Through stage 2

This commit is contained in:
Matt Soucy 2019-11-05 22:49:24 -05:00
parent 81583baa87
commit d1700f186b
4 changed files with 58 additions and 147 deletions

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@ -104,5 +104,7 @@ project(":core") {
api "com.badlogicgames.ashley:ashley:$ashleyVersion" api "com.badlogicgames.ashley:ashley:$ashleyVersion"
api "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion" api "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
api "io.github.libktx:ktx-app:$ktxVersion" api "io.github.libktx:ktx-app:$ktxVersion"
api "io.github.libktx:ktx-collections:$ktxVersion"
api "io.github.libktx:ktx-graphics:$ktxVersion"
} }
} }

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@ -1,34 +1,25 @@
package me.msoucy.ptures package me.msoucy.ptures
import com.badlogic.gdx.Game
import com.badlogic.gdx.Gdx
import com.badlogic.gdx.graphics.GL20
import com.badlogic.gdx.graphics.Texture
import com.badlogic.gdx.graphics.g2d.BitmapFont import com.badlogic.gdx.graphics.g2d.BitmapFont
import com.badlogic.gdx.graphics.g2d.SpriteBatch import com.badlogic.gdx.graphics.g2d.SpriteBatch
import ktx.app.KtxGame import ktx.app.KtxGame
import ktx.app.KtxScreen import ktx.app.KtxScreen
import me.msoucy.ptures.screens.MainMenuScreen import me.msoucy.ptures.screens.MainMenuScreen
class PTures : Game() { class PTures : KtxGame<KtxScreen>() {
public lateinit var batch: SpriteBatch val batch by lazy { SpriteBatch() }
public lateinit var font: BitmapFont // use LibGDX's default Arial font
val font by lazy { BitmapFont() }
override fun create() { override fun create() {
batch = SpriteBatch() addScreen(MainMenuScreen(this))
// use LibGDX's default Arial font setScreen<MainMenuScreen>()
font = BitmapFont() super.create()
this.setScreen(MainMenuScreen(this))
}
override fun render() {
super.render() // important!
} }
override fun dispose() { override fun dispose() {
this.getScreen().dispose()
batch.dispose() batch.dispose()
font.dispose() font.dispose()
super.dispose()
} }
} }

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@ -1,12 +1,7 @@
package me.msoucy.ptures.screens package me.msoucy.ptures.screens
import com.badlogic.gdx.Game
import com.badlogic.gdx.Gdx import com.badlogic.gdx.Gdx
import com.badlogic.gdx.Input import com.badlogic.gdx.Input
import com.badlogic.gdx.Screen
import com.badlogic.gdx.audio.Music
import com.badlogic.gdx.audio.Sound
import com.badlogic.gdx.graphics.GL20
import com.badlogic.gdx.graphics.OrthographicCamera import com.badlogic.gdx.graphics.OrthographicCamera
import com.badlogic.gdx.graphics.Texture import com.badlogic.gdx.graphics.Texture
import com.badlogic.gdx.math.MathUtils import com.badlogic.gdx.math.MathUtils
@ -14,142 +9,87 @@ import com.badlogic.gdx.math.Rectangle
import com.badlogic.gdx.math.Vector3 import com.badlogic.gdx.math.Vector3
import com.badlogic.gdx.utils.Array import com.badlogic.gdx.utils.Array
import com.badlogic.gdx.utils.TimeUtils import com.badlogic.gdx.utils.TimeUtils
import ktx.app.KtxScreen
import ktx.collections.iterate
import ktx.graphics.use
import me.msoucy.ptures.PTures import me.msoucy.ptures.PTures
class GameScreen(val game: PTures) : Screen { class GameScreen(val game: PTures) : KtxScreen {
private var dropImage: Texture private val dropImage = Texture(Gdx.files.internal("images/drop.png"))
private var bucketImage: Texture private val bucketImage = Texture(Gdx.files.internal("images/bucket.png"))
private var dropSound: Sound private val dropSound = Gdx.audio.newSound(Gdx.files.internal("sounds/drop.wav"))
private var rainMusic: Music private val rainMusic = Gdx.audio.newMusic(Gdx.files.internal("music/rain.mp3")).apply { isLooping = true }
// The camera ensures we can render using our target resolution of 800x480 // The camera ensures we can render using our target resolution of 800x480
// pixels no matter what the screen resolution is. // pixels no matter what the screen resolution is.
private var camera: OrthographicCamera private val camera = OrthographicCamera().apply { setToOrtho(false, 800f, 480f) }
private var bucket: Rectangle private val bucket = Rectangle(800f / 2f - 64f / 2f, 20f, 64f, 64f)
private var touchPos: Vector3 private val touchPos = Vector3()
private var raindrops: Array<Rectangle> // gdx, not Kotlin Array private val raindrops = Array<Rectangle>() // gdx, not Kotlin Array
private var lastDropTime: Long = 0L private var lastDropTime = 0L
private var dropsGathered: Int = 0 private var dropsGathered = 0
private fun spawnRaindrop() { private fun spawnRaindrop() {
var raindrop = Rectangle() raindrops.add(Rectangle(MathUtils.random(0f, 800f - 64f), 480f, 64f, 64f))
raindrop.x = MathUtils.random(0f, 800f - 64f)
raindrop.y = 480f
raindrop.width = 64f
raindrop.height = 64f
raindrops.add(raindrop)
lastDropTime = TimeUtils.nanoTime() lastDropTime = TimeUtils.nanoTime()
} }
// initializer block
init {
// load the images for the droplet & bucket, 64x64 pixels each
dropImage = Texture(Gdx.files.internal("images/drop.png"))
bucketImage = Texture(Gdx.files.internal("images/bucket.png"))
// load the drop sound effect and the rain background music
dropSound = Gdx.audio.newSound(Gdx.files.internal("sounds/drop.wav"))
rainMusic = Gdx.audio.newMusic(Gdx.files.internal("music/rain.mp3"))
rainMusic.setLooping(true)
// create the camera
camera = OrthographicCamera()
camera.setToOrtho(false, 800f, 480f)
// create a Rectangle to logically represent the bucket
bucket = Rectangle()
bucket.x = 800f / 2f - 64f / 2f // center the bucket horizontally
bucket.y = 20f // bottom left bucket corner is 20px above
// bottom screen edge
bucket.width = 64f
bucket.height = 64f
// create the touchPos to store mouse click position
touchPos = Vector3()
// create the raindrops array and spawn the first raindrop
raindrops = Array<Rectangle>()
spawnRaindrop()
}
override fun render(delta: Float) { override fun render(delta: Float) {
// clear the screen with a dark blue color. The arguments to glClearColor
// are the RGB and alpha component in the range [0,1] of the color to
// be used to clear the screen.
Gdx.gl.glClearColor(0f, 0f, 0.2f, 1f)
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
// generally good practice to update the camera's matrices once per frame // generally good practice to update the camera's matrices once per frame
camera.update() camera.update()
// tell the SpriteBatch to render in the coordinate system specified by the camera. // tell the SpriteBatch to render in the coordinate system specified by the camera.
game.batch.setProjectionMatrix(camera.combined) game.batch.projectionMatrix = camera.combined
// begin a new batch and draw the bucket and all drops // begin a new batch and draw the bucket and all drops
game.batch.begin() game.batch.use { batch ->
game.font.draw(game.batch, "Drops Collected: " + dropsGathered, 0f, 480f) game.font.draw(batch, "Drops Collected: " + dropsGathered, 0f, 480f)
game.batch.draw(bucketImage, bucket.x, bucket.y, batch.draw(bucketImage, bucket.x, bucket.y, bucket.width, bucket.height)
bucket.width, bucket.height) raindrops.forEach { r -> batch.draw(dropImage, r.x, r.y) }
for (raindrop in raindrops) {
game.batch.draw(dropImage, raindrop.x, raindrop.y)
} }
game.batch.end()
// process user input // process user input
if (Gdx.input.isTouched()) { if (Gdx.input.isTouched) {
touchPos.set(Gdx.input.getX().toFloat(), touchPos.set(Gdx.input.x.toFloat(), Gdx.input.y.toFloat(),0f)
Gdx.input.getY().toFloat(),
0f)
camera.unproject(touchPos) camera.unproject(touchPos)
bucket.x = touchPos.x - 64f / 2f bucket.x = touchPos.x - 64f / 2f
} }
if (Gdx.input.isKeyPressed(Input.Keys.LEFT)) { if (Gdx.input.isKeyPressed(Input.Keys.LEFT)) {
// getDeltaTime returns the time passed between the last and the current frame in seconds // getDeltaTime returns the time passed between the last and the current frame in seconds
bucket.x -= 200 * Gdx.graphics.getDeltaTime() bucket.x -= 200 * delta
} }
if (Gdx.input.isKeyPressed(Input.Keys.RIGHT)) { if (Gdx.input.isKeyPressed(Input.Keys.RIGHT)) {
bucket.x += 200 * Gdx.graphics.getDeltaTime() bucket.x += 200 * delta
} }
// make sure the bucket stays within the screen bounds // make sure the bucket stays within the screen bounds
if (bucket.x < 0f) bucket.x = MathUtils.clamp(bucket.x, 0f, 800f - 64f)
bucket.x = 0f
if (bucket.x > 800f - 64f)
bucket.x = 800f - 64f
// check if we need to create a new raindrop // check if we need to create a new raindrop
if (TimeUtils.nanoTime() - lastDropTime > 1_000_000_000L) if (TimeUtils.nanoTime() - lastDropTime > 1_000_000_000L) {
spawnRaindrop() spawnRaindrop()
}
// move the raindrops, remove any that are beneath the bottom edge of the // move the raindrops, remove any that are beneath the bottom edge of the
// screen or that hit the bucket. In the latter case, play back a sound // screen or that hit the bucket. In the latter case, play back a sound
// effect also // effect also
var iter = raindrops.iterator() raindrops.iterate { raindrop, iterator ->
while (iter.hasNext()) { raindrop.y -= 200 * delta
var raindrop = iter.next()
raindrop.y -= 200 * Gdx.graphics.getDeltaTime()
if (raindrop.y + 64 < 0) if (raindrop.y + 64 < 0)
iter.remove() iterator.remove()
if (raindrop.overlaps(bucket)) { if (raindrop.overlaps(bucket)) {
dropsGathered++ dropsGathered++
dropSound.play() dropSound.play()
iter.remove() iterator.remove()
} }
} }
} }
// the following overrides are no-ops, unused in tutorial, but needed in
// order to compile a class that implements Screen
override fun resize(width: Int, height: Int) {}
override fun hide() {}
override fun pause() {}
override fun resume() {}
override fun show() { override fun show() {
// start the playback of the background music when the screen is shown // start the playback of the background music when the screen is shown
rainMusic.play() rainMusic.play()
spawnRaindrop()
} }
override fun dispose() { override fun dispose() {

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@ -1,52 +1,30 @@
package me.msoucy.ptures.screens package me.msoucy.ptures.screens
import com.badlogic.gdx.Gdx import com.badlogic.gdx.Gdx
import com.badlogic.gdx.Screen
import com.badlogic.gdx.graphics.GL20
import com.badlogic.gdx.graphics.OrthographicCamera import com.badlogic.gdx.graphics.OrthographicCamera
import ktx.app.KtxScreen
import ktx.graphics.use
import me.msoucy.ptures.PTures import me.msoucy.ptures.PTures
class MainMenuScreen(val game: PTures) : Screen { class MainMenuScreen(val game: PTures) : KtxScreen {
private var camera: OrthographicCamera private val camera = OrthographicCamera().apply {
setToOrtho(false, 800f, 480f)
init {
camera = OrthographicCamera();
camera.setToOrtho(false, 800f, 480f);
} }
override fun render(delta: Float) { override fun render(delta: Float) {
Gdx.gl.glClearColor(0f, 0f, 0.2f, 1f); camera.update()
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); game.batch.projectionMatrix = camera.combined
camera.update(); game.batch.use {
game.batch.setProjectionMatrix(camera.combined); game.font.draw(it, "Welcome to Drop!!! ", 100f, 150f)
game.font.draw(it, "Tap anywhere to begin!", 100f, 100f)
game.batch.begin();
game.font.draw(game.batch, "Welcome to Drop!!! ", 100f, 150f);
game.font.draw(game.batch, "Tap anywhere to begin!", 100f, 100f);
game.batch.end();
if (Gdx.input.isTouched()) {
game.setScreen(GameScreen(game));
dispose();
}
} }
override fun hide() { if (Gdx.input.isTouched) {
game.addScreen(GameScreen(game))
game.setScreen<GameScreen>()
game.removeScreen<MainMenuScreen>()
dispose()
} }
override fun show() {
}
override fun pause() {
}
override fun resume() {
}
override fun resize(width: Int, height: Int) {
}
override fun dispose() {
} }
} }