path.go
func (p *Path) MoveTo(x, y float64) {
	p.appendToPath(MoveToCmp, x, y)
	p.x = x
	p.y = y
}
func (p *Path) MoveTo(x, y float64) {
	p.appendToPath(MoveToCmp, x, y)
	p.x = x
	p.y = y
}
// MoveTo starts a new path at (x, y) position