82 lines
3.1 KiB
Plaintext
82 lines
3.1 KiB
Plaintext
@LAZYGLOBAL OFF.
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// Define actual_prograde, which automatically switches from SHIP:SRFPROGRADE to SHIP:PROGRADE
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local function set_actual_prograde {
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if NAVMODE = "SURFACE" {
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print "Switched actual_prograde to surface SRFPROGRADE".
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lock actual_prograde to SHIP:srfprograde.
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} else {
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print "Switched actual_prograde to orbit PROGRADE".
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lock actual_prograde to SHIP:prograde.
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}
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return true. // preserve trigger
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}
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on NAVMODE {return set_actual_prograde().}
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set_actual_prograde().
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function vdraw {
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//
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// Wrapper for the VECDRAW-function that doesn't hide the vector by default.
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//
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parameter start is V(0,0,0). // vector or function. For example, pass {return UP:vector.} to automatically update the draw
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parameter vector is V(0,0,0). // same as start
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parameter color is RED.
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parameter label is "".
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parameter show is true.
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parameter scale is 1.0.
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parameter width is 0.2.
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return vecdraw(
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start,
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vector,
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color,
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label,
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scale,
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show,
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width
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).
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}
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function ship_raw_to_ship_control {
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//
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// Translate a vector in SHIP-RAW coordinates to one in SHIP-CONTROL (STARBOARD, TOP, FORE) coordinates.
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//
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parameter vec.
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return V(vdot(vec, FACING:starvector), // projection is correct because SHIP's FACING vectors are normalised
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vdot(vec, FACING:topvector),
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vdot(vec, FACING:forevector)). // Same order as SHIP:CONTROL:TRANSLATION's input
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}
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// ANGLES
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lock actual_prograde_pitch to vang(actual_prograde:vector, UP:vector).
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// // the following are all vectors, mainly for use in the roll, pitch, and angle of attack calculations
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// lock rightrotation to ship:facing*r(0,90,0).
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// lock right to rightrotation:vector. //right and left are directly along wings
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// lock left to (-1)*right.
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// lock up to ship:up:vector. //up and down are skyward and groundward
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// lock down to (-1)*up.
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// lock fore to ship:facing:vector. //fore and aft point to the nose and tail
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// lock aft to (-1)*fore.
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// lock righthor to vcrs(up,fore). //right and left horizons
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// lock lefthor to (-1)*righthor.
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// lock forehor to vcrs(righthor,up). //forward and backward horizons
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// lock afthor to (-1)*forehor.
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// lock top to vcrs(fore,right). //above the cockpit, through the floor
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// lock bottom to (-1)*top.
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// // the following are all angles, useful for control programs
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// lock absaoa to vang(fore,srfprograde:vector). //absolute angle of attack
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// lock aoa to vang(top,srfprograde:vector)-90. //pitch component of angle of attack
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// lock sideslip to vang(right,srfprograde:vector)-90. //yaw component of aoa
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// lock rollangle to vang(right,righthor)*((90-vang(top,righthor))/abs(90-vang(top,righthor))). //roll angle, 0 at level flight
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// lock pitchangle to vang(fore,forehor)*((90-vang(fore,up))/abs(90-vang(fore,up))). //pitch angle, 0 at level flight
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// lock glideslope to vang(srfprograde:vector,forehor)*((90-vang(srfprograde:vector,up))/abs(90-vang(srfprograde:vector,up))).
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// lock ascentangle to vang(srfprograde:vector, forehor). //angle of surface prograde above horizon
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