91 lines
2.7 KiB
GDScript
91 lines
2.7 KiB
GDScript
extends RigidBody2D
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var held = false
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var grabbed_vector = null
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onready var beltmap = $"../BeltTiles"
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var dir_vectors = [Vector2(1,0), Vector2(0,-1), Vector2(-1,0), Vector2(0,1)]
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export var rungs := 12
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export var cx := 2.5 # offset for edge feet
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export var cy := 5.0 # offset for edge feet
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#onready var foot_vectors = [Vector2(0,0), Vector2(cx,cy), Vector2(cx,-cy), Vector2(-cx,-cy), Vector2(-cx,cy)]
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var foot_vectors
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#var foot_weights = [3, 1, 1, 1, 1]
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var total_weight = 7
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func _ready():
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# friction = 1
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linear_damp = 2
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angular_damp = 100
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total_weight = 1 + rungs*4
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foot_vectors = [Vector2(0, 0)]
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for i in rungs:
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foot_vectors.append(Vector2(cx*(i+1), cy))
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foot_vectors.append(Vector2(-cx*(i+1), cy))
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foot_vectors.append(Vector2(cx*(i+1), -cy))
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foot_vectors.append(Vector2(-cx*(i+1), -cy))
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func get_belt_direction(tx, ty):
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var xflip = beltmap.is_cell_x_flipped(tx, ty)
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var tp = beltmap.is_cell_transposed(tx, ty)
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return int(tp) + int(xflip)*2
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func get_belt_rect(vec):
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var origin = beltmap.map_to_world(vec)
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return Rect2(to_local(origin), Vector2(8, 8))
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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#func _process(delta):
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# var belt_speed = delta * 8
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func _physics_process(delta):
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var belt_speed = 8 * 64
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var direction = Vector2(0, 0)
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set_applied_force(Vector2(0,0))
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set_applied_torque(0)
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angular_velocity = 0
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var friction_points = []
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for i in len(foot_vectors):
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var vec = beltmap.world_to_map(position + foot_vectors[i].rotated(rotation))
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if beltmap.get_cell(vec.x, vec.y) >= 0:
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add_force(vec - position, belt_speed*dir_vectors[get_belt_direction(vec.x, vec.y)]/total_weight)
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#direction += dir_vectors[get_belt_direction(vec.x, vec.y)] * foot_weights[i]
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else:
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friction_points.append(vec - position)
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# position += direction/total_weight * belt_speed
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if held:
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var ggv = to_global(grabbed_vector)
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var dv = get_global_mouse_position() - ggv
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add_force(grabbed_vector, dv * dv.length()*linear_damp)
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var f = get_applied_force() + linear_velocity*mass
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var fn = f.normalized()
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var fmag = f.length()
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var f_max = 200
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for p in friction_points:
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add_force(p, -fn * min(f_max, fmag/total_weight))
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#func _input_event(_viewport, event, _shape_idx):
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# if event is InputEventMouseButton:
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# held = event.pressed
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# if held:
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# grabbed_vector = to_local(event.position)
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func _input(event):
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if held:
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if event is InputEventMouseButton:
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if not event.pressed:
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held = false
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# elif event is InputEventMouseMotion:
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## position += event.relative
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# apply_impulse(grabbed_vector, event.relative * friction)
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elif event is InputEventMouseButton and event.pressed:
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if $SprLadder6.get_rect().has_point(to_local(event.position)):
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held = true
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grabbed_vector = to_local(event.position)
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