getPoint method

  1. @override
Vector? getPoint(
  1. double t, [
  2. Vector? optionalTarget
])
override

Implementation

@override
Vector? getPoint(double t, [Vector? optionalTarget]) {
    optionalTarget ??= Vector3();
    late Vector3 optTarget;

    if(optionalTarget is Vector2){
      optTarget = Vector3(optionalTarget.x,optionalTarget.y,0);
    }
    else if(optionalTarget is Vector4){
      optTarget = Vector3(optionalTarget.x,optionalTarget.y,optionalTarget.z);
    }
    else{
      optTarget = optionalTarget as Vector3;
    }

	final point = optTarget;

	t *= math.pi * 2;

	final x = math.cos( 2 * t ) * ( 1 + 0.6 * ( math.cos( 5 * t ) + 0.75 * math.cos( 10 * t ) ) );
	final y = math.sin( 2 * t ) * ( 1 + 0.6 * ( math.cos( 5 * t ) + 0.75 * math.cos( 10 * t ) ) );
	final z = 0.35 * math.sin( 5 * t );

	return point.setValues( x, y, z ).scale( scale );
}