void show_block(uint8_t x, uint8_t y, const block& fig, const color::rgb& rgb)
{
for(uint8_t i = 0; i != fig.height; ++i)
{
for(uint8_t j = 0; j != fig.width; ++j)
{
if(fig.at(j, i))
ws2812_matrix::set_pixel_color(x + j, y - i, rgb);
}
}
}
void hide_block(uint8_t x, uint8_t y, const block& fig)
{
for(uint8_t i = 0; i != fig.height; ++i)
{
for(uint8_t j = 0; j != fig.width; ++j)
{
if(fig.at(j, i))
ws2812_matrix::clear_pixel(x + j, y - i);
}
}
}
bool intersects(const block& b, uint8_t x, uint8_t y)
{
for(uint8_t i = 0; i != b.height; ++i)
{
for(uint8_t j = 0; j != b.width; ++j)
{
if(b.at(j, i) && ws2812_matrix::is_on(x + j, y - i))
return true;
}
}
return false;
}
block rotate_block(const block& b)
{
block ret { b.height, b.width, 0, 0, 0, 0 };
for(uint8_t i = 0; i != b.width; ++i)
{
for(uint8_t j = 0; j != b.height; ++j)
{
//ret.set(j, i, b.at(b.width - i - 1, j)); //ccw
ret.set(b.height - 1 - j, i, b.at(i, j)); //cw
}
}
return ret;
}