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145 lines
4.4 KiB
145 lines
4.4 KiB
using System;
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace UnityStandardAssets.CrossPlatformInput
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{
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// helps with managing tilt input on mobile devices
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public class TiltInput : MonoBehaviour
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{
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// options for the various orientations
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public enum AxisOptions
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{
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ForwardAxis,
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SidewaysAxis,
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}
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[Serializable]
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public class AxisMapping
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{
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public enum MappingType
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{
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NamedAxis,
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MousePositionX,
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MousePositionY,
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MousePositionZ
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};
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public MappingType type;
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public string axisName;
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}
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public AxisMapping mapping;
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public AxisOptions tiltAroundAxis = AxisOptions.ForwardAxis;
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public float fullTiltAngle = 25;
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public float centreAngleOffset = 0;
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private CrossPlatformInputManager.VirtualAxis m_SteerAxis;
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private void OnEnable()
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{
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if (mapping.type == AxisMapping.MappingType.NamedAxis)
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{
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m_SteerAxis = new CrossPlatformInputManager.VirtualAxis(mapping.axisName);
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CrossPlatformInputManager.RegisterVirtualAxis(m_SteerAxis);
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}
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}
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private void Update()
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{
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float angle = 0;
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if (Input.acceleration != Vector3.zero)
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{
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switch (tiltAroundAxis)
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{
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case AxisOptions.ForwardAxis:
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angle = Mathf.Atan2(Input.acceleration.x, -Input.acceleration.y)*Mathf.Rad2Deg +
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centreAngleOffset;
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break;
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case AxisOptions.SidewaysAxis:
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angle = Mathf.Atan2(Input.acceleration.z, -Input.acceleration.y)*Mathf.Rad2Deg +
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centreAngleOffset;
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break;
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}
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}
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float axisValue = Mathf.InverseLerp(-fullTiltAngle, fullTiltAngle, angle)*2 - 1;
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switch (mapping.type)
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{
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case AxisMapping.MappingType.NamedAxis:
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m_SteerAxis.Update(axisValue);
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break;
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case AxisMapping.MappingType.MousePositionX:
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CrossPlatformInputManager.SetVirtualMousePositionX(axisValue*Screen.width);
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break;
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case AxisMapping.MappingType.MousePositionY:
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CrossPlatformInputManager.SetVirtualMousePositionY(axisValue*Screen.width);
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break;
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case AxisMapping.MappingType.MousePositionZ:
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CrossPlatformInputManager.SetVirtualMousePositionZ(axisValue*Screen.width);
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break;
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}
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}
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private void OnDisable()
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{
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m_SteerAxis.Remove();
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}
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}
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}
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namespace UnityStandardAssets.CrossPlatformInput.Inspector
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{
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#if UNITY_EDITOR
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[CustomPropertyDrawer(typeof (TiltInput.AxisMapping))]
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public class TiltInputAxisStylePropertyDrawer : PropertyDrawer
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{
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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EditorGUI.BeginProperty(position, label, property);
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float x = position.x;
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float y = position.y;
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float inspectorWidth = position.width;
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// Don't make child fields be indented
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var indent = EditorGUI.indentLevel;
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EditorGUI.indentLevel = 0;
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var props = new[] {"type", "axisName"};
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var widths = new[] {.4f, .6f};
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if (property.FindPropertyRelative("type").enumValueIndex > 0)
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{
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// hide name if not a named axis
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props = new[] {"type"};
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widths = new[] {1f};
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}
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const float lineHeight = 18;
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for (int n = 0; n < props.Length; ++n)
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{
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float w = widths[n]*inspectorWidth;
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// Calculate rects
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Rect rect = new Rect(x, y, w, lineHeight);
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x += w;
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EditorGUI.PropertyField(rect, property.FindPropertyRelative(props[n]), GUIContent.none);
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}
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// Set indent back to what it was
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EditorGUI.indentLevel = indent;
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EditorGUI.EndProperty();
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}
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}
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#endif
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}
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