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Adjust polar to point and bearing drawing

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This commit is contained in:
Joel Wetzell 2020-07-01 13:16:48 -05:00
parent 863bb04091
commit abb4385859
2 changed files with 6 additions and 3 deletions
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5
firmware/application/ui/ui_geomap.cpp
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@ -169,8 +169,9 @@ void GeoMap::paint(Painter& painter) {
display.fill_rectangle({ r.center() - Point(16, 1), { 32, 2 } }, Color::red());
display.fill_rectangle({ r.center() - Point(1, 16), { 2, 32 } }, Color::red());
} else {
draw_bearing({ 120, 32 + 144 }, angle_, 10, Color::red());
painter.draw_string({ 120 - ((int)tag_.length() * 8 / 2), 32 + 144 - 32 }, style(), tag_);
//coordinates could probably be calculted off screen_rect()?
draw_bearing({ 120, 16 + 48 + 128 }, angle_, 10, Color::red());
painter.draw_string({ 120 - ((int)tag_.length() * 8 / 2), 16 + 48 + 128 - 32 }, style(), tag_);
}
}

4
firmware/common/ui.cpp
View File

@ -91,7 +91,9 @@ Rect& Rect::operator-=(const Point& p) {
}
Point polar_to_point(float angle, uint32_t distance) {
return Point(sin_f32(DEG_TO_RAD(angle) + (pi / 2)) * distance, -sin_f32(DEG_TO_RAD(angle)) * distance);
//polar to compass with y negated for screen drawing
return Point(sin_f32(DEG_TO_RAD(-angle) + pi) * distance,
sin_f32(DEG_TO_RAD(-angle) - (pi / 2)) * distance);
}
} /* namespace ui */