3475156ae3
This small in-engine documentation change aims to make it easier to discover ways to handle pixel art aesthetics. - I have moved 2D pixel snapping settings out of "Advanced." This now matches other pixel-art-friendly settings for GUI Snapping and Default Texture filtering. - I've added notes to the project settings and Sprite/AnimatedSprite sources to hint users towards better understanding of why pixelated sprites may not work correctly and what to do about it. This should help users make informed decisions for their needs. Context: Proper handling of pixel art in Godot is routinely frustrating for new users: I, like others, assumed that Godot would act on pixels, not subpixels, when I was working a pixel art game. I was confused when my interpolations would appear blurry, and when pixel textures would be distorted for no apparent reason (this was because of centering). I had naively thought that setting Linear interpolation would be the single "it's a pixel art game" toggle, but that only hid the underlying issues until later. I had no idea there was a snap-to-pixel option because it was hidden in the Advanced options, since my default assumption was that a pixel art game would want no subpixels at all. Some references for the frustration: - https://github.com/godotengine/godot/issues/82696 - https://www.reddit.com/r/godot/comments/fah25e/best_way_to_achieve_pixel_perfect_rendering/ - https://shaggydev.com/2021/09/21/project-setup-for-pixel-art/
103 lines
5.5 KiB
XML
103 lines
5.5 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="Sprite2D" inherits="Node2D" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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General-purpose sprite node.
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</brief_description>
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<description>
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A node that displays a 2D texture. The texture displayed can be a region from a larger atlas texture, or a frame from a sprite sheet animation.
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</description>
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<tutorials>
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<link title="Instancing Demo">https://godotengine.org/asset-library/asset/148</link>
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</tutorials>
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<methods>
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<method name="get_rect" qualifiers="const">
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<return type="Rect2" />
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<description>
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Returns a [Rect2] representing the Sprite2D's boundary in local coordinates. Can be used to detect if the Sprite2D was clicked.
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[b]Example:[/b]
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[codeblocks]
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[gdscript]
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func _input(event):
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if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
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if get_rect().has_point(to_local(event.position)):
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print("A click!")
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[/gdscript]
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[csharp]
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public override void _Input(InputEvent @event)
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{
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if (@event is InputEventMouseButton inputEventMouse)
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{
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if (inputEventMouse.Pressed && inputEventMouse.ButtonIndex == MouseButton.Left)
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{
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if (GetRect().HasPoint(ToLocal(inputEventMouse.Position)))
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{
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GD.Print("A click!");
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}
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}
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}
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}
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[/csharp]
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[/codeblocks]
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</description>
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</method>
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<method name="is_pixel_opaque" qualifiers="const">
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<return type="bool" />
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<param index="0" name="pos" type="Vector2" />
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<description>
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Returns [code]true[/code], if the pixel at the given position is opaque and [code]false[/code] in other case.
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[b]Note:[/b] It also returns [code]false[/code], if the sprite's texture is [code]null[/code] or if the given position is invalid.
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</description>
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</method>
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</methods>
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<members>
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<member name="centered" type="bool" setter="set_centered" getter="is_centered" default="true">
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If [code]true[/code], texture is centered.
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[b]Note:[/b] For games with a pixel art aesthetic, textures may appear deformed when centered. This is caused by their position being between pixels. To prevent this, set this property to [code]false[/code], or consider enabling [member ProjectSettings.rendering/2d/snap/snap_2d_vertices_to_pixel] and [member ProjectSettings.rendering/2d/snap/snap_2d_transforms_to_pixel].
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</member>
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<member name="flip_h" type="bool" setter="set_flip_h" getter="is_flipped_h" default="false">
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If [code]true[/code], texture is flipped horizontally.
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</member>
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<member name="flip_v" type="bool" setter="set_flip_v" getter="is_flipped_v" default="false">
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If [code]true[/code], texture is flipped vertically.
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</member>
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<member name="frame" type="int" setter="set_frame" getter="get_frame" default="0">
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Current frame to display from sprite sheet. [member hframes] or [member vframes] must be greater than 1. This property is automatically adjusted when [member hframes] or [member vframes] are changed to keep pointing to the same visual frame (same column and row). If that's impossible, this value is reset to [code]0[/code].
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</member>
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<member name="frame_coords" type="Vector2i" setter="set_frame_coords" getter="get_frame_coords" default="Vector2i(0, 0)">
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Coordinates of the frame to display from sprite sheet. This is as an alias for the [member frame] property. [member hframes] or [member vframes] must be greater than 1.
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</member>
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<member name="hframes" type="int" setter="set_hframes" getter="get_hframes" default="1">
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The number of columns in the sprite sheet. When this property is changed, [member frame] is adjusted so that the same visual frame is maintained (same row and column). If that's impossible, [member frame] is reset to [code]0[/code].
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</member>
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<member name="offset" type="Vector2" setter="set_offset" getter="get_offset" default="Vector2(0, 0)">
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The texture's drawing offset.
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</member>
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<member name="region_enabled" type="bool" setter="set_region_enabled" getter="is_region_enabled" default="false">
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If [code]true[/code], texture is cut from a larger atlas texture. See [member region_rect].
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</member>
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<member name="region_filter_clip_enabled" type="bool" setter="set_region_filter_clip_enabled" getter="is_region_filter_clip_enabled" default="false">
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If [code]true[/code], the outermost pixels get blurred out. [member region_enabled] must be [code]true[/code].
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</member>
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<member name="region_rect" type="Rect2" setter="set_region_rect" getter="get_region_rect" default="Rect2(0, 0, 0, 0)">
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The region of the atlas texture to display. [member region_enabled] must be [code]true[/code].
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</member>
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<member name="texture" type="Texture2D" setter="set_texture" getter="get_texture">
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[Texture2D] object to draw.
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</member>
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<member name="vframes" type="int" setter="set_vframes" getter="get_vframes" default="1">
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The number of rows in the sprite sheet. When this property is changed, [member frame] is adjusted so that the same visual frame is maintained (same row and column). If that's impossible, [member frame] is reset to [code]0[/code].
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</member>
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</members>
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<signals>
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<signal name="frame_changed">
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<description>
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Emitted when the [member frame] changes.
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</description>
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</signal>
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<signal name="texture_changed">
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<description>
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Emitted when the [member texture] changes.
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</description>
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</signal>
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</signals>
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</class>
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