77 lines
2.7 KiB
GDScript3
77 lines
2.7 KiB
GDScript3
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extends Control
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var touch_points = {} # dict containing all points touched on the screen
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var touch_positions = [] # array of above
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signal touch_positions_updated(positions)
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var fingers = 0 setget set_fingers # setter for show fingers number on screen
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var txt_ball = preload('res://assets/ball.png') # preload our ball texture
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var default_font = preload('res://assets/NotoSans.tres')
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var swipe_momentum := Vector2.ZERO
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func _ready():
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Input.set_use_accumulated_input(false) # Gotta go fast
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set_process_unhandled_input(true) # process user input
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set_fingers(0)
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# connect('button_pressed', self, 'print_pressed')
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func print_pressed(col: int):
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print('Pressed %d'%col)
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func _draw(): # draw fingers points on screen
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# var swipe_origin = Vector2(300, 540)
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# draw_line(swipe_origin, swipe_origin+swipe_momentum, Color.red)
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# draw points
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for i in touch_points:
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var point = touch_points[i]
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# if point.pressed:
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# DRAW POINTS ################################################
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draw_texture(txt_ball, point.position - Vector2(24, 24))
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# draw_string(default_font, point.position - Vector2(24, 24), str(i))
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# draw_string(default_font, point.position + Vector2(-24, 48), str(point.position))
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# if len(touch_positions) > 1:
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# for i in range(len(touch_positions)-1):
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# # Draw line
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# draw_line(touch_positions[i], touch_positions[i+1], Color(1,1,1,1))
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func _process(delta):
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swipe_momentum *= max(1.0 - 5.0*delta, 0)
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if swipe_momentum.length_squared() < 1.0:
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swipe_momentum = Vector2.ZERO
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update()
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func update_data():
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touch_positions.clear()
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for i in touch_points:
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touch_positions.push_back(touch_points[i].position) # - rect_size/2)
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emit_signal('touch_positions_updated', touch_positions)
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set_fingers(len(touch_positions))
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update()
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##########################################################################
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func _input(event):
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# Unfortunately event.device does NOT differentiate touchscreen inputs on X11, Godot v3.1.1
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# As such, we'll need to do some fancy mapping for multiple inputs
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if (event is InputEventScreenDrag):
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Input.set_mouse_mode(Input.MOUSE_MODE_HIDDEN)
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touch_points[event.index] = {pressed = true, position = event.position}
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swipe_momentum = event.speed
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elif (event is InputEventScreenTouch):
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Input.set_mouse_mode(Input.MOUSE_MODE_HIDDEN)
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if event.pressed:
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if not touch_points.has(event.index):
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touch_points[event.index] = {}
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touch_points[event.index].position = event.position # update position
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# touch_points[event.index].pressed = event.pressed # update "pressed" flag
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else:
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if touch_points.has(event.index):
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touch_points.erase(event.index)
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elif (event is InputEventMouse):
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Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
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update_data()
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func set_fingers(value):
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fingers = max(value, 0)
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