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-rw-r--r--scene/resources/animation.cpp66
1 files changed, 56 insertions, 10 deletions
diff --git a/scene/resources/animation.cpp b/scene/resources/animation.cpp
index 980968497d..4197251d7e 100644
--- a/scene/resources/animation.cpp
+++ b/scene/resources/animation.cpp
@@ -2323,7 +2323,20 @@ Variant Animation::_interpolate(const Variant &p_a, const Variant &p_b, real_t p
}
real_t Animation::_interpolate(const real_t &p_a, const real_t &p_b, real_t p_c) const {
- return p_a * (1.0 - p_c) + p_b * p_c;
+ return Math::lerp(p_a, p_b, p_c);
+}
+
+Variant Animation::_interpolate_angle(const Variant &p_a, const Variant &p_b, real_t p_c) const {
+ Variant::Type type_a = p_a.get_type();
+ Variant::Type type_b = p_b.get_type();
+ uint32_t vformat = 1 << type_a;
+ vformat |= 1 << type_b;
+ if (vformat == ((1 << Variant::INT) | (1 << Variant::FLOAT)) || vformat == (1 << Variant::FLOAT)) {
+ real_t a = p_a;
+ real_t b = p_b;
+ return Math::fposmod((float)Math::lerp_angle(a, b, p_c), (float)Math_TAU);
+ }
+ return _interpolate(p_a, p_b, p_c);
}
// Cubic interpolation for anytype.
@@ -2413,6 +2426,25 @@ Variant Animation::_cubic_interpolate_in_time(const Variant &p_pre_a, const Vari
}
real_t Animation::_cubic_interpolate_in_time(const real_t &p_pre_a, const real_t &p_a, const real_t &p_b, const real_t &p_post_b, real_t p_c, real_t p_pre_a_t, real_t p_b_t, real_t p_post_b_t) const {
+ return Math::cubic_interpolate_in_time(p_a, p_b, p_pre_a, p_post_b, p_c, p_b_t, p_pre_a_t, p_post_b_t);
+}
+
+Variant Animation::_cubic_interpolate_angle_in_time(const Variant &p_pre_a, const Variant &p_a, const Variant &p_b, const Variant &p_post_b, real_t p_c, real_t p_pre_a_t, real_t p_b_t, real_t p_post_b_t) const {
+ Variant::Type type_a = p_a.get_type();
+ Variant::Type type_b = p_b.get_type();
+ Variant::Type type_pa = p_pre_a.get_type();
+ Variant::Type type_pb = p_post_b.get_type();
+ uint32_t vformat = 1 << type_a;
+ vformat |= 1 << type_b;
+ vformat |= 1 << type_pa;
+ vformat |= 1 << type_pb;
+ if (vformat == ((1 << Variant::INT) | (1 << Variant::FLOAT)) || vformat == (1 << Variant::FLOAT)) {
+ real_t a = p_a;
+ real_t b = p_b;
+ real_t pa = p_pre_a;
+ real_t pb = p_post_b;
+ return Math::fposmod((float)Math::cubic_interpolate_angle_in_time(a, b, pa, pb, p_c, p_b_t, p_pre_a_t, p_post_b_t), (float)Math_TAU);
+ }
return _interpolate(p_a, p_b, p_c);
}
@@ -2595,7 +2627,11 @@ T Animation::_interpolate(const Vector<TKey<T>> &p_keys, double p_time, Interpol
case INTERPOLATION_LINEAR: {
return _interpolate(p_keys[idx].value, p_keys[next].value, c);
} break;
- case INTERPOLATION_CUBIC: {
+ case INTERPOLATION_LINEAR_ANGLE: {
+ return _interpolate_angle(p_keys[idx].value, p_keys[next].value, c);
+ } break;
+ case INTERPOLATION_CUBIC:
+ case INTERPOLATION_CUBIC_ANGLE: {
int pre = 0;
int post = 0;
if (!p_backward) {
@@ -2634,19 +2670,27 @@ T Animation::_interpolate(const Vector<TKey<T>> &p_keys, double p_time, Interpol
}
}
+ real_t pre_t = 0.0;
+ real_t to_t = 0.0;
+ real_t post_t = 0.0;
if (loop_mode == LOOP_LINEAR && p_loop_wrap) {
- return _cubic_interpolate_in_time(
- p_keys[pre].value, p_keys[idx].value, p_keys[next].value, p_keys[post].value, c,
- pre > idx ? -length + p_keys[pre].time - p_keys[idx].time : p_keys[pre].time - p_keys[idx].time,
- next < idx ? length + p_keys[next].time - p_keys[idx].time : p_keys[next].time - p_keys[idx].time,
- next < idx || post <= idx ? length + p_keys[post].time - p_keys[idx].time : p_keys[post].time - p_keys[idx].time);
+ pre_t = pre > idx ? -length + p_keys[pre].time - p_keys[idx].time : p_keys[pre].time - p_keys[idx].time;
+ to_t = next < idx ? length + p_keys[next].time - p_keys[idx].time : p_keys[next].time - p_keys[idx].time;
+ post_t = next < idx || post <= idx ? length + p_keys[post].time - p_keys[idx].time : p_keys[post].time - p_keys[idx].time;
+ } else {
+ pre_t = p_keys[pre].time - p_keys[idx].time;
+ to_t = p_keys[next].time - p_keys[idx].time;
+ post_t = p_keys[post].time - p_keys[idx].time;
}
+ if (p_interp == INTERPOLATION_CUBIC_ANGLE) {
+ return _cubic_interpolate_angle_in_time(
+ p_keys[pre].value, p_keys[idx].value, p_keys[next].value, p_keys[post].value, c,
+ pre_t, to_t, post_t);
+ }
return _cubic_interpolate_in_time(
p_keys[pre].value, p_keys[idx].value, p_keys[next].value, p_keys[post].value, c,
- p_keys[pre].time - p_keys[idx].time,
- p_keys[next].time - p_keys[idx].time,
- p_keys[post].time - p_keys[idx].time);
+ pre_t, to_t, post_t);
} break;
default:
return p_keys[idx].value;
@@ -3976,6 +4020,8 @@ void Animation::_bind_methods() {
BIND_ENUM_CONSTANT(INTERPOLATION_NEAREST);
BIND_ENUM_CONSTANT(INTERPOLATION_LINEAR);
BIND_ENUM_CONSTANT(INTERPOLATION_CUBIC);
+ BIND_ENUM_CONSTANT(INTERPOLATION_LINEAR_ANGLE);
+ BIND_ENUM_CONSTANT(INTERPOLATION_CUBIC_ANGLE);
BIND_ENUM_CONSTANT(UPDATE_CONTINUOUS);
BIND_ENUM_CONSTANT(UPDATE_DISCRETE);