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implement simulate_move_rotation

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Quaternions 2023-10-16 23:20:38 -07:00
parent 586bf8ce89
commit 35bfd1d366
2 changed files with 25 additions and 0 deletions
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17
src/integer.rs
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@ -808,6 +808,23 @@ impl Planar64Mat3{
} }
} }
#[inline] #[inline]
pub fn from_rotation_yx(yaw:Angle32,pitch:Angle32)->Self{
let xtheta=yaw.0 as f64*ANGLE32_TO_FLOAT64_RADIANS;
let (xs,xc)=xtheta.sin_cos();
let (xc,xs)=(xc*PLANAR64_ONE_FLOAT64,xs*PLANAR64_ONE_FLOAT64);
let ytheta=pitch.0 as f64*ANGLE32_TO_FLOAT64_RADIANS;
let (ys,yc)=ytheta.sin_cos();
let (yc,ys)=(yc*PLANAR64_ONE_FLOAT64,ys*PLANAR64_ONE_FLOAT64);
//TODO: fix this rounding towards 0
let (xc,xs):(i64,i64)=(unsafe{xc.to_int_unchecked()},unsafe{xs.to_int_unchecked()});
let (yc,ys):(i64,i64)=(unsafe{yc.to_int_unchecked()},unsafe{ys.to_int_unchecked()});
Self::from_cols(
Planar64Vec3(glam::i64vec3(xc,0,-xs)),
Planar64Vec3(glam::i64vec3(((xs as i128*ys as i128)>>32) as i64,yc,((xc as i128*ys as i128)>>32) as i64)),
Planar64Vec3(glam::i64vec3(((xs as i128*yc as i128)>>32) as i64,-ys,((xc as i128*yc as i128)>>32) as i64)),
)
}
#[inline]
pub fn from_rotation_y(angle:Angle32)->Self{ pub fn from_rotation_y(angle:Angle32)->Self{
let theta=angle.0 as f64*ANGLE32_TO_FLOAT64_RADIANS; let theta=angle.0 as f64*ANGLE32_TO_FLOAT64_RADIANS;
let (s,c)=theta.sin_cos(); let (s,c)=theta.sin_cos();

8
src/physics.rs
View File

@ -176,6 +176,14 @@ impl PhysicsCamera {
.clamp(self.angle_pitch_lower_limit,self.angle_pitch_upper_limit); .clamp(self.angle_pitch_lower_limit,self.angle_pitch_upper_limit);
return glam::vec2(ax.into(),ay.into()); return glam::vec2(ax.into(),ay.into());
} }
fn simulate_move_rotation(&self,mouse_pos:glam::IVec2)->Planar64Mat3{
let a=-self.sensitivity.mul_int((mouse_pos-self.mouse.pos+self.clamped_mouse_pos).as_i64vec2());
let ax=Angle32::wrap_from_i64(a.x);
let ay=Angle32::clamp_from_i64(a.y)
//clamp to actual vertical cam limit
.clamp(self.angle_pitch_lower_limit,self.angle_pitch_upper_limit);
Planar64Mat3::from_rotation_yx(ax,ay)
}
fn simulate_move_rotation_y(&self,mouse_pos_x:i32)->Planar64Mat3{ fn simulate_move_rotation_y(&self,mouse_pos_x:i32)->Planar64Mat3{
let ax=-self.sensitivity.x.mul_int((mouse_pos_x-self.mouse.pos.x+self.clamped_mouse_pos.x) as i64); let ax=-self.sensitivity.x.mul_int((mouse_pos_x-self.mouse.pos.x+self.clamped_mouse_pos.x) as i64);
Planar64Mat3::from_rotation_y(Angle32::wrap_from_i64(ax)) Planar64Mat3::from_rotation_y(Angle32::wrap_from_i64(ax))