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chore: clarity camera controller tick function

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Sara 2024-09-26 14:09:29 +02:00
parent b9935846c4
commit 62c36b9660
1 changed files with 9 additions and 5 deletions
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14
src/camera_controller.c
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@ -42,14 +42,18 @@ void CameraControllerTick(CameraController *self, double delta) {
Transform current = self->transform.tc->get_global_transform(self->transform.data);
self->target.tc->force_update(self->target.data);
Transform target = self->target.tc->get_global_transform(self->target.data);
// calculate time multiplier...
float const time_mul = fminf(1.f, fmaxf(0.1f, powf(self->time_rotated / self->max_speed_time, 0.5f)));
// ... angle difference ...
float const angle = QuaternionAngleDifference(current.rotation, target.rotation);
// ... and maximum frame step size
float const step = self->rotation_speed * time_mul * delta;
self->time_rotated += delta;
if(step < angle)
target.rotation = QuaternionSlerp(current.rotation, target.rotation, step / angle);
else if(self->time_rotated > delta)
if(angle > 0.f)
target.rotation = QuaternionSlerp(current.rotation, target.rotation, fminf(fminf(step, angle) / angle, 0.99f));
if(step > angle && self->time_rotated > delta)
self->time_rotated -= 3.f * delta;
else self->time_rotated = 0.f;
else if(step > angle)
self->time_rotated = 0.f;
self->time_rotated += delta;
self->transform.tc->set_global_transform(self->transform.data, target);
}