vendor:box2d add targetAngle to RevoluteJoint struct/procs

vendor/box2d/box2d.odin

@@ -1562,6 +1562,12 @@ foreign lib {
 	// Get the revolute joint spring damping ratio, non-dimensional
 	RevoluteJoint_GetSpringDampingRatio :: proc(jointId: JointId) -> f32 ---
 
+	// Set the revolute joint spring target angle, radians
+	RevoluteJoint_SetTargetAngle        :: proc(jointId: JointId, angle: f32) ---
+
+	// Get the revolute joint spring target angle, radians
+	RevoluteJoint_GetTargetAngle        :: proc(jointId: JointId) -> f32 ---
+
 	// Get the revolute joint current angle in radians relative to the reference angle
 	//	@see b2RevoluteJointDef::referenceAngle
 	RevoluteJoint_GetAngle              :: proc(jointId: JointId) -> f32 ---

vendor/box2d/types.odin

@@ -727,6 +727,10 @@ RevoluteJointDef :: struct {
 	// This defines the zero angle for the joint limit.
 	referenceAngle: f32,
 
+	// The target angle for the joint in radians. The spring-damper will drive
+	// to this angle.
+	targetAngle: f32,
+
 	// Enable a rotational spring on the revolute hinge axis
 	enableSpring: bool,