1 files changed, 75 insertions, 7 deletions

diff --git a/core/variant_op.cpp b/core/variant_op.cpp
index 26851e4c23..f3c9bcaa7e 100644
--- a/core/variant_op.cpp
+++ b/core/variant_op.cpp
@@ -2781,7 +2781,8 @@ bool Variant::in(const Variant &p_index, bool *r_valid) const {
 				return false;
 			}
 		} break;
-		default: {}
+		default: {
+		}
 	}
 
 	if (r_valid)
@@ -2912,7 +2913,8 @@ void Variant::get_property_list(List<PropertyInfo> *p_list) const {
 
 			//nothing
 		} break;
-		default: {}
+		default: {
+		}
 	}
 }
 
@@ -3251,7 +3253,8 @@ bool Variant::iter_next(Variant &r_iter, bool &valid) const {
 			r_iter = idx;
 			return true;
 		} break;
-		default: {}
+		default: {
+		}
 	}
 
 	valid = false;
@@ -3408,7 +3411,8 @@ Variant Variant::iter_get(const Variant &r_iter, bool &r_valid) const {
 #endif
 			return arr->get(idx);
 		} break;
-		default: {}
+		default: {
+		}
 	}
 
 	r_valid = false;
@@ -3656,11 +3660,55 @@ void Variant::interpolate(const Variant &a, const Variant &b, float c, Variant &
 		}
 			return;
 		case POOL_INT_ARRAY: {
-			r_dst = a;
+			const PoolVector<int> *arr_a = reinterpret_cast<const PoolVector<int> *>(a._data._mem);
+			const PoolVector<int> *arr_b = reinterpret_cast<const PoolVector<int> *>(b._data._mem);
+			int sz = arr_a->size();
+			if (sz == 0 || arr_b->size() != sz) {
+
+				r_dst = a;
+			} else {
+
+				PoolVector<int> v;
+				v.resize(sz);
+				{
+					PoolVector<int>::Write vw = v.write();
+					PoolVector<int>::Read ar = arr_a->read();
+					PoolVector<int>::Read br = arr_b->read();
+
+					Variant va;
+					for (int i = 0; i < sz; i++) {
+						Variant::interpolate(ar[i], br[i], c, va);
+						vw[i] = va;
+					}
+				}
+				r_dst = v;
+			}
 		}
 			return;
 		case POOL_REAL_ARRAY: {
-			r_dst = a;
+			const PoolVector<real_t> *arr_a = reinterpret_cast<const PoolVector<real_t> *>(a._data._mem);
+			const PoolVector<real_t> *arr_b = reinterpret_cast<const PoolVector<real_t> *>(b._data._mem);
+			int sz = arr_a->size();
+			if (sz == 0 || arr_b->size() != sz) {
+
+				r_dst = a;
+			} else {
+
+				PoolVector<real_t> v;
+				v.resize(sz);
+				{
+					PoolVector<real_t>::Write vw = v.write();
+					PoolVector<real_t>::Read ar = arr_a->read();
+					PoolVector<real_t>::Read br = arr_b->read();
+
+					Variant va;
+					for (int i = 0; i < sz; i++) {
+						Variant::interpolate(ar[i], br[i], c, va);
+						vw[i] = va;
+					}
+				}
+				r_dst = v;
+			}
 		}
 			return;
 		case POOL_STRING_ARRAY: {
@@ -3717,7 +3765,27 @@ void Variant::interpolate(const Variant &a, const Variant &b, float c, Variant &
 		}
 			return;
 		case POOL_COLOR_ARRAY: {
-			r_dst = a;
+			const PoolVector<Color> *arr_a = reinterpret_cast<const PoolVector<Color> *>(a._data._mem);
+			const PoolVector<Color> *arr_b = reinterpret_cast<const PoolVector<Color> *>(b._data._mem);
+			int sz = arr_a->size();
+			if (sz == 0 || arr_b->size() != sz) {
+
+				r_dst = a;
+			} else {
+
+				PoolVector<Color> v;
+				v.resize(sz);
+				{
+					PoolVector<Color>::Write vw = v.write();
+					PoolVector<Color>::Read ar = arr_a->read();
+					PoolVector<Color>::Read br = arr_b->read();
+
+					for (int i = 0; i < sz; i++) {
+						vw[i] = ar[i].linear_interpolate(br[i], c);
+					}
+				}
+				r_dst = v;
+			}
 		}
 			return;
 		default: {