fix TVec3<f32>::setLength

include/JSystem/J3DGraphAnimator/J3DAnimation.h

@@ -12,13 +12,13 @@ struct J3DAnmKeyTableBase {
 };  // Size = 0x6
 
 struct J3DAnmColorKeyTable {
-	enum Color {
-		RED   = 0,
-		GREEN = 1,
-		BLUE  = 2,
-		ALPHA = 3,
-	};
-	/* 0x00 */ J3DAnmKeyTableBase mColorInfo[4];
+    enum Color {
+        RED   = 0,
+        GREEN = 1,
+        BLUE  = 2,
+        ALPHA = 3,
+    };
+    /* 0x00 */ J3DAnmKeyTableBase mColorInfo[4];
 };  // Size = 0x18
 
 struct J3DAnmColorFullTable {

include/JSystem/JGeometry.h

@@ -207,22 +207,25 @@ struct TVec3<f32> : public Vec {
         z = a.x * b.y - a.y * b.x;
     }
 
-    void setLength(f32 len) {
+    f32 setLength(f32 len) {
         f32 sq = squared();
         if (sq <= TUtil<f32>::epsilon()) {
-            return;
+            return 0.0f;
         }
         f32 norm = TUtil<f32>::inv_sqrt(sq);
         scale(norm * len);
+        return sq * norm;
     }
 
-    void setLength(const TVec3<f32>& b, f32 len) {
+    f32 setLength(const TVec3<f32>& b, f32 len) {
         f32 sq = b.squared();
         if (sq <= TUtil<f32>::epsilon()) {
-            return;
+            zero();
+            return 0.0f;
         }
         f32 norm = TUtil<f32>::inv_sqrt(sq);
         scale(norm * len, b);
+        return sq * norm;
     }
 
     template<typename S>