Pixel-Composer/scripts/__bbox/__bbox.gml

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function BoundingBox(minx = noone, miny = noone, maxx = noone, maxy = noone) constructor {
self.minx = minx;
self.miny = miny;
self.maxx = maxx;
self.maxy = maxy;
self.width = 0;
self.height = 0;
static addPoint = function(px, py) {
minx = minx == noone? px : min(minx, px);
miny = miny == noone? py : min(miny, py);
maxx = maxx == noone? px : max(maxx, px);
maxy = maxy == noone? py : max(maxy, py);
width = maxx - minx;
height = maxy - miny;
}
static lerpTo = function(bbox, rat) {
var b = new BoundingBox(
lerp( minx, bbox.minx, rat ),
lerp( miny, bbox.miny, rat ),
lerp( maxx, bbox.maxx, rat ),
lerp( maxy, bbox.maxy, rat )
);
return b;
}
static clone = function() { return new BoundingBox(minx, miny, maxx, maxy); }
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}
function node_bbox(x0, y0, x1, y1) constructor {
self.x0 = x0;
self.x1 = x1;
self.y0 = y0;
self.y1 = y1;
xc = (x0 + x1) / 2;
yc = (y0 + y1) / 2;
w = x1 - x0;
h = y1 - y0;
static clone = function() { return node_bbox(x0, y0, x1, y1); };
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}