Pixel-Composer/scripts/node_FLIP_domain/node_FLIP_domain.gml

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function Node_FLIP_Domain(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Domain";
color = COLORS.node_blend_fluid;
icon = THEME.fluid_sim;
setDimension(96, 96);
manual_ungroupable = false;
update_on_frame = true;
inputs[| 0] = nodeValue("Dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, DEF_SURF)
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 1] = nodeValue("Particle Size", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1);
inputs[| 2] = nodeValue("Particle Density", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 10);
inputs[| 3] = nodeValue("FLIP Ratio", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.8)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 4] = nodeValue("Resolve accelerator", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1.5);
inputs[| 5] = nodeValue("Iteration", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 8);
inputs[| 6] = nodeValue("Damping", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.8)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 7] = nodeValue("Gravity", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 5);
inputs[| 8] = nodeValue("Time Step", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.05);
inputs[| 9] = nodeValue("Wall", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0b1111)
.setDisplay(VALUE_DISPLAY.toggle, { data: [ "T", "B", "L", "R" ] });
inputs[| 10] = nodeValue("Viscosity", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.)
.setDisplay(VALUE_DISPLAY.slider, { range: [ -1, 1, 0.01 ] });
inputs[| 11] = nodeValue("Friction", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 12] = nodeValue("Wall Elasticity", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.)
.setDisplay(VALUE_DISPLAY.slider, { range: [ 0, 2, 0.01 ] });
inputs[| 13] = nodeValue("Gravity Direction", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 270)
.setDisplay(VALUE_DISPLAY.rotation);
input_display_list = [
["Domain", false], 0, 1, 9, 12,
["Solver", true], 3, 8,
["Physics", false], 7, 13, 10, 11,
]
outputs[| 0] = nodeValue("Domain", self, JUNCTION_CONNECT.output, VALUE_TYPE.fdomain, noone);
#region attributes
array_push(attributeEditors, "FLIP Solver");
attributes.max_particles = 10000;
array_push(attributeEditors, ["Maximum particles", function() { return attributes.max_particles; },
new textBox(TEXTBOX_INPUT.number, function(val) {
attributes.max_particles = val;
})]);
attributes.iteration = 8;
array_push(attributeEditors, ["Global iteration", function() { return attributes.iteration; },
new textBox(TEXTBOX_INPUT.number, function(val) {
attributes.iteration = val;
triggerRender();
})]);
attributes.iteration_pressure = 2;
array_push(attributeEditors, ["Pressure iteration", function() { return attributes.iteration_pressure; },
new textBox(TEXTBOX_INPUT.number, function(val) {
attributes.iteration_pressure = val;
triggerRender();
})]);
attributes.iteration_particle = 2;
array_push(attributeEditors, ["Particle iteration", function() { return attributes.iteration_particle; },
new textBox(TEXTBOX_INPUT.number, function(val) {
attributes.iteration_particle = val;
triggerRender();
})]);
attributes.overrelax = 1.5;
array_push(attributeEditors, ["Overrelaxation", function() { return attributes.overrelax; },
new textBox(TEXTBOX_INPUT.number, function(val) {
attributes.overrelax = val;
triggerRender();
})]);
attributes.skip_incompressible = false;
array_push(attributeEditors, ["Skip incompressible", function() { return attributes.skip_incompressible; },
new checkBox(function() {
attributes.skip_incompressible = !attributes.skip_incompressible;
triggerRender();
})]);
#endregion
domain = instance_create(0, 0, FLIP_Domain);
toReset = true;
static step = function() {
var _col = getInputData(9);
inputs[| 12].setVisible(_col);
}
static update = function(frame = CURRENT_FRAME) {
var _dim = getInputData(0);
var _siz = getInputData(1); _siz = max(_siz, 1);
var _den = getInputData(2);
var _flp = getInputData(3);
var _dmp = getInputData(6);
var _grv = getInputData(7);
var _dt = getInputData(8);
var _col = getInputData(9);
var _vis = getInputData(10);
var _fric = getInputData(11);
var _ela = getInputData(12);
var _gdir = getInputData(13);
var _ovr = attributes.overrelax;
var _itr = attributes.iteration;
var _itrP = attributes.iteration_pressure;
var _itrR = attributes.iteration_particle;
var width = _dim[0] + _siz * 2;
var height = _dim[1] + _siz * 2;
if(IS_FIRST_FRAME || toReset) {
var particleSize = _siz;
var density = _den;
var maxParticles = attributes.max_particles;
domain.init(width, height, particleSize, density, maxParticles);
}
toReset = false;
domain.velocityDamping = _dmp;
domain.dt = _dt;
domain.iteration = _itr;
domain.numPressureIters = _itrP;
domain.numParticleIters = _itrR;
domain.g = _grv;
domain.gDirection = _gdir;
domain.flipRatio = _flp;
domain.overRelaxation = _ovr;
domain.viscosity = _vis;
domain.friction = power(1 - _fric, 0.025);
domain.wallCollide = _col;
domain.wallElasticity = _ela;
domain.skip_incompressible = attributes.skip_incompressible;
domain.update();
outputs[| 0].setValue(domain);
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_bbox_uniform(s_node_fluidSim_domain, 0, bbox);
}
static getPreviewValues = function() { return domain.domain_preview; }
}