Added support for double-precision

Author: Cankyre

godot-core/src/builtin/aabb.rs

@@ -360,8 +360,8 @@ impl Aabb {
 
         let segment_dir = to - from;
 
-        let mut t_min: f32 = 0.0;
-        let mut t_max: f32 = 1.0;
+        let mut t_min: real = 0.0;
+        let mut t_max: real = 1.0;
 
         for axis in [Vector3Axis::X, Vector3Axis::Y, Vector3Axis::Z] {
             let inv_dir = 1.0 / segment_dir[axis];