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Flippin' eck

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minjaesong
2021-12-13 23:22:17 +09:00
parent 83f78edc2a
commit 254bf814a9
28 changed files with 171 additions and 87 deletions
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src/net/torvald/terrarum/FlippingSpriteBatch.kt Normal file
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package net.torvald.terrarum
import com.badlogic.gdx.graphics.Texture
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.g2d.TextureRegion
/**
* Don't flip the assets! Flip the draw command instead!
*
* Created by minjaesong on 2021-12-13.
*/
class FlippingSpriteBatch : SpriteBatch() {
/**
* This function draws the flipped version of the image by giving flipped uv-coord to the SpriteBatch
*/
override fun draw(texture: Texture, x: Float, y: Float, width: Float, height: Float) =
draw(texture, x, y, width, height, 0f, 0f, 1f, 1f)
override fun draw(texture: Texture, x: Float, y: Float) =
draw(texture, x, y, texture.width.toFloat(), texture.height.toFloat(), 0f, 0f, 1f, 1f)
fun drawFlipped(texture: Texture, x: Float, y: Float, width: Float, height: Float) =
draw(texture, x, y, width, height, 0f, 1f, 1f, 0f)
fun drawFlipped(texture: Texture, x: Float, y: Float) =
draw(texture, x, y, texture.width.toFloat(), texture.height.toFloat(), 0f, 1f, 1f, 0f)
/**
* This function does obey the flipping set to the TextureRegion and try to draw flipped version of it,
* without touching the flipping setting of the given region.
*/
override fun draw(region: TextureRegion, x: Float, y: Float, width: Float, height: Float) =
draw(region.texture, x, y, width, height, region.u, region.v, region.u2, region.v2)
override fun draw(region: TextureRegion, x: Float, y: Float) =
draw(region.texture, x, y, region.regionWidth.toFloat(), region.regionHeight.toFloat(), region.u, region.v, region.u2, region.v2)
fun drawFlipped(region: TextureRegion, x: Float, y: Float, width: Float, height: Float) =
draw(region.texture, x, y, width, height, region.u, region.v2, region.u2, region.v)
fun drawFlipped(region: TextureRegion, x: Float, y: Float) =
draw(region.texture, x, y, region.regionWidth.toFloat(), region.regionHeight.toFloat(), region.u, region.v2, region.u2, region.v)
/**
* NOTE TO SELF:
*
* It seems that original SpriteBatch Y-flips when it's drawing a texture, but NOT when it's drawing a textureregion
*
* (textureregion's default uv-coord is (0,0,1,1)
*/
}