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Work on hinges.

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This commit is contained in:
Rod Kay
2025-09-05 02:43:49 +10:00
parent 61d6e359ae
commit 7c3ba40482
22 changed files with 2106 additions and 2259 deletions
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113
3-mid/physics/implement/box2d/source/c/box2d-joint.cpp
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@@ -198,7 +198,7 @@ b2d_Joint_set_local_Anchor (Joint* Self, bool is_Anchor_A,
local_Anchor->y));
else
b2_revolute_Joint->GetLocalAnchorB() = (b2Vec2 (local_Anchor->x,
local_Anchor->y));
local_Anchor->y));
}
@@ -319,10 +319,32 @@ b2d_Joint_Velocity_is (Joint* Self, int DoF,
}
bool
b2d_Joint_collide_Connected (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
return b2_Joint->GetCollideConnected();
}
/// Hinge
//
bool
b2d_Joint_hinge_limit_Enabled (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
return b2_Hinge->IsLimitEnabled();
}
void
b2d_Joint_hinge_Limits_are (Joint* Self, Real Low,
Real High)
@@ -343,4 +365,93 @@ b2d_Joint_hinge_Limits_are (Joint* Self, Real Low,
}
Vector_3
b2d_Joint_hinge_local_Anchor_on_A (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
b2Vec2 Anchor = b2_Hinge->GetLocalAnchorA();
return {Anchor.x, Anchor.y, 0.0};
}
Vector_3
b2d_Joint_hinge_local_Anchor_on_B (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
b2Vec2 Anchor = b2_Hinge->GetLocalAnchorB();
return {Anchor.x, Anchor.y, 0.0};
}
Real
b2d_Joint_hinge_reference_Angle (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
return b2_Hinge->GetReferenceAngle();
}
Real
b2d_Joint_hinge_Angle (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
return b2_Hinge->GetJointAngle();
}
bool
b2d_Joint_hinge_motor_Enabled (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
return b2_Hinge->IsMotorEnabled();
}
Real
b2d_Joint_hinge_motor_Speed (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
return b2_Hinge->GetMotorSpeed();
}
Real
b2d_Joint_hinge_max_motor_Torque (Joint* Self)
{
b2JointDef* b2_Self = (b2JointDef*) Self;
b2Joint* b2_Joint = (b2Joint*) b2_Self->userData.pointer;
b2RevoluteJoint* b2_Hinge = dynamic_cast <b2RevoluteJoint*> (b2_Joint);
return b2_Hinge->GetMaxMotorTorque();
}
} // extern "C"