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);
}
private void createProgramVertex() {
ProgramVertex.Builder backgroundBuilder = new ProgramVertex.Builder(mRS);
backgroundBuilder.setShader(mRes, R.raw.bg_vs);
backgroundBuilder.addInput(ScriptField_VertexColor_s.createElement(mRS));
ProgramVertex programVertexBackground = backgroundBuilder.create();
mScript.set_vertBg(programVertexBackground);
updateProjectionMatrices();
ProgramVertex.Builder builder = new ProgramVertex.Builder(mRS);
builder.setShader(mRes, R.raw.dot_vs);
builder.addConstant(mPvConsts.getType());
builder.addInput(mDotMesh.getVertexAllocation(0).getType().getElement());
ProgramVertex pvs = builder.create();
pvs.bindConstants(mPvConsts.getAllocation(), 0);
mRS.bindProgramVertex(pvs);
mScript.set_vertDots(pvs);
}
