diff --git a/asm/itcm.s b/asm/itcm.s
index 1e350ab4..5405e3d9 100644
--- a/asm/itcm.s
+++ b/asm/itcm.s
@@ -2328,9 +2328,9 @@ Vec3p_Axpy: ; 0x01ff9e64
 	ldmia sp!, {r4, pc}
 	arm_func_end Vec3p_Axpy
 
-	.global func_01ff9ec0
-	arm_func_start func_01ff9ec0
-func_01ff9ec0: ; 0x01ff9ec0
+	.global Vec3p_Distance
+	arm_func_start Vec3p_Distance
+Vec3p_Distance: ; 0x01ff9ec0
 	stmdb sp!, {r4, lr}
 	ldr r3, [r0, #4]
 	ldr r2, [r1, #4]
@@ -2364,7 +2364,7 @@ _01ff9f14:
 	.align 2, 0
 _01ff9f34: .word 0x040002b0
 _01ff9f38: .word 0x040002b4
-	arm_func_end func_01ff9ec0
+	arm_func_end Vec3p_Distance
 
 	.global func_01ff9f3c
 	arm_func_start func_01ff9f3c
@@ -7649,7 +7649,7 @@ _01ffe874:
 	ldr r3, [r3, #8]
 	mov r1, r9
 	mla r0, r2, r0, r3
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r8
 	movge r0, #0
 	blt _01ffe8c8
diff --git a/asm/main/main_02000000.inc b/asm/main/main_02000000.inc
index 69fcba78..08b53190 100644
--- a/asm/main/main_02000000.inc
+++ b/asm/main/main_02000000.inc
@@ -280,7 +280,7 @@
 .extern Vec3p_Cross
 .extern Vec3p_Length
 .extern Vec3p_Normalize
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ff9f3c
 .extern Atan2
 .extern func_01ffa29c
diff --git a/asm/main/main_02000000.s b/asm/main/main_02000000.s
index d84c391c..6b6c9956 100644
--- a/asm/main/main_02000000.s
+++ b/asm/main/main_02000000.s
@@ -22561,7 +22561,7 @@ func_020104b8: ; 0x020104b8
 	add r2, r2, r2, lsr #31
 	mov r2, r2, asr #0x1
 	str r2, [r6, #0x30]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r0, r0, r0, lsr #31
 	mov r0, r0, asr #0x1
 	str r0, [r6, #0x60]
@@ -57329,7 +57329,7 @@ func_0202b03c: ; 0x0202b03c
 	mov r4, #0
 	ble _0202b0e8
 	ldr r1, [sp, #0x28]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r6
 	bgt _0202b0e8
 	cmp r5, #0x168000
diff --git a/asm/ov00/Actor/Actor.inc b/asm/ov00/Actor/Actor.inc
index 7a105cea..36a22de8 100644
--- a/asm/ov00/Actor/Actor.inc
+++ b/asm/ov00/Actor/Actor.inc
@@ -37,7 +37,7 @@
 .extern Vec3p_Add
 .extern Vec3p_Sub
 .extern Vec3p_Length
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffbe34
 .extern _ZN8Cylinder8OverlapsEPS_
diff --git a/asm/ov00/Actor/Actor.s b/asm/ov00/Actor/Actor.s
index a0b19400..a3dadc26 100644
--- a/asm/ov00/Actor/Actor.s
+++ b/asm/ov00/Actor/Actor.s
@@ -1671,7 +1671,7 @@ _ZN5Actor12XzDistanceToEP5Vec3p: ; 0x020c288c
 	str r2, [sp]
 	str ip, [sp, #4]
 	str r3, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add sp, sp, #0x18
 	ldmia sp!, {r3, pc}
 	arm_func_end _ZN5Actor12XzDistanceToEP5Vec3p
@@ -1679,12 +1679,12 @@ _ZN5Actor12XzDistanceToEP5Vec3p: ; 0x020c288c
 	.global _ZN5Actor14DistanceToLinkEv
 	arm_func_start _ZN5Actor14DistanceToLinkEv
 _ZN5Actor14DistanceToLinkEv: ; 0x020c28d4
-	ldr ip, _020c28e4 ; =func_01ff9ec0
+	ldr ip, _020c28e4 ; =Vec3p_Distance
 	ldr r1, _020c28e8 ; =gPlayerPos
 	add r0, r0, #0x48
 	bx ip
 	.align 2, 0
-_020c28e4: .word func_01ff9ec0
+_020c28e4: .word Vec3p_Distance
 _020c28e8: .word gPlayerPos
 	arm_func_end _ZN5Actor14DistanceToLinkEv
 
@@ -1706,7 +1706,7 @@ _ZN5Actor16XzDistanceToLinkEv: ; 0x020c28ec
 	str r2, [sp, #0x10]
 	str lr, [sp, #0x14]
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add sp, sp, #0x18
 	ldmia sp!, {r3, pc}
 	.align 2, 0
diff --git a/asm/ov00/Actor/ActorManager.inc b/asm/ov00/Actor/ActorManager.inc
index 68a7a1cd..34194983 100644
--- a/asm/ov00/Actor/ActorManager.inc
+++ b/asm/ov00/Actor/ActorManager.inc
@@ -8,7 +8,7 @@
 .extern data_027e077c
 .extern gMapManager
 .extern data_027e103c
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_ov00_0208e72c
 .extern func_ov00_0208e7a4
 .extern func_ov00_0208f318
diff --git a/asm/ov00/Actor/ActorManager.s b/asm/ov00/Actor/ActorManager.s
index fc92a651..665f1734 100644
--- a/asm/ov00/Actor/ActorManager.s
+++ b/asm/ov00/Actor/ActorManager.s
@@ -423,7 +423,7 @@ _020c3930:
 	bne _020c397c
 	mov r1, r7
 	add r0, r2, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r4
 	bge _020c397c
 	ldr r1, [r5]
diff --git a/asm/ov00/Map/MapManager.inc b/asm/ov00/Map/MapManager.inc
index dcc9b89f..9f837b37 100644
--- a/asm/ov00/Map/MapManager.inc
+++ b/asm/ov00/Map/MapManager.inc
@@ -64,7 +64,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ffbe78
 .extern func_01ffe61c
 .extern func_01fffb4c
diff --git a/asm/ov00/Map/MapManager.s b/asm/ov00/Map/MapManager.s
index 4328e994..dec10ce5 100644
--- a/asm/ov00/Map/MapManager.s
+++ b/asm/ov00/Map/MapManager.s
@@ -4495,7 +4495,7 @@ _020854fc:
 	beq _0208555c
 	mov r1, r10
 	add r0, r5, #0x18
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, [r9]
 	mov r4, r0
 	cmp r4, r1
@@ -5468,7 +5468,7 @@ _020862d0:
 	stmia r3, {r0, r1, r2}
 	mov r0, r8
 	mov r1, r3
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r2, [sp, #0x158]
 	add r1, sp, #0x140
 	add r2, r2, r6
@@ -5538,7 +5538,7 @@ _020863a8:
 	beq _02086464
 	add r0, sp, #0x108
 	mov r1, r8
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, [sp, #0x120]
 	cmp r0, r1
 	bgt _02086464
@@ -5563,7 +5563,7 @@ _020863a8:
 _02086464:
 	add r1, sp, #0x108
 	mov r0, r8
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r2, [sp, #0x120]
 	add r1, sp, #0x108
 	add r2, r2, r6
@@ -6016,7 +6016,7 @@ _02086ae0:
 	stmia r3, {r0, r1, r2}
 	mov r0, r8
 	mov r1, r3
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r3, [sp, #0x74]
 	ldr r2, [sp, #0xa0]
 	add r1, sp, #0x68
diff --git a/asm/ov00/Player/PlayerControl.inc b/asm/ov00/Player/PlayerControl.inc
index 755edfd9..76aa87e3 100644
--- a/asm/ov00/Player/PlayerControl.inc
+++ b/asm/ov00/Player/PlayerControl.inc
@@ -45,7 +45,7 @@
 .extern Vec3p_Dot
 .extern Vec3p_Length
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffe468
 .extern func_02002c14
diff --git a/asm/ov00/Player/PlayerControl.s b/asm/ov00/Player/PlayerControl.s
index 8a21b1e6..8cba0ae9 100644
--- a/asm/ov00/Player/PlayerControl.s
+++ b/asm/ov00/Player/PlayerControl.s
@@ -713,7 +713,7 @@ _ZN13PlayerControl18func_ov00_020af6e4EP5Vec3pii: ; 0x020af6e4
 	cmp r5, #0
 	ble _020af72c
 	ldr r0, _020af770 ; =gPlayerPos
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r5
 	addge sp, sp, #4
 	ldmgeia sp!, {r3, r4, r5, r6, pc}
@@ -1055,7 +1055,7 @@ _020afbcc:
 	beq _020afce8
 	ldr r0, _020afe78 ; =gPlayerPos
 	add r1, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r6, r0
 	add r1, sp, #0x10
 	mov r0, r5
@@ -1210,7 +1210,7 @@ _020afdc4:
 _020afe10:
 	ldr r0, _020afe78 ; =gPlayerPos
 	add r1, sp, #4
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r6, r0
 	b _020afe2c
 _020afe24:
@@ -1823,7 +1823,7 @@ _ZN13PlayerControl18func_ov00_020b05e8EP5Vec3p: ; 0x020b05e8
 	ldr r2, [r1, #4]
 	add r0, sp, #4
 	str r2, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1400
 	addgt sp, sp, #0x10
 	movgt r0, #0
diff --git a/asm/ov00/ov00_0207afa0.inc b/asm/ov00/ov00_0207afa0.inc
index efe6aedc..1ed4353e 100644
--- a/asm/ov00/ov00_0207afa0.inc
+++ b/asm/ov00/ov00_0207afa0.inc
@@ -44,7 +44,7 @@
 .extern data_ov09_0211f5dc
 .extern func_01ff892c
 .extern func_01ff9b4c
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ffa8d4
 .extern func_01ffe468
 .extern func_02004730
diff --git a/asm/ov00/ov00_0207afa0.s b/asm/ov00/ov00_0207afa0.s
index e2bc0ab1..4350be09 100644
--- a/asm/ov00/ov00_0207afa0.s
+++ b/asm/ov00/ov00_0207afa0.s
@@ -1086,7 +1086,7 @@ func_ov00_0207b89c: ; 0x0207b89c
 	add r1, r3, r1, lsl #2
 	ldr r1, [r1, #4]
 	add r1, r1, #0x260
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r5, #8]
 	ldr r0, [r4, #0x180]
 	add r0, r0, #1
diff --git a/asm/ov00/ov00_02086cd0.inc b/asm/ov00/ov00_02086cd0.inc
index 34c722e6..f29f79d4 100644
--- a/asm/ov00/ov00_02086cd0.inc
+++ b/asm/ov00/ov00_02086cd0.inc
@@ -169,7 +169,7 @@
 .extern Vec3p_Cross
 .extern Vec3p_Length
 .extern Vec3p_Normalize
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa8d4
 .extern func_01ffa9fc
diff --git a/asm/ov00/ov00_02086cd0.s b/asm/ov00/ov00_02086cd0.s
index c0a22721..60563c82 100644
--- a/asm/ov00/ov00_02086cd0.s
+++ b/asm/ov00/ov00_02086cd0.s
@@ -206,7 +206,7 @@ func_ov00_02086ed4: ; 0x02086ed4
 	add r0, sp, #0x24
 	mov r1, r3
 	str ip, [sp, #0x1c]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0xa000
 	bge _02086fb0
 	ldr r0, _02087080 ; =data_027e0d38
@@ -3154,7 +3154,7 @@ _0208970c:
 	str r3, [sp, #0x48]
 	str r2, [sp, #0x4c]
 	str r8, [sp, #0x50]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0
 	bne _02089770
 	add sp, sp, #0x130
@@ -11275,7 +11275,7 @@ _02090004:
 	bl _ZN10MapManager18func_ov00_02083a1cEiPS_P5Vec3p
 	add r0, sp, #0x74
 	add r1, sp, #0x5c
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x2000
 	blt _02090144
 	ldr r0, _02090320 ; =gMapManager
@@ -11390,7 +11390,7 @@ _0209025c:
 	add r0, sp, #0x24
 	str r3, [sp, #0x2c]
 	str r2, [sp, #0x28]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1800
 	sublt r6, r6, #1
 	addlt r5, r5, #1
@@ -11736,7 +11736,7 @@ _02090688:
 _020906a8:
 	ldr r1, _0209076c ; =gPlayerPos
 	add r0, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	bgt _020906fc
 	mov r0, r4
@@ -11749,7 +11749,7 @@ _020906cc:
 	blt _020906fc
 	ldr r1, _0209076c ; =gPlayerPos
 	add r0, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	ble _020906fc
 	mov r0, r4
diff --git a/asm/ov00/ov00_020980f4.inc b/asm/ov00/ov00_020980f4.inc
index 2bea3e39..64c77ad0 100644
--- a/asm/ov00/ov00_020980f4.inc
+++ b/asm/ov00/ov00_020980f4.inc
@@ -144,7 +144,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa8d4
 .extern func_01ffbf5c
diff --git a/asm/ov00/ov00_020980f4.s b/asm/ov00/ov00_020980f4.s
index 84a6d219..a02d40bd 100644
--- a/asm/ov00/ov00_020980f4.s
+++ b/asm/ov00/ov00_020980f4.s
@@ -18475,7 +18475,7 @@ _020a6970:
 	str r2, [sp, #0x10]
 	str r4, [sp, #0x14]
 	str r3, [sp, #0x18]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r4, r0
 	cmp r4, #0x1800
 	bgt _020a6ad0
diff --git a/asm/ov00/ov00_020b1498.inc b/asm/ov00/ov00_020b1498.inc
index 89a7e78e..1cc1d7d6 100644
--- a/asm/ov00/ov00_020b1498.inc
+++ b/asm/ov00/ov00_020b1498.inc
@@ -234,7 +234,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffb7ec
diff --git a/asm/ov00/ov00_020b1498.s b/asm/ov00/ov00_020b1498.s
index c25e4a8d..4ccc2124 100644
--- a/asm/ov00/ov00_020b1498.s
+++ b/asm/ov00/ov00_020b1498.s
@@ -6430,7 +6430,7 @@ _020b6658:
 	mov r0, r6
 	orr r5, r5, r1, lsl #20
 	add r1, r7, #0xac
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r5
 	blt _020b6808
 _020b66e0:
diff --git a/asm/ov00/ov00_020c3e54.inc b/asm/ov00/ov00_020c3e54.inc
index bb0bad1c..ed7f797d 100644
--- a/asm/ov00/ov00_020c3e54.inc
+++ b/asm/ov00/ov00_020c3e54.inc
@@ -334,7 +334,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ff9f3c
 .extern Atan2
 .extern func_01ffa8d4
diff --git a/asm/ov00/ov00_020c3e54.s b/asm/ov00/ov00_020c3e54.s
index 7965aee7..3ed4ca3d 100644
--- a/asm/ov00/ov00_020c3e54.s
+++ b/asm/ov00/ov00_020c3e54.s
@@ -947,7 +947,7 @@ _020c49fc:
 	beq _020c4a78
 	add r0, sp, #0x20
 	add r1, r6, #8
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, [r6, #0x18]
 	cmp r0, r1
 	addgt sp, sp, #0x2c
@@ -1057,7 +1057,7 @@ _020c4b70:
 	ldr r1, [sp, #4]
 	add r0, r0, r8
 	add r0, r0, #4
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r4
 	bge _020c4bc0
 	mov r4, r0
@@ -1441,7 +1441,7 @@ _020c5090:
 	mov r1, r9
 	add r0, r0, r7
 	add r0, r0, #4
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r6
 	movlt r6, r0
 	movlt r11, r5
@@ -6785,7 +6785,7 @@ _020c958c:
 	bhi _020c95c0
 	add r0, r4, #4
 	add r1, r9, #4
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r7, r0
 	movlt r7, r0
 	movlt r6, r5
@@ -6834,7 +6834,7 @@ _020c9630:
 	bhi _020c9664
 	add r0, r4, #4
 	add r1, r9, #4
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r7, r0
 	movgt r7, r0
 	movgt r6, r5
@@ -13607,10 +13607,10 @@ func_ov00_020cea80: ; 0x020cea80
 	bl func_ov00_020ce914
 	add r0, sp, #0
 	mov r1, r5
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r0, sp, #0
 	mov r1, r5
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, r0
 	mov r0, r6
 	mov r2, r4
@@ -13924,7 +13924,7 @@ func_ov00_020cee58: ; 0x020cee58
 _020cee80:
 	mov r0, r7
 	mov r1, r9
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r6
 	bgt _020ceec4
 	cmp r5, #0
@@ -19945,7 +19945,7 @@ _020d372c:
 	ldmneia sp!, {r4, r5, r6, pc}
 	ldr r1, _020d37cc ; =gPlayerPos
 	add r0, r0, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, [r5]
 	tst r1, #4
 	movne r2, #1
diff --git a/asm/ov04.inc b/asm/ov04.inc
index 346ce059..939b3098 100644
--- a/asm/ov04.inc
+++ b/asm/ov04.inc
@@ -274,7 +274,7 @@
 .extern func_01ff892c
 .extern Vec3p_Add
 .extern Vec3p_Sub
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa8d4
 .extern func_01ffec78
diff --git a/asm/ov04.s b/asm/ov04.s
index 2e61221d..e18b418f 100644
--- a/asm/ov04.s
+++ b/asm/ov04.s
@@ -11864,7 +11864,7 @@ _02106742:
 	add r1, sp, #0x38
 	str r0, [sp, #0x40]
 	add r0, sp, #0x44
-	blx func_01ff9ec0
+	blx Vec3p_Distance
 	mov r1, #1
 	lsl r1, r1, #0xc
 	cmp r0, r1
diff --git a/asm/ov05.inc b/asm/ov05.inc
index c888a438..e207e087 100644
--- a/asm/ov05.inc
+++ b/asm/ov05.inc
@@ -266,7 +266,7 @@
 .extern Vec3p_Sub
 .extern Vec3p_Length
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa8d4
 .extern func_01ffa9fc
diff --git a/asm/ov05.s b/asm/ov05.s
index 1d03ad77..ed184224 100644
--- a/asm/ov05.s
+++ b/asm/ov05.s
@@ -6052,7 +6052,7 @@ _02105968:
 	bl _ZN13LinkStateBase12GetPlayerPosEv
 	mov r1, r0
 	add r0, r6, #0x38
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02105c08 ; =data_ov05_021124f0
 	ldr r2, [r5, #0x88]
 	ldr r1, [r1, #0x24]
@@ -8952,7 +8952,7 @@ func_ov05_021081cc: ; 0x021081cc
 	ldmneia sp!, {r3, r4, r5, pc}
 	add r0, r5, #4
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r2, [r5, #0x10]
 	ldr r1, [r4, #0x88]
 	add r1, r2, r1
@@ -9250,7 +9250,7 @@ func_ov05_021084f4: ; 0x021084f4
 	str r3, [sp, #0x48]
 	str r5, [sp, #0x4c]
 	str r2, [sp, #0x50]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r2, [sp, #0x80]
 	ldr r1, [sp, #0x6c]
 	mov r4, r0
@@ -13766,7 +13766,7 @@ _0210c398:
 	bl _ZN13LinkStateBase12GetPlayerPosEv
 	mov r1, r0
 	add r0, sp, #0x54
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	b _0210c3f8
 _0210c3ec:
 	add sp, sp, #0x78
diff --git a/asm/ov12.inc b/asm/ov12.inc
index e3e4facd..798e48f5 100644
--- a/asm/ov12.inc
+++ b/asm/ov12.inc
@@ -202,7 +202,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffbe34
diff --git a/asm/ov12.s b/asm/ov12.s
index b15398c7..f69a0908 100644
--- a/asm/ov12.s
+++ b/asm/ov12.s
@@ -2261,7 +2261,7 @@ _02114964:
 _02114974:
 	mov r0, r5
 	add r1, r10, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1c00
 	ble _021149a0
 	ldr r0, _02114aa0 ; =0x0000019a
diff --git a/asm/ov14/ov14_0211f640.inc b/asm/ov14/ov14_0211f640.inc
index f8f6e84a..27b6aaa8 100644
--- a/asm/ov14/ov14_0211f640.inc
+++ b/asm/ov14/ov14_0211f640.inc
@@ -212,7 +212,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffbe34
diff --git a/asm/ov14/ov14_0211f640.s b/asm/ov14/ov14_0211f640.s
index 5bdf4bfb..861f3cfb 100644
--- a/asm/ov14/ov14_0211f640.s
+++ b/asm/ov14/ov14_0211f640.s
@@ -19303,7 +19303,7 @@ func_ov14_0212f08c: ; 0x0212f08c
 	str r2, [sp, #0xc]
 	ldr r2, [r6, #0x50]
 	str r2, [sp, #0x10]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x800
 	bgt _0212f154
 	ldr r4, [r6, #0x158]
diff --git a/asm/ov14/ov14_0213b778.inc b/asm/ov14/ov14_0213b778.inc
index 82664f2a..dd8fc5a5 100644
--- a/asm/ov14/ov14_0213b778.inc
+++ b/asm/ov14/ov14_0213b778.inc
@@ -233,7 +233,7 @@
 .extern Vec3p_Dot
 .extern Vec3p_Length
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffbe34
diff --git a/asm/ov14/ov14_0213b778.s b/asm/ov14/ov14_0213b778.s
index 44870c57..6c78d6f0 100644
--- a/asm/ov14/ov14_0213b778.s
+++ b/asm/ov14/ov14_0213b778.s
@@ -3786,7 +3786,7 @@ _0213e42c:
 _0213e44c:
 	ldr r0, [sp, #4]
 	ldr r1, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r4
 	ldrsh r0, [r10, #0xa]
 	bge _0213e484
@@ -4178,7 +4178,7 @@ _0213e788:
 	bhs _0213ea5c
 	add r1, r6, r5, lsl #2
 	ldr r1, [r1, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, #0x3c000
 	umull r7, r3, r0, r1
 	mov r1, #0
@@ -21834,7 +21834,7 @@ func_ov14_0214c450: ; 0x0214c450
 	ldr r2, [r1, #8]
 	mov r1, r4
 	str r2, [r4, #0x14]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r4, #0x18]
 	mov r0, #0
 	str r0, [r4, #0x1c]
diff --git a/asm/ov15.inc b/asm/ov15.inc
index e73c546d..bab51fd7 100644
--- a/asm/ov15.inc
+++ b/asm/ov15.inc
@@ -299,7 +299,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ff9f3c
 .extern Atan2
 .extern func_01ffa8d4
diff --git a/asm/ov15.s b/asm/ov15.s
index ac97568a..39fe9fad 100644
--- a/asm/ov15.s
+++ b/asm/ov15.s
@@ -7197,7 +7197,7 @@ _0212586c:
 	bl func_ov15_02123524
 	add r0, r5, #0x15c
 	add r1, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r3, sp, #0x24
 	add r1, r5, #0x168
 	mov r6, r0
@@ -7617,7 +7617,7 @@ _02125e44:
 	add r1, sp, #0x18
 	add r0, r5, #0x48
 	str r2, [sp, #0x1c]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02125f7c ; =0x0000019a
 	cmp r0, r1
 	bge _02125eb4
@@ -8054,7 +8054,7 @@ func_ov15_02126398: ; 0x02126398
 	ldr r2, [r4, #0x1c]
 	add r0, r4, #0x18
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r4, #0xa8]
 	add sp, sp, #0xc
 	ldmia sp!, {r3, r4, pc}
@@ -10146,7 +10146,7 @@ func_ov15_02127ba8: ; 0x02127ba8
 	ldr r2, [r4, #0x1c]
 	add r0, r4, #0x18
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r4, #0x80]
 	add sp, sp, #0xc
 	ldmia sp!, {r3, r4, pc}
@@ -10700,7 +10700,7 @@ func_ov15_021282e8: ; 0x021282e8
 	ldr r2, [r4, #0x1c]
 	add r0, r4, #0x18
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r4, #0x80]
 	add sp, sp, #0xc
 	ldmia sp!, {r3, r4, pc}
@@ -11467,7 +11467,7 @@ func_ov15_02128d8c: ; 0x02128d8c
 	ldr r2, [r4, #0x1c]
 	add r0, r4, #0x18
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r4, #0x80]
 	add sp, sp, #0xc
 	ldmia sp!, {r3, r4, pc}
@@ -14301,7 +14301,7 @@ func_ov15_0212b30c: ; 0x0212b30c
 	add r1, sp, #0xc
 	str r2, [sp, #8]
 	str r3, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x20000
 	addlt sp, sp, #0x18
 	movlt r0, #0
@@ -20644,7 +20644,7 @@ _02130a70:
 	bne _02130aa8
 	ldr r0, _02130bb8 ; =gPlayerPos
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0xa000
 	addge sp, sp, #0x34
 	ldmgeia sp!, {r3, r4, pc}
@@ -20745,7 +20745,7 @@ func_ov15_02130bbc: ; 0x02130bbc
 	ldmeqia sp!, {r4, pc}
 	ldr r0, _02130c34 ; =gPlayerPos
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x6000
 	bge _02130c28
 	mov r0, r4
@@ -24373,7 +24373,7 @@ func_ov15_02133e98: ; 0x02133e98
 	mov r0, r3
 	orr r5, r5, r1, lsl #20
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r5
 	bge _02133f5c
 	ldrh r0, [r4, #0x22]
@@ -25390,7 +25390,7 @@ _02134c70:
 	beq _02134cdc
 	ldr r1, _02134cf8 ; =gPlayerPos
 	add r0, r6, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, #0xa
 	mul r1, r0, r1
 	add r0, r1, #0x800
@@ -25430,7 +25430,7 @@ func_ov15_02134cfc: ; 0x02134cfc
 	beq _02134d5c
 	ldr r1, _02134d68 ; =gPlayerPos
 	add r0, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, #0xa
 	mul r1, r0, r1
 	add r0, r1, #0x800
@@ -25950,7 +25950,7 @@ func_ov15_0213543c: ; 0x0213543c
 	bne _02135470
 	ldr r1, _02135480 ; =gPlayerPos
 	add r0, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, #0xa
 	mul r1, r0, r1
 	add r0, r1, #0x800
@@ -26207,7 +26207,7 @@ func_ov15_021356e8: ; 0x021356e8
 	ldr r2, [r0, #0x50]
 	add r0, sp, #0
 	str r2, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0xd000
 	ldrlt r0, _021358dc ; =0x0000051f
 	cmplt r5, r0
@@ -34928,7 +34928,7 @@ _0213d024:
 	add r1, sp, #0x18
 	mov r0, r5
 	str r2, [sp, #0x20]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	subs r8, r8, r0
 	bmi _0213d09c
 	ldrh r1, [r9, #0xc]
@@ -35278,7 +35278,7 @@ _0213d44c:
 _0213d488:
 	mov r0, r4
 	mov r1, r6
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r7
 	movle r0, #2
 	ldmleia sp!, {r3, r4, r5, r6, r7, pc}
@@ -35334,7 +35334,7 @@ _0213d53c:
 	mov r0, #0xc
 	smlabb r0, r2, r0, r1
 	ldr r1, _0213d5e8 ; =gPlayerPos
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x2000
 	bge _0213d5b4
 	ldrsh r0, [r5, #0xe]
@@ -35412,7 +35412,7 @@ _0213d648:
 	ldr r0, [r10, #4]
 	mov r1, r4
 	add r0, r0, r8
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r7
 	movlt r7, r0
 	add r0, r5, #1
@@ -43870,7 +43870,7 @@ _02144928:
 	add r1, r4, #0xb8
 	add r0, r0, #0x400
 	add r1, r1, #0x400
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r3, r4, #0xb8
 	add r1, r4, #0xc4
 	str r0, [r4, #0x468]
@@ -46736,7 +46736,7 @@ func_ov15_02146efc: ; 0x02146efc
 	ldr r2, [r0, #0x1c]
 	add r0, r0, #0x18
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x30000
 	movle r0, #1
 	movgt r0, #0
@@ -48567,7 +48567,7 @@ _021488b4:
 	str r2, [sp, #8]
 	ldr r2, [r5, #0x50]
 	str r2, [sp, #0xc]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r4
 	ble _021489b4
 	smull r0, r2, r4, r4
@@ -57821,7 +57821,7 @@ _02150578:
 	bl func_ov00_020c6940
 	add r0, sp, #0x48
 	add r1, sp, #0x64
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x32000
 	bge _021505d4
 	cmp r9, #0
@@ -60300,7 +60300,7 @@ func_ov15_02152694: ; 0x02152694
 	add r0, r4, #0xc4
 	mov r1, ip
 	add r0, r0, #0x400
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r3, r4, #0xb8
 	add r1, r4, #0xc4
 	str r0, [r4, #0x468]
@@ -69432,7 +69432,7 @@ _0215a5f8:
 	str r3, [sp, #4]
 	ldr r2, [r2, #0xc]
 	str r2, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, [r10, #0x1ec]
 	add r1, r10, r1, lsl #2
 	str r0, [r1, #0x214]
@@ -69443,7 +69443,7 @@ _0215a5f8:
 _0215a680:
 	add r0, r10, #0x48
 	add r1, r2, #4
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r0, r0, lsl #0x1
 	str r0, [r10, #0x224]
 	str r0, [r10, #0x220]
@@ -71796,7 +71796,7 @@ _0215c710:
 	str r2, [sp, #0xc]
 	ldr r2, [r10, #8]
 	str r2, [sp, #0x10]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r7
 	ble _0215c7a8
 	ldr r3, [sp, #0x38]
@@ -71861,7 +71861,7 @@ _0215c824:
 	str r2, [sp, #8]
 	ldr r2, [r10, #8]
 	str r2, [sp, #0xc]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r7
 	ble _0215c888
 	ldr r3, [sp, #0x28]
@@ -72264,7 +72264,7 @@ _0215cda8:
 	add r1, sp, #0xc
 	str r3, [sp, #0x18]
 	str r2, [sp, #0x20]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, [r4]
 	cmp r0, r1
 	bge _0215ced0
@@ -78473,7 +78473,7 @@ _021621c4:
 	bl func_ov00_020c6940
 	add r0, sp, #0x44
 	add r1, sp, #0x60
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x32000
 	bge _02162220
 	cmp r9, #0
@@ -98230,7 +98230,7 @@ _02173264:
 	add r1, r6, #0x11c
 	add r0, sp, #0x2c
 	add r1, r1, #0x400
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, r7, asr #0x4
 	mov r3, r1, lsl #0x1
 	add r1, r3, #1
@@ -98522,7 +98522,7 @@ _021736a4:
 	mov r1, r5
 	str r3, [sp, #0x10]
 	str r2, [sp, #0x14]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r4, #0x18]
 	ldr r2, [sp, #0x10]
 	ldr r0, [r5, #4]
@@ -105360,7 +105360,7 @@ func_ov15_0217934c: ; 0x0217934c
 	orr r3, r3, r2, lsl #20
 	add r2, r5, r3
 	str r2, [sp, #0xa8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, [sp, #0xb8]
 	add r1, r1, #0x2000
 	cmp r0, r1
@@ -109046,7 +109046,7 @@ _0217c738:
 	beq _0217c7a4
 	ldr r1, _0217c7f4 ; =gPlayerPos
 	add r0, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, #0xa
 	mul r1, r0, r1
 	add r0, r1, #0x800
@@ -115243,7 +115243,7 @@ func_ov15_02181b5c: ; 0x02181b5c
 	bl func_0202b2e8
 	ldr r1, _02181c3c ; =gPlayerPos
 	add r0, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x5000
 	addge sp, sp, #0x14
 	ldmgeia sp!, {r3, r4, pc}
@@ -116071,7 +116071,7 @@ _021827a8:
 	mov r1, r5
 	str r3, [sp, #0x10]
 	str r2, [sp, #0x14]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [r4, #0x18]
 	ldr r2, [sp, #0x10]
 	ldr r0, [r5, #4]
@@ -116779,7 +116779,7 @@ _02182ff0:
 _021830c0:
 	add r0, sp, #0x30
 	add r1, r6, #0x324
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, r7, asr #0x4
 	mov r3, r1, lsl #0x1
 	add r1, r3, #1
@@ -118716,7 +118716,7 @@ func_ov15_02184a40: ; 0x02184a40
 	tst r0, #0xff
 	ldmneia sp!, {r3, r4, r5, pc}
 	ldr r0, _02184a88 ; =gPlayerPos
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r1, r0
 	mov r0, r5
 	mov r2, r4
@@ -119656,7 +119656,7 @@ func_ov15_02185638: ; 0x02185638
 	stmia r4, {r0, r1, r2}
 	mov r0, r4
 	mov r1, r5
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x28000
 	movle r4, #0x7f
 	ble _021856c0
diff --git a/asm/ov17.inc b/asm/ov17.inc
index ce726941..91a63325 100644
--- a/asm/ov17.inc
+++ b/asm/ov17.inc
@@ -140,7 +140,7 @@
 .extern Vec3p_Add
 .extern Vec3p_Sub
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffbe34
diff --git a/asm/ov17.s b/asm/ov17.s
index 254a40a8..15c690f1 100644
--- a/asm/ov17.s
+++ b/asm/ov17.s
@@ -4513,7 +4513,7 @@ _0215edf4:
 _0215ee1c:
 	ldr r0, _0215ee58 ; =gPlayerPos
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	ble _0215ee3c
 	mov r0, r4
@@ -5167,7 +5167,7 @@ _0215f6a4:
 _0215f6cc:
 	ldr r0, _0215f714 ; =gPlayerPos
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	ble _0215f6ec
 	mov r0, r4
@@ -13871,7 +13871,7 @@ func_ov17_0216622c: ; 0x0216622c
 	add r1, sp, #0xc
 	str r3, [sp, #8]
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	movlt r0, #1
 	movge r0, #0
@@ -15512,7 +15512,7 @@ func_ov17_02167878: ; 0x02167878
 	ldr r2, [r2, #8]
 	add r0, r0, #0x18
 	str r2, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x4000
 	movge r0, #1
 	movlt r0, #0
@@ -17644,7 +17644,7 @@ func_ov17_02169354: ; 0x02169354
 	bl Vec3p_Add
 	add r0, sp, #0
 	mov r1, r5
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02169408 ; =0x00000b33
 	cmp r0, r1
 	addge sp, sp, #0x18
@@ -18420,7 +18420,7 @@ func_ov17_02169d4c: ; 0x02169d4c
 	str r2, [sp, #0x18]
 	ldr r2, [r4, #0x50]
 	str r2, [sp, #0x1c]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x800
 	bge _02169e50
 	ldr r0, [sp]
diff --git a/asm/ov18.inc b/asm/ov18.inc
index af5f06d2..97faab74 100644
--- a/asm/ov18.inc
+++ b/asm/ov18.inc
@@ -139,7 +139,7 @@
 .extern Vec3p_Add
 .extern Vec3p_Sub
 .extern Vec3p_Length
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa8d4
 .extern func_01ffa9fc
diff --git a/asm/ov18.s b/asm/ov18.s
index a716dfb6..eb5a4c06 100644
--- a/asm/ov18.s
+++ b/asm/ov18.s
@@ -8916,7 +8916,7 @@ _02162658:
 	ldr r2, [r1, #8]
 	add r1, r5, #0x18
 	str r2, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	bgt _02162708
 	ldr r0, [r4]
@@ -13844,7 +13844,7 @@ func_ov18_02166700: ; 0x02166700
 	mov r4, r1
 	add r0, r0, #0x400
 	add r1, r5, #0x4e0
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r1, r5, #0xf8
 	str r0, [r5, #0x490]
 	add r0, r1, #0x400
@@ -14076,13 +14076,13 @@ func_ov18_021669a0: ; 0x021669a0
 	add r1, r4, #0x4e0
 	str r2, [r4, #0x508]
 	ldr r8, [sp, #0x4c]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r2, r4, #0xf8
 	add r1, r4, #0x104
 	mov r6, r0
 	add r0, r1, #0x400
 	add r1, r2, #0x400
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r7, r0
 	cmp r6, #0
 	mov r1, r8
@@ -14610,7 +14610,7 @@ _0216712c:
 	str r3, [sp, #0x48]
 	str r4, [sp, #0x4c]
 	str r2, [sp, #0x50]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x4000
 	bge _02167354
 	ldrb r0, [r6, #0x474]
diff --git a/asm/ov20.inc b/asm/ov20.inc
index 25bd4f21..9af18679 100644
--- a/asm/ov20.inc
+++ b/asm/ov20.inc
@@ -139,7 +139,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffbe78
 .extern func_01fffbec
diff --git a/asm/ov20.s b/asm/ov20.s
index 797fc3f9..bd41c2ae 100644
--- a/asm/ov20.s
+++ b/asm/ov20.s
@@ -7663,7 +7663,7 @@ func_ov20_02173ce4: ; 0x02173ce4
 	add r2, r1, #0x1000
 	ldr r1, _02173e34 ; =gPlayerPos
 	str r2, [sp, #0x44]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r4, r0
 	add r1, sp, #0x14
 	mov r0, r6
diff --git a/asm/ov22.inc b/asm/ov22.inc
index 78e9bb73..d5ab01c4 100644
--- a/asm/ov22.inc
+++ b/asm/ov22.inc
@@ -147,7 +147,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffbe78
 .extern func_01fffb4c
diff --git a/asm/ov22.s b/asm/ov22.s
index abfb895c..30f12a39 100644
--- a/asm/ov22.s
+++ b/asm/ov22.s
@@ -3701,7 +3701,7 @@ _02170778:
 	ldr r2, [r1, #0x10]
 	add r1, r4, #0x54
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r0, r0, r0, lsl #2
 	mov r0, r0, lsl #0xe
 	add r1, r0, #0x800
diff --git a/asm/ov23.inc b/asm/ov23.inc
index 0b112b09..076d1faa 100644
--- a/asm/ov23.inc
+++ b/asm/ov23.inc
@@ -193,7 +193,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffbe34
 .extern func_01ffbe78
diff --git a/asm/ov23.s b/asm/ov23.s
index aea8bb02..46c139c5 100644
--- a/asm/ov23.s
+++ b/asm/ov23.s
@@ -953,7 +953,7 @@ _0216e2d0:
 	ldr r2, [r1, #0x10]
 	add r1, r4, #0x54
 	str r2, [sp, #4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r0, r0, lsl #0x10
 	add r1, r0, #0x800
 	add r0, sp, #4
diff --git a/asm/ov25.inc b/asm/ov25.inc
index 08df3cea..951345c9 100644
--- a/asm/ov25.inc
+++ b/asm/ov25.inc
@@ -146,7 +146,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffe1cc
 .extern func_01fffcd8
diff --git a/asm/ov25.s b/asm/ov25.s
index 586b75a2..d28fd760 100644
--- a/asm/ov25.s
+++ b/asm/ov25.s
@@ -786,7 +786,7 @@ func_ov25_0216e0dc: ; 0x0216e0dc
 	bl func_0202b154
 	mov r1, r4
 	add r0, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _0216e170 ; =0x0000019a
 	cmp r0, r1
 	bge _0216e124
@@ -888,7 +888,7 @@ func_ov25_0216e238: ; 0x0216e238
 	bl func_0202b154
 	mov r1, r5
 	add r0, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _0216e374 ; =0x0000019a
 	cmp r0, r1
 	bge _0216e288
@@ -11081,7 +11081,7 @@ func_ov25_02176c10: ; 0x02176c10
 	bl _ZN5Actor18func_ov00_020c1e2cEiP5Vec3p
 	add r0, r5, #0x14
 	add r1, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x5000
 	ble _02176c94
 	mov r0, r5
diff --git a/asm/ov26.inc b/asm/ov26.inc
index cace4021..cfeae53d 100644
--- a/asm/ov26.inc
+++ b/asm/ov26.inc
@@ -161,7 +161,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ffbe34
 .extern func_01ffe468
 .extern func_01fffbec
diff --git a/asm/ov26.s b/asm/ov26.s
index e250dffa..345156c4 100644
--- a/asm/ov26.s
+++ b/asm/ov26.s
@@ -14095,7 +14095,7 @@ func_ov26_021782ac: ; 0x021782ac
 	stmia r3, {r0, r1, r2}
 	mov r0, r3
 	mov r1, r5
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	rsb r0, r0, #0xe000
 	ldrb r2, [r4, #1]
 	ldr r1, _021783ac ; =data_ov26_0217968c
@@ -15010,7 +15010,7 @@ _02178ea8:
 	ble _02178ecc
 	mov r0, r7
 	mov r1, r8
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1200
 	ldmltia sp!, {r3, r4, r5, r6, r7, r8, r9, pc}
 _02178ecc:
diff --git a/asm/ov27.inc b/asm/ov27.inc
index 278966d5..26482e1e 100644
--- a/asm/ov27.inc
+++ b/asm/ov27.inc
@@ -132,7 +132,7 @@
 .extern Vec3p_Sub
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffbe34
 .extern func_01ffbe78
diff --git a/asm/ov27.s b/asm/ov27.s
index e1cc6665..60ad1055 100644
--- a/asm/ov27.s
+++ b/asm/ov27.s
@@ -6010,7 +6010,7 @@ func_ov27_02172ab8: ; 0x02172ab8
 	str r2, [sp, #4]
 	ldr r2, [r4, #0x50]
 	str r2, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02172ccc ; =0x00002666
 	cmp r0, r1
 	bge _02172b58
diff --git a/asm/ov28.inc b/asm/ov28.inc
index 272c490a..a6cb9ed6 100644
--- a/asm/ov28.inc
+++ b/asm/ov28.inc
@@ -141,7 +141,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01fffbec
 .extern func_01fffd04
diff --git a/asm/ov28.s b/asm/ov28.s
index 887e9df0..96a77978 100644
--- a/asm/ov28.s
+++ b/asm/ov28.s
@@ -4057,7 +4057,7 @@ func_ov28_02170b54: ; 0x02170b54
 	add r1, r4, #0xfc
 	add r0, r0, #0x400
 	add r1, r1, #0x400
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r3, r4, #0xfc
 	add r1, r4, #0x108
 	str r0, [r4, #0x4a8]
@@ -7195,7 +7195,7 @@ func_ov28_02173330: ; 0x02173330
 	str ip, [sp]
 	str r4, [sp, #4]
 	str r3, [sp, #8]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r4, r0
 	ldr r0, _021733c0 ; =data_ov00_020eec68
 	bl func_ov00_020d7180
diff --git a/asm/ov29.inc b/asm/ov29.inc
index a07f4b51..838d84c3 100644
--- a/asm/ov29.inc
+++ b/asm/ov29.inc
@@ -128,7 +128,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01fffb4c
 .extern func_01fffbec
diff --git a/asm/ov29.s b/asm/ov29.s
index f429c2c5..fcebbac1 100644
--- a/asm/ov29.s
+++ b/asm/ov29.s
@@ -12383,7 +12383,7 @@ func_ov29_02177db4: ; 0x02177db4
 	bl func_0202b2e8
 	add r0, sp, #0
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02177e94 ; =0x00000ccd
 	ldr ip, [r4, #0x48]
 	ldr r3, [r4, #0x54]
@@ -12501,7 +12501,7 @@ func_ov29_02177f28: ; 0x02177f28
 _02177f98:
 	add r0, sp, #0
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02177fe8 ; =0x00000ccd
 	cmp r0, r1
 	bge _02177fc4
diff --git a/asm/ov30.inc b/asm/ov30.inc
index fe2bef77..7553b9da 100644
--- a/asm/ov30.inc
+++ b/asm/ov30.inc
@@ -108,7 +108,7 @@
 .extern Vec3p_Add
 .extern Vec3p_Sub
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffbe34
 .extern func_01ffbf5c
diff --git a/asm/ov30.s b/asm/ov30.s
index 2105b230..684397a2 100644
--- a/asm/ov30.s
+++ b/asm/ov30.s
@@ -9691,7 +9691,7 @@ func_ov30_02183818: ; 0x02183818
 	ldr r6, [r5, #0x98]
 	add r0, r5, #0x48
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r6
 	bge _021838ec
 	ldr r1, [r4, #4]
diff --git a/asm/ov32.inc b/asm/ov32.inc
index 092dd4e8..4b2fcd1b 100644
--- a/asm/ov32.inc
+++ b/asm/ov32.inc
@@ -121,7 +121,7 @@
 .extern Vec3p_Sub
 .extern Vec3p_Length
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffbf5c
diff --git a/asm/ov32.s b/asm/ov32.s
index d3538ab4..8e6ac2fb 100644
--- a/asm/ov32.s
+++ b/asm/ov32.s
@@ -8004,7 +8004,7 @@ func_ov32_0218252c: ; 0x0218252c
 	str r3, [r4, #0x88]
 	add r1, r4, #0x84
 	str r2, [r4, #0x8c]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _021826a4 ; =data_027e0e58
 	str r0, [r4, #0x9c]
 	ldr r0, [r1]
diff --git a/asm/ov33.inc b/asm/ov33.inc
index 9d7ee15b..33aaf2f3 100644
--- a/asm/ov33.inc
+++ b/asm/ov33.inc
@@ -90,7 +90,7 @@
 .extern Vec3p_Add
 .extern Vec3p_Sub
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffe1cc
 .extern func_01fffcec
diff --git a/asm/ov33.s b/asm/ov33.s
index 0a9dd092..efdedd10 100644
--- a/asm/ov33.s
+++ b/asm/ov33.s
@@ -2904,7 +2904,7 @@ func_ov33_0217e1c8: ; 0x0217e1c8
 _0217e29c:
 	add r0, r4, #0x14
 	add r1, r4, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x3000
 	ble _0217e36c
 	mov r0, r4
diff --git a/asm/ov34.inc b/asm/ov34.inc
index 582fe3b2..aff8348d 100644
--- a/asm/ov34.inc
+++ b/asm/ov34.inc
@@ -94,7 +94,7 @@
 .extern Vec3p_Add
 .extern Vec3p_Sub
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01fffcec
diff --git a/asm/ov34.s b/asm/ov34.s
index 8f6f90d5..e50dc1df 100644
--- a/asm/ov34.s
+++ b/asm/ov34.s
@@ -1900,7 +1900,7 @@ _0217d740:
 	mov r0, r4
 	str r3, [sp, #0x8c]
 	str r2, [sp, #0x88]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	bge _0217de8c
 	ldr r0, _0217de98 ; =data_ov34_021861a0
@@ -3514,7 +3514,7 @@ _0217ee90:
 	stmia r4, {r0, r1, r2}
 	mov r1, r4
 	add r0, r8, #0x1c00
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, r5
 	movlt r5, r0
 	strlt r6, [r9, #0xd74]
diff --git a/asm/ov35.inc b/asm/ov35.inc
index 2a3b0bb2..a4527abe 100644
--- a/asm/ov35.inc
+++ b/asm/ov35.inc
@@ -123,7 +123,7 @@
 .extern Vec3p_Sub
 .extern Vec3p_Length
 .extern Vec3p_Normalize
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffbe78
diff --git a/asm/ov35.s b/asm/ov35.s
index 423b28af..54501783 100644
--- a/asm/ov35.s
+++ b/asm/ov35.s
@@ -10341,7 +10341,7 @@ _02184c7c:
 	mov r4, r0
 	add r0, sp, #0xc
 	add r1, sp, #0x18
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r2, r7, asr #0x4
 	ldr r1, _02184d5c ; =gSinCosTable
 	mov r2, r2, lsl #0x2
diff --git a/asm/ov37.inc b/asm/ov37.inc
index 64a7e88e..c0cb50ff 100644
--- a/asm/ov37.inc
+++ b/asm/ov37.inc
@@ -109,7 +109,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa9fc
 .extern func_01ffbe78
diff --git a/asm/ov37.s b/asm/ov37.s
index cee381c5..76e9cec3 100644
--- a/asm/ov37.s
+++ b/asm/ov37.s
@@ -12559,7 +12559,7 @@ func_ov37_02186b68: ; 0x02186b68
 	add r0, r4, #0xc
 	add r1, sp, #0x2c
 	add r0, r0, #0x400
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	add r1, r4, #0xc
 	mov r5, r0
 	add r0, r1, #0x400
diff --git a/asm/ov38.inc b/asm/ov38.inc
index 065cfcf8..0719ba58 100644
--- a/asm/ov38.inc
+++ b/asm/ov38.inc
@@ -109,7 +109,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffa94c
 .extern func_01ffa9fc
diff --git a/asm/ov38.s b/asm/ov38.s
index 190c8700..44d2e6a7 100644
--- a/asm/ov38.s
+++ b/asm/ov38.s
@@ -2020,7 +2020,7 @@ func_ov38_0217d918: ; 0x0217d918
 	bl Vec3p_Add
 	add r0, r7, #0x48
 	add r1, r7, #0x14
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x3000
 	bge _0217d9f0
 	add r1, sp, #0xc
diff --git a/asm/ov39.inc b/asm/ov39.inc
index aa2121de..aedcf25f 100644
--- a/asm/ov39.inc
+++ b/asm/ov39.inc
@@ -110,7 +110,7 @@
 .extern Vec3p_Sub
 .extern Vec3p_Length
 .extern Vec3p_Normalize
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01fffbec
 .extern func_01fffcd8
diff --git a/asm/ov39.s b/asm/ov39.s
index f9f6e7c5..ca423bf6 100644
--- a/asm/ov39.s
+++ b/asm/ov39.s
@@ -5413,7 +5413,7 @@ _021807c4:
 	ldr r1, [r5, #0x280]
 	add r0, sp, #0x44
 	add r1, r1, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02180f58 ; =0x00000333
 	cmp r0, r1
 	addge sp, sp, #0x130
@@ -9393,7 +9393,7 @@ _02183f0c:
 	add r0, sp, #0x2c
 	add r1, r7, #0x220
 	str r2, [sp, #0x30]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [sp, #0x5c]
 	str r0, [r7, #0x1dc]
 	mov r0, #0
@@ -9851,7 +9851,7 @@ _021845e0:
 	add r0, sp, #8
 	add r1, sp, #0x20
 	str r2, [sp, #0xa4]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	str r0, [sp, #0xac]
 	add r0, sp, #8
 	add r1, sp, #0x14
@@ -9866,7 +9866,7 @@ _021845e0:
 	str r0, [sp, #0x3c]
 	add r0, sp, #8
 	add r1, sp, #0x14
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r2, [sp, #0xa4]
 	ldr r1, [sp, #0x3c]
 	str r0, [sp, #0x44]
diff --git a/asm/ov45.inc b/asm/ov45.inc
index 81d19265..c6f3eb35 100644
--- a/asm/ov45.inc
+++ b/asm/ov45.inc
@@ -75,7 +75,7 @@
 .extern data_ov09_0211f524
 .extern data_ov09_0211f52c
 .extern func_01ff9158
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ffbe34
 .extern func_020052e4
 .extern func_02007908
diff --git a/asm/ov45.s b/asm/ov45.s
index f6dd8ff9..bfea5169 100644
--- a/asm/ov45.s
+++ b/asm/ov45.s
@@ -4353,7 +4353,7 @@ func_ov45_0218cb5c: ; 0x0218cb5c
 	add r2, r0, #0x1000
 	mov r0, r3
 	str r2, [sp, #0x18]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	mov r4, r0
 	add r1, sp, #0
 	mov r0, r5
diff --git a/asm/ov47.inc b/asm/ov47.inc
index c95fedcc..a3392c79 100644
--- a/asm/ov47.inc
+++ b/asm/ov47.inc
@@ -86,7 +86,7 @@
 .extern Vec3p_Dot
 .extern Vec3p_Length
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern func_01ffbe78
 .extern func_01fffb4c
diff --git a/asm/ov47.s b/asm/ov47.s
index 6eb75cc0..65fea84b 100644
--- a/asm/ov47.s
+++ b/asm/ov47.s
@@ -759,7 +759,7 @@ _02190964:
 	bl Vec3p_Add
 	add r0, sp, #0x84
 	add r1, sp, #0x78
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02190ddc ; =0x00001666
 	cmp r0, r1
 	bgt _02190a84
diff --git a/asm/ov49.inc b/asm/ov49.inc
index ea9542b7..80b2b3ad 100644
--- a/asm/ov49.inc
+++ b/asm/ov49.inc
@@ -96,7 +96,7 @@
 .extern func_01ff8690
 .extern func_01ff9158
 .extern Vec3p_Add
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01fffbec
 .extern func_01fffcd8
 .extern func_01fffd04
diff --git a/asm/ov49.s b/asm/ov49.s
index c09c25e0..e877b818 100644
--- a/asm/ov49.s
+++ b/asm/ov49.s
@@ -1453,7 +1453,7 @@ _0219689c:
 	bgt _021968bc
 	add r0, r5, #0x14
 	add r1, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x8000
 	ble _02196e34
 _021968bc:
@@ -1476,7 +1476,7 @@ _021968e4:
 	blt _0219690c
 	add r0, r5, #0x14
 	add r1, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x2000
 	ble _02196918
 _0219690c:
@@ -1492,7 +1492,7 @@ _02196918:
 _0219692c:
 	add r0, r5, #0x14
 	add r1, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x200
 	mov r0, r5
 	bge _0219695c
diff --git a/asm/ov50.inc b/asm/ov50.inc
index dce43e28..4591ac82 100644
--- a/asm/ov50.inc
+++ b/asm/ov50.inc
@@ -100,7 +100,7 @@
 .extern Vec3p_Length
 .extern Vec3p_Normalize
 .extern Vec3p_Axpy
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern Atan2
 .extern _ZN8Cylinder8OverlapsEPS_
 .extern func_01fffbec
diff --git a/asm/ov50.s b/asm/ov50.s
index 4687abb5..4228f49c 100644
--- a/asm/ov50.s
+++ b/asm/ov50.s
@@ -3453,7 +3453,7 @@ _021982d4:
 	mov r5, r0
 	add r0, r4, #0x48
 	add r1, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x800
 	bge _02198340
 	mov r0, r5
diff --git a/asm/ov53.inc b/asm/ov53.inc
index 7c9bc895..ef956ed4 100644
--- a/asm/ov53.inc
+++ b/asm/ov53.inc
@@ -31,7 +31,7 @@
 .extern data_ov14_02155cfc
 .extern Vec3p_Add
 .extern Vec3p_Sub
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ffa9fc
 .extern func_01ffbe78
 .extern _ZN8Cylinder8OverlapsEPS_
diff --git a/asm/ov53.s b/asm/ov53.s
index 4af9f62c..a06dd2c0 100644
--- a/asm/ov53.s
+++ b/asm/ov53.s
@@ -664,7 +664,7 @@ func_ov53_021994cc: ; 0x021994cc
 	bl func_ov53_0219902c
 	mov r1, r0
 	mov r0, r5
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x800
 	ble _021996cc
 _02199518:
@@ -1357,7 +1357,7 @@ _02199e50:
 	ble _02199ed4
 	mov r1, r3
 	add r0, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _02199f84 ; =0x00000555
 	cmp r0, r1
 	ble _02199ed4
diff --git a/asm/ov54.inc b/asm/ov54.inc
index 45e972ca..550c3f95 100644
--- a/asm/ov54.inc
+++ b/asm/ov54.inc
@@ -40,7 +40,7 @@
 .extern func_01ff8230
 .extern Vec3p_Add
 .extern Vec3p_Length
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ffa9fc
 .extern func_01fffcec
 .extern func_0202af4c
diff --git a/asm/ov54.s b/asm/ov54.s
index c997494c..2de5a6b0 100644
--- a/asm/ov54.s
+++ b/asm/ov54.s
@@ -287,7 +287,7 @@ _02198fcc:
 	bl _ZN13LinkStateBase12GetPlayerPosEv
 	mov r1, r0
 	add r0, r7, #0x38
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x1000
 	bge _021991f8
 _02199050:
@@ -558,7 +558,7 @@ _02199394:
 	str r2, [sp, #0x14]
 	ldr r2, [r5, #0x50]
 	str r2, [sp, #0x18]
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x800
 	bgt _0219978c
 	ldr r0, _021997b8 ; =data_ov00_020eec9c
@@ -896,7 +896,7 @@ func_ov54_021998d4: ; 0x021998d4
 	ldmneia sp!, {r3, pc}
 	add r0, r0, #4
 	add r1, r1, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0x800
 	movle r0, #1
 	movgt r0, #0
diff --git a/asm/ov57.inc b/asm/ov57.inc
index e5fff255..745b7f8b 100644
--- a/asm/ov57.inc
+++ b/asm/ov57.inc
@@ -45,7 +45,7 @@
 .extern Vec3p_Add
 .extern Vec3p_Sub
 .extern Vec3p_Length
-.extern func_01ff9ec0
+.extern Vec3p_Distance
 .extern func_01ffa9fc
 .extern func_01ffbe78
 .extern func_01fffcec
diff --git a/asm/ov57.s b/asm/ov57.s
index 10b1e34d..a806ea54 100644
--- a/asm/ov57.s
+++ b/asm/ov57.s
@@ -680,7 +680,7 @@ _02199500:
 	beq _02199564
 	add r0, r4, #0x78
 	add r1, r4, #0x18
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0xb000
 	ble _02199590
 _02199564:
@@ -707,7 +707,7 @@ _02199590:
 	beq _021995c4
 	add r0, r4, #0x18
 	add r1, r4, #0x34
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	cmp r0, #0xb000
 	ble _021995fc
 _021995c4:
@@ -1901,7 +1901,7 @@ func_ov57_0219a5ac: ; 0x0219a5ac
 _0219a5ec:
 	mov r1, r8
 	add r0, r10, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldrh r1, [r4, #0x68]
 	mov r7, r0
 	cmp r1, #0
@@ -2088,7 +2088,7 @@ func_ov57_0219a850: ; 0x0219a850
 _0219a888:
 	add r1, sp, #4
 	add r0, r5, #0x48
-	bl func_01ff9ec0
+	bl Vec3p_Distance
 	ldr r1, _0219a95c ; =0x00000e66
 	cmp r0, r1
 	bgt _0219a918
diff --git a/include/lib/math.h b/include/lib/math.h
index a4f4086e..16b5cdd1 100644
--- a/include/lib/math.h
+++ b/include/lib/math.h
@@ -10,8 +10,15 @@ typedef s16 q4;
 
 #define INT_TO_Q20(n) ((s32)((n) << 12))
 #define FLOAT_TO_Q20(n) ((s32)(((n) * 8192 + 1) / 2))
-
 #define ROUND_Q20(n) (((s32)(n) + 0x800) >> 12)
+#define MUL_Q20(a,b) ROUND_Q20((a) * (b))
+
+#define DEG_TO_ANG(n) ((n) * 0x10000 / 360)
+#define SIN(n) (gSinCosTable[2 * ((n) >> 4)])
+#define COS(n) (gSinCosTable[2 * ((n) >> 4) + 1])
+
+extern "C" s16 Atan2(s32 x, s32 y);
+extern q4 gSinCosTable[];
 
 typedef struct {
     /* 0 */ s8 x;
@@ -39,6 +46,19 @@ extern "C" void Vec3p_Cross(Vec3p *a, Vec3p *b, Vec3p *out);
 extern "C" q20 Vec3p_Length(Vec3p *a);
 extern "C" void Vec3p_Normalize(Vec3p *vec, Vec3p *out);
 extern "C" void Vec3p_Axpy(q20 a, Vec3p *x, Vec3p *y, Vec3p *out);
+extern "C" q20 Vec3p_Distance(Vec3p *a, Vec3p *b);
+inline void Vec3p_Rotate(Vec3p *vec, s16 angle, Vec3p *out) {
+    q20 sin = SIN(angle);
+    q20 zSin = MUL_Q20(vec->z, sin);
+    out->x += zSin;
+    q20 cos = COS(angle);
+    q20 zCos = MUL_Q20(vec->z, cos);
+    out->z += zCos;
+    q20 xCos = MUL_Q20(vec->x, cos);
+    out->x += xCos;
+    q20 xSin = MUL_Q20(vec->x, -sin);
+    out->z += xSin;
+}
 
 typedef struct {
     /* 00 */ q20 x;
@@ -55,13 +75,6 @@ typedef struct {
     /* 24 */
 } Mat3p;
 
-#define DEG_TO_ANG(n) ((n) * 0x10000 / 360)
-#define SIN(n) (gSinCosTable[2 * ((n) >> 4)])
-#define COS(n) (gSinCosTable[2 * ((n) >> 4) + 1])
-
-extern "C" s16 Atan2(s32 x, s32 y);
-extern s16 gSinCosTable[];
-
 extern "C" u32 FastDivide(u32 a, u32 b);
 extern "C" u32 Divide(u32 a, u32 b);
 extern "C" bool Approach(unk32 *src, unk32 dest, unk32 step);