SceneDelegate::SceneDelegate(void) {
const unsigned int numberOfMeshes = 4;
// use TSL to generate some geometry
tsl::IndexedMesh meshes[numberOfMeshes];
tsl::CreateBox( 50, 50, 15, 10, &meshes[0] );
tsl::CreateCube( 5, 2, &meshes[1] );
tsl::CreateCone( 3, 5, 10, &meshes[2] );
tsl::CreateSphere( 3, 10, &meshes[3] );
bool invertNormals[numberOfMeshes] = {true, false, false, false};
// convert TSL geometry into framework format
mesh_.resize(numberOfMeshes);
for (unsigned int i=0; i<numberOfMeshes; ++i) {
const unsigned int numberOfTriangles = tsl::ConvertPolygonsToTriangles(&meshes[i]);
const unsigned int numberOfVertices = meshes[i].vertex_array.size();
mesh_[i].vertexArray.assign((const Float3*) &meshes[i].vertex_array.front(),
(const Float3*) &meshes[i].vertex_array.back()+1);
mesh_[i].normalArray.assign((const Float3*) &meshes[i].normal_array.front(),
(const Float3*) &meshes[i].normal_array.back()+1);
mesh_[i].indexArray.assign(&meshes[i].index_array.front(), &meshes[i].index_array.back()+1);
normalizeMesh(invertNormals[i], &mesh_[i]);
}
// initialise shapes
const unsigned int numberOfShapes = 4;
const Float3 shapePositions[numberOfShapes] = {
Float3(0, 0, 7.5f), Float3(-8, 0, 2.5f), Float3(0, 0, 0), Float3(8, 0, 3) };
shape_.resize(numberOfShapes);
for (unsigned int i=0; i<numberOfShapes; ++i) {
shape_[i].meshIndex = i;
shape_[i].position = shapePositions[i];
}
// initialise lights
const unsigned int numberOfLights = 2;
light_.resize(numberOfLights);
for (unsigned int i=0; i<numberOfLights; ++i) {
light_[i].coneAngle = 1;
light_[i].direction = Float3(0, 0, -1);
light_[i].intensity = 1;
}
light_[0].intensity = 0.8f;
light_[1].position = Float3(-10, -10, 1);
light_[1].direction = Float3(0, 1, 0);
light_[1].coneAngle = 0.3f;
light_[1].intensity = 0.5f;
// provide an opportunity for the animation code to modify shapes and lights
animate(0);
}
void ofApp::drawNormalized(ofxFaceTracker& tracker) {
ofClear(0, 0);
ofMesh mesh = tracker.getMeanObjectMesh();
normalizeMesh(mesh);
mesh.draw();
}
