Float literals - fix main primitives to use .f

Converts float literals from double format (e.g. 0.0) to float format (e.g. 0.0f) where appropriate for 32 bit calculations.

core/math/vector3.cpp

@@ -93,11 +93,11 @@ Vector3 Vector3::cubic_interpolate(const Vector3 &p_b, const Vector3 &p_pre_a, c
 	real_t t3 = t2 * t;
 
 	Vector3 out;
-	out = 0.5 *
-			((p1 * 2.0) +
+	out = 0.5f *
+			((p1 * 2.0f) +
 					(-p0 + p2) * t +
-					(2.0 * p0 - 5.0 * p1 + 4.0 * p2 - p3) * t2 +
-					(-p0 + 3.0 * p1 - 3.0 * p2 + p3) * t3);
+					(2.0f * p0 - 5.0f * p1 + 4.0f * p2 - p3) * t2 +
+					(-p0 + 3.0f * p1 - 3.0f * p2 + p3) * t3);
 	return out;
 }