Most Gui elements do not appear on Mac Os WebPlayer

Question

Hello,

I have a gui menu that does not appear on Mac Os WebPlayer although when i run the build on Windows it appears perfectly, same in unity editor. Basically i have a few Gui.BeginGroup - Gui.EndGroup with some DrawTexture and Gui Buttons. What is the difference between them? I create the build on a windows 7 x64 system. here is my code void OnGUI () { //drawer gui group GUI.BeginGroup (new Rect (drawerLeft, menuBarHeight, drawerWidth, Screen.height - menuBarHeight));

                 //background texture
                 GUI.DrawTexture (new Rect (0, 0, drawerWidth - btnDrawer.width + btnDrawerPadding, drawerTextBckgrndHeight - menuBarHeight), drawerTextBckgrnd);
                 GUI.DrawTexture (new Rect (0, drawerTextBckgrndHeight - menuBarHeight, drawerWidth - btnDrawer.width + btnDrawerPadding,
                                                  drawerVideoBckgrndHeight), drawerVideoBckgrnd);
                 //movie texture
                 GUI.DrawTexture (movieRect, mCurrentMovie);
                     
                 //text display
                 GUI.Label (new Rect (titleMarginLeft, titleMarginTop, drawerWidth - btnDrawer.width - titleMarginLeft * 3, 
                                  titleMarginTop), drawerTitle, drawerTitleStyle);
                 GUI.Label (new Rect (titleMarginLeft, titleMarginTop * 4, drawerWidth - btnDrawer.width - titleMarginLeft * 3, 
                                  drawerTextBckgrndHeight - menuBarHeight - titleMarginTop * 4), drawerText, drawerTextStyle);
                 //drawer button
                 if (GUI.Button (new Rect (drawerWidth - btnDrawer.width, Screen.height / 2 - btnDrawer.height / 2, 
                                     btnDrawer.width, btnDrawer.height), btnDrawer, btnDrawerStyle)) {
                         drawerLerpTimerStart = 0;
                         if (drawerShouldLerp) {
                                 drawerShouldLerp = false;
                                 drawerShouldLerpBack = true;
                         } else if (drawerShouldLerpBack) {
                                 drawerShouldLerp = true;
                                 drawerShouldLerpBack = false;
                                 mCurrentMovie.Stop ();
                                 shouldInitVideo = true;
                                 videoInitStartTime = Time.time;
                         } else if (!drawerShouldLerpBack && !drawerShouldLerp) {
                                 drawerShouldLerp = true;
                                 drawerShouldLerpBack = false;
                                 mCurrentMovie.Stop ();
                                 shouldInitVideo = true;
                                 videoInitStartTime = Time.time;
                         }
                 }
 
                 GUI.EndGroup ();
 
                 // gui menu bar
                 currentGuiElementLeft = 0;
                 GUI.DrawTexture (new Rect (0.0f, 0.0f, Screen.width, menuBarHeight + menuBackgroundFadeHeight), menuBckgrnd);
                 GUI.BeginGroup (new Rect (0.0f, 0.0f, Screen.width, menuBarHeight + menuBackgroundFadeHeight - 1.0f));
                 //background texture
                 GUI.DrawTexture (new Rect (0.0f, 0.0f, Screen.width, menuBarHeight + menuBackgroundFadeHeight), menuBckgrnd);
                 GUI.Label (new Rect (menuLogoLeft, menuLogoTop, menuLogoWidth, menuLogoHeight), new GUIContent ("CitoPress", menuLogo), logoStyle);
                 //help button
                 currentGuiElementLeft = Screen.width - btnMenuWidth;
                 if (GUI.Button (new Rect (currentGuiElementLeft, 0, btnMenuWidth, btnMenuHeight), "", btnMenuHelpStyle)) {
                     shouldRenderHelp=true;
                 }
                 currentGuiElementLeft -= menuDivider.width;
                 GUI.DrawTexture (new Rect (currentGuiElementLeft, 0, menuDivider.width, btnMenuHeight), menuDivider);
 
                 //zoom button
                 currentGuiElementLeft -= btnMenuWidth;
                 if (GUI.Button (new Rect (currentGuiElementLeft, 0, btnMenuWidth, btnMenuHeight), "", btnMenuZoomStyle)) {
                         if (shouldShowBulletZoomBar) {
                                 shouldShowBulletZoomBar = false;
                                 btnMenuZoomStyle.normal.background = (Texture2D)Resources.Load ("meta/toggle_zoom"); 
                         } else {
                                 shouldShowBulletZoomBar = true;
                                 btnMenuZoomStyle.normal.background = (Texture2D)Resources.Load ("meta/toggle_zoom_pressed"); 
                         }
                 }
                 currentGuiElementLeft -= menuDivider.width;
                 GUI.DrawTexture (new Rect (currentGuiElementLeft, 0, menuDivider.width, btnMenuHeight), menuDivider);
                 //language button
                 currentGuiElementLeft -= btnMenuWidth;
                 if (GUI.Button (new Rect (currentGuiElementLeft, 0, btnMenuWidth, btnMenuHeight), "", btnMenuLanguageStyle)) {
                         shouldRenderLangSelection = true;
                 }
                 currentGuiElementLeft -= menuDivider.width;
                 GUI.DrawTexture (new Rect (currentGuiElementLeft, 0, menuDivider.width, btnMenuHeight), menuDivider);
 
                 // enable/disable hotspot texts
                 currentGuiElementLeft -= btnMenuWidth * 2;
                 if (GUI.Button (new Rect (currentGuiElementLeft, 0, btnMenuWidth * 2, btnMenuHeight), "", btnMenuHotSpotsTextStyle)) {
                         textLerpTimerStart = 0;
                         if (shouldShowBulletTexts) {
                                 shouldShowBulletTexts = false;
                                 btnMenuHotSpotsTextStyle.normal.background = (Texture2D)Resources.Load ("meta/toggle_text_off"); 
                         } else {
                                 shouldShowBulletTexts = true;
                                 btnMenuHotSpotsTextStyle.normal.background = (Texture2D)Resources.Load ("meta/toggle_text_on"); 
                         }
                 }
                 currentGuiElementLeft -= menuDivider.width;
                 GUI.DrawTexture (new Rect (currentGuiElementLeft, 0, menuDivider.width, btnMenuHeight), menuDivider);
                 // enable/disable hotspots
                 currentGuiElementLeft -= btnMenuWidth;
                 if (GUI.Button (new Rect (currentGuiElementLeft, 0, btnMenuWidth, btnMenuHeight), "", btnMenuHotSpotsStyle)) {
                         if (shouldShowBullets) {
                                 shouldShowBullets = false;
                                 for (int i=0; i<bullets.Length; i++) {
                                         bullets [i].SetActive (false);
                                 }
                         } else {
                                 shouldShowBullets = true;
                                 for (int i=0; i<bullets.Length; i++) {
                                         bullets [i].SetActive (true);
                                 }
 
                         }
                 }
                 currentGuiElementLeft -= menuDivider.width;
                 GUI.DrawTexture (new Rect (currentGuiElementLeft, 0, menuDivider.width, btnMenuHeight), menuDivider);
                 //reset button
                 currentGuiElementLeft -= btnMenuWidth;
                 if (GUI.Button (new Rect (currentGuiElementLeft, 0, btnMenuWidth, btnMenuHeight), "", btnMenuResetStyle)) {
                         Application.LoadLevel (Application.loadedLevel);
                 }
                 GUI.EndGroup ();
                 //render zoom scrollbar
                 if (shouldShowBulletZoomBar) {
                         Camera.main.fieldOfView = GUI.VerticalSlider (new Rect (Screen.width - zoomBarRightMargin,
                                                                   zoomBarTopMargin, zoomBarWidth, Screen.height - zoomBarTopMargin), 
                                                          Camera.main.fieldOfView, 120.0f, 15.0f, zoomBarSliderStyle, zoomBarThumbStyle);
                 }
 
                 //language selection GUI
                 if (shouldRenderLangSelection) {
                         GUI.BeginGroup (new Rect (0.0f, 0.0f, Screen.width, Screen.height), helpBackground);
                         if (GUI.Button (new Rect (Screen.width * 0.5f - helpEnglish.width * 2 - helpLanguageSpacing * 1.5f, 
                                   Screen.height * 0.5f - helpEnglish.height * 0.5f, helpEnglish.width, helpEnglish.height), new GUIContent ("English", helpEnglish), helpLanguageStyle)) {
                                 shouldRenderLangSelection = false;
                                 mLangStrings = new MultiLanguageScript ("English");
                                 reloadTexts ();
                         }
                         if (GUI.Button (new Rect (Screen.width * 0.5f - helpEnglish.width - helpLanguageSpacing * 0.5f, 
                                       Screen.height * 0.5f - helpEnglish.height * 0.5f, helpEnglish.width, helpEnglish.height), new GUIContent ("Deutsch", helpGerman), helpLanguageStyle)) {
                                 shouldRenderLangSelection = false;
                                 mLangStrings = new MultiLanguageScript ("German");
                                 reloadTexts ();    
                         }
                         if (GUI.Button (new Rect (Screen.width * 0.5f + helpLanguageSpacing * 0.5f, 
                                       Screen.height * 0.5f - helpEnglish.height * 0.5f, helpEnglish.width, helpEnglish.height), new GUIContent ("Francais", helpFrench), helpLanguageStyle)) {
                                 shouldRenderLangSelection = false;
                                 mLangStrings = new MultiLanguageScript ("French");
                                 reloadTexts ();
                         }
                         if (GUI.Button (new Rect (Screen.width * 0.5f + helpEnglish.width + helpLanguageSpacing * 1.5f, 
                                       Screen.height * 0.5f - helpEnglish.height * 0.5f, helpEnglish.width, helpEnglish.height), new GUIContent ("Chinese", helpChinese), helpLanguageStyle)) {
                                 shouldRenderLangSelection = false;
                                 mLangStrings = new MultiLanguageScript ("Japanese");
                                 reloadTexts ();
                         }
                         GUI.EndGroup ();
                 }
         
             
 
 
                 //drawer open/close animation
                 if (drawerShouldLerp) {
                         drawerLerpTimer = (drawerLerpTimerStart += Time.deltaTime) / 6;
                         drawerLeft = Mathf.SmoothStep (drawerLeft, 0, drawerLerpTimer);
                 } else if (drawerShouldLerpBack) {
                         drawerLerpTimer = (drawerLerpTimerStart += Time.deltaTime) / 6;
                         drawerLeft = Mathf.SmoothStep (drawerLeft, - drawerWidth + btnDrawer.width, drawerLerpTimer);
                 }
 
                 //show Help
             if (shouldRenderHelp) {
                 GUI.DrawTexture(new Rect(0, 0, Screen.width, Screen.height), menuHelp);
                 }
             
                 //fade in /out bullet text
                 if (shouldShowBulletTexts) {
                         textLerpTimer = (textLerpTimerStart += Time.deltaTime) / 3;
                         for (int i=0; i<bullets.Length; i++) {
                                 Color tempColor = bullets [i].guiText.material.color;
                                 tempColor.a = Mathf.Lerp (0.0f, 1.0f, textLerpTimer);
                                 bullets [i].guiText.material.color = tempColor;
                                 tempColor = bulletBacks [i].guiTexture.color;
                                 tempColor.a = Mathf.Lerp (0.0f, 1.0f, textLerpTimer);
                                 bulletBacks [i].guiTexture.color = tempColor;
                         }
 
                 } else {
                         textLerpTimer = (textLerpTimerStart += Time.deltaTime) / 3;
                         for (int i=0; i<bullets.Length; i++) {
                                 //                Fade.use.Alpha(bullets[i], 1.0f, 0.0f, 1.0f);
                                 Color tempColor = bullets [i].guiText.material.color;
                                 tempColor.a = Mathf.Lerp (1.0f, 0.0f, textLerpTimer);
                                 bullets [i].guiText.material.color = tempColor;
                 
                                 tempColor = bulletBacks [i].guiTexture.color;
                                 tempColor.a = Mathf.Lerp (1.0f, 0.0f, textLerpTimer);
                                 bulletBacks [i].guiTexture.color = tempColor;
                         }
                 }
         }

Please note that the "//Drawer button" appears correctly on Mac Os too, and the "//text display" appears in the top left corner (although at launch they should be outside the screen in the left) I have looked everywhere on the forum but i couldn't find a solution or a similar issue with an answer.

Any advice is much appreciated

Answer 1

Best Answer

Answer by crazywiz · Jul 08, 2014 at 03:44 PM

Finally Fixed it, it seems to be part unity issue with code run order. On windows apparently Screen canvas is initialized first so you can declare global variables in your script like: "private float drawerWidth = Screen.width *0.05f; ". On Mac OS apparently they initialize my variables before initializing the Screen Canvas so Screen.width is zero when assigning my variables. Anyway hope this helps someone else. PS: the solution was to declare the variables globally and assign their values in onStart()

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Most Gui elements do not appear on Mac Os WebPlayer

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