450 lines
13 KiB
C#
450 lines
13 KiB
C#
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using UnityEngine;
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using System.Reflection;
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using UnityEngine.UI;
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public class touchJoystick : MonoBehaviour
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{
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[Header ("Main Settings")]
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[Space]
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public int fingerId = 666;
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public float dragDistance = 1;
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public bool snapsToFinger = true;
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public bool hideOnRelease = false;
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public bool touchPad;
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public float touchPadHorizontalExtraValue = 1;
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public float touchPadVerticalExtraValue = 1;
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public bool showJoystick;
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[Space]
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[Header ("Other Settings")]
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[Space]
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public bool clampJoystickToScreenSide;
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public bool joystickOnRightScreenSide;
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[Space]
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public bool checkIfPressInsideTouchZone;
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public RectTransform touchZoneRectTransform;
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[Space]
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[Header ("Colors Settings")]
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[Space]
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public bool useChaneColor;
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public float changeColorSpeed;
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public Color regularBaseColor;
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public Color regularStickColor;
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public Color pressedBaseColor;
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public Color pressedStickColor;
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[Space]
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[Header ("Debug")]
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[Space]
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public bool showDebugPrint;
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public Vector2 currentAxisValue;
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public Vector2 currentTouchPosition;
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public bool touching;
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public bool hoveringJoystick;
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public bool touchingPreviously;
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public bool adjustinColors;
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public bool buttonColorVisible = true;
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public bool joystickClampedToScreenSideActive;
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[Space]
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[Header ("Components")]
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[Space]
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public GameObject stickBase;
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public GameObject stick;
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public RectTransform baseRectTransform;
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public RectTransform stickRectTransform;
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public RawImage baseRenderer;
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public RawImage stickRenderer;
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bool touchPlatform;
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Color currentBaseColor;
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Color currentStickColor;
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Vector3 previousPosition;
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Vector2 originalStickPosition;
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Vector2 originalBasePosition;
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Vector3 globalTouchPosition;
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Vector3 differenceVector;
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Vector3 difference;
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int touchCount;
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Touch currentPressedTouch;
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Touch currentTouch;
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int currentFingerId;
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int currentTouchIndex;
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bool firstTouchActive;
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float screenWidth;
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void Start ()
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{
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touchPlatform = checkTouchPlatform ();
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if (!showJoystick) {
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setSticksState (false, false);
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}
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originalStickPosition = stickRectTransform.anchoredPosition;
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originalBasePosition = baseRectTransform.anchoredPosition;
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if (clampJoystickToScreenSide) {
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screenWidth = GKC_Utils.getScreenResolution ().x / 2;
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if (screenWidth <= 0) {
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screenWidth = Screen.width / 2;
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}
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}
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}
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void Update ()
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{
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setJoystickColors ();
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if (currentFingerId > -1) {
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moveJoystick ();
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}
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}
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public void setHoverState (bool state)
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{
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hoveringJoystick = state;
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if (hoveringJoystick && !touching) {
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touchCount = Input.touchCount;
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if (!touchPlatform) {
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touchCount++;
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}
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for (currentTouchIndex = 0; currentTouchIndex < touchCount; currentTouchIndex++) {
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if (!touchPlatform) {
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currentTouch = convertMouseIntoFinger ();
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} else {
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currentTouch = Input.GetTouch (currentTouchIndex);
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}
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//if the touch action has started, check if the finger is inside the touch zone rect, visible in the editor
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if (currentTouch.phase == TouchPhase.Began) {
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currentTouchPosition = currentTouch.position;
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if (clampJoystickToScreenSide) {
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joystickClampedToScreenSideActive = false;
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bool isScreenRightSide = currentTouchPosition.x > screenWidth;
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if (joystickOnRightScreenSide) {
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if (!isScreenRightSide) {
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joystickClampedToScreenSideActive = true;
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}
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} else {
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if (isScreenRightSide) {
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joystickClampedToScreenSideActive = true;
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}
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}
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if (showDebugPrint) {
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print ("joystick Clamped " + joystickClampedToScreenSideActive +
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" isScreenRightSide " + isScreenRightSide + " " + currentTouchPosition.x +
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" " + screenWidth);
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}
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if (joystickClampedToScreenSideActive) {
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return;
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}
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}
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if (checkIfPressInsideTouchZone) {
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if (!RectTransformUtility.RectangleContainsScreenPoint (touchZoneRectTransform, currentTouchPosition)) {
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if (showDebugPrint) {
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print ("outside touch press " + fingerId);
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}
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return;
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}
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}
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currentFingerId = currentTouch.fingerId;
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fingerTouching (true);
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if (snapsToFinger) {
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stickRectTransform.position = currentTouchPosition;
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baseRectTransform.position = stickRectTransform.position;
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}
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if (touchPad) {
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previousPosition = currentTouchPosition;
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}
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}
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}
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}
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}
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// set the value of touching to activate of deactivate the icons of the joystick
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void fingerTouching (bool state)
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{
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touching = state;
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if (showJoystick) {
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if (hideOnRelease) {
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setSticksState (state, state);
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} else if ((!stickBase.gameObject.activeSelf || !stick.gameObject.activeSelf)) {
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setSticksState (true, true);
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}
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} else {
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setSticksState (false, false);
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}
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}
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void setSticksState (bool stickBaseState, bool stickState)
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{
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if (stickBase.activeSelf != stickBaseState) {
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stickBase.SetActive (stickBaseState);
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}
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if (stick.activeSelf != stickState) {
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stick.SetActive (stickState);
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}
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}
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//if the joystick is released, the icons back to their default positions
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void resetJoystickPosition ()
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{
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stickRectTransform.anchoredPosition = originalStickPosition;
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baseRectTransform.anchoredPosition = originalBasePosition;
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currentAxisValue = Vector2.zero;
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fingerTouching (false);
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}
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//check if the joystick is being used and set the icons position according to the finger or mouse movement
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void moveJoystick ()
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{
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if (touching) {
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touchCount = Input.touchCount;
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if (!touchPlatform) {
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touchCount++;
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}
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currentPressedTouch.fingerId = fingerId;
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for (currentTouchIndex = 0; currentTouchIndex < touchCount; currentTouchIndex++) {
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if (!touchPlatform) {
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currentTouch = convertMouseIntoFinger ();
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} else {
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currentTouch = Input.GetTouch (currentTouchIndex);
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}
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if (currentTouch.fingerId == currentFingerId) {
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currentPressedTouch = currentTouch;
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}
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}
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if (currentPressedTouch.fingerId == fingerId || currentPressedTouch.phase == TouchPhase.Ended) {
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resetJoystickPosition ();
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currentFingerId = -1;
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return;
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}
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globalTouchPosition = currentPressedTouch.position;
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differenceVector = globalTouchPosition - stickBase.transform.position;
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if (differenceVector.sqrMagnitude > dragDistance * dragDistance) {
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differenceVector.Normalize ();
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differenceVector *= dragDistance;
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stickRectTransform.position = baseRectTransform.position + differenceVector;
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} else {
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stickRectTransform.position = globalTouchPosition;
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}
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if (!touchPad) {
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currentAxisValue = differenceVector / dragDistance;
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} else {
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difference = globalTouchPosition - previousPosition;
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if (differenceVector.sqrMagnitude > dragDistance * dragDistance) {
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difference.Normalize ();
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}
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currentAxisValue = (difference / dragDistance);
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currentAxisValue.x *= touchPadHorizontalExtraValue;
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currentAxisValue.y *= touchPadVerticalExtraValue;
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previousPosition = globalTouchPosition;
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}
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}
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}
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//get the vertical and horizontal axis values
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public Vector2 GetAxis ()
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{
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return currentAxisValue;
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}
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public Vector2 getRawAxis ()
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{
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Vector2 axisValues = Vector2.zero;
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if (currentAxisValue.x > 0) {
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axisValues.x = 1;
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} else if (currentAxisValue.x < 0) {
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axisValues.x = -1;
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} else {
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axisValues.x = 0;
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}
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if (currentAxisValue.y > 0) {
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axisValues.y = 1;
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} else if (currentAxisValue.y < 0) {
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axisValues.y = -1;
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} else {
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axisValues.y = 0;
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}
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return axisValues;
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}
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void setJoystickColors ()
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{
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if (useChaneColor) {
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if (buttonColorVisible) {
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if (touching != touchingPreviously || !firstTouchActive) {
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touchingPreviously = touching;
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adjustinColors = true;
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firstTouchActive = true;
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}
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if (adjustinColors) {
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if (touching) {
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currentBaseColor = pressedBaseColor;
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currentStickColor = pressedStickColor;
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} else {
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currentBaseColor = regularBaseColor;
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currentStickColor = regularStickColor;
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}
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baseRenderer.color = Color.Lerp (baseRenderer.color, currentBaseColor, Time.deltaTime * changeColorSpeed);
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stickRenderer.color = Color.Lerp (stickRenderer.color, currentStickColor, Time.deltaTime * changeColorSpeed);
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if (baseRenderer.color == currentBaseColor && stickRenderer.color == currentStickColor) {
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adjustinColors = false;
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}
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}
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}
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}
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}
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//it simulates touch control in the game with the mouse position, using left button as tap finger with press, hold and release actions
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public static Touch convertMouseIntoFinger ()
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{
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object mouseFinger = new Touch ();
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FieldInfo phase = mouseFinger.GetType ().GetField ("m_Phase", BindingFlags.NonPublic | BindingFlags.Instance);
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FieldInfo fingerId = mouseFinger.GetType ().GetField ("m_FingerId", BindingFlags.NonPublic | BindingFlags.Instance);
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FieldInfo position = mouseFinger.GetType ().GetField ("m_Position", BindingFlags.NonPublic | BindingFlags.Instance);
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if (Input.GetMouseButtonDown (0)) {
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phase.SetValue (mouseFinger, TouchPhase.Began);
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} else if (Input.GetMouseButtonUp (0)) {
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phase.SetValue (mouseFinger, TouchPhase.Ended);
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} else {
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phase.SetValue (mouseFinger, TouchPhase.Moved);
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}
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fingerId.SetValue (mouseFinger, 11);
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position.SetValue (mouseFinger, new Vector2 (Input.mousePosition.x, Input.mousePosition.y));
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return (Touch)mouseFinger;
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}
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//check the if the current platform is a touch device
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public static bool checkTouchPlatform ()
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{
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if (Application.platform == RuntimePlatform.Android || Application.platform == RuntimePlatform.IPhonePlayer) {
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return true;
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}
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return false;
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}
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public void setTouchPadState (bool state)
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{
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touchPad = state;
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}
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public void setShowJoystickState (bool state)
|
|||
|
|
{
|
|||
|
|
showJoystick = state;
|
|||
|
|
|
|||
|
|
setSticksState (showJoystick, showJoystick);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void setSnapsToFingerState (bool state)
|
|||
|
|
{
|
|||
|
|
snapsToFinger = state;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void setHideOnReleaseState (bool state)
|
|||
|
|
{
|
|||
|
|
hideOnRelease = state;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void setJoystickColorVisibleState (bool state)
|
|||
|
|
{
|
|||
|
|
buttonColorVisible = state;
|
|||
|
|
|
|||
|
|
Color targetColorBase = baseRenderer.color;
|
|||
|
|
Color targetColorStick = stickRenderer.color;
|
|||
|
|
|
|||
|
|
if (buttonColorVisible) {
|
|||
|
|
targetColorBase.a = regularBaseColor.a;
|
|||
|
|
targetColorStick.a = regularStickColor.a;
|
|||
|
|
} else {
|
|||
|
|
targetColorBase.a = 0;
|
|||
|
|
targetColorStick.a = 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
baseRenderer.color = targetColorBase;
|
|||
|
|
stickRenderer.color = targetColorStick;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public bool touchJoystickIsPressed ()
|
|||
|
|
{
|
|||
|
|
return touching;
|
|||
|
|
}
|
|||
|
|
}
|