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Apply gel hinge joint limits when appropriate.

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This commit is contained in:
Rod Kay
2025-08-04 14:34:12 +10:00
parent 59d478511e
commit 61d6e359ae
7 changed files with 77 additions and 60 deletions
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62
3-mid/physics/implement/box2d/source/c/box2d-joint.cpp
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@@ -35,17 +35,15 @@ extern "C"
/// Forge
//
Joint*
b2d_new_hinge_Joint_with_local_anchors
(Space* in_Space,
Object* Object_A,
Object* Object_B,
Vector_3* Anchor_in_A,
Vector_3* Anchor_in_B,
float low_Limit,
float high_Limit,
bool collide_Connected)
Joint *
b2d_new_hinge_Joint_with_local_anchors (Space *in_Space,
Object *Object_A,
Object *Object_B,
Vector_3 *Anchor_in_A,
Vector_3 *Anchor_in_B,
float low_Limit,
float high_Limit,
bool collide_Connected)
{
b2RevoluteJointDef* Self = new b2RevoluteJointDef();
@@ -54,10 +52,10 @@ b2d_new_hinge_Joint_with_local_anchors
Self->bodyB = (b2Body*) Object_B; // The actual b2Body will be substituted when the joint is added to the world.
Self->localAnchorA = b2Vec2 (Anchor_in_A->x,
Anchor_in_A->y);
Anchor_in_A->y);
Self->localAnchorB = b2Vec2 (Anchor_in_B->x,
Anchor_in_B->y);
Anchor_in_B->y);
Self->lowerAngle = low_Limit;
Self->upperAngle = high_Limit;
@@ -70,15 +68,15 @@ b2d_new_hinge_Joint_with_local_anchors
Joint*
b2d_new_hinge_Joint (Space* in_Space,
Object* Object_A,
Object* Object_B,
Matrix_4x4* Frame_A,
Matrix_4x4* Frame_B,
float low_Limit,
float high_Limit,
bool collide_Connected)
Joint *
b2d_new_hinge_Joint (Space *in_Space,
Object *Object_A,
Object *Object_B,
Matrix_4x4 *Frame_A,
Matrix_4x4 *Frame_B,
float low_Limit,
float high_Limit,
bool collide_Connected)
{
b2RevoluteJointDef* Self = new b2RevoluteJointDef();
@@ -99,10 +97,26 @@ b2d_new_hinge_Joint (Space* in_Space,
Joint*
b2d_new_space_hinge_Joint (Object* Object_A,
b2d_new_space_hinge_Joint (Space* in_Space,
Object* Object_A,
Matrix_4x4* Frame_A)
{
return 0;
b2RevoluteJointDef* Self = new b2RevoluteJointDef();
b2World* World = (b2World*) in_Space;
b2BodyDef groundDef;
b2Body* Ground = World->CreateBody (&groundDef);
Vector_2 ground_Site = Vector_2 (0.0, 0.0);
// Object* Object_B = b2d_new_Object (&ground_Site,
// 0.0,
// 0.0,
// 0.0,
// b2d_new_Circle (0.1));
Self->bodyA = (b2Body*) Object_A;
Self->bodyB = Ground; // (b2Body*) Object_B;
return (Joint*) dynamic_cast <b2JointDef*> (Self);
}