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Reduce first person camera interpolation time

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This commit is contained in:
scott-c 2019-08-18 14:55:14 +08:00
parent 5fd4f00012
commit d045dbb2f6
1 changed files with 19 additions and 3 deletions
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22
voxygen/src/scene/camera.rs
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@ -7,7 +7,8 @@ use vek::*;
const NEAR_PLANE: f32 = 0.01;
const FAR_PLANE: f32 = 10000.0;
const INTERP_TIME: f32 = 0.1;
const FIRST_PERSON_INTERP_TIME: f32 = 0.05;
const THIRD_PERSON_INTERP_TIME: f32 = 0.1;
pub const MIN_ZOOM: f32 = 0.1;
// Possible TODO: Add more modes
@ -166,11 +167,26 @@ impl Camera {
// This is horribly frame time dependent, but so is most of the game
let delta = self.last_time.replace(time).map_or(0.0, |t| time - t);
if (self.dist - self.tgt_dist).abs() > 0.01 {
self.dist = f32::lerp(self.dist, self.tgt_dist, (delta as f32) / INTERP_TIME);
self.dist = f32::lerp(
self.dist,
self.tgt_dist,
(delta as f32) / self.interp_time(),
);
}
if (self.focus - self.tgt_focus).magnitude() > 0.01 {
self.focus = Vec3::lerp(self.focus, self.tgt_focus, (delta as f32) / INTERP_TIME);
self.focus = Vec3::lerp(
self.focus,
self.tgt_focus,
(delta as f32) / self.interp_time(),
);
}
}
pub fn interp_time(&self) -> f32 {
match self.mode {
CameraMode::FirstPerson => FIRST_PERSON_INTERP_TIME,
CameraMode::ThirdPerson => THIRD_PERSON_INTERP_TIME,
}
}