111 lines
2.3 KiB
GDScript3
111 lines
2.3 KiB
GDScript3
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extends Navigation
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# member variables here, example:
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# var a=2
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# var b="textvar"
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const SPEED=4.0
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var camrot=0.0
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var begin=Vector3()
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var end=Vector3()
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var m = FixedMaterial.new()
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var path=[]
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func _process(delta):
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if (path.size()>1):
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var to_walk = delta*SPEED
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var to_watch = Vector3(0,1,0)
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while(to_walk>0 and path.size()>=2):
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var pfrom = path[path.size()-1]
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var pto = path[path.size()-2]
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to_watch = (pto - pfrom).normalized()
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var d = pfrom.distance_to(pto)
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if (d<=to_walk):
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path.remove(path.size()-1)
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to_walk-=d
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else:
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path[path.size()-1] = pfrom.linear_interpolate(pto,to_walk/d)
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to_walk=0
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var atpos = path[path.size()-1]
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var atdir = to_watch
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atdir.y=0
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var t = Transform()
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t.origin=atpos
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t=t.looking_at(atpos+atdir,Vector3(0,1,0))
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get_node("robot_base").set_transform(t)
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if (path.size()<2):
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path=[]
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set_process(false)
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else:
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set_process(false)
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var draw_path=false
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func _update_path():
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var p = get_simple_path(begin,end,true)
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path=Array(p) # Vector3array to complex to use, convert to regular array
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path.invert()
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set_process(true)
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if (draw_path):
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var im = get_node("draw")
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im.set_material_override(m)
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im.clear()
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im.begin(Mesh.PRIMITIVE_POINTS,null)
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im.add_vertex(begin)
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im.add_vertex(end)
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im.end()
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im.begin(Mesh.PRIMITIVE_LINE_STRIP,null)
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for x in p:
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im.add_vertex(x)
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im.end()
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func _input(ev):
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if (ev.type==InputEvent.MOUSE_BUTTON and ev.button_index==BUTTON_LEFT and ev.pressed):
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var from = get_node("cambase/Camera").project_position(ev.pos)
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var to = from+get_node("cambase/Camera").project_ray_normal(ev.pos)*100
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var p = get_closest_point_to_segment(from,to)
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begin=get_closest_point(get_node("robot_base").get_translation())
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end=p
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_update_path()
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if (ev.type==InputEvent.MOUSE_MOTION):
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if (ev.button_mask&BUTTON_MASK_MIDDLE):
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camrot+=ev.relative_x*0.005
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get_node("cambase").set_rotation(Vector3(0,camrot,0))
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print("camrot ", camrot)
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func _ready():
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# Initalization here
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set_process_input(true)
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m.set_line_width(3)
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m.set_point_size(3)
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m.set_fixed_flag(FixedMaterial.FLAG_USE_POINT_SIZE,true)
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m.set_flag(Material.FLAG_UNSHADED,true)
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#begin = get_closest_point(get_node("start").get_translation())
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#end = get_closest_point(get_node("end").get_translation())
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#call_deferred("_update_path")
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pass
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