zhenyan121/Cubed
1
0
Fork 0
mirror of https://github.com/zhenyan121/Cubed.git synced 2026-08-08 17:57:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

feat(creatures): refine pig movement physics

Browse Source 
Add movement constants for pigs and switch deceleration to per-axis friction so creatures stop naturally. Extend wander boost duration for smoother behavior.
This commit is contained in:
zhenyan121
2026-08-02 16:36:56 +08:00
parent 9bb1882d92
commit 5980400e2e
6 changed files with 35 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
src/gameplay/systems/speed_system.cpp
View File

@@ -10,31 +10,31 @@ void SpeedSystem::update(float dt, entt::registry& registry) {
for (auto e : view) {
auto [creature, moveboost] = view.get<BaseServerCreature, MoveBoost>(e);
auto& v = creature.velocity.value;
if (moveboost.count <= moveboost.duration) {
++moveboost.count;
creature.velocity.value +=
creature.direction.value * creature.movement.acceleration;
} else if (glm::dot(creature.velocity.value, creature.velocity.value) >=
0.001f) {
creature.velocity.value -=
creature.direction.value * creature.movement.deceleration;
v += creature.direction.value * creature.movement.acceleration;
} else {
creature.velocity.value = glm::vec3(0.0f);
// Decelerated by friction in all directions
auto decay = [](float& c, float d) {
if (c > 0.0f)
c = std::max(0.0f, c - d);
else if (c < 0.0f)
c = std::min(0.0f, c + d);
};
decay(v.x, creature.movement.deceleration);
decay(v.z, creature.movement.deceleration);
}
creature.velocity.value.y += -creature.gravity.value * dt;
auto v_clamp = [](float& v, float max) {
v.y += -creature.gravity.value * dt;
auto v_clamp = [](float& c, float max) {
if (max < 0.0f) {
return;
}
auto sign = v < 0.0f ? -1.0f : 1.0f;
v = sign * std::clamp(std::abs(v), 0.0f, max);
if (v < 0.0f) {
v = 0.0f;
return; //-1 = unlimited
}
c = std::clamp(c, -max, max);
};
v_clamp(creature.velocity.value.x, creature.velocity.max.x);
v_clamp(creature.velocity.value.y, creature.velocity.max.y);
v_clamp(creature.velocity.value.z, creature.velocity.max.z);
v_clamp(v.x, creature.velocity.max.x);
v_clamp(v.y, creature.velocity.max.y);
v_clamp(v.z, creature.velocity.max.z);
}
}