diff --git a/src/kart/KartObjectProxy.cpp b/src/kart/KartObjectProxy.cpp
index 189e7adc..76dcd029 100644
--- a/src/kart/KartObjectProxy.cpp
+++ b/src/kart/KartObjectProxy.cpp
@@ -98,7 +98,7 @@ bool KartObjectProxy::isLocal() {
   return kartState()->on(KART_FLAG_LOCAL);
 }
 
-bool KartObjectProxy::isCpu() {
+bool KartObjectProxy::isCpu() const {
   return kartState()->on(KART_FLAG_CPU);
 }
 
@@ -179,6 +179,15 @@ s32 KartObjectProxy::getAppliedHopStickX() {
 
 KartModel* KartObjectProxy::kartModel() { return mAccessor->mModel; }
 
+u8 KartObjectProxy::getPlayerIdx() const { return kartSettings()->playerIdx; }
+
+void KartObjectProxy::getBodyForward(EGG::Vector3f& out) {
+  const EGG::Matrix34f& pose = kartPhysics()->pose;
+  out.x = pose.mtx[0][0];
+  out.y = pose.mtx[1][0];
+  out.z = pose.mtx[2][0];
+}
+
 f32 KartObjectProxy::getVehicleSpeed() { return kartMove()->speed(); }
 
 KartAction* KartObjectProxy::kartAction() { return mAccessor->mAction; }
@@ -267,6 +276,18 @@ bool KartObjectProxy::isSomeMoveFlagActive() {
   return kartMove()->flags() & 1 << 2;
 }
 
+extern "C" void fn_1_806E8(KartObjectProxy* proxy, bool, bool, bool, bool);
+
+void KartObjectProxy::shouldVanishPlayer(bool vanish) {
+  fn_1_806E8(this, !vanish, false, true, false);
+  KartState* state = kartState();
+  if (vanish) {
+    state->set(KART_FLAG_VANISH);
+  } else {
+    state->reset(KART_FLAG_VANISH);
+  }
+}
+
 const KartHalfPipe* KartObjectProxy::kartHalfPipe() {
   return kartMove()->kartHalfPipe();
 }
diff --git a/src/kart/KartState.hpp b/src/kart/KartState.hpp
index 75487981..ad972435 100644
--- a/src/kart/KartState.hpp
+++ b/src/kart/KartState.hpp
@@ -33,6 +33,7 @@ enum KartFlags {
   KART_FLAG_HALFPIPE_RAMP_LOCAL = 0x43,
   KART_FLAG_WHEELIE_ROT = 0x44,
   KART_FLAG_SKIP_WHEEL_CALC = 0x45,
+  KART_FLAG_VANISH = 0x53,
   KART_FLAG_DISABLE_Y_SUS_FORCE = 0x56,
   KART_FLAG_HALFPIPE_MIDAIR = 0x57,
   KART_FLAG_COL_INVISIBILITY = 0x59,