52 lines
656 B
TypeScript
52 lines
656 B
TypeScript
export class Vector2
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{
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x:number = 0;
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y:number = 0;
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constructor( x:number = 0, y:number = 0 )
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{
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this.x = x;
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this.y = y;
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}
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clone():Vector2
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{
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return new Vector2( this.x, this.y );
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}
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set( x:number, y:number )
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{
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this.x = x;
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this.y = y;
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}
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add( other:Vector2 )
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{
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this.x += other.x;
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this.y += other.y;
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return this;
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}
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sub( other:Vector2 )
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{
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this.x -= other.x;
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this.y -= other.y;
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return this;
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}
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multiply( value:number )
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{
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this.x *= value;
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this.y *= value;
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return this;
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}
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get length()
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{
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return Math.sqrt( this.x * this.x + this.y * this.y );
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}
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} |