69 lines
1.3 KiB
TypeScript
69 lines
1.3 KiB
TypeScript
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import { Range } from "./Range";
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import { Vector2 } from "./Vector2";
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export class Box2
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{
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min:Vector2;
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max:Vector2;
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constructor( min:Vector2 = null, max:Vector2 = null )
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{
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this.min = min;
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this.max = max;
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}
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get size():Vector2
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{
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return this.max.clone().sub( this.min );
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}
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get center():Vector2
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{
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return this.max.clone().add( this.min ).multiply( 0.5 );
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}
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get rangeX():Range
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{
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return new Range( this.min.x, this.max.x );
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}
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get rangeY():Range
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{
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return new Range( this.min.y, this.max.y );
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}
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intersectsBox( box:Box2 )
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{
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return this.rangeX.overlaps( box.rangeX ) && this.rangeY.overlaps( box.rangeY );
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}
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translate( offset:Vector2 )
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{
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this.min.add( offset );
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this.max.add( offset );
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}
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static fromClientRect( clientRect:ClientRect|DOMRect )
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{
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let min = new Vector2( clientRect.left, clientRect.top );
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let max = new Vector2( clientRect.right, clientRect.bottom );
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return new Box2( min, max );
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}
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static toDomRect( box:Box2 )
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{
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let size = box.size;
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let domRect = new DOMRect( box.min.x, box.min.y, size.x, size.y );
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return domRect;
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}
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static updatefromClientRect( box:Box2, clientRect:ClientRect|DOMRect )
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{
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box.min.set( clientRect.left, clientRect.top );
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box.max.set( clientRect.right, clientRect.bottom );
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}
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}
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