Create simple drop game
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43
Exercises/Drop/core/build.gradle
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43
Exercises/Drop/core/build.gradle
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[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
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eclipse.project.name = appName + '-core'
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dependencies {
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api "com.badlogicgames.ashley:ashley:$ashleyVersion"
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api "com.badlogicgames.gdx:gdx-ai:$aiVersion"
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api "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
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api "com.badlogicgames.gdx:gdx-freetype:$gdxVersion"
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api "com.badlogicgames.gdx:gdx:$gdxVersion"
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api "com.kotcrab.vis:vis-ui:$visUiVersion"
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api "io.github.libktx:ktx-actors:$ktxVersion"
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api "io.github.libktx:ktx-ai:$ktxVersion"
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api "io.github.libktx:ktx-app:$ktxVersion"
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api "io.github.libktx:ktx-artemis:$ktxVersion"
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api "io.github.libktx:ktx-ashley:$ktxVersion"
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api "io.github.libktx:ktx-assets-async:$ktxVersion"
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api "io.github.libktx:ktx-assets:$ktxVersion"
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api "io.github.libktx:ktx-async:$ktxVersion"
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api "io.github.libktx:ktx-box2d:$ktxVersion"
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api "io.github.libktx:ktx-collections:$ktxVersion"
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api "io.github.libktx:ktx-freetype-async:$ktxVersion"
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api "io.github.libktx:ktx-freetype:$ktxVersion"
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api "io.github.libktx:ktx-graphics:$ktxVersion"
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api "io.github.libktx:ktx-i18n:$ktxVersion"
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api "io.github.libktx:ktx-inject:$ktxVersion"
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api "io.github.libktx:ktx-json:$ktxVersion"
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api "io.github.libktx:ktx-log:$ktxVersion"
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api "io.github.libktx:ktx-math:$ktxVersion"
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api "io.github.libktx:ktx-preferences:$ktxVersion"
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api "io.github.libktx:ktx-reflect:$ktxVersion"
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api "io.github.libktx:ktx-scene2d:$ktxVersion"
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api "io.github.libktx:ktx-style:$ktxVersion"
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api "io.github.libktx:ktx-tiled:$ktxVersion"
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api "io.github.libktx:ktx-vis-style:$ktxVersion"
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api "io.github.libktx:ktx-vis:$ktxVersion"
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api "net.onedaybeard.artemis:artemis-odb:$artemisOdbVersion"
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api "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
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api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinxCoroutinesVersion"
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if(enableGraalNative == 'true') {
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implementation "io.github.berstanio:gdx-svmhelper-annotations:$graalHelperVersion"
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}
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}
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138
Exercises/Drop/core/src/main/kotlin/com/badlogic/drop/Main.kt
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138
Exercises/Drop/core/src/main/kotlin/com/badlogic/drop/Main.kt
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package com.badlogic.drop
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import com.badlogic.gdx.Gdx
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import com.badlogic.gdx.Gdx.audio
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import com.badlogic.gdx.audio.Music
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import com.badlogic.gdx.audio.Sound
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import com.badlogic.gdx.graphics.Color
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import com.badlogic.gdx.graphics.Texture
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import com.badlogic.gdx.graphics.Texture.TextureFilter.Linear
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import com.badlogic.gdx.graphics.g2d.Sprite
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import com.badlogic.gdx.graphics.g2d.SpriteBatch
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import com.badlogic.gdx.math.MathUtils
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import com.badlogic.gdx.math.Rectangle
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import com.badlogic.gdx.math.Vector2
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import com.badlogic.gdx.utils.ScreenUtils
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import com.badlogic.gdx.utils.viewport.FitViewport
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import ktx.app.KtxGame
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import ktx.app.KtxScreen
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import ktx.assets.disposeSafely
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import ktx.assets.toInternalFile
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import ktx.async.KtxAsync
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import ktx.graphics.use
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class Main : KtxGame<KtxScreen>() {
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override fun create() {
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KtxAsync.initiate()
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addScreen(FirstScreen())
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setScreen<FirstScreen>()
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}
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class FirstScreen : KtxScreen {
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private val backgroundTexture: Texture = Texture("background.png".toInternalFile(), true).apply { setFilter(Linear, Linear) }
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private val bucketTexture: Texture = Texture("bucket.png".toInternalFile(), true).apply { setFilter(Linear, Linear) }
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private val dropTexture: Texture = Texture("drop.png".toInternalFile(), true).apply { setFilter(Linear, Linear) }
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private val dropSound: Sound = audio.newSound("drop.mp3".toInternalFile())
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private val music: Music = audio.newMusic("music.mp3".toInternalFile()).apply {
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isLooping = true
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volume = 0.5f
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play()
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}
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private val bucketSprite: Sprite = Sprite(bucketTexture).apply { setSize(1f, 1f) }
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private val image = Texture("logo.png".toInternalFile(), true).apply { setFilter(Linear, Linear) }
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private val batch = SpriteBatch()
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private val viewport = FitViewport(8f, 5f)
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private var touchPos: Vector2 = Vector2()
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private var dropletSpriteList: MutableList<Sprite> = mutableListOf()
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private var dropTimer: Float = 0f
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private val bucketRectangle: Rectangle = Rectangle()
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private val dropletRectangle: Rectangle = Rectangle()
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override fun resize(width: Int, height: Int) {
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viewport.update(width, height, true)
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}
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override fun render(delta: Float) {
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input()
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logic()
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draw()
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}
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override fun dispose() {
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image.disposeSafely()
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batch.disposeSafely()
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}
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private fun input() {
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if (Gdx.input.isTouched) {
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touchPos.set(Gdx.input.x.toFloat(), Gdx.input.y.toFloat())
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viewport.unproject(touchPos)
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bucketSprite.setCenterX(touchPos.x)
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}
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}
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private fun logic() {
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val worldWidth: Float = viewport.worldWidth
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bucketSprite.x = MathUtils.clamp(bucketSprite.x, 0f, worldWidth - bucketSprite.width)
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val delta: Float = Gdx.graphics.deltaTime
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bucketRectangle.set(bucketSprite.x, bucketSprite.y, bucketSprite.width, bucketSprite.height)
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for (sprite in dropletSpriteList.reversed()) {
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sprite.translateY(-2f * delta)
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dropletRectangle.set(sprite.x, sprite.y, sprite.width, sprite.height)
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if (sprite.y < -sprite.height) dropletSpriteList.remove(sprite)
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else if (bucketRectangle.overlaps(dropletRectangle)) {
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dropletSpriteList.remove(sprite)
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dropSound.play()
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}
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}
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dropTimer += delta
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if (dropTimer >= 1f)
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{
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dropTimer = 0f
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dropletSpriteList.add(createDroplet())
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}
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//Gdx.app.log("Droplets", dropletSpriteList.size.toString() + " in List")
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}
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private fun draw() {
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ScreenUtils.clear(Color.BLACK)
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viewport.apply()
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batch.setProjectionMatrix(viewport.camera.combined)
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batch.use {
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it.draw(backgroundTexture, 0f, 0f, viewport.worldWidth, viewport.worldHeight)
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for (s in dropletSpriteList) {
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s.draw(it)
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}
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bucketSprite.draw(it)
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}
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}
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private fun createDroplet(): Sprite {
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val dropWidth: Float = 1f
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val dropHeight: Float = 1f
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val worldWidth: Float = viewport.worldWidth
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val worldHeight: Float = viewport.worldHeight
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val dropSprite: Sprite = Sprite(dropTexture).apply {
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setSize(dropWidth, dropHeight)
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x = MathUtils.random(0f, worldWidth - dropWidth)
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y = worldHeight //- dropHeight // Spawn droplet above world for cleaner transition in?
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} // We don't add the object to the set here because apply is really meant for doing stuff with members
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return dropSprite
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}
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}
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}
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