Sprite component reference

Using Sprites is the most common way to display images in a 2D game. By adding the Sprite component to a node you can display images from the project resources within the scene.

add sprite

Click the Add Component button at the bottom of the Properties panel and select Sprite from Add Rendering Component to add the Sprite component to the node.

Script interface please refer to Sprite API.

Sprite attribute

Attribute Function Explanation
Atlas Atlas resource which the Sprite display image resource belongs to.
Sprite Frame SpriteFrame image resource which is used to render the Sprite.
Type Rendering mode, currently includes Simple, Sliced, Tiled and Filled four rendering modes.
Size Mode Specify the size of the Sprite
Trimmed automatically fit to the size of the sprite cropped
Raw automatic fit for sprite original size
Custom use the node preset size. When the user manually modifies Size properties, Size Mode will be automatically set to Custom.
Trim Whether the transparent pixel area is included in the node bounding box,please refer to Auto Trim for SpriteFrame.
Src Blend Factor The source image blend mode.
Dst Blend Factor the destination image blend mode. Together with the above properties, you can mix the foreground and background Sprite in different ways to render, and the effect preview can refer to glBlendFunc Tool.

After adding the Sprite component, drag the Texture or SpriteFrame type resource from the Assets to the Sprite Frame attribute reference. Then, the resource image can be displayed through the Sprite component.

If this SpriteFrame resource is contained within an Atlas resource, then the Atlas attribute of the Sprite will be set up along with it. Later you can click the choose button next to the Atlas attribute to choose another SpriteFrame from this Atlas to assign to the Sprite.

To dynamically replace spriteframe, you need to dynamically load the picture resource before you replace it, please refer to Acquire and load asset: how to dynamically load.

Rendering mode

Currently, the Sprite component supports four rendering modes:

  • Simple mode: rendering the Sprite according to the original image resource. It is normally used along with Use Original Size to guarantee the image shown in the scene is in full accordance with the image designed by the graphic designer.
  • Sliced mode: the image is cut up into a nine square grid and according to certain rules is scaled to fit freely set dimensions (size). It is usually used in UI elements or to make images that can be enlarged infinitely without influencing the image quality into images cut up into a grid to save game resource space. Please read use Sprite editor to make a Sudoku image for detailed information.
  • Tiled mode: as the size of the Sprite increases, the image is not stretched, but it Will repeat according to the size of the original picture, paving the original picture to the size of the entire Sprite as tiled tiles. tiled
  • Filled mode: draws a portion of the original picture in a certain direction and scale, based on the origin and fill mode settings. Often used for dynamic display of progress bars.

Filled mode

When the Type property selects Filled mode, a new set of properties appears to be configured. So let's explain their roles in turn.

Attribute Function Explanation
Fill Type Fill type selection, including HORIZONTAL, VERTICAL, and RADIAL.
Fill Start Normalized values for filling starting position (from 0 ~ 1, denoting the percentage of total population), when you select a horizontal fill, the Fill Start is set to 0, and it is populated from the leftmost edge of the image.
Fill Range Normalized values for padding ranges (same from 0 ~ 1). When set to 1, it fills up the entire range of the original image.
Fill Center Fill Center Point, this property appears only if the Radial type is selected. Determines which point on the Sprite is used as pivot when the FillType is set to RADIAL, the coordinate system used are the same as the Anchor.

Fill Range Supplemental description

Under both the horizontal and VERTICAL fill types, the values set by Fill Start affect the total number of fills, if Fill Start is set to 0.5, even if Fill Range is set to 1.0, the actual padding is still only half the total size of the Sprite.

Fill Start in the RADIAL type only determines the orientation of the starting fill, when Fill Start is set to 0, start filling from the x axis positive direction.
Fill Range determines the total amount of padding, which fills the entire circle when Fill Range is set to 1. A counter anticlockwise fill when Fill Range is positive, and is filled clockwise when negative.

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