64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
var Rectangle = function(_x,_y,_w,_h) {
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var x,y,w,h;
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set(_x,_y,_w,_h);
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function set(_x,_y,_w,_h) {
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x = _x;
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y = _y;
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w = _w;
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h = _h;
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}
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function growToIncludeRectangle(rect) {
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growToIncludePoint(new Point(rect.getMinX(),rect.getMinY()));
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growToIncludePoint(new Point(rect.getMaxX(),rect.getMaxY()));
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}
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function growToIncludePoint(p) {
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var x0 = Math.min(getMinX(),p.x);
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var x1 = Math.max(getMaxX(),p.x);
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var y0 = Math.min(getMinY(),p.y);
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var y1 = Math.max(getMaxY(),p.y);
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var w = x1 - x0;
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var h = y1 - y0;
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set(x0,y0,w,h);
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}
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function getCenter() {
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var cx = (getMaxX()-getMinX()) / 2;
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var cy = (getMaxY()-getMinY()) / 2;
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return new Point(cx,cy);
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}
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function getX() { return x; }
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function getY() { return y; }
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function getWidth() { return w; }
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function getHeight() { return h; }
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function getMinX() { return Math.min(x, x + w); }
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function getMaxX() { return Math.max(x, x + w); }
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function getMinY() { return Math.min(y, y + h); }
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function getMaxY() { return Math.max(y, y + h); }
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function toString() {
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return 'x:' + x + ", y:" + y + ", w:" + w + ", h:" + h;
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}
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return {
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getMinX: getMinX,
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getMaxX: getMaxX,
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getMinY: getMinY,
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getMaxY: getMaxY,
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getWidth: getWidth,
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getHeight: getHeight,
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set: set,
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growToIncludeRectangle: growToIncludeRectangle,
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growToIncludePoint: growToIncludePoint,
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toString: toString,
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getX: getX,
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getY: getY,
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getCenter: getCenter,
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}
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} |