@Override
protected void onRender(final long ellapsedTime, final double deltaTime) {
mUserScene = getCurrentScene();
setRenderTarget(mLeftRenderTarget);
getCurrentScene().switchCamera(mCameraLeft);
GLES20.glViewport(0, 0, mViewportWidthHalf, mDefaultViewportHeight);
mCameraLeft.setProjectionMatrix(mViewportWidthHalf, mDefaultViewportHeight);
mCameraLeft.setOrientation(mCameraOrientation);
render(ellapsedTime, deltaTime);
setRenderTarget(mRightRenderTarget);
getCurrentScene().switchCamera(mCameraRight);
mCameraRight.setProjectionMatrix(mViewportWidthHalf, mDefaultViewportHeight);
mCameraRight.setOrientation(mCameraOrientation);
render(ellapsedTime, deltaTime);
switchSceneDirect(mSideBySideScene);
GLES20.glViewport(0, 0, mDefaultViewportWidth, mDefaultViewportHeight);
setRenderTarget(null);
render(ellapsedTime, deltaTime);
switchSceneDirect(mUserScene);
}
@Override
public void initScene() {
mCameraLeft = new Camera();
mCameraLeft.setNearPlane(.01f);
mCameraLeft.setFieldOfView(getCurrentCamera().getFieldOfView());
mCameraLeft.setNearPlane(getCurrentCamera().getNearPlane());
mCameraLeft.setFarPlane(getCurrentCamera().getFarPlane());
mCameraRight = new Camera();
mCameraRight.setNearPlane(.01f);
mCameraRight.setFieldOfView(getCurrentCamera().getFieldOfView());
mCameraRight.setNearPlane(getCurrentCamera().getNearPlane());
mCameraRight.setFarPlane(getCurrentCamera().getFarPlane());
setPupilDistance(mPupilDistance);
mLeftQuadMaterial = new Material();
mLeftQuadMaterial.setColorInfluence(0);
mRightQuadMaterial = new Material();
mRightQuadMaterial.setColorInfluence(0);
mSideBySideScene = new RajawaliScene(this);
mLeftQuad = new ScreenQuad();
mLeftQuad.setScaleX(.5);
mLeftQuad.setX(-.25);
mLeftQuad.setMaterial(mLeftQuadMaterial);
mSideBySideScene.addChild(mLeftQuad);
mRightQuad = new ScreenQuad();
mRightQuad.setScaleX(.5);
mRightQuad.setX(.25);
mRightQuad.setMaterial(mRightQuadMaterial);
mSideBySideScene.addChild(mRightQuad);
addScene(mSideBySideScene);
mViewportWidthHalf = (int) (mDefaultViewportWidth * .5f);
mLeftRenderTarget = new RenderTarget("sbsLeftRT", mViewportWidthHalf, mDefaultViewportHeight);
mLeftRenderTarget.setFullscreen(false);
mRightRenderTarget = new RenderTarget("sbsRightRT", mViewportWidthHalf, mDefaultViewportHeight);
mRightRenderTarget.setFullscreen(false);
mCameraLeft.setProjectionMatrix(mViewportWidthHalf, mDefaultViewportHeight);
mCameraRight.setProjectionMatrix(mViewportWidthHalf, mDefaultViewportHeight);
addRenderTarget(mLeftRenderTarget);
addRenderTarget(mRightRenderTarget);
try {
mLeftQuadMaterial.addTexture(mLeftRenderTarget.getTexture());
mRightQuadMaterial.addTexture(mRightRenderTarget.getTexture());
} catch (TextureException e) {
e.printStackTrace();
}
}
public Scene(Renderer renderer) {
mRenderer = renderer;
mAlpha = 0;
mAnimations = Collections.synchronizedList(new CopyOnWriteArrayList<Animation>());
mPreCallbacks = Collections.synchronizedList(new CopyOnWriteArrayList<ASceneFrameCallback>());
mPreDrawCallbacks =
Collections.synchronizedList(new CopyOnWriteArrayList<ASceneFrameCallback>());
mPostCallbacks = Collections.synchronizedList(new CopyOnWriteArrayList<ASceneFrameCallback>());
mChildren = Collections.synchronizedList(new CopyOnWriteArrayList<Object3D>());
mPlugins = Collections.synchronizedList(new CopyOnWriteArrayList<IRendererPlugin>());
mCameras = Collections.synchronizedList(new CopyOnWriteArrayList<Camera>());
mLights = Collections.synchronizedList(new CopyOnWriteArrayList<ALight>());
mFrameTaskQueue = new LinkedList<>();
mCamera = new Camera();
mCamera.setZ(mEyeZ);
mCameras.add(mCamera);
mAntiAliasingConfig = ISurface.ANTI_ALIASING_CONFIG.NONE; // Default to none
}
private Matrix4 createLightViewProjectionMatrix(DirectionalLight light) {
//
// -- Get the frustum corners in world space
//
mCamera.getFrustumCorners(mFrustumCorners, true);
//
// -- Get the frustum centroid
//
mFrustumCentroid.setAll(0, 0, 0);
for (int i = 0; i < 8; i++) mFrustumCentroid.add(mFrustumCorners[i]);
mFrustumCentroid.divide(8.0);
//
// --
//
BoundingBox lightBox = new BoundingBox(mFrustumCorners);
double distance = mFrustumCentroid.distanceTo(lightBox.getMin());
Vector3 lightDirection = light.getDirectionVector().clone();
lightDirection.normalize();
Vector3 lightPosition =
Vector3.subtractAndCreate(
mFrustumCentroid, Vector3.multiplyAndCreate(lightDirection, distance));
//
// --
//
mLightViewMatrix.setToLookAt(lightPosition, mFrustumCentroid, Vector3.Y);
for (int i = 0; i < 8; i++) mFrustumCorners[i].multiply(mLightViewMatrix);
BoundingBox b = new BoundingBox(mFrustumCorners);
mLightProjectionMatrix.setToOrthographic(
b.getMin().x, b.getMax().x, b.getMin().y, b.getMax().y, -b.getMax().z, -b.getMin().z);
mLightModelViewProjectionMatrix.setAll(mLightProjectionMatrix);
mLightModelViewProjectionMatrix.multiply(mLightViewMatrix);
return mLightModelViewProjectionMatrix;
}
/**
* Updates the projection matrix of the current camera for new view port dimensions.
*
* @param width int the new viewport width in pixels.
* @param height in the new viewport height in pixes.
*/
public void updateProjectionMatrix(int width, int height) {
mCamera.setProjectionMatrix(width, height);
}
public void render(
long ellapsedTime, double deltaTime, RenderTarget renderTarget, Material sceneMaterial) {
// Scene color-picking requests are relative to the prior frame's render
// state, so handle any pending request before applying this frame's updates...
if (mPickerInfo != null) {
doColorPicking(mPickerInfo);
// One-shot, once per frame at most
mPickerInfo = null;
}
performFrameTasks(); // Handle the task queue
synchronized (mFrameTaskQueue) {
if (mLightsDirty) {
updateMaterialsWithLights();
mLightsDirty = false;
}
}
synchronized (mNextSkyboxLock) {
// Check if we need to switch the skybox, and if so, do it.
if (mNextSkybox != null) {
mSkybox = mNextSkybox;
mNextSkybox = null;
}
}
synchronized (mNextCameraLock) {
// Check if we need to switch the camera, and if so, do it.
if (mNextCamera != null) {
mCamera = mNextCamera;
mCamera.setProjectionMatrix(mRenderer.getViewportWidth(), mRenderer.getViewportHeight());
mNextCamera = null;
}
}
int clearMask = mAlwaysClearColorBuffer ? GLES20.GL_COLOR_BUFFER_BIT : 0;
if (renderTarget != null) {
renderTarget.bind();
GLES20.glClearColor(mRed, mGreen, mBlue, mAlpha);
} else {
// GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
GLES20.glClearColor(mRed, mGreen, mBlue, mAlpha);
}
if (mEnableDepthBuffer) {
clearMask |= GLES20.GL_DEPTH_BUFFER_BIT;
GLES20.glEnable(GLES20.GL_DEPTH_TEST);
GLES20.glDepthFunc(GLES20.GL_LESS);
GLES20.glDepthMask(true);
GLES20.glClearDepthf(1.0f);
}
if (mAntiAliasingConfig.equals(ISurface.ANTI_ALIASING_CONFIG.COVERAGE)) {
clearMask |= GL_COVERAGE_BUFFER_BIT_NV;
}
GLES20.glClear(clearMask);
// Execute onPreFrame callbacks
// We explicitly break out the steps here to help the compiler optimize
final int preCount = mPreCallbacks.size();
if (preCount > 0) {
synchronized (mPreCallbacks) {
for (int i = 0; i < preCount; ++i) {
mPreCallbacks.get(i).onPreFrame(ellapsedTime, deltaTime);
}
}
}
// Update all registered animations
synchronized (mAnimations) {
for (int i = 0, j = mAnimations.size(); i < j; ++i) {
Animation anim = mAnimations.get(i);
if (anim.isPlaying()) anim.update(deltaTime);
}
}
// We are beginning the render process so we need to update the camera matrix before fetching
// its values
mCamera.onRecalculateModelMatrix(null);
// Get the view and projection matrices in advance
mVMatrix = mCamera.getViewMatrix();
mPMatrix = mCamera.getProjectionMatrix();
// Pre-multiply View and Projection matrices once for speed
mVPMatrix.setAll(mPMatrix).multiply(mVMatrix);
mInvVPMatrix.setAll(mVPMatrix).inverse();
mCamera.updateFrustum(mInvVPMatrix); // Update frustum plane
// Update the model matrices of all the lights
synchronized (mLights) {
final int numLights = mLights.size();
for (int i = 0; i < numLights; ++i) {
mLights.get(i).onRecalculateModelMatrix(null);
}
}
// Execute onPreDraw callbacks
// We explicitly break out the steps here to help the compiler optimize
final int preDrawCount = mPreDrawCallbacks.size();
if (preDrawCount > 0) {
synchronized (mPreDrawCallbacks) {
for (int i = 0; i < preDrawCount; ++i) {
mPreDrawCallbacks.get(i).onPreDraw(ellapsedTime, deltaTime);
}
}
}
if (mSkybox != null) {
GLES20.glDisable(GLES20.GL_DEPTH_TEST);
GLES20.glDepthMask(false);
mSkybox.setPosition(mCamera.getX(), mCamera.getY(), mCamera.getZ());
// Model matrix updates are deferred to the render method due to parent matrix needs
// Render the skybox
mSkybox.render(mCamera, mVPMatrix, mPMatrix, mVMatrix, null);
if (mEnableDepthBuffer) {
GLES20.glEnable(GLES20.GL_DEPTH_TEST);
GLES20.glDepthMask(true);
}
}
if (sceneMaterial != null) {
sceneMaterial.useProgram();
sceneMaterial.bindTextures();
}
synchronized (mChildren) {
for (int i = 0, j = mChildren.size(); i < j; ++i) {
// Model matrix updates are deferred to the render method due to parent matrix needs
mChildren.get(i).render(mCamera, mVPMatrix, mPMatrix, mVMatrix, sceneMaterial);
}
}
if (mDisplaySceneGraph) {
mSceneGraph.displayGraph(mCamera, mVPMatrix, mPMatrix, mVMatrix);
}
if (sceneMaterial != null) {
sceneMaterial.unbindTextures();
}
synchronized (mPlugins) {
for (int i = 0, j = mPlugins.size(); i < j; i++) mPlugins.get(i).render();
}
if (renderTarget != null) {
renderTarget.unbind();
}
// Execute onPostFrame callbacks
// We explicitly break out the steps here to help the compiler optimize
final int postCount = mPostCallbacks.size();
if (postCount > 0) {
synchronized (mPostCallbacks) {
for (int i = 0; i < postCount; ++i) {
mPostCallbacks.get(i).onPostFrame(ellapsedTime, deltaTime);
}
}
}
}
public void setPupilDistance(double pupilDistance) {
mPupilDistance = pupilDistance;
if (mCameraLeft != null) mCameraLeft.setX(pupilDistance * -.5);
if (mCameraLeft != null) mCameraRight.setX(pupilDistance * .5);
}