From 2ffc90d8b4d3f420e57adefbc880183ac0635a7e Mon Sep 17 00:00:00 2001
From: Biliogadafr <Biliogadafr@gmail.com>
Date: Sat, 10 Oct 2015 23:28:05 +0300
Subject: Expose softness parameter of pin joint to the editor.

---
 scene/2d/joints_2d.cpp | 28 +++++++++++++++++++++++++---
 scene/2d/joints_2d.h   |  6 +++++-
 2 files changed, 30 insertions(+), 4 deletions(-)

(limited to 'scene/2d')

diff --git a/scene/2d/joints_2d.cpp b/scene/2d/joints_2d.cpp
index c1e91c2ecd..1df936535f 100644
--- a/scene/2d/joints_2d.cpp
+++ b/scene/2d/joints_2d.cpp
@@ -126,7 +126,7 @@ void Joint2D::_bind_methods() {
 
 	ADD_PROPERTY( PropertyInfo( Variant::NODE_PATH, "node_a"), _SCS("set_node_a"),_SCS("get_node_a") );
 	ADD_PROPERTY( PropertyInfo( Variant::NODE_PATH, "node_b"), _SCS("set_node_b"),_SCS("get_node_b") );
-	ADD_PROPERTY( PropertyInfo( Variant::REAL, "bias/bias",PROPERTY_HINT_RANGE,"0,0.9,0.01"), _SCS("set_bias"),_SCS("get_bias") );
+	ADD_PROPERTY( PropertyInfo( Variant::REAL, "bias/bias",PROPERTY_HINT_RANGE,"0,0.9,0.001"), _SCS("set_bias"),_SCS("get_bias") );
 
 }
 
@@ -175,15 +175,37 @@ RID PinJoint2D::_configure_joint() {
 		//add a collision exception between both
 		Physics2DServer::get_singleton()->body_add_collision_exception(body_a->get_rid(),body_b->get_rid());
 	}
+	RID pj = Physics2DServer::get_singleton()->pin_joint_create(get_global_transform().get_origin(),body_a->get_rid(),body_b?body_b->get_rid():RID());
+	Physics2DServer::get_singleton()->pin_joint_set_param(pj, Physics2DServer::PIN_JOINT_SOFTNESS, softness);
+	return pj;
 
-	return Physics2DServer::get_singleton()->pin_joint_create(get_global_transform().get_origin(),body_a->get_rid(),body_b?body_b->get_rid():RID());
+}
+
+void PinJoint2D::set_softness(real_t p_softness) {
+
+	softness=p_softness;
+	update();
+	if (get_joint().is_valid())
+		Physics2DServer::get_singleton()->pin_joint_set_param(get_joint(), Physics2DServer::PIN_JOINT_SOFTNESS, p_softness);
 
 }
 
+real_t PinJoint2D::get_softness() const {
 
-PinJoint2D::PinJoint2D() {
+	return softness;
+}
+
+void PinJoint2D::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_softness","softness"), &PinJoint2D::set_softness);
+	ObjectTypeDB::bind_method(_MD("get_softness"), &PinJoint2D::get_softness);
 
+	ADD_PROPERTY( PropertyInfo( Variant::REAL, "softness", PROPERTY_HINT_EXP_RANGE,"0.00,16,0.01"), _SCS("set_softness"), _SCS("get_softness"));
+}
+
+PinJoint2D::PinJoint2D() {
 
+	softness = 0;
 }
 
 
diff --git a/scene/2d/joints_2d.h b/scene/2d/joints_2d.h
index ac72c6ce59..908e3a158e 100644
--- a/scene/2d/joints_2d.h
+++ b/scene/2d/joints_2d.h
@@ -72,13 +72,17 @@ class PinJoint2D : public Joint2D {
 
 	OBJ_TYPE(PinJoint2D,Joint2D);
 
+	real_t softness;
+
 protected:
 
 	void _notification(int p_what);
 	virtual RID _configure_joint();
+	static void _bind_methods();
 public:
 
-
+	void set_softness(real_t p_stiffness);
+	real_t get_softness() const;
 
 	PinJoint2D();
 };
-- 
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