double hexAngle_rad(const Point &h1, const Point &h2)
{
// Our coordinate system has y-axis increasing as you go down the screen,
// so we need to flip it to align with the cartesian plane.
auto p1 = pixelFromHex(h1);
auto p2 = pixelFromHex(h2);
return atan2(p1.y - p2.y, p2.x - p1.x);
}
Point Battlefield::sPixelFromHex(int hx, int hy) const
{
auto basePixel = pixelFromHex(hx, hy);
int px = basePixel.x + displayArea_.x;
int py = basePixel.y + displayArea_.y;
return {px, py};
}
#include "chasecolours.hpp"
const pixelColor_t ChaseColours::chase_colours[] = {
pixelFromHex(Yellow), pixelFromHex(Green), pixelFromHex(HotPink), pixelFromHex(Blue), pixelFromHex(Red), pixelFromHex(White)
};
void ChaseColours::next()
{
++idx;
if (idx >= sizeof(chase_colours)/sizeof(pixelColor_t))
idx = 0;
}
Point pixelFromHex(Point hex)
{
return pixelFromHex(hex.x, hex.y);
}
