particle fading shader

This commit is contained in:
minjaesong
2024-06-16 17:47:28 +09:00
parent 9948566ce4
commit fd124062cf
5 changed files with 111 additions and 5 deletions

View File

@@ -1,8 +1,11 @@
package net.torvald.terrarum.gameparticles
import com.badlogic.gdx.Gdx
import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.graphics.GL20
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.g2d.TextureRegion
import net.torvald.random.HQRNG
import net.torvald.terrarum.*
import net.torvald.terrarum.gameactors.Actor
import net.torvald.terrarum.gameactors.Hitbox
@@ -93,8 +96,22 @@ open class ParticleBase(renderOrder: Actor.RenderOrder, var despawnUponCollision
fun defaultDrawFun(frameDelta: Float, batch: SpriteBatch, drawJob: (x: Float, y: Float) -> Unit) {
val oldColour = batch.color.cpy()
if (!flagDespawn) {
App.getCurrentDitherTex().bind(1)
Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0) // so that batch that comes next will bind any tex to it
batch.shader = IngameRenderer.shaderBayerAlpha
batch.shader.setUniformi("frame", App.GLOBAL_RENDER_TIMER.toInt() % 16)
// batch.shader.setUniformi("frame", App.GLOBAL_RENDER_TIMER.toInt() % 16)
// batch.shader.setUniformMatrix("u_projTrans", projMat)
batch.shader.setUniformi("u_texture", 0)
batch.shader.setUniformi("rnd", rng.nextInt(8192), rng.nextInt(8192))
batch.shader.setUniformi("u_pattern", 1)
batch.shader.setUniformMatrix4fv("swizzler", swizzler, rng.nextInt(24), 16*4)
batch.color = drawColour
drawBodyInGoodPosition(hitbox.startX.toFloat(), hitbox.startY.toFloat()) { x, y ->
drawJob(x, y)
@@ -103,7 +120,41 @@ open class ParticleBase(renderOrder: Actor.RenderOrder, var despawnUponCollision
batch.color = oldColour
}
private val rng = HQRNG()
open fun dispose() {
}
companion object {
private val swizzler = floatArrayOf(
1f,0f,0f,0f, 0f,1f,0f,0f, 0f,0f,1f,0f, 0f,0f,0f,1f,
1f,0f,0f,0f, 0f,1f,0f,0f, 0f,0f,0f,1f, 0f,0f,1f,0f,
1f,0f,0f,0f, 0f,0f,1f,0f, 0f,1f,0f,0f, 0f,0f,0f,1f,
1f,0f,0f,0f, 0f,0f,1f,0f, 0f,0f,0f,1f, 0f,1f,0f,0f,
1f,0f,0f,0f, 0f,0f,0f,1f, 0f,1f,0f,0f, 0f,0f,1f,0f,
1f,0f,0f,0f, 0f,0f,0f,1f, 0f,0f,1f,0f, 0f,1f,0f,0f,
0f,1f,0f,0f, 1f,0f,0f,0f, 0f,0f,1f,0f, 0f,0f,0f,1f,
0f,1f,0f,0f, 1f,0f,0f,0f, 0f,0f,0f,1f, 0f,0f,1f,0f,
0f,1f,0f,0f, 0f,0f,1f,0f, 1f,0f,0f,0f, 0f,0f,0f,1f,
0f,1f,0f,0f, 0f,0f,1f,0f, 0f,0f,0f,1f, 1f,0f,0f,0f,
0f,1f,0f,0f, 0f,0f,0f,1f, 1f,0f,0f,0f, 0f,0f,1f,0f,
0f,1f,0f,0f, 0f,0f,0f,1f, 0f,0f,1f,0f, 1f,0f,0f,0f,
0f,0f,1f,0f, 1f,0f,0f,0f, 0f,1f,0f,0f, 0f,0f,0f,1f,
0f,0f,1f,0f, 1f,0f,0f,0f, 0f,0f,0f,1f, 0f,1f,0f,0f,
0f,0f,1f,0f, 0f,1f,0f,0f, 1f,0f,0f,0f, 0f,0f,0f,1f,
0f,0f,1f,0f, 0f,1f,0f,0f, 0f,0f,0f,1f, 1f,0f,0f,0f,
0f,0f,1f,0f, 0f,0f,0f,1f, 1f,0f,0f,0f, 0f,1f,0f,0f,
0f,0f,1f,0f, 0f,0f,0f,1f, 0f,1f,0f,0f, 1f,0f,0f,0f,
0f,0f,0f,1f, 1f,0f,0f,0f, 0f,1f,0f,0f, 0f,0f,1f,0f,
0f,0f,0f,1f, 1f,0f,0f,0f, 0f,0f,1f,0f, 0f,1f,0f,0f,
0f,0f,0f,1f, 0f,1f,0f,0f, 1f,0f,0f,0f, 0f,0f,1f,0f,
0f,0f,0f,1f, 0f,1f,0f,0f, 0f,0f,1f,0f, 1f,0f,0f,0f,
0f,0f,0f,1f, 0f,0f,1f,0f, 1f,0f,0f,0f, 0f,1f,0f,0f,
0f,0f,0f,1f, 0f,0f,1f,0f, 0f,1f,0f,0f, 1f,0f,0f,0f,
)
}
}