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more belt graphics

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This commit is contained in:
minjaesong
2025-03-16 20:17:02 +09:00
parent dba941d4de
commit 5631b8e807
1 changed files with 27 additions and 10 deletions
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37
src/net/torvald/terrarum/modulebasegame/gameactors/ActorConveyors.kt
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@@ -2,12 +2,10 @@ package net.torvald.terrarum.modulebasegame.gameactors
import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import net.torvald.terrarum.App
import net.torvald.terrarum.INGAME
import net.torvald.terrarum.*
import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZED
import net.torvald.terrarum.gameactors.ActorWithBody
import net.torvald.terrarum.inUse
import net.torvald.terrarum.tryDispose
import net.torvald.terrarum.modulebasegame.worldgenerator.HALF_PI
import java.util.*
import kotlin.math.*
@@ -34,6 +32,7 @@ class ActorConveyors : ActorWithBody {
cy2 = 0.0
r = 0.5 * TILE_SIZED.minus(2)
l = 0.0
c = 0
btx1 = 0.0
@@ -52,7 +51,8 @@ class ActorConveyors : ActorWithBody {
val x2: Int // always positive
val y2: Int
private val s: Double // belt length
private val s: Double // belt length (total)
private val l: Double // belt length (single straight part)
private val c: Int // segment counts
private val di: Double // inclination deg
@@ -79,10 +79,10 @@ class ActorConveyors : ActorWithBody {
companion object {
private val COL_BELT = Color(0x444444ff)
private val COL_BELT_ALT = Color(0x666666ff)
private val COL_BELT_TOP = Color(0x666666ff)
private val COL_BELT_TOP = Color(0x666666ff.toInt())
private val COL_BELT_TOP_ALT = Color(0x999999ff.toInt())
private val COL_BELT_ALT = Color(0x888888ff.toInt())
private val COL_BELT_TOP_ALT = Color(0xccccccff.toInt())
}
@Transient private var shapeRender = App.makeShapeRenderer()
@@ -103,6 +103,7 @@ class ActorConveyors : ActorWithBody {
this.y2 = y2
s = calcBeltLength(x1, y1, x2, y2)
l = calcBeltLengthStraightPart(x1, y1, x2, y2)
di = atan2(this.y2.toDouble() - this.y1, this.x1.toDouble() - this.x2)
dd = atan2(this.y1.toDouble() - this.y2, this.x2.toDouble() - this.x1)
@@ -113,7 +114,7 @@ class ActorConveyors : ActorWithBody {
cy2 = (this.y2 + 0.5) * TILE_SIZED
r = 0.5 * TILE_SIZED.minus(2)
c = (s / 8).roundToInt() * 2 // 4px segments rounded towards nearest even number
c = (s / 4).roundToInt() * 2 // 4px segments rounded towards nearest even number
btx1 = cx1 + r * sin(di)
bty1 = cy1 + r * cos(di)
@@ -127,7 +128,10 @@ class ActorConveyors : ActorWithBody {
}
private fun calcBeltLength(x1: Int, y1: Int, x2: Int, y2: Int) =
2 * (hypot((x2 - x1) * TILE_SIZED, (y2 - y1) * TILE_SIZED) + Math.PI * TILE_SIZED / 2)
2 * (calcBeltLengthStraightPart(x1, y1, x2, y2) + Math.PI * TILE_SIZED / 2)
private fun calcBeltLengthStraightPart(x1: Int, y1: Int, x2: Int, y2: Int) =
hypot((x2 - x1) * TILE_SIZED, (y2 - y1) * TILE_SIZED)
override fun drawBody(frameDelta: Float, batch: SpriteBatch) {
@@ -146,6 +150,19 @@ class ActorConveyors : ActorWithBody {
// right arc
drawArcOnWorld(cx2, cy2, r, di, -Math.PI, 2f)
// draw belt stripes under
it.color = COL_BELT_ALT
val segmentLen = s / c
val topSegRemainder = l % segmentLen
for (i in 0 until c) {
val x1 = btx1 + r * sin(di - HALF_PI) * (i - turn + 0.00) * segmentLen
val y1 = bty1 + r * cos(di - HALF_PI) * (i - turn + 0.00) * segmentLen
val x2 = btx1 + r * sin(di - HALF_PI) * (i - turn + 0.25) * segmentLen
val y2 = bty1 + r * cos(di - HALF_PI) * (i - turn + 0.25) * segmentLen
drawLineOnWorld(x1, y1, x2, y2, 2f)
}
it.color = COL_BELT_TOP
// belt top
drawLineOnWorld(btx1, bty1 - 0.5f, btx2, bty2 - 0.5f, 1f)