_fixture_set_polygon_shape(fixture);
for( var i = 0; i < len; i++ ) {
var _px0 = mesh[i][0];
var _py0 = mesh[i][1];
_px0 = (_px0 / ww) * 2 - 1;
_py0 = (_py0 / hh) * 2 - 1;
_px0 = _spos[2] * _px0;
_py0 = _spos[3] * _py0;
physics_fixture_add_point(fixture, round(_px0), round(_py0));
}
fixtureCreate(fixture, object);
} else {
for( var i = 0; i < len; i++ ) {
var fixture = physics_fixture_create();
physics_fixture_set_polygon_shape(fixture);
var _px0 = mesh[safe_mod(i + 0, len)][0];
var _py0 = mesh[safe_mod(i + 0, len)][1];
var _px1 = mesh[safe_mod(i + 1, len)][0];
var _py1 = mesh[safe_mod(i + 1, len)][1];
_px0 = (_px0 / ww) * 2 - 1;
_py0 = (_py0 / hh) * 2 - 1;
_px1 = (_px1 / ww) * 2 - 1;
_py1 = (_py1 / hh) * 2 - 1;
_px0 = _spos[2] * _px0;
_py0 = _spos[3] * _py0;
_px1 = _spos[2] * _px1;
_py1 = _spos[3] * _py1;
var d0 = point_direction(cx, cy, _px0, _py0);
var d1 = point_direction(cx, cy, _px1, _py1);
physics_fixture_add_point(fixture, cx, cy);
physics_fixture_add_point(fixture, _px0, _py0);
physics_fixture_add_point(fixture, _px1, _py1);
fixtureCreate(fixture, object);
}
}
//with(object) physics_mass_properties(phy_mass, cmx, cmy, phy_inertia);
}
return object;
}
static update = function(frame = PROJECT.animator.current_frame) {
if(!isAnimated()) return;
//for( var i = 0, n = array_length(object); i < n; i++ )
// spawn(noone, i, object[i]);
}
static step = function() {
var _shp = inputs[| 5].getValue();
inputs[| 9].setVisible(_shp == 2);
var _tex = inputs[| 6].getValue();
if(is_array(_tex)) {
var meshes = attributes.mesh;
for( var i = array_length(meshes); i < array_length(_tex); i++ )
newMesh(i);
}
}
static reset = function() {
var _tex = inputs[| 6].getValue();
for( var i = 0, n = array_length(object); i < n; i++ ) {
if(instance_exists(object[i]))
instance_destroy(object[i]);
}
object = [];
var _spwn = inputs[| 8].getValue();
if(!_spwn) return;
if(is_array(_tex)) {
for( var i = 0, n = array_length(_tex); i < n; i++ )
object[i] = spawn(noone, i);
} else
object = [ spawn() ];
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
var _tex = inputs[| 6].getValue();
if(is_array(_tex) && array_length(_tex)) _tex = _tex[0];
var _spos = inputs[| 7].getValue();
draw_surface_stretch_fit(_tex, bbox.xc, bbox.yc, bbox.w, bbox.h, _spos[2], _spos[3]);
}
static attributeSerialize = function() {
var att = {};
var mesh = struct_try_get(attributes, "mesh", []);
att.mesh = json_stringify(mesh);
return att;
}
static attributeDeserialize = function(attr) {
if(struct_has(attr, "mesh"))
attributes.mesh = json_parse(attr.mesh);
}
}
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