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trajectory to draw at the world edge

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minjaesong
2024-03-02 00:09:57 +09:00
parent 42e7da2a4a
commit db0d3379cc
1 changed files with 9 additions and 9 deletions
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18
src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt
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@@ -753,7 +753,7 @@ object IngameRenderer : Disposable {
val heldItem = ItemCodex[itemID] // will be null for blocks
// this is a case-by-case affair
when (heldItem) {
is ItemThrowable -> drawAimGuideForThrowable(fb, batch, frameDelta, player, world, heldItem)
is ItemThrowable -> drawTrajectoryForThrowable(fb, batch, frameDelta, player, world, heldItem)
}
}
}
@@ -765,7 +765,9 @@ object IngameRenderer : Disposable {
private val cubeSize = 7.0
private val externalV = Vector2()
private val maxStep = 56
private fun drawAimGuideForThrowable(frameBuffer: FrameBuffer, batch: SpriteBatch, frameDelta: Float, player: ActorWithBody, world: GameWorld, item: ItemThrowable) {
private fun drawTrajectoryForThrowable(frameBuffer: FrameBuffer, batch: SpriteBatch, frameDelta: Float, player: ActorWithBody, world: GameWorld, item: ItemThrowable) {
val ww = world.width * TILE_SIZEF
mouseInInteractableRange(player) { mx, my, mtx, mty ->
val (throwPos, throwVector) = getThrowPosAndVector(player)
val grav = world.gravitation
@@ -777,13 +779,11 @@ object IngameRenderer : Disposable {
batch.color = Color(0.9f, 0.9f, 0.9f, 0.9f * (1f - (c.toFloat() / maxStep).sqr()))
// plot a dot
if (c > 0) Toolkit.fillArea(
batch,
throwPos.x.toFloat(),
throwPos.y.toFloat(),
2f,
2f
)
if (c > 0) {
Toolkit.fillArea(batch, throwPos.x.toFloat(), throwPos.y.toFloat(), 2f, 2f)
Toolkit.fillArea(batch, throwPos.x.toFloat() + ww, throwPos.y.toFloat(), 2f, 2f)
Toolkit.fillArea(batch, throwPos.x.toFloat() - ww, throwPos.y.toFloat(), 2f, 2f)
}
// simulate physics
applyGravitation(grav, cubeSize) // TODO use actual value instead of `cubeSize`