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SITL: add reverse thrust to Plane Sim

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This commit is contained in:
Tom Pittenger 2016-01-30 00:40:45 -08:00 committed by Andrew Tridgell
parent 1f714ed75d
commit f20841f491
2 changed files with 13 additions and 2 deletions
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14
libraries/SITL/SIM_Plane.cpp
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@ -35,6 +35,10 @@ Plane::Plane(const char *home_str, const char *frame_str) :
*/ */
thrust_scale = (mass * GRAVITY_MSS) / hover_throttle; thrust_scale = (mass * GRAVITY_MSS) / hover_throttle;
frame_height = 0.1f; frame_height = 0.1f;
if (strstr(frame_str, "-revthrust")) {
reverse_thrust = true;
}
} }
/* /*
@ -190,7 +194,13 @@ void Plane::calculate_forces(const struct sitl_input &input, Vector3f &rot_accel
float aileron = (input.servos[0]-1500)/500.0f; float aileron = (input.servos[0]-1500)/500.0f;
float elevator = (input.servos[1]-1500)/500.0f; float elevator = (input.servos[1]-1500)/500.0f;
float rudder = (input.servos[3]-1500)/500.0f; float rudder = (input.servos[3]-1500)/500.0f;
float throttle = constrain_float((input.servos[2]-1000)/1000.0f, 0, 1); float throttle;
if (reverse_thrust) {
throttle = constrain_float((input.servos[2]-1500)/500.0f, -1, 1);
} else {
throttle = constrain_float((input.servos[2]-1000)/1000.0f, 0, 1);
}
float thrust = throttle; float thrust = throttle;
@ -211,7 +221,7 @@ void Plane::calculate_forces(const struct sitl_input &input, Vector3f &rot_accel
accel_body += force; accel_body += force;
// add some noise // add some noise
add_noise(thrust / thrust_scale); add_noise(fabsf(thrust) / thrust_scale);
} }
/* /*

1
libraries/SITL/SIM_Plane.h
View File

@ -92,6 +92,7 @@ protected:
} coefficient; } coefficient;
float thrust_scale; float thrust_scale;
bool reverse_thrust;
float liftCoeff(float alpha) const; float liftCoeff(float alpha) const;
float dragCoeff(float alpha) const; float dragCoeff(float alpha) const;