void render() {
// Get the image tracker
TrackerManager trackerManager = TrackerManager.getInstance();
ObjectTracker objectTracker =
(ObjectTracker) (trackerManager.getTracker(ObjectTracker.getClassType()));
// Get the frame quality from the target builder
ImageTargetBuilder targetBuilder = objectTracker.getImageTargetBuilder();
int frameQuality = targetBuilder.getFrameQuality();
// Update the UI internal state variables
updateUIState(targetBuilder, frameQuality);
if (curStatus == STATUS.STATUS_SUCCESS) {
curStatus = STATUS.STATUS_IDLE;
Log.d(LOGTAG, "Built target, reactivating dataset with new target");
mActivity.doStartTrackers();
}
// Renders the hints
switch (curStatus) {
case STATUS_SCANNING:
renderScanningViewfinder(frameQuality);
break;
default:
break;
}
SampleUtils.checkGLError("RefFreeFrame render");
}
// Function for initializing the renderer.
private void initRendering() {
mTeapot = new Teapot();
mTextPlane = new TextPlane();
mRenderer = Renderer.getInstance();
GLES20.glClearColor(0.0f, 0.0f, 0.0f, Vuforia.requiresAlpha() ? 0.0f : 1.0f);
for (Texture t : mTextures) {
GLES20.glGenTextures(1, t.mTextureID, 0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, t.mTextureID[0]);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
GLES20.glTexImage2D(
GLES20.GL_TEXTURE_2D,
0,
GLES20.GL_RGBA,
t.mWidth,
t.mHeight,
0,
GLES20.GL_RGBA,
GLES20.GL_UNSIGNED_BYTE,
t.mData);
}
shaderProgramID =
SampleUtils.createProgramFromShaderSrc(
CubeShaders.CUBE_MESH_VERTEX_SHADER, CubeShaders.CUBE_MESH_FRAGMENT_SHADER);
vertexHandle = GLES20.glGetAttribLocation(shaderProgramID, "vertexPosition");
normalHandle = GLES20.glGetAttribLocation(shaderProgramID, "vertexNormal");
textureCoordHandle = GLES20.glGetAttribLocation(shaderProgramID, "vertexTexCoord");
mvpMatrixHandle = GLES20.glGetUniformLocation(shaderProgramID, "modelViewProjectionMatrix");
texSampler2DHandle = GLES20.glGetUniformLocation(shaderProgramID, "texSampler2D");
try {
mBuildingsModel = new SampleApplication3DModel();
mBuildingsModel.loadModel(mActivity.getResources().getAssets(), "ImageTargets/Buildings.txt");
} catch (IOException e) {
Log.e(LOGTAG, "Unable to load buildings");
}
// Hide the Loading Dialog
mActivity.loadingDialogHandler.sendEmptyMessage(LoadingDialogHandler.HIDE_LOADING_DIALOG);
}
// The render function.
private void renderFrame() {
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT);
State state = mRenderer.begin();
mRenderer.drawVideoBackground();
GLES20.glEnable(GLES20.GL_DEPTH_TEST);
// handle face culling, we need to detect if we are using reflection
// to determine the direction of the culling
GLES20.glEnable(GLES20.GL_CULL_FACE);
GLES20.glCullFace(GLES20.GL_BACK);
if (Renderer.getInstance().getVideoBackgroundConfig().getReflection()
== VIDEO_BACKGROUND_REFLECTION.VIDEO_BACKGROUND_REFLECTION_ON)
GLES20.glFrontFace(GLES20.GL_CW); // Front camera
else GLES20.glFrontFace(GLES20.GL_CCW); // Back camera
// did we find any trackables this frame?
for (int tIdx = 0; tIdx < state.getNumTrackableResults(); tIdx++) {
TrackableResult result = state.getTrackableResult(tIdx);
Trackable trackable = result.getTrackable();
printUserData(trackable);
Matrix44F modelViewMatrix_Vuforia = Tool.convertPose2GLMatrix(result.getPose());
float[] modelViewMatrix = modelViewMatrix_Vuforia.getData();
int textureIndex = trackable.getName().equalsIgnoreCase("cat") ? 0 : 1;
textureIndex = trackable.getName().equals("city") ? 1 : textureIndex;
textureIndex = trackable.getName().equalsIgnoreCase("tree") ? 2 : textureIndex;
// Part B
Calendar calendar = Calendar.getInstance();
int day = calendar.get(Calendar.DAY_OF_WEEK);
if (day != Calendar.SATURDAY && day != Calendar.SUNDAY) {
textureIndex =
trackable.getName().equalsIgnoreCase("b11_013")
? ImageTargets.orderImages.indexOf("b11_013") + 3
: textureIndex;
textureIndex =
trackable.getName().equalsIgnoreCase("b11_014")
? ImageTargets.orderImages.indexOf("b11_014") + 3
: textureIndex;
textureIndex =
trackable.getName().equalsIgnoreCase("b11_015")
? ImageTargets.orderImages.indexOf("b11_015") + 3
: textureIndex;
textureIndex =
trackable.getName().equalsIgnoreCase("berkaer_003")
? ImageTargets.orderImages.indexOf("berkaer_003") + 3
: textureIndex;
textureIndex =
trackable.getName().equalsIgnoreCase("p_013")
? ImageTargets.orderImages.indexOf("p_013") + 3
: textureIndex;
} else {
textureIndex = trackable.getName().equalsIgnoreCase("b11_013") ? 3 : textureIndex;
textureIndex = trackable.getName().equalsIgnoreCase("b11_014") ? 3 : textureIndex;
textureIndex = trackable.getName().equalsIgnoreCase("b11_015") ? 3 : textureIndex;
textureIndex = trackable.getName().equalsIgnoreCase("berkaer_003") ? 3 : textureIndex;
textureIndex = trackable.getName().equalsIgnoreCase("p_013") ? 3 : textureIndex;
}
// deal with the modelview and projection matrices
float[] modelViewProjection = new float[16];
boolean partA =
trackable.getName().equalsIgnoreCase("cat")
|| trackable.getName().equalsIgnoreCase("city")
|| trackable.getName().equalsIgnoreCase("tree");
if (!mActivity.isExtendedTrackingActive()) {
if (partA) {
Matrix.translateM(modelViewMatrix, 0, 0.0f, 0.0f, OBJECT_SCALE_FLOAT);
Matrix.scaleM(
modelViewMatrix, 0, OBJECT_SCALE_FLOAT, OBJECT_SCALE_FLOAT, OBJECT_SCALE_FLOAT);
} else {
Matrix.translateM(
modelViewMatrix, 0, OBJECT_SCALE_FLOAT, OBJECT_SCALE_FLOAT, OBJECT_SCALE_FLOAT);
Matrix.scaleM(
modelViewMatrix, 0, OBJECT_SCALE_FLOAT, OBJECT_SCALE_FLOAT, OBJECT_SCALE_FLOAT);
}
} else {
Matrix.rotateM(modelViewMatrix, 0, 90.0f, 1.0f, 0, 0);
Matrix.scaleM(modelViewMatrix, 0, kBuildingScale, kBuildingScale, kBuildingScale);
}
Matrix.multiplyMM(
modelViewProjection,
0,
vuforiaAppSession.getProjectionMatrix().getData(),
0,
modelViewMatrix,
0);
// activate the shader program and bind the vertex/normal/tex coords
GLES20.glUseProgram(shaderProgramID);
if (!mActivity.isExtendedTrackingActive()) {
if (partA) {
GLES20.glVertexAttribPointer(
vertexHandle, 3, GLES20.GL_FLOAT, false, 0, mTeapot.getVertices());
GLES20.glVertexAttribPointer(
normalHandle, 3, GLES20.GL_FLOAT, false, 0, mTeapot.getNormals());
GLES20.glVertexAttribPointer(
textureCoordHandle, 2, GLES20.GL_FLOAT, false, 0, mTeapot.getTexCoords());
} else {
Log.d("Object", "Name:" + trackable.getName());
// To replace the Teapot for a plane Image
GLES20.glVertexAttribPointer(
vertexHandle, 3, GLES20.GL_FLOAT, false, 0, mTextPlane.getVertices());
GLES20.glVertexAttribPointer(
normalHandle, 3, GLES20.GL_FLOAT, false, 0, mTextPlane.getNormals());
GLES20.glVertexAttribPointer(
textureCoordHandle, 2, GLES20.GL_FLOAT, false, 0, mTextPlane.getTexCoords());
}
GLES20.glEnableVertexAttribArray(vertexHandle);
GLES20.glEnableVertexAttribArray(normalHandle);
GLES20.glEnableVertexAttribArray(textureCoordHandle);
// activate texture 0, bind it, and pass to shader
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextures.get(textureIndex).mTextureID[0]);
GLES20.glUniform1i(texSampler2DHandle, 0);
// pass the model view matrix to the shader
GLES20.glUniformMatrix4fv(mvpMatrixHandle, 1, false, modelViewProjection, 0);
if (partA) {
// Finally draw the teapot
GLES20.glDrawElements(
GLES20.GL_TRIANGLES,
mTeapot.getNumObjectIndex(),
GLES20.GL_UNSIGNED_SHORT,
mTeapot.getIndices());
} else {
// Draw the plane text
GLES20.glDrawElements(
GLES20.GL_TRIANGLES,
mTextPlane.getNumObjectIndex(),
GLES20.GL_UNSIGNED_SHORT,
mTextPlane.getIndices());
}
// disable the enabled arrays
GLES20.glDisableVertexAttribArray(vertexHandle);
GLES20.glDisableVertexAttribArray(normalHandle);
GLES20.glDisableVertexAttribArray(textureCoordHandle);
} else {
GLES20.glDisable(GLES20.GL_CULL_FACE);
GLES20.glVertexAttribPointer(
vertexHandle, 3, GLES20.GL_FLOAT, false, 0, mBuildingsModel.getVertices());
GLES20.glVertexAttribPointer(
normalHandle, 3, GLES20.GL_FLOAT, false, 0, mBuildingsModel.getNormals());
GLES20.glVertexAttribPointer(
textureCoordHandle, 2, GLES20.GL_FLOAT, false, 0, mBuildingsModel.getTexCoords());
GLES20.glEnableVertexAttribArray(vertexHandle);
GLES20.glEnableVertexAttribArray(normalHandle);
GLES20.glEnableVertexAttribArray(textureCoordHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextures.get(3).mTextureID[0]);
GLES20.glUniformMatrix4fv(mvpMatrixHandle, 1, false, modelViewProjection, 0);
GLES20.glUniform1i(texSampler2DHandle, 0);
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, mBuildingsModel.getNumObjectVertex());
SampleUtils.checkGLError("Renderer DrawBuildings");
}
SampleUtils.checkGLError("Render Frame");
}
GLES20.glDisable(GLES20.GL_DEPTH_TEST);
mRenderer.end();
}