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

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function Node_MK_Rain(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "MK Rain";
update_on_frame = true;
newInput(0, nodeValue_Surface("Surface in", self));
newInput(1, nodeValue_Rotation("Direction", self, 45));
newInput(2, nodeValue_Float("Density", self, 5));
newInput(3, nodeValue_Range("Raindrop width", self, [ 1, 1 ]));
newInput(4, nodeValue_Range("Raindrop length", self, [ 5, 10 ]));
newInput(5, nodeValue_Gradient("Color", self, new gradientObject(cola(c_white))));
newInput(6, nodeValue_Slider_Range("Alpha", self, [ 0.5, 1 ]));
newInput(7, nodeValue_Range("Velocity", self, [ 1, 2 ]));
newInput(8, nodeValue_Int("Seed", self, seed_random(6)))
.setDisplay(VALUE_DISPLAY._default, { side_button : button(function() { randomize(); inputs[8].setValue(seed_random(6)); }).setIcon(THEME.icon_random, 0, COLORS._main_icon) });
newInput(9, nodeValue_Enum_Scroll("Shape", self, 0, [ new scrollItem("Rain", s_node_mk_rain_type, 0),
new scrollItem("Snow", s_node_mk_rain_type, 1),
new scrollItem("Texture", s_node_mk_rain_type, 2) ]));
newInput(10, nodeValue_Range("Snow size", self, [ 3, 4 ]));
newInput(11, nodeValue_Surface("Texture", self));
newInput(12, nodeValue_Slider_Range("Track extension", self, [ 0, 0 ], { range: [ 0, 10, 0.01 ] }));
newInput(13, nodeValue("Size over lifetime", self, CONNECT_TYPE.input, VALUE_TYPE.curve, CURVE_DEF_11));
newInput(14, nodeValue_Bool("Limited lifespan", self, false));
newInput(15, nodeValue_Slider_Range("Lifespan", self, [ 0, 1 ]))
.setTooltip("Lifespan of a droplet as a ratio of the entire animation.");
newInput(16, nodeValue("Alpha over lifetime", self, CONNECT_TYPE.input, VALUE_TYPE.curve, CURVE_DEF_11));
newInput(17, nodeValue_Bool("Fade alpha", self, false));
input_display_list = [ new Inspector_Sprite(s_MKFX), 0, 8,
["Shape", false], 9, 3, 4, 10, 11,
["Lifespan", false, 14], 15, 13, 16,
["Effect", false], 2, 1, 7,
["Render", false], 5, 6, 17,
];
outputs[0] = nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone);
static step = function() { #region
var _shap = getSingleValue(9);
inputs[ 3].setVisible(_shap == 0);
inputs[ 4].setVisible(_shap == 0);
inputs[10].setVisible(_shap == 1);
inputs[11].setVisible(_shap == 2);
inputs[17].setVisible(_shap == 0);
} #endregion
static processData = function(_outSurf, _data, _output_index, _array_index) { #region
var _surf = _data[0];
var _dirr = _data[1];
var _dens = _data[2];
var _rwid = _data[3];
var _rhei = _data[4];
var _colr = _data[5];
var _alph = _data[6];
var _velo = _data[7];
var _seed = _data[8];
var _shap = _data[9];
var _snws = _data[10];
var _text = _data[11];
var _trex = _data[12];
var _llif = _data[13];
var _liml = _data[14];
var _life = _data[15];
var _alif = _data[16];
var _afad = _data[17];
if(!is_surface(_surf)) return _outSurf;
if(_shap == 2 && !is_surface(_text)) return _outSurf;
var _sw = surface_get_width_safe(_surf);
var _sh = surface_get_height_safe(_surf);
var _tw = surface_get_width_safe(_text);
var _th = surface_get_height_safe(_text);
var _rad = sqrt(_sw * _sw + _sh * _sh) / 2;
var _rx = _sw / 2;
var _ry = _sh / 2;
var _tr_span_x = lengthdir_x(1, _dirr);
var _tr_span_y = lengthdir_y(1, _dirr);
var _in_span_x = lengthdir_x(1, _dirr + 90);
var _in_span_y = lengthdir_y(1, _dirr + 90);
var prg = CURRENT_FRAME / TOTAL_FRAMES;
var _1c = array_length(_colr.keys) == 1;
var _cc = _1c? _colr.eval(0) : _colr;
draw_set_circle_precision(32);
surface_set_target(_outSurf);
DRAW_CLEAR
draw_surface_safe(_surf);
var _lcc = _cc;
if(_afad) BLEND_ADD
else BLEND_ALPHA_MULP
repeat(_dens) {
random_set_seed(_seed); _seed += 100;
var _velRaw = random_range(_velo[0], _velo[1]);
_velRaw = max(1, _velRaw);
var _vel = _velRaw < 1? _velRaw : floor(_velRaw);
var _vex = _velRaw < 1? 0 : frac(_velRaw);
var _rrad = _rad * (1 + _vex);
var _r_shf = random_range( -_rad, _rad);
var _y_shf = random(1);
var _drpW, _drpH, _drpS;
switch(_shap) {
case 0 :
_drpW = irandom_range(_rwid[0], _rwid[1]);
_drpH = irandom_range(_rhei[0], _rhei[1]);
break;
case 1 :
_drpW = random_range(_snws[0], _snws[1]);
_drpH = _drpW;
break;
case 2 :
_drpW = _tw;
_drpH = _th;
break;
}
var _rmx = _rx + _in_span_x * _r_shf;
var _rmy = _ry + _in_span_y * _r_shf;
var _radH = _rrad + _drpH;
var _radHx = _radH * _tr_span_x;
var _radHy = _radH * _tr_span_y;
var _prg = _y_shf + _vel * prg;
_prg = frac(_prg) - 0.5; // -0.5 - 0.5
if(!_1c) _lcc = _colr.eval(random(1));
var _aa = random_range(_alph[0], _alph[1]);
var _clife = clamp((_prg + 0.5) / random_range(_life[0], _life[1]), 0, 1);
var _scaL = 1;
var _aaL = 1;
if(_liml) {
_scaL = eval_curve_x(_llif, _clife);
_aaL = eval_curve_x(_alif, _clife);
}
draw_set_color(_lcc);
draw_set_alpha(_aa * _aaL);
var _drpX = _rmx - _prg * _radHx * 2;
var _drpY = _rmy - _prg * _radHy * 2;
switch(_shap) {
case 0 :
var _tr_span_w = _tr_span_x * _drpH; // rain drop x span
var _tr_span_h = _tr_span_y * _drpH; // rain drop y span
var _x0 = _drpX - _tr_span_w;
var _x1 = _x0 + _tr_span_w * 2 * _scaL;
var _y0 = _drpY - _tr_span_h;
var _y1 = _y0 + _tr_span_h * 2 * _scaL;
if(_afad) {
if(_drpW == 1) draw_line_color( _x0, _y0, _x1, _y1, _lcc, c_black );
else draw_line_width_color( _x0, _y0, _x1, _y1, _drpW, _lcc, c_black );
} else {
if(_drpW == 1) draw_line( _x0, _y0, _x1, _y1 );
else draw_line_width( _x0, _y0, _x1, _y1, _drpW );
}
break;
case 1 :
draw_circle(_drpX, _drpY, _drpW * _scaL, false);
break;
case 2 :
draw_surface_ext(_text, _drpX, _drpY, _scaL, _scaL, 0, draw_get_color(), draw_get_alpha());
break;
}
}
draw_set_alpha(1);
BLEND_NORMAL
surface_reset_target();
return _outSurf;
} #endregion
}