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Main camera clip plane manipulation and backdrop camera support in VR
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@tyson-kubota
tyson-kubota committed Nov 12, 2017
1 parent 428f033 commit 5badfaa
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Showing 4 changed files with 205 additions and 62 deletions.
37 changes: 21 additions & 16 deletions FallingPlayer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@ private var fallingLaunchComponent : FallingLaunch;
// static var startingFogColor : Color = Color(1.17, 1.17, 1.17, 2);
static var startingFogEndDistance : int = 1500;
static var startingFogStartDistance : int = 150;
static var startingCameraFarClipPlane : int = 1700;
static var startingCloudsAlpha : float = .25f; // Unity 4 used .39f (99 in RGBA)

//original for corroded sky tubes level
Expand Down Expand Up @@ -182,17 +181,15 @@ function Start() {
}
}

// startingFogColor = RenderSettings.fogColor * 2;
startingFogEndDistance = RenderSettings.fogEndDistance;
startingFogStartDistance = RenderSettings.fogStartDistance;

startingCameraFarClipPlane = myMainCamera.farClipPlane;
isAlive = 1;
UIscriptComponent = UIscriptName.GetComponent(fallingUITest);
lifeStartTime = Time.time;
levelStartTime = Time.time;
isExitingLevel = false;
FallingLaunch.thisLevel = Application.loadedLevelName;
startingFogStartDistance = RenderSettings.fogStartDistance;

isAlive = 1;
UIscriptComponent = UIscriptName.GetComponent(fallingUITest);
lifeStartTime = Time.time;
levelStartTime = Time.time;
isExitingLevel = false;
FallingLaunch.thisLevel = Application.loadedLevelName;
FallingLaunch.thisLevelArea = "0-start";
AudioListener.pause = false;
myVol = audioScore.volume;
Expand Down Expand Up @@ -402,17 +399,25 @@ function ShowDeathHelp() {
}

function changeLevelBackdrop () {
changeBackdrop.oceanCamera.GetComponent(Camera).enabled = false;
changeBackdrop.oceanRenderer.enabled = false;
changeBackdrop.cloudRenderer.enabled = false;
changeBackdrop.endSphereRenderer.enabled = false;
if (!FallingLaunch.isVRMode) {
if (changeBackdrop.oceanCameraVR) {
changeBackdrop.oceanCameraVR.GetComponent(Camera).enabled = false;
}
if (changeBackdrop.oceanCamera) {
changeBackdrop.oceanCamera.GetComponent(Camera).enabled = false;
changeBackdrop.oceanRenderer.enabled = false;
}
}

// the Fade argument below this breaks unpredictably if player gameobject lacks a Fade script component
// Fade.use.Colors(guiTexture, (RenderSettings.fogColor * 2), startingFogColor, 2.0);
RenderSettings.fogEndDistance = startingFogEndDistance;
RenderSettings.fogStartDistance = startingFogStartDistance;

if (myMainCamera) {myMainCamera.farClipPlane = startingCameraFarClipPlane;}
if (myMainCamera) {
// reset regular or VR cameras' clip planes (handles both cases internally):
changeBackdrop.ResetCameraClipPlane();
}
if (myBackdropRenderer) {
myBackdropRenderer.materials = [origMat];
}
Expand Down
2 changes: 0 additions & 2 deletions FallingStartMenu.js
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Original file line number Diff line number Diff line change
Expand Up @@ -124,8 +124,6 @@ function DeathRespawn () {
function changeLevelBackdrop () {
changeBackdrop.oceanCamera.GetComponent(Camera).enabled = false;
changeBackdrop.oceanRenderer.enabled = false;
changeBackdrop.cloudRenderer.enabled = false;
changeBackdrop.endSphereRenderer.enabled = false;

// the Fade argument below this breaks unpredictably if player gameobject lacks a Fade script component
// Fade.use.Colors(guiTexture, (RenderSettings.fogColor * 2), startingFogColor, 2.0);
Expand Down
226 changes: 183 additions & 43 deletions changeBackdrop.js
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Original file line number Diff line number Diff line change
Expand Up @@ -17,17 +17,26 @@ static var startingCloudAlpha : float; // Unity 4 used .39f (99 in RGBA)
var newCloudAlpha : float = .3f;
static var cloudOriginalMaterial : Material;

static var oceanCamera : GameObject;
static var oceanRenderer : Renderer;
static var cloudRenderer : Renderer;
static var endSphereRenderer : Renderer;
var oceanCamera : GameObject;
var oceanCameraVR : GameObject;
var oceanCameraVRHead : GvrHead;

var backdropCamera : GameObject;
private var backdropCameraVRHead : GvrHead;

var oceanRenderer : Renderer;
var cloudRenderer : Renderer;

var eyeCamerasVR : Array;
var StereoControllerComponent : Component;

//var foo : Material; //set this in the editor
//var bar : Material; //set this in the editor
var oceanLevel : boolean = false;
var ShouldUseOceanCamera : boolean = false;
var ShouldChangeBackdrop : boolean = false;
var FogOnly : boolean = false;
var farClipPlaneValueOrig : int;
var farClipPlaneValue : int = 2500;
var fogEndValue : int = 3000;
var farClipPlaneFadeTime : float = 3;
Expand All @@ -39,24 +48,29 @@ var farClipPlaneFadeTime2 : float = 2;
function Start () {
if (oceanLevel == true) {
if (!mainCamera) {mainCamera = transform.FindChild("Camera").gameObject;}

oceanCamera = transform.FindChild("Camera-for-ocean").gameObject;


var oceanCameraVRTransform : Transform = mainCamera.transform.FindChild("Camera-for-ocean-VR");
oceanCameraVR = oceanCameraVRTransform ? oceanCameraVRTransform.gameObject : null;

var backdropCameraTransform : Transform = transform.FindChild("Camera-for-backdrop");
backdropCamera = backdropCameraTransform ? backdropCameraTransform.gameObject : null;

oceanRenderer = gameObject.Find("sky-water-ocean/Mesh").GetComponent.<Renderer>();
oceanRenderer.enabled = false;

cloudRenderer = gameObject.Find("simple-cloud-plane/Mesh").GetComponent.<Renderer>();
cloudRenderer.enabled = false;

endSphereRenderer = gameObject.Find("score-orbs-end/score-orb/Mesh").GetComponent.<Renderer>();
endSphereRenderer.enabled = false;
}

cam = mainCamera.GetComponent.<Camera>();

farClipPlaneValueOrig = cam.farClipPlane;

// Warn re. plane-close/Cylinder if they haven't been manually associated via the Inspector:
if (ShouldChangeBackdrop || oceanLevel) {
if (!cloudCylinderObj) {
if (!cloudCylinderObj && Debug.isDebugBuild) {
Debug.Log('Did you forget to link your cloudCylinderObj in the Inspector?');
}
if (cloudCylinderObj) {
Expand All @@ -72,7 +86,34 @@ function Start () {
closePlaneRenderer = closePlaneTransform.GetComponent.<Renderer>();
}
}
}

function Update () {
// Existence check required for StereoControllerComponent in Update()
// since it takes 1+ seconds to set up everything via GVR plugin:
if (FallingLaunch.isVRMode) {
if (mainCamera && !StereoControllerComponent) {
StereoControllerComponent = mainCamera.GetComponent.<StereoController>();
}

if (oceanLevel && oceanCameraVR && !oceanCameraVRHead) {
oceanCameraVRHead = oceanCameraVR.GetComponent.<StereoController>().Head;

// this GvrHead is already nested within the Player camera's
// StereoController, so to stay aligned with its parent,
// it shouldn't independently track rotation:
oceanCameraVRHead.trackRotation = false;
}

if (!backdropCameraVRHead) {
backdropCameraVRHead = backdropCamera.GetComponent.<StereoController>().Head;

// this GvrHead is already nested within the Player object,
// and the backdrop is meant to be static relative to the player,
// so therefore shouldn't independently track rotation:
backdropCameraVRHead.trackRotation = false;
}
}
}

function OnTriggerEnter (other : Collider) {
Expand All @@ -86,22 +127,33 @@ function OnTriggerEnter (other : Collider) {
iTween.ColorTo(cloudCylinderObj,{"a": newCloudAlpha, "time": 1});
}

// FadeBetweenCameras ();
// Enable the above method to re-add the fade 2d image backdrop on trigger enter.

// Debug.Log("You hit a changeBackdrop trigger! " + other.gameObject);

FadeCameraFarClipPlane (1);
if (FogOnly == true) {SmoothFogFade (3);}
if (ShouldUseOceanCamera == true) {enableOceanCamera(); SmoothFogFade (1);}
if (ShouldUseOceanCamera) {
if (FallingLaunch.isVRMode) {
EnableOceanCamera(true);
} else {
EnableOceanCamera(false);
}
SmoothFogFade (1);
}
}

else if (other.gameObject.CompareTag ("changeBackdrop2")) {
// Debug.Log("You hit an alt changeBackdrop trigger!");

FadeCameraFarClipPlane (2);
if (FogOnly == true) {SmoothFogFade (2);}
if (ShouldUseOceanCamera == true) {enableOceanCamera(); SmoothFogFade (2);}
if (ShouldUseOceanCamera) {
if (FallingLaunch.isVRMode) {
EnableOceanCamera(true);
} else {
EnableOceanCamera(false);
}
SmoothFogFade (2);
}
}

}
Expand All @@ -118,29 +170,32 @@ function OnTriggerExit (other : Collider) {
}
}

function changeCameraFadeLayer() {
var cameraFadeObject : GameObject = GameObject.Find ("iTween Camera Fade");
if (cameraFadeObject) {cameraFadeObject.layer = 4;}
}

// TODO: Switch iTween clip plane transitions to a regular lerp
function FadeCameraFarClipPlane (type : int) {
if (type == 2) {
if (Debug.isDebugBuild) {
Debug.Log("calling FadeCameraFarClipPlane");
}

iTween.ValueTo ( gameObject,
{
"from" : cam.farClipPlane,
"to" : farClipPlaneValue2,
"onupdate" : "ChangeCameraFarClipPlane",
"time" : farClipPlaneFadeTime2,
"easetype" : "easeInExpo"
});
}
if (type == 2) {
iTween.ValueTo ( gameObject,
{
"from" : cam.farClipPlane,
"to" : farClipPlaneValue2,
"onstart" : "EnableStereoUpdatesVR",
"onupdate" : "ChangeCameraFarClipPlane",
"oncomplete" : "YieldDisableStereoUpdatesVR",
"time" : farClipPlaneFadeTime2,
"easetype" : "easeInExpo"
});
}
else {
iTween.ValueTo ( gameObject,
{
"from" : cam.farClipPlane,
"to" : farClipPlaneValue,
"onstart" : "EnableStereoUpdatesVR",
"onupdate" : "ChangeCameraFarClipPlane",
"oncomplete" : "YieldDisableStereoUpdatesVR",
"time" : farClipPlaneFadeTime,
"easetype" : "easeInExpo"
});
Expand All @@ -156,7 +211,6 @@ function SmoothFogFade (type : int) {
"onupdate" : "ChangeFogEndDistance",
"time" : 3,
"easetype" : "easeInExpo"
// "oncomplete" : "CameraFadeEnd"
});
} else if (type == 2) {
iTween.ValueTo ( gameObject,
Expand Down Expand Up @@ -192,17 +246,38 @@ function SmoothFogFade (type : int) {
}
}

function ResetCameraClipPlane() {
if (Debug.isDebugBuild) {
Debug.Log("called ResetCameraClipPlane with current clip plane " + cam.farClipPlane);
Debug.Log("...and farClipPlaneValueOrig" + farClipPlaneValueOrig);
}

// This function gets called on first level load (via LatestCheckpointRespawn),
// so we only want to proceed if the current camera clip value doesn't match
// the specified starting value. This should avoid having more than one iTween lerp
// occurring simultaneously and polluting each other.
// TODO: Switch iTween to regular lerps
if (FallingLaunch.isVRMode && farClipPlaneValueOrig != cam.farClipPlane) {

if (Debug.isDebugBuild) {
Debug.Log("resetting main VR camera clip plane to " + farClipPlaneValueOrig);
}

// Set the primary camera's draw distance (far clip plane),
// and enable the keepStereoUpdated boolean on the parent
// stereo controller, so the child eye cameras will update to match.
yield EnableStereoUpdatesVR();
yield ResetFarClipPlane();
yield DisableStereoUpdatesVR(); // Then disable `keepStereoUpdated` for performance

function FadeBetweenCameras () {
iTween.CameraFadeAdd(fadeTex);
changeCameraFadeLayer();
iTween.CameraFadeTo(0.75,.25);
yield WaitForSeconds(.25);
iTween.CameraFadeTo(0.0,3);
} else if (cam && cam.farClipPlane != farClipPlaneValueOrig) {
cam.farClipPlane = farClipPlaneValueOrig;
}
}

function CameraFadeEnd () {
iTween.CameraFadeTo(0.0,1);
// this gets yielded so we can be sure the new value is set before proceeding:
function ResetFarClipPlane() : IEnumerator {
cam.farClipPlane = farClipPlaneValueOrig;
}

function ChangeFogEndDistance (i : int) {
Expand All @@ -217,9 +292,74 @@ function ChangeCameraFarClipPlane (i : int) {
cam.farClipPlane = i;
}

function enableOceanCamera () {
oceanCamera.GetComponent(Camera).enabled = true;
function EnableStereoUpdatesVR () {
Debug.Log("called EnableStereoUpdatesVR");
// Existence check required for StereoControllerComponent since
// it takes 1+ seconds to instantiate via GVR plugin:
if (FallingLaunch.isVRMode && StereoControllerComponent) {
// Type coercion is required... details in setVRMode.Start():
(StereoControllerComponent as StereoController).keepStereoUpdated = true;
Debug.Log("keepStereoUpdated is true");
}
yield;
}

// needed because iTween can't directly call a function that yields;
function YieldDisableStereoUpdatesVR () {
yield DisableStereoUpdatesVR();
}

function DisableStereoUpdatesVR () {
// Existence check required for StereoControllerComponent since
// it takes 1+ seconds to instantiate via GVR plugin:
if (FallingLaunch.isVRMode && StereoControllerComponent) {
// Just to make sure the below parent camera alterations
// actually propagate to the relevant stereo cameras:
if ((StereoControllerComponent as StereoController).keepStereoUpdated == false) {
(StereoControllerComponent as StereoController).keepStereoUpdated = true;
}

eyeCamerasVR = getChildVRCameras(mainCamera);
// Debug.Log('eyeCamerasVR are: ' + eyeCamerasVR);
// Debug.Log("is keepStereoUpdated true ? " +
// (StereoControllerComponent as StereoController).keepStereoUpdated );
for (var camera : Camera in eyeCamerasVR) {
if (Debug.isDebugBuild) {
Debug.Log("Setting camera " + camera + "'s farClipPlane to " + cam.farClipPlane);
}
camera.farClipPlane = cam.farClipPlane;
}

// it takes at least one frame for the GVR plugin to update the relevant cameras
// based on the keepStereoUpdated boolean, so this assumes at least 2fps:

// ...or handle StereoController existence check via a coroutine/callbacks?
yield WaitForSeconds(.5);
// Type coercion is required... details in setVRMode.Start():
(StereoControllerComponent as StereoController).keepStereoUpdated = false;
}
return;
}

function EnableOceanCamera (isVR: boolean) {
if (!isVR) {
oceanCamera.GetComponent(Camera).enabled = true;
}

oceanRenderer.enabled = true;
cloudRenderer.enabled = true;
endSphereRenderer.enabled = true;
}


function getChildVRCameras(obj : GameObject) : Array{
var children : Array = new Array();
for (var child : Transform in obj.transform) {
var eyeCam = child.GetComponent.<Camera>();
if (Debug.isDebugBuild) {
Debug.Log("eyeCam is" + eyeCam);
}
if (eyeCam) {
children.Add(eyeCam);
}
}
return children;
}
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