mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 14:36:13 +01:00
70 lines
No EOL
1.4 KiB
Text
70 lines
No EOL
1.4 KiB
Text
function BoundingBox(minx = noone, miny = noone, maxx = noone, maxy = noone) constructor {
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self.minx = minx;
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self.miny = miny;
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self.maxx = maxx;
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self.maxy = maxy;
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self.width = maxx - minx;
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self.height = maxy - miny;
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static addPoint = function(px, py) {
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minx = minx == noone? px : min(minx, px);
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miny = miny == noone? py : min(miny, py);
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maxx = maxx == noone? px : max(maxx, px);
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maxy = maxy == noone? py : max(maxy, py);
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width = maxx - minx;
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height = maxy - miny;
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}
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static lerpTo = function(bbox, rat) {
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var b = new BoundingBox(
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lerp( minx, bbox.minx, rat ),
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lerp( miny, bbox.miny, rat ),
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lerp( maxx, bbox.maxx, rat ),
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lerp( maxy, bbox.maxy, rat )
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);
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return b;
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}
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static clone = function() { return new BoundingBox(minx, miny, maxx, maxy); }
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}
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function BBOX() { return new __BBOX(); }
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function __BBOX() constructor {
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x0 = 0; x1 = 0;
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y0 = 0; y1 = 0;
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xc = 0; yc = 0;
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w = 0; h = 0;
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static fromPoints = function(x0, y0, x1, y1) {
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self.x0 = x0;
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self.x1 = x1;
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self.y0 = y0;
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self.y1 = y1;
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xc = (x0 + x1) / 2;
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yc = (y0 + y1) / 2;
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w = x1 - x0;
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h = y1 - y0;
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return self;
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}
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static fromWH = function(x0, y0, w, h) {
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self.x0 = x0;
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self.x1 = x0 + w;
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self.y0 = y0;
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self.y1 = y0 + h;
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self.xc = (x0 + x1) / 2;
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self.yc = (y0 + y1) / 2;
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self.w = w;
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self.h = h;
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return self;
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}
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static clone = function() { return BBOX().fromPoints(x0, y0, x1, y1); };
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} |