50 lines
1.9 KiB
GDScript3
50 lines
1.9 KiB
GDScript3
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extends Label
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var touch_points = {} # array containing all points touched on the screen
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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") # point to godot standard font
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func _ready():
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set_process_unhandled_input(true) # process user input
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##########################################################################
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# draw fingers points on screen
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func _draw():
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var touch_positions = PoolVector2Array()
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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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touch_positions.push_back(point.position)
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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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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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set_fingers(len(touch_positions))
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##########################################################################
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func _input(event):
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if (event is InputEventScreenDrag):
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touch_points[event.index] = {pressed = true, position = event.position}
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if (event is InputEventScreenTouch):
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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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update()
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##########################################################################
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# write how many fingers are tapping the screen
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func set_fingers(value):
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fingers = value
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if fingers > 0:
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set_text(str(fingers))
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else:
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set_text("0")
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