Pixel-Composer/scripts/node_path_builder/node_path_builder.gml
2023-03-19 15:17:39 +07:00

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function Node_Path_Builder(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Path Builder";
previewable = false;
w = 96;
inputs[| 0] = nodeValue("Point array", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [])
.setVisible(true, true)
.setArrayDepth(2);
inputs[| 1] = nodeValue("Connected", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "If set to true, will draw a single path from one point to another. If not set will treat each pair of points as an individual line.");
outputs[| 0] = nodeValue("Path", self, JUNCTION_CONNECT.output, VALUE_TYPE.pathnode, self);
static getLineCount = function() {
var _lines = inputs[| 0].getValue();
var _conn = inputs[| 1].getValue();
return _conn? 1 : floor(array_length(_lines) / 2);
}
static getBoundary = function() {
var boundary = new BoundingBox();
var _lines = inputs[| 0].getValue();
for( var i = 0; i < array_length(_lines); i++ )
boundary.addPoint(_lines[i][0], _lines[i][1]);
return boundary;
}
static getPointRatio = function(_rat, _ind = 0) {
var _lines = inputs[| 0].getValue();
var _conn = inputs[| 1].getValue();
var _p0, _p1;
var _x, _y;
if(_conn) {
var _st = _rat * (array_length(_lines) - 1);
_p0 = array_safe_get(_lines, floor(_st) + 0,, ARRAY_OVERFLOW._default);
_p1 = array_safe_get(_lines, floor(_st) + 1,, ARRAY_OVERFLOW._default);
if(!is_array(_p0)) return new Point();
if(!is_array(_p1)) return new Point();
_x = lerp(_p0[0], _p1[0], frac(_st));
_y = lerp(_p0[1], _p1[1], frac(_st));
return new Point( _x, _y );
} else {
_p0 = array_safe_get(_lines, _ind * 2 + 0,, ARRAY_OVERFLOW._default);
_p1 = array_safe_get(_lines, _ind * 2 + 1,, ARRAY_OVERFLOW._default);
if(!is_array(_p0)) return new Point();
if(!is_array(_p1)) return new Point();
_x = lerp(_p0[0], _p1[0], _rat);
_y = lerp(_p0[1], _p1[1], _rat);
return new Point( _x, _y );
}
}
function update() {
var _lines = inputs[| 0].getValue();
var _conn = inputs[| 1].getValue();
outputs[| 0].setValue(self);
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(s_node_path_builder, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
}
}