1 using System;
2 using UnityEngine;
3 using UnityStandardAssets.CrossPlatformInput;
4
5 namespace UnityStandardAssets.Vehicles.Aeroplane
6 {
7 [RequireComponent(typeof (AeroplaneController))]
8 public class AeroplaneUserControl2Axis : MonoBehaviour
9 {
10 // these max angles are only used on mobile, due to the way pitch and roll input are handled
11 public float maxRollAngle = 80;
12 public float maxPitchAngle = 80;
13
14 // reference to the aeroplane that we're controlling
15 private AeroplaneController m_Aeroplane;
16
17
18 private void Awake()
19 {
20 // Set up the reference to the aeroplane controller.
21 m_Aeroplane = GetComponent<AeroplaneController>();
22 }
23
24
25 private void FixedUpdate()
26 {
27 // Read input for the pitch, yaw, roll and throttle of the aeroplane.
28 float roll = CrossPlatformInputManager.GetAxis("Horizontal");
29 float pitch = CrossPlatformInputManager.GetAxis("Vertical");
30 bool airBrakes = CrossPlatformInputManager.GetButton("Fire1");
31
32 // auto throttle up, or down if braking.
33 float throttle = airBrakes ? -1 : 1;
34 #if MOBILE_INPUT
35 AdjustInputForMobileControls(ref roll, ref pitch, ref throttle);
36 #endif
37 // Pass the input to the aeroplane
38 m_Aeroplane.Move(roll, pitch, 0, throttle, airBrakes);
39 }
40
41
42 private void AdjustInputForMobileControls(ref float roll, ref float pitch, ref float throttle)
43 {
44 // because mobile tilt is used for roll and pitch, we help out by
45 // assuming that a centered level device means the user
46 // wants to fly straight and level!
47
48 // this means on mobile, the input represents the *desired* roll angle of the aeroplane,
49 // and the roll input is calculated to achieve that.
50 // whereas on non-mobile, the input directly controls the roll of the aeroplane.
51
52 float intendedRollAngle = roll*maxRollAngle*Mathf.Deg2Rad;
53 float intendedPitchAngle = pitch*maxPitchAngle*Mathf.Deg2Rad;
54 roll = Mathf.Clamp((intendedRollAngle - m_Aeroplane.RollAngle), -1, 1);
55 pitch = Mathf.Clamp((intendedPitchAngle - m_Aeroplane.PitchAngle), -1, 1);
56
57 // similarly, the throttle axis input is considered to be the desired absolute value, not a relative change to current throttle.
58 float intendedThrottle = throttle*0.5f + 0.5f;
59 throttle = Mathf.Clamp(intendedThrottle - m_Aeroplane.Throttle, -1, 1);
60 }
61 }
62 }
