private void createBackgroundMesh() {
// The composition and colors of the background mesh were plotted on paper and photoshop
// first then translated to the csv file in raw. Points and colors are not random.
ArrayList meshData = new ArrayList();
InputStream inputStream = mRes.openRawResource(R.raw.bgmesh);
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
try {
String line;
while ((line = reader.readLine()) != null) {
meshData.add(line);
}
} catch (IOException e) {
Log.e(LOG_TAG, "Unable to load background mesh from csv file.");
} finally {
try {
inputStream.close();
} catch (IOException e) {
Log.e(LOG_TAG, "Unable to close background mesh csv file.");
}
}
int meshDataSize = meshData.size();
mVertexColors = new ScriptField_VertexColor_s(mRS, meshDataSize);
for (int i = 0; i < meshDataSize; i++) {
String line = (String) meshData.get(i);
String[] values = line.split(",");
float xPos = new Float(values[0]);
float yPos = new Float(values[1]);
float red = new Float(values[2]);
float green = new Float(values[3]);
float blue = new Float(values[4]);
mVertexColors.set_position(i, new Float3(xPos, yPos, 0.0f), false);
mVertexColors.set_color(i, new Float4(red, green, blue, 1.0f), false);
}
mVertexColors.copyAll();
Mesh.AllocationBuilder backgroundBuilder = new Mesh.AllocationBuilder(mRS);
backgroundBuilder.addIndexSetType(Primitive.TRIANGLE);
backgroundBuilder.addVertexAllocation(mVertexColors.getAllocation());
mScript.set_gBackgroundMesh(backgroundBuilder.create());
mScript.bind_vertexColors(mVertexColors);
}
public void init(int dpi, RenderScriptGL rs, Resources res, int width, int height) {
if (!mInited) {
mDensityDPI = dpi;
mRS = rs;
mRes = res;
mWidth = width;
mHeight = height;
mDotParticles = new ScriptField_Particle(mRS, DOT_COUNT);
Mesh.AllocationBuilder smb2 = new Mesh.AllocationBuilder(mRS);
smb2.addVertexAllocation(mDotParticles.getAllocation());
smb2.addIndexSetType(Mesh.Primitive.POINT);
mDotMesh = smb2.create();
mBeamParticles = new ScriptField_Particle(mRS, DOT_COUNT);
Mesh.AllocationBuilder smb3 = new Mesh.AllocationBuilder(mRS);
smb3.addVertexAllocation(mBeamParticles.getAllocation());
smb3.addIndexSetType(Mesh.Primitive.POINT);
mBeamMesh = smb3.create();
mScript = new ScriptC_phasebeam(mRS, mRes, R.raw.phasebeam);
mScript.set_dotMesh(mDotMesh);
mScript.set_beamMesh(mBeamMesh);
mScript.bind_dotParticles(mDotParticles);
mScript.bind_beamParticles(mBeamParticles);
mPvConsts = new ScriptField_VpConsts(mRS, 1);
createProgramVertex();
createProgramRaster();
createProgramFragmentStore();
createProgramFragment();
createBackgroundMesh();
loadTextures();
mScript.set_densityDPI(mDensityDPI);
mRS.bindRootScript(mScript);
mScript.invoke_positionParticles();
mInited = true;
}
}