Pixel-Composer/scripts/node_perlin/node_perlin.gml

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function Node_Perlin(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Perlin Noise";
newInput(0, nodeValue_Dimension(self));
newInput(1, nodeValue_Vec2("Position", self, [ 0, 0 ]))
.setUnitRef(function(index) { return getDimension(index); });
newInput(2, nodeValue_Vec2("Scale", self, [ 5, 5 ]))
.setMappable(10);
newInput(3, nodeValue_Int("Iteration", self, 4));
newInput(4, nodeValue_Bool("Tile", self, true));
newInput(5, nodeValue_Float("Seed", self, seed_random(6)))
.setDisplay(VALUE_DISPLAY._default, { side_button : button(function() { randomize(); inputs[5].setValue(seed_random(6)); }).setIcon(THEME.icon_random, 0, COLORS._main_icon) });
newInput(6, nodeValue_Enum_Button("Color mode", self, 0, [ "Greyscale", "RGB", "HSV" ]));
newInput(7, nodeValue_Slider_Range("Color R range", self, [ 0, 1 ]));
newInput(8, nodeValue_Slider_Range("Color G range", self, [ 0, 1 ]));
newInput(9, nodeValue_Slider_Range("Color B range", self, [ 0, 1 ]));
//////////////////////////////////////////////////////////////////////////////////
newInput(10, nodeValueMap("Scale map", self));
//////////////////////////////////////////////////////////////////////////////////
newInput(11, nodeValue_Rotation("Rotation", self, 0));
input_display_list = [
["Output", true], 0, 5,
["Noise", false], 1, 11, 2, 10, 3, 4,
["Render", false], 6, 7, 8, 9,
];
newOutput(0, nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone));
attribute_surface_depth();
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
var _hov = false;
var hv = inputs[1].drawOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny); _hov |= hv;
return _hov;
}
static step = function() {
var _col = getInputData(6);
inputs[7].setVisible(_col != 0);
inputs[8].setVisible(_col != 0);
inputs[9].setVisible(_col != 0);
inputs[7].name = _col == 1? "Color R range" : "Color H range";
inputs[8].name = _col == 1? "Color G range" : "Color S range";
inputs[9].name = _col == 1? "Color B range" : "Color V range";
inputs[2].mappableStep();
}
static processData = function(_outSurf, _data, _output_index, _array_index) {
var _dim = _data[0];
var _pos = _data[1];
var _ite = _data[3];
var _til = _data[4];
var _sed = _data[5];
var _col = _data[6];
var _clr = _data[7];
var _clg = _data[8];
var _clb = _data[9];
var _rot = _data[11];
_outSurf = surface_verify(_outSurf, _dim[0], _dim[1], attrDepth());
surface_set_shader(_outSurf, sh_perlin_tiled);
shader_set_2("dimension", _dim);
shader_set_2("position", _pos);
shader_set_f("rotation", degtorad(_rot));
shader_set_f_map("scale", _data[2], _data[10], inputs[2]);
shader_set_f("seed", _sed);
shader_set_i("tile", _til);
shader_set_i("iteration", _ite);
shader_set_i("colored", _col);
shader_set_2("colorRanR", _clr);
shader_set_2("colorRanG", _clg);
shader_set_2("colorRanB", _clb);
draw_sprite_ext(s_fx_pixel, 0, 0, 0, _dim[0], _dim[1], 0, c_white, 1);
surface_reset_shader();
return _outSurf;
}
}