pref: 换用卡马克的快速开方求倒函数

虽然用的地方不是很多()

app/gl_garage.c

@@ -12,7 +12,7 @@ float calculate_vector_angle(float x1, float y1, float x2, float y2)
     float dx = x2 - x1;
     float dy = y2 - y1;
 
-    float vector_length = sqrt(dx * dx + dy * dy);
+    float vector_length = Q_sqrt(dx * dx + dy * dy);
     float angle_radians = acos(dx / vector_length);
     float angle_degrees = angle_radians * 180 / M_PI;