three/src/extras/curves/QuadraticBezierCurve3.js

JavaScript 3D library

/**************************************************************
 *	Quadratic Bezier 3D curve
 **************************************************************/

THREE.QuadraticBezierCurve3 = THREE.Curve.create(

	function ( v0, v1, v2 ) {

		this.v0 = v0;
		this.v1 = v1;
		this.v2 = v2;

	},

	function ( t ) {

		var b2 = THREE.ShapeUtils.b2;		

		return new THREE.Vector3(
			b2( t, this.v0.x, this.v1.x, this.v2.x ),
			b2( t, this.v0.y, this.v1.y, this.v2.y ),
			b2( t, this.v0.z, this.v1.z, this.v2.z )
		);

	}

);