Enable setting of collision iterations in PhysicsServer2D

This allows fine-tuning of collision iterations for more
accurate collision physics with a performance cost.

5 files changed, 11 insertions, 0 deletions

diff --git a/servers/physics_2d/physics_server_2d_sw.cpp b/servers/physics_2d/physics_server_2d_sw.cpp
index 425546e5ca..1c2dca0259 100644
--- a/servers/physics_2d/physics_server_2d_sw.cpp
+++ b/servers/physics_2d/physics_server_2d_sw.cpp
@@ -1237,6 +1237,10 @@ void PhysicsServer2DSW::set_active(bool p_active) {
 	active = p_active;
 };
 
+void PhysicsServer2DSW::set_collision_iterations(int p_iterations) {
+	iterations = p_iterations;
+};
+
 void PhysicsServer2DSW::init() {
 	doing_sync = false;
 	last_step = 0.001;
diff --git a/servers/physics_2d/physics_server_2d_sw.h b/servers/physics_2d/physics_server_2d_sw.h
index efa0784245..f1eb78a776 100644
--- a/servers/physics_2d/physics_server_2d_sw.h
+++ b/servers/physics_2d/physics_server_2d_sw.h
@@ -288,6 +288,8 @@ public:
 	virtual void end_sync() override;
 	virtual void finish() override;
 
+	virtual void set_collision_iterations(int p_iterations) override;
+
 	virtual bool is_flushing_queries() const override { return flushing_queries; }
 
 	int get_process_info(ProcessInfo p_info) override;
diff --git a/servers/physics_2d/physics_server_2d_wrap_mt.h b/servers/physics_2d/physics_server_2d_wrap_mt.h
index 88ac742e40..c776641699 100644
--- a/servers/physics_2d/physics_server_2d_wrap_mt.h
+++ b/servers/physics_2d/physics_server_2d_wrap_mt.h
@@ -303,6 +303,7 @@ public:
 
 	FUNC1(free, RID);
 	FUNC1(set_active, bool);
+	FUNC1(set_collision_iterations, int);
 
 	virtual void init() override;
 	virtual void step(real_t p_step) override;
diff --git a/servers/physics_server_2d.cpp b/servers/physics_server_2d.cpp
index 384179f2c3..7c5761cc61 100644
--- a/servers/physics_server_2d.cpp
+++ b/servers/physics_server_2d.cpp
@@ -675,6 +675,8 @@ void PhysicsServer2D::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("set_active", "active"), &PhysicsServer2D::set_active);
 
+	ClassDB::bind_method(D_METHOD("set_collision_iterations", "iterations"), &PhysicsServer2D::set_collision_iterations);
+
 	ClassDB::bind_method(D_METHOD("get_process_info", "process_info"), &PhysicsServer2D::get_process_info);
 
 	BIND_ENUM_CONSTANT(SPACE_PARAM_CONTACT_RECYCLE_RADIUS);
diff --git a/servers/physics_server_2d.h b/servers/physics_server_2d.h
index a5cf3f3a46..f2836961f2 100644
--- a/servers/physics_server_2d.h
+++ b/servers/physics_server_2d.h
@@ -589,6 +589,8 @@ public:
 
 	virtual bool is_flushing_queries() const = 0;
 
+	virtual void set_collision_iterations(int iterations) = 0;
+
 	enum ProcessInfo {
 		INFO_ACTIVE_OBJECTS,
 		INFO_COLLISION_PAIRS,