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-rw-r--r--ui.cpp23
1 files changed, 13 insertions, 10 deletions
diff --git a/ui.cpp b/ui.cpp
index f745cb0..7e6dfdc 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -299,7 +299,10 @@ void UI::render_internal() {
}
void UI::do_follow() {
- if (_s.movement.size() == 0) return;
+ if (_s.movement.size() == 0 || _follow_s >= _s.movement.size()) {
+ _follow = false;
+ return;
+ }
hilare_a_mvt &m = _s.movement[_follow_s];
@@ -310,25 +313,25 @@ void UI::do_follow() {
if (m.dtheta_before != 0) {
_follow_pos = m.from;
- if (s < divide / 2) {
- _follow_pos.theta += m.dtheta_before * s / (divide / 2);
- _follow_pos.phi -= m.dtheta_before * s / (divide / 2);
+ if (s < 30) {
+ _follow_pos.theta += m.dtheta_before * s / 30;
+ _follow_pos.phi -= m.dtheta_before * s / 30;
} else {
- s -= divide / 2;
- s *= 2;
+ s -= 30;
+ int dd = divide - 30;
_follow_pos.theta += m.dtheta_before;
_follow_pos.phi -= m.dtheta_before;
if (m.is_arc) {
- _follow_pos.theta += m.domega * s / divide;
+ _follow_pos.theta += m.domega * s / dd;
- vec p = m.center + vec::from_polar((m.from.pos() - m.center).norm(), (m.from.pos() - m.center).angle() + m.domega * s / divide);
+ vec p = m.center + vec::from_polar((m.from.pos() - m.center).norm(), (m.from.pos() - m.center).angle() + m.domega * s / dd);
_follow_pos.x = p.x;
_follow_pos.y = p.y;
} else {
- _follow_pos.x = (s * m.to.x + (divide - s) * m.from.x) / divide;
- _follow_pos.y = (s * m.to.y + (divide - s) * m.from.y) / divide;
+ _follow_pos.x = (s * m.to.x + (dd - s) * m.from.x) / dd;
+ _follow_pos.y = (s * m.to.y + (dd - s) * m.from.y) / dd;
}
}
} else {