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Fixed bug in physics simulator

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Андреев Григорий 2026-02-16 00:13:11 +03:00
parent a8ad12a9e7
commit 360b8410a6
1 changed files with 1 additions and 9 deletions
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10
src/l3/r4/r4.c
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@ -129,16 +129,8 @@ void physics_update(R4BetaState* st, float t){
* m2 is the mass of bullet. `v` is the speed of bullet */
void RigidBodyState_when_shot(RigidBodyState* self, vec3 imp, float m2, vec3 v){
vec3 IO = vec3_minus(imp);
float IO_norm_sq = vec3_dot(IO, IO);
vec3 linear_speed_gain;
if (IO_norm_sq < 0.00001f) {
linear_speed_gain = v;
} else {
vec3 v_projected = vec3_mul_scal(IO, vec3_dot(IO, v) / IO_norm_sq);
linear_speed_gain = vec3_mul_scal(v_projected, m2 / self->p.mass);
}
self->speed = vec3_add_vec3(self->speed, linear_speed_gain);
self->speed = vec3_add_vec3(self->speed, vec3_mul_scal(v, m2 / self->p.mass));
vec3 www = vec3_mul_scal(vec3_cross(v, IO), m2);