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Branch: 2.0
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godot
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demos
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3d
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truck_town
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vehicle.gd

vehicle.gd 891 B
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  1. 

  2. extends VehicleBody
    3. 

  3. 

  4. # Member variables
    5. 

  5. const STEER_SPEED = 1
    6. 

  6. const STEER_LIMIT = 0.4
    7. 

  7. 

  8. var steer_angle = 0
    9. 

  9. var steer_target = 0
    10. 

  10. 

  11. export var engine_force = 40
    12. 

  12. 

  13. 

  14. func _fixed_process(delta):
    15. 

  15. 	if (Input.is_action_pressed("ui_left")):
    16. 

  16. 		steer_target = -STEER_LIMIT
    17. 

  17. 	elif (Input.is_action_pressed("ui_right")):
    18. 

  18. 		steer_target = STEER_LIMIT
    19. 

  19. 	else:
    20. 

  20. 		steer_target = 0
    21. 

  21. 	
    22. 

  22. 	if (Input.is_action_pressed("ui_up")):
    23. 

  23. 		set_engine_force(engine_force)
    24. 

  24. 	else:
    25. 

  25. 		set_engine_force(0)
    26. 

  26. 	
    27. 

  27. 	if (Input.is_action_pressed("ui_down")):
    28. 

  28. 		set_brake(1)
    29. 

  29. 	else:
    30. 

  30. 		set_brake(0.0)
    31. 

  31. 	
    32. 

  32. 	if (steer_target < steer_angle):
    33. 

  33. 		steer_angle -= STEER_SPEED*delta
    34. 

  34. 		if (steer_target > steer_angle):
    35. 

  35. 			steer_angle = steer_target
    36. 

  36. 	elif (steer_target > steer_angle):
    37. 

  37. 		steer_angle += STEER_SPEED*delta
    38. 

  38. 		if (steer_target < steer_angle):
    39. 

  39. 			steer_angle = steer_target
    40. 

  40. 	
    41. 

  41. 	set_steering(steer_angle)
    42. 

  42. 

  43. 

  44. func _ready():
    45. 

  45. 	set_fixed_process(true)
    46. 

  46.