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more clouds

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This commit is contained in:
minjaesong
2023-08-22 00:06:03 +09:00
parent dc83e12170
commit 7dd520393c
4 changed files with 53 additions and 32 deletions
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19
src/net/torvald/terrarum/weather/WeatherObjectCloud.kt
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@@ -4,12 +4,13 @@ import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.g2d.TextureRegion
import com.badlogic.gdx.math.Vector2
import com.badlogic.gdx.math.Vector3
import net.torvald.terrarum.App
import kotlin.math.sign
/**
* Created by minjaesong on 2023-08-21.
*/
class WeatherObjectCloud(private val texture: TextureRegion) : WeatherObject() {
class WeatherObjectCloud(private val texture: TextureRegion, private val flipW: Boolean) : WeatherObject() {
/**
* To actually utilise this value, your render code must begin the spritebatch per-object, like so:
@@ -32,8 +33,8 @@ class WeatherObjectCloud(private val texture: TextureRegion) : WeatherObject() {
* Resulting vector: (x + dX, y + dY, scale * dScale)
*/
fun update(flowVector: Vector3, gait: Float) {
posX += flowVector.x * gait * scale * scale
posY += flowVector.y * gait * scale * scale
posX += flowVector.x * gait * scale
posY += flowVector.y * gait * scale
scale *= flowVector.z
}
@@ -44,8 +45,18 @@ class WeatherObjectCloud(private val texture: TextureRegion) : WeatherObject() {
override fun render(batch: SpriteBatch, offsetX: Float, offsetY: Float) {
val x = posX + offsetX - texture.regionWidth * scale * 0.5f
val y = posY + offsetY - texture.regionHeight * scale
val z = posZ // must be at least 1.0
val w = App.scr.halfwf
val h = App.scr.halfhf // 50% to the screen height, or 35%?
batch.draw(texture, x, y, texture.regionWidth * scale, texture.regionHeight * scale)
val drawX = (x + w * (z-1)) / z
val drawY = (y + h * (z-1)) / z
val drawScale = scale / z
if (flipW)
batch.draw(texture, drawX + texture.regionWidth / z, drawY, -texture.regionWidth * drawScale, texture.regionHeight * drawScale)
else
batch.draw(texture, drawX, drawY, texture.regionWidth * drawScale, texture.regionHeight * drawScale)
}
override fun dispose() { /* cloud texture will be disposed of by the WeatherMixer */ }