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adding number generation modes for circle and rectangle

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This commit is contained in:
incredibleLeitman 2020-11-27 03:08:37 +01:00
parent e78cf39d6d
commit ea1461c1ae
1 changed files with 27 additions and 8 deletions
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35
main.cpp
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@ -42,10 +42,32 @@ int main (int argc, char **argv)
std::cout << "generating random numbers..." << std::endl;
//srand(static_cast <unsigned> (time(0)));
srand(static_cast <unsigned> (0)); // fixed seed for testing
// 2) rectangle
//float diff = (2.f * HEIGHT / valCount);
// 3) circle
//float rad = HEIGHT / 2; //8.0f;
//float deg = (float)(2 * 3.14159 / valCount);
float x = 0;
float y = 0;
for (int i = 0; i < valCount; ++i)
{
float x = OFFSET + static_cast <float> (rand()) / (static_cast <float> (RAND_MAX / (WIDTH - OFFSET)));
float y = OFFSET + static_cast <float> (rand()) / (static_cast <float> (RAND_MAX / (HEIGHT - OFFSET)));
// 1) random generation
//x = OFFSET + static_cast <float> (rand()) / (static_cast <float> (RAND_MAX / (WIDTH - OFFSET)));
//y = OFFSET + static_cast <float> (rand()) / (static_cast <float> (RAND_MAX / (HEIGHT - OFFSET)));
x = OFFSET + static_cast <float> (rand()) / (static_cast <float> (RAND_MAX / (WIDTH - 2*OFFSET)));
y = OFFSET + static_cast <float> (rand()) / (static_cast <float> (RAND_MAX / (HEIGHT - 2*OFFSET)));
// 2) rectangle
//x = (i%2 == 0) ? OFFSET : WIDTH - OFFSET;
//y = diff/2 + (i/2) * diff;
// 3) position in circle around center, x/y plane
//x = WIDTH/2 + rad * cosf(i * deg);
//y = HEIGHT/2 + rad * sinf(i * deg);
points.push_back(Point(x, y));
}
}
@ -78,7 +100,7 @@ int main (int argc, char **argv)
}
// TODO: sort here, once and for all? xD
sortPoints(points);
//sortPoints(points);
for (Point& pt : points)
{
std::cout << "pt: " << pt.x() << ", " << pt.y() << std::endl;
@ -86,13 +108,10 @@ int main (int argc, char **argv)
if (vis)
{
// TODO: use data as ctor argument? pointer?
// TEST to check SFML coordinate system
points.push_back(Point(0, 0));
//points.push_back(Point(0, 0));
Display display;
display.setData(points);
Display display(points);
display.show();
}