in sim/simulator.ts [47:53]
updateView() {
this.spriteElement.cx.baseVal.value = this.sprite.x;
this.spriteElement.cy.baseVal.value = this.sprite.y;
this.hareElement.cx.baseVal.value = this.hare.x;
this.hareElement.cy.baseVal.value = this.hare.y;
}