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class Scene {
PointCloud point_cloud;
ArrayList<Triangle> mesh;
BVH bvh;
MotionField motion_field;
Camera last_cam;
Camera current_cam;
int frame_count;
Scene(Camera camera, PointCloud point_cloud, MotionField motion_field) {
this.point_cloud = point_cloud;
this.motion_field = motion_field;
mesh = new ArrayList<Triangle>();
for (int v = 0; v < height - 1; v++)
for (int u = 0; u < width - 1; u++) {
PVector p1 = point_cloud.getPosition(v * width + u);
PVector p2 = point_cloud.getPosition(v * width + u + 1);
PVector p3 = point_cloud.getPosition((v + 1) * width + u + 1);
PVector p4 = point_cloud.getPosition((v + 1) * width + u);
color c1 = point_cloud.getColor(v * width + u);
color c2 = point_cloud.getColor(v * width + u + 1);
color c3 = point_cloud.getColor((v + 1) * width + u + 1);
color c4 = point_cloud.getColor((v + 1) * width + u);
mesh.add(new Triangle(p1, p2, p3, c1, c2, c3));
mesh.add(new Triangle(p3, p4, p1, c3, c4, c1));
}
bvh = new BVH(mesh);
last_cam = camera.copy();
current_cam = camera;
frame_count = 0;
}
void run() {
last_cam = current_cam.copy();
current_cam.run();
motion_field.update(last_cam, current_cam, point_cloud, bvh);
frame_count += 1;
}
void render(boolean show_motion_field) {
// build mesh
current_cam.open();
noStroke();
for (int i = 0; i < mesh.size(); i++) {
Triangle t = mesh.get(i);
t.render();
}
if (show_motion_field) {
current_cam.close();
motion_field.render();
}
}
void save(String path) { saveFrame(path + "_" + str(frame_count) + ".png"); }
void saveMotionField(String path) {
motion_field.save(path + "_" + str(frame_count) + ".txt");
}
}
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