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47 lines
1.6 KiB
GDScript
47 lines
1.6 KiB
GDScript
extends ColorRect
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func _ready() -> void:
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update_rect()
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func update_rect() -> void:
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rect_size = Global.current_project.size
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if self == Global.transparent_checker:
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fit_rect(Global.current_project.get_tile_mode_rect())
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Global.second_viewport.get_node("Viewport/TransparentChecker").update_rect()
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Global.small_preview_viewport.get_node("Viewport/TransparentChecker").update_rect()
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material.set_shader_param("size", Global.checker_size)
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material.set_shader_param("color1", Global.checker_color_1)
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material.set_shader_param("color2", Global.checker_color_2)
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material.set_shader_param("follow_movement", Global.checker_follow_movement)
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material.set_shader_param("follow_scale", Global.checker_follow_scale)
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func update_offset(offset: Vector2, scale: Vector2) -> void:
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material.set_shader_param("offset", offset)
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material.set_shader_param("scale", scale)
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func _on_TransparentChecker_resized() -> void:
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material.set_shader_param("rect_size", rect_size)
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func fit_rect(rect: Rect2) -> void:
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rect_position = rect.position
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rect_size = rect.size
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func transparency(value: float) -> void:
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# first make viewport transparent then background and then viewport
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if value == 1.0:
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get_parent().transparent_bg = false
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get_tree().get_root().set_transparent_background(false)
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else:
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get_parent().transparent_bg = true
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get_tree().get_root().set_transparent_background(true)
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# this controls opacity 0 for transparent, 1 or a greater value than 1 is opaque
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# i have set a minimum amount for the fade (We would'nt want the canvas to dissapear now would we?)
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material.set("shader_param/alpha", clamp(value, 0.1, 1))
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