Pixel-Composer/scripts/node_grid_hex/node_grid_hex.gml

function Node_Grid_Hex(_x, _y, _group = -1) : Node(_x, _y, _group) constructor {
	name = "Hexagonal Grid";
	
	shader = sh_grid_hex;
	uniform_dim = shader_get_uniform(shader, "dimension");
	uniform_pos = shader_get_uniform(shader, "position");
	uniform_sca = shader_get_uniform(shader, "scale");
	uniform_rot = shader_get_uniform(shader, "angle");
	uniform_thk = shader_get_uniform(shader, "thick");
	
	inputs[| 0] = nodeValue(0, "Dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, def_surf_size2 )
		.setDisplay(VALUE_DISPLAY.vector);
	
	inputs[| 1] = nodeValue(1, "Position", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0, 0 ])
		.setDisplay(VALUE_DISPLAY.vector);
	
	inputs[| 2] = nodeValue(2, "Scale", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 4, 4 ])
		.setDisplay(VALUE_DISPLAY.vector);
	
	inputs[| 3] = nodeValue(3, "Angle", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
		.setDisplay(VALUE_DISPLAY.rotation);
	
	inputs[| 4] = nodeValue(4, "Thickness", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.1)
		.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
	
	input_display_list = [
		["Output",  false], 0,
		["Pattern",	false], 1, 2, 3, 4
	];
	
	outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
	
	static drawOverlay = function(active, _x, _y, _s, _mx, _my, _snx, _sny) {
		inputs[| 1].drawOverlay(active, _x, _y, _s, _mx, _my, _snx, _sny);
	}
	
	static update = function() {
		var _dim = inputs[| 0].getValue();
		var _pos = inputs[| 1].getValue();
		var _sca = inputs[| 2].getValue();
		var _rot = inputs[| 3].getValue();
		var _thk = inputs[| 4].getValue();
		
		var _outSurf = outputs[| 0].getValue();
		if(!is_surface(_outSurf)) {
			_outSurf =  surface_create_valid(_dim[0], _dim[1]);
			outputs[| 0].setValue(_outSurf);
		} else
			surface_size_to(_outSurf, _dim[0], _dim[1]);
		
		surface_set_target(_outSurf);
		draw_clear_alpha(0, 0);
		shader_set(shader);
			shader_set_uniform_f(uniform_dim, _dim[0], _dim[1]);
			shader_set_uniform_f(uniform_pos, _pos[0] / _dim[0], _pos[1] / _dim[1]);
			shader_set_uniform_f(uniform_sca, _sca[0], _sca[1]);
			shader_set_uniform_f(uniform_rot, degtorad(_rot));
			shader_set_uniform_f(uniform_thk, _thk);
			
			draw_sprite_ext(s_fx_pixel, 0, 0, 0, _dim[0], _dim[1], 0, c_white, 1);
		shader_reset();
		surface_reset_target();
	}
	doUpdate();
}