120 lines
2.7 KiB
C#
120 lines
2.7 KiB
C#
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using UnityEngine;
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using System.Collections.Generic;
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namespace Prime31 {
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public class TouchKitLite : MonoBehaviour
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{
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public bool shouldProcessTouches = true;
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const int kTotalTouchesToProcess = 2;
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public List<TKLTouch> liveTouches = new List<TKLTouch>( 2 );
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TKLTouch[] _touchCache;
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const float inchesToCentimeters = 2.54f;
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public float screenPixelsPerCm
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{
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get
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{
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var fallbackDpi = 72f;
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#if UNITY_ANDROID
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// Android MDPI setting fallback
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// http://developer.android.com/guide/practices/screens_support.html
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fallbackDpi = 160f;
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#elif UNITY_WP8 || UNITY_WP8_1 || UNITY_WSA || UNITY_WSA_8_0
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// Windows phone is harder to track down
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// http://www.windowscentral.com/higher-resolution-support-windows-phone-7-dpi-262
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fallbackDpi = 92f;
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#elif UNITY_IOS
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// iPhone 4-6 range
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fallbackDpi = 326f;
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#endif
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return Screen.dpi == 0f ? fallbackDpi / inchesToCentimeters : Screen.dpi / inchesToCentimeters;
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}
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}
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private static TouchKitLite _instance = null;
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public static TouchKitLite instance
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{
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get
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{
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if( System.Object.Equals( _instance, null ) )
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_instance = FindObjectOfType( typeof( TouchKitLite ) ) as TouchKitLite;
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return _instance;
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}
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}
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#region MonoBehaviour
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void Awake()
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{
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// prep our TKLTouch cache so we avoid excessive allocations
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_touchCache = new TKLTouch[kTotalTouchesToProcess];
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for( int i = 0; i < kTotalTouchesToProcess; i++ )
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_touchCache[i] = new TKLTouch( i );
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}
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void Update()
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{
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liveTouches.Clear();
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if( !shouldProcessTouches )
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return;
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#if UNITY_EDITOR || UNITY_STANDALONE_OSX || UNITY_STANDALONE_WIN || UNITY_WEBPLAYER || UNITY_WEBGL
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// we only need to process if we have some interesting input this frame
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if( Input.GetMouseButtonUp( 0 ) || Input.GetMouseButton( 0 ) )
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{
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#if UNITY_EDITOR
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// in the editor if the remote is not connected we use the mouse to simulate touch
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if( !UnityEditor.EditorApplication.isRemoteConnected )
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#endif
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liveTouches.Add( _touchCache[0].populateFromMouse() );
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}
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#endif
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if( Input.touchCount > 0 )
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{
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var maxTouchIndexToExamine = Mathf.Min( Input.touches.Length, kTotalTouchesToProcess );
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for( var i = 0; i < maxTouchIndexToExamine; i++ )
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{
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var touch = Input.touches[i];
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if( touch.fingerId < kTotalTouchesToProcess )
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liveTouches.Add( _touchCache[touch.fingerId].populateWithTouch( touch ) );
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}
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}
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}
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void OnApplicationQuit()
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{
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_instance = null;
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}
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#endregion
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public bool hasTouchBeganInRect( Rect rect )
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{
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for( var i = 0; i < liveTouches.Count; i++ )
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{
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var touch = liveTouches[i];
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if( touch.phase == TouchPhase.Began && rect.Contains( touch.position ) )
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return true;
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}
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return false;
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}
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}}
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