void RubikGame::gameLoop()
{
while(_gameState != GameState::EXIT)
{
frameSetUp();
processInput();
timeProgress();
updateCamera();
drawGame();
frameTearDown();
}
}
int main() {
// Compute image sample positions
SampleGrid pixelGrid;
BestCandidate2D(imageSamples,
SAMPLE_TABLE_SIZE, &pixelGrid);
// Compute time samples
ProgressReporter timeProgress(SAMPLE_TABLE_SIZE, "Time samples"); //NOBOOK
for (int i = 0; i < SAMPLE_TABLE_SIZE; ++i)
timeSamples[i] = (i + RandomFloat()) /
SAMPLE_TABLE_SIZE;
for (int currentSample = 1;
currentSample < SAMPLE_TABLE_SIZE;
++currentSample) {
// Select best time sample for current image sample
int best = -1;
// Find best time relative to neighbors
float maxMinDelta = 0.;
for (int t = currentSample; t < SAMPLE_TABLE_SIZE; ++t) {
// Compute min delta for this time
int gu = GRID(imageSamples[currentSample][0]);
int gv = GRID(imageSamples[currentSample][1]);
float minDelta = INFINITY;
for (int du = -1; du <= 1; ++du) {
for (int dv = -1; dv <= 1; ++dv) {
// Check offset from times of nearby samples
// Compute (u,v) grid cell to check
int u = gu + du, v = gv + dv;
if (u < 0) u += BC_GRID_SIZE;
if (u >= BC_GRID_SIZE) u -= BC_GRID_SIZE;
if (v < 0) v += BC_GRID_SIZE;
if (v >= BC_GRID_SIZE) v -= BC_GRID_SIZE;
for (u_int g = 0; g < pixelGrid[u][v].size(); ++g) {
int otherSample = pixelGrid[u][v][g];
if (otherSample < currentSample) {
float dt = Wrapped1DDist(timeSamples[otherSample],
timeSamples[t]);
minDelta = min(minDelta, dt);
}
}
}
}
// Update _best_ if this is best time so far
if (minDelta > maxMinDelta) {
maxMinDelta = minDelta;
best = t;
}
}
Assert(best != -1); // NOBOOK
swap(timeSamples[best], timeSamples[currentSample]);
timeProgress.Update(); //NOBOOK
}
timeProgress.Done();; // NOBOOK
// Compute lens samples
BestCandidate2D(lensSamples, SAMPLE_TABLE_SIZE);
Redistribute2D(lensSamples, pixelGrid);
// Write sample table to disk
FILE *f = fopen("sampledata.cpp", "w");
if (f == NULL) {
Severe("Couldn't open sampledata.cpp for writing.");
}
fprintf(f, "\n/* Automatically generated %dx%d sample "
"table (%s @ %s) */\n\n",
SQRT_SAMPLE_TABLE_SIZE, SQRT_SAMPLE_TABLE_SIZE,
__DATE__, __TIME__);
fprintf(f, "const float "
"BestCandidateSampler::sampleTable[%d][5] = {\n",
SAMPLE_TABLE_SIZE);
for (int i = 0; i < SAMPLE_TABLE_SIZE; ++i) {
fprintf(f, " { ");
fprintf(f, "%10.10ff, %10.10ff, ", imageSamples[i][0],
imageSamples[i][1]);
fprintf(f, "%10.10ff, ", timeSamples[i]);
fprintf(f, "%10.10ff, %10.10ff, ", lensSamples[i][0],
lensSamples[i][1]);
fprintf(f, "},\n");
}
fprintf(f, "};\n");
return 0;
}
