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make cloth shape and cry

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Raptorox 2025-05-22 10:41:38 +02:00
parent 2c457ae91f
commit 8c713df698
3 changed files with 51 additions and 20 deletions
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13
src/link.rs
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@ -21,9 +21,16 @@ impl Link {
let vec = self.p2.borrow().pos - self.p1.borrow().pos;
let vec_len = (vec.x*vec.x + vec.y*vec.y).sqrt();
let vec_norm = vec/vec_len;
let vec_scaled = vec_norm * (self.length-vec_len) * 99.;
self.p1.borrow_mut().apply_force(-vec_scaled);
self.p2.borrow_mut().apply_force(vec_scaled);
let max_stretch = 50.;
let clamped_len = vec_len.min(self.length + max_stretch);
let displacement = clamped_len - vec_len;
let stiffness = 99.;
let vec_scaled = vec_norm * displacement * stiffness;
let damping = 0.98;
self.p1.borrow_mut().apply_force(-vec_scaled * damping);
self.p2.borrow_mut().apply_force(vec_scaled * damping);
}
}