Merge pull request #64924 from TokageItLab/2drot

Add linear/cubic angle interpolation to `Animation::InterpolationType` for shortest 2D rotation

1 files changed, 11 insertions, 0 deletions

diff --git a/core/variant/variant_utility.cpp b/core/variant/variant_utility.cpp
index 964150aa2d..1be17405c7 100644
--- a/core/variant/variant_utility.cpp
+++ b/core/variant/variant_utility.cpp
@@ -367,11 +367,20 @@ struct VariantUtilityFunctions {
 		return Math::cubic_interpolate(from, to, pre, post, weight);
 	}
 
+	static inline double cubic_interpolate_angle(double from, double to, double pre, double post, double weight) {
+		return Math::cubic_interpolate_angle(from, to, pre, post, weight);
+	}
+
 	static inline double cubic_interpolate_in_time(double from, double to, double pre, double post, double weight,
 			double to_t, double pre_t, double post_t) {
 		return Math::cubic_interpolate_in_time(from, to, pre, post, weight, to_t, pre_t, post_t);
 	}
 
+	static inline double cubic_interpolate_angle_in_time(double from, double to, double pre, double post, double weight,
+			double to_t, double pre_t, double post_t) {
+		return Math::cubic_interpolate_angle_in_time(from, to, pre, post, weight, to_t, pre_t, post_t);
+	}
+
 	static inline double bezier_interpolate(double p_start, double p_control_1, double p_control_2, double p_end, double p_t) {
 		return Math::bezier_interpolate(p_start, p_control_1, p_control_2, p_end, p_t);
 	}
@@ -1419,7 +1428,9 @@ void Variant::_register_variant_utility_functions() {
 	FUNCBINDVR3(lerp, sarray("from", "to", "weight"), Variant::UTILITY_FUNC_TYPE_MATH);
 	FUNCBINDR(lerpf, sarray("from", "to", "weight"), Variant::UTILITY_FUNC_TYPE_MATH);
 	FUNCBINDR(cubic_interpolate, sarray("from", "to", "pre", "post", "weight"), Variant::UTILITY_FUNC_TYPE_MATH);
+	FUNCBINDR(cubic_interpolate_angle, sarray("from", "to", "pre", "post", "weight"), Variant::UTILITY_FUNC_TYPE_MATH);
 	FUNCBINDR(cubic_interpolate_in_time, sarray("from", "to", "pre", "post", "weight", "to_t", "pre_t", "post_t"), Variant::UTILITY_FUNC_TYPE_MATH);
+	FUNCBINDR(cubic_interpolate_angle_in_time, sarray("from", "to", "pre", "post", "weight", "to_t", "pre_t", "post_t"), Variant::UTILITY_FUNC_TYPE_MATH);
 	FUNCBINDR(bezier_interpolate, sarray("start", "control_1", "control_2", "end", "t"), Variant::UTILITY_FUNC_TYPE_MATH);
 	FUNCBINDR(lerp_angle, sarray("from", "to", "weight"), Variant::UTILITY_FUNC_TYPE_MATH);
 	FUNCBINDR(inverse_lerp, sarray("from", "to", "weight"), Variant::UTILITY_FUNC_TYPE_MATH);