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Impl. walker bobbing head on idle

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This commit is contained in:
Stephen Seo 2023-08-11 12:14:48 +09:00
parent 0611be13f2
commit 270de09894
2 changed files with 29 additions and 2 deletions
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9
src/walker.cc
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@ -31,7 +31,8 @@ Walker::Walker(float body_height, float body_feet_radius, float feet_radius)
feet_radius(feet_radius),
lift_start_y(0.0F),
rotation(0.0F),
target_rotation(0.0F) {
target_rotation(0.0F),
body_idle_move_timer(0.0F) {
const Vector3 nw = Vector3Normalize(Vector3{-1.0F, 0.0F, -1.0F});
const Vector3 ne = Vector3Normalize(Vector3{1.0F, 0.0F, -1.0F});
const Vector3 sw = Vector3Normalize(Vector3{-1.0F, 0.0F, 1.0F});
@ -71,7 +72,11 @@ void Walker::draw(const Model &model) {
.boneCount = model.boneCount,
.bones = model.bones,
.bindPose = model.bindPose},
body_pos, 1.0F, WHITE);
Vector3{body_pos.x,
body_pos.y + BODY_IDLE_MOVE_AMOUNT *
std::sin(body_idle_move_timer + PI),
body_pos.z},
1.0F, WHITE);
// draw legs
DrawModel(Model{.transform = model.transform * rotationMatrix,

22
src/walker.h
View file

@ -23,6 +23,8 @@ constexpr float FEET_LIFT_SPEED = 5.5F;
constexpr float FEET_HORIZ_MOVE_SPEED = 8.0F;
constexpr float FEET_INIT_POS_VARIANCE_DIV = 3.0F;
constexpr float BODY_ROTATION_SPEED = 1.0F;
constexpr float BODY_IDLE_TIMER_RATE = 1.0F;
constexpr float BODY_IDLE_MOVE_AMOUNT = 0.2F;
class Walker {
public:
@ -64,6 +66,7 @@ class Walker {
float lift_start_y;
float rotation;
float target_rotation;
float body_idle_move_timer;
};
template <typename TBBS>
@ -251,6 +254,25 @@ void Walker::update(float dt, const TBBS &bbs, unsigned int width,
update_leg_fn(target_leg_sw, leg_sw, sw_flags,
((nw_flags & 7) == 1 ? 1 : 0) + ((ne_flags & 7) == 1 ? 1 : 0) +
((se_flags & 7) == 1 ? 1 : 0));
if ((flags & 3) == 0) {
body_idle_move_timer += dt * BODY_IDLE_TIMER_RATE;
if (body_idle_move_timer > PI * 2.0F) {
body_idle_move_timer -= PI * 2.0F;
}
} else if (!FloatEquals(body_idle_move_timer, 0.0F)) {
if (body_idle_move_timer < PI) {
body_idle_move_timer += dt * BODY_IDLE_TIMER_RATE;
if (body_idle_move_timer > PI) {
body_idle_move_timer = 0;
}
} else {
body_idle_move_timer += dt * BODY_IDLE_TIMER_RATE;
if (body_idle_move_timer > PI * 2.0F) {
body_idle_move_timer = 0.0F;
}
}
}
}
#endif