feat: visualizer切り出し

build.gradle.kts

@@ -1,85 +1,3 @@
-import net.minecrell.pluginyml.paper.PaperPluginDescription
-
-group = "net.hareworks.hcu"
-version = "1.0"
-
 plugins {
-    kotlin("jvm") version "2.2.21"
+    // Apply plugins common to all subprojects if any, or just leave empty/basic
-    kotlin("plugin.serialization") version "2.2.21"
-    id("de.eldoria.plugin-yml.paper") version "0.8.0"
-    id("com.gradleup.shadow") version "9.2.2"
-}
-repositories {
-    mavenCentral()
-    maven("https://repo.papermc.io/repository/maven-public/")
-}
-
-val exposedVersion = "1.0.0-rc-4"
-
-dependencies {
-    compileOnly("io.papermc.paper:paper-api:1.21.10-R0.1-SNAPSHOT")
-    compileOnly("org.jetbrains.kotlin:kotlin-stdlib:2.1.0")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.9.0") {
-        exclude(group = "org.jetbrains.kotlin")
-    }
-    implementation("com.michael-bull.kotlin-result:kotlin-result:2.1.0")
-
-    compileOnly("net.hareworks.hcu:hcu-core")
-    implementation("net.hareworks:kommand-lib")
-    implementation("net.hareworks:permits-lib")
-    compileOnly("net.hareworks:GhostDisplays")
-
-    compileOnly("net.kyori:adventure-api:4.25.0")
-    compileOnly("net.kyori:adventure-text-minimessage:4.25.0")
-
-    compileOnly("org.postgresql:postgresql:42.7.8")
-    compileOnly("org.jetbrains.exposed:exposed-core:$exposedVersion")
-    compileOnly("org.jetbrains.exposed:exposed-dao:$exposedVersion")
-    compileOnly("org.jetbrains.exposed:exposed-jdbc:$exposedVersion")
-    compileOnly("org.jetbrains.exposed:exposed-kotlin-datetime:$exposedVersion")
-}
-tasks {
-    withType<Jar> {
-        archiveBaseName.set("lands")
-    }
-    shadowJar {
-        archiveClassifier.set("min")
-        minimize {
-            exclude(dependency("net.hareworks:GhostDisplays"))
-            exclude(dependency("net.hareworks:kommand-lib"))
-            exclude(dependency("net.hareworks:permits-lib"))
-        }
-        dependencies {
-            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib"))
-            exclude(dependency("org.jetbrains.kotlin:kotlin-reflect"))
-            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk8"))
-            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk7"))
-        }
-
-        relocate("net.hareworks.kommand_lib", "net.hareworks.hcu.lands.libs.kommand_lib")
-        relocate("net.hareworks.permits_lib", "net.hareworks.hcu.lands.libs.permits_lib")
-    }
-}
-
-paper {
-    main = "net.hareworks.hcu.lands.App"
-    name = "lands"
-    description = "land plugin"
-    version = getVersion().toString()
-    apiVersion = "1.21.10"
-    serverDependencies {
-        register("hcu-core") {
-            required = true
-            load = PaperPluginDescription.RelativeLoadOrder.BEFORE
-        }
-        register("GhostDisplays") {
-            required = true
-            load = PaperPluginDescription.RelativeLoadOrder.BEFORE
-        }
-    }
-    authors =
-            listOf(
-                "Hare-K02",
-                "Kaariyaaa"
-            )
 }

lands-plugin/build.gradle.kts

@@ -0,0 +1,87 @@
+import net.minecrell.pluginyml.paper.PaperPluginDescription
+
+group = "net.hareworks.hcu"
+version = "1.0"
+
+plugins {
+    kotlin("jvm") version "2.2.21"
+    kotlin("plugin.serialization") version "2.2.21"
+    id("de.eldoria.plugin-yml.paper") version "0.8.0"
+    id("com.gradleup.shadow") version "9.2.2"
+}
+repositories {
+    mavenCentral()
+    maven("https://repo.papermc.io/repository/maven-public/")
+}
+
+val exposedVersion = "1.0.0-rc-4"
+
+dependencies {
+    compileOnly("io.papermc.paper:paper-api:1.21.10-R0.1-SNAPSHOT")
+    compileOnly("org.jetbrains.kotlin:kotlin-stdlib:2.1.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.9.0") {
+        exclude(group = "org.jetbrains.kotlin")
+    }
+    implementation("com.michael-bull.kotlin-result:kotlin-result:2.1.0")
+
+    compileOnly("net.hareworks.hcu:hcu-core")
+    implementation("net.hareworks:kommand-lib")
+    implementation("net.hareworks:permits-lib")
+    compileOnly("net.hareworks:GhostDisplays")
+    
+    implementation(project(":visualizer-lib"))
+
+    compileOnly("net.kyori:adventure-api:4.25.0")
+    compileOnly("net.kyori:adventure-text-minimessage:4.25.0")
+
+    compileOnly("org.postgresql:postgresql:42.7.8")
+    compileOnly("org.jetbrains.exposed:exposed-core:$exposedVersion")
+    compileOnly("org.jetbrains.exposed:exposed-dao:$exposedVersion")
+    compileOnly("org.jetbrains.exposed:exposed-jdbc:$exposedVersion")
+    compileOnly("org.jetbrains.exposed:exposed-kotlin-datetime:$exposedVersion")
+}
+tasks {
+    withType<Jar> {
+        archiveBaseName.set("lands")
+    }
+    shadowJar {
+        archiveClassifier.set("min")
+        minimize {
+            exclude(dependency("net.hareworks:GhostDisplays"))
+            exclude(dependency("net.hareworks:kommand-lib"))
+            exclude(dependency("net.hareworks:permits-lib"))
+        }
+        dependencies {
+            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib"))
+            exclude(dependency("org.jetbrains.kotlin:kotlin-reflect"))
+            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk8"))
+            exclude(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk7"))
+        }
+
+        relocate("net.hareworks.kommand_lib", "net.hareworks.hcu.lands.libs.kommand_lib")
+        relocate("net.hareworks.permits_lib", "net.hareworks.hcu.lands.libs.permits_lib")
+    }
+}
+
+paper {
+    main = "net.hareworks.hcu.lands.App"
+    name = "lands"
+    description = "land plugin"
+    version = getVersion().toString()
+    apiVersion = "1.21.10"
+    serverDependencies {
+        register("hcu-core") {
+            required = true
+            load = PaperPluginDescription.RelativeLoadOrder.BEFORE
+        }
+        register("GhostDisplays") {
+            required = true
+            load = PaperPluginDescription.RelativeLoadOrder.BEFORE
+        }
+    }
+    authors =
+            listOf(
+                "Hare-K02",
+                "Kaariyaaa"
+            )
+}

lands-plugin/src/main/kotlin/net/hareworks/hcu/lands/task/VisualizerTask.kt

@@ -12,6 +12,7 @@ import org.bukkit.entity.Player
 import org.bukkit.entity.TextDisplay
 import org.bukkit.util.Transformation
 import org.bukkit.util.Vector
+import net.hareworks.hcu.visualizer.GeometryVisualizer
 import org.joml.AxisAngle4f
 import org.joml.Vector3f
 import java.util.UUID
@@ -118,13 +119,12 @@ class VisualizerTask(
         val (minCorner, maxCorner) = cuboid.getCornerBlocks()
         
         // Draw outline of min corner block
-        drawBlockOutline(player, minCorner.first, minCorner.second, minCorner.third, Color.LIME)
+        GeometryVisualizer.drawBlockOutline(player, minCorner.first, minCorner.second, minCorner.third, Color.LIME)
         
         // Draw outline of max corner block
-        drawBlockOutline(player, maxCorner.first, maxCorner.second, maxCorner.third, Color.YELLOW)
+        GeometryVisualizer.drawBlockOutline(player, maxCorner.first, maxCorner.second, maxCorner.third, Color.YELLOW)
         
         // Draw edges of the cuboid using outer corners
-        // Min corner is at block position, max corner extends to outer edge (+1.0)
         val minX = cuboid.minX().toDouble()
         val maxX = cuboid.maxX() + 1.0
         val minY = cuboid.minY().toDouble()
@@ -132,33 +132,14 @@ class VisualizerTask(
         val minZ = cuboid.minZ().toDouble()
         val maxZ = cuboid.maxZ() + 1.0
         
-        val edgeColor = Particle.DustOptions(Color.fromRGB(100, 255, 100), 0.75f)
+        GeometryVisualizer.drawCuboid(player, minX, minY, minZ, maxX, maxY, maxZ)
-        val step = 0.5
-        
-        // Bottom face edges
-        drawLine(player, minX, minY, minZ, maxX, minY, minZ, edgeColor, step)
-        drawLine(player, maxX, minY, minZ, maxX, minY, maxZ, edgeColor, step)
-        drawLine(player, maxX, minY, maxZ, minX, minY, maxZ, edgeColor, step)
-        drawLine(player, minX, minY, maxZ, minX, minY, minZ, edgeColor, step)
-        
-        // Top face edges
-        drawLine(player, minX, maxY, minZ, maxX, maxY, minZ, edgeColor, step)
-        drawLine(player, maxX, maxY, minZ, maxX, maxY, maxZ, edgeColor, step)
-        drawLine(player, maxX, maxY, maxZ, minX, maxY, maxZ, edgeColor, step)
-        drawLine(player, minX, maxY, maxZ, minX, maxY, minZ, edgeColor, step)
-        
-        // Vertical edges
-        drawLine(player, minX, minY, minZ, minX, maxY, minZ, edgeColor, step)
-        drawLine(player, maxX, minY, minZ, maxX, maxY, minZ, edgeColor, step)
-        drawLine(player, maxX, minY, maxZ, maxX, maxY, maxZ, edgeColor, step)
-        drawLine(player, minX, minY, maxZ, minX, maxY, maxZ, edgeColor, step)
     }
 
     private fun drawCylinder(player: Player, cylinder: Shape.Cylinder) {
         val center = cylinder.getCenterBlock()
         
         // Draw outline of center block
-        drawBlockOutline(player, center.first, center.second, center.third, Color.AQUA)
+        GeometryVisualizer.drawBlockOutline(player, center.first, center.second, center.third, Color.AQUA)
         
         // Draw cylinder edges (top and bottom circles + vertical lines)
         // Add 0.5 to block coordinates for center on X/Z axis
@@ -172,43 +153,7 @@ class VisualizerTask(
         val bottomY = cylinder.y.toDouble() - cylinder.bottomHeight
         val topY = cylinder.y.toDouble() + 1.0 + cylinder.topHeight
 
-        val segments = 32
+        GeometryVisualizer.drawCylinder(player, centerX, 0.0, centerZ, actualRadius, bottomY, topY)
-        val step = (Math.PI * 2) / segments
-        val edgeColor = Particle.DustOptions(Color.fromRGB(100, 200, 255), 0.75f)
-        
-        // Bottom circle
-        for (i in 0 until segments) {
-            val angle1 = i * step
-            val angle2 = (i + 1) * step
-            val x1 = centerX + cos(angle1) * actualRadius
-            val z1 = centerZ + sin(angle1) * actualRadius
-            val x2 = centerX + cos(angle2) * actualRadius
-            val z2 = centerZ + sin(angle2) * actualRadius
-            
-            drawLine(player, x1, bottomY, z1, x2, bottomY, z2, edgeColor, 0.25)
-        }
-        
-        // Top circle
-        for (i in 0 until segments) {
-            val angle1 = i * step
-            val angle2 = (i + 1) * step
-            val x1 = centerX + cos(angle1) * actualRadius
-            val z1 = centerZ + sin(angle1) * actualRadius
-            val x2 = centerX + cos(angle2) * actualRadius
-            val z2 = centerZ + sin(angle2) * actualRadius
-            
-            drawLine(player, x1, topY, z1, x2, topY, z2, edgeColor, 0.25)
-        }
-        
-        // Vertical lines (8 cardinal directions)
-        val verticalSegments = 8
-        for (i in 0 until verticalSegments) {
-            val angle = i * (Math.PI * 2) / verticalSegments
-            val x = centerX + cos(angle) * actualRadius
-            val z = centerZ + sin(angle) * actualRadius
-            
-            drawLine(player, x, bottomY, z, x, topY, z, edgeColor, 0.5)
-        }
 
         // Draw block-aligned boundary (Red)
         val faceBlocks = mutableSetOf<Pair<Int, Int>>()
@@ -255,81 +200,32 @@ class VisualizerTask(
             // Top edge (z- direction)
             val topNeighbor = Pair(bx, bz - 1)
             if (!faceBlocks.contains(topNeighbor) && !cylinder.contains(topNeighbor.first + 0.5, checkY, topNeighbor.second + 0.5)) {
-                drawLine(player, bx.toDouble(), y, bz.toDouble(), bx + 1.0, y, bz.toDouble(), dustOptions, 0.25)
+                GeometryVisualizer.drawLine(player, bx.toDouble(), y, bz.toDouble(), bx + 1.0, y, bz.toDouble(), dustOptions, 0.25)
             }
             
             // Right edge (x+ direction)
             val rightNeighbor = Pair(bx + 1, bz)
             if (!faceBlocks.contains(rightNeighbor) && !cylinder.contains(rightNeighbor.first + 0.5, checkY, rightNeighbor.second + 0.5)) {
-                drawLine(player, bx + 1.0, y, bz.toDouble(), bx + 1.0, y, bz + 1.0, dustOptions, 0.25)
+                GeometryVisualizer.drawLine(player, bx + 1.0, y, bz.toDouble(), bx + 1.0, y, bz + 1.0, dustOptions, 0.25)
             }
             
             // Bottom edge (z+ direction)
             val bottomNeighbor = Pair(bx, bz + 1)
             if (!faceBlocks.contains(bottomNeighbor) && !cylinder.contains(bottomNeighbor.first + 0.5, checkY, bottomNeighbor.second + 0.5)) {
-                drawLine(player, bx + 1.0, y, bz + 1.0, bx.toDouble(), y, bz + 1.0, dustOptions, 0.25)
+                GeometryVisualizer.drawLine(player, bx + 1.0, y, bz + 1.0, bx.toDouble(), y, bz + 1.0, dustOptions, 0.25)
             }
             
             // Left edge (x- direction)
             val leftNeighbor = Pair(bx - 1, bz)
             if (!faceBlocks.contains(leftNeighbor) && !cylinder.contains(leftNeighbor.first + 0.5, checkY, leftNeighbor.second + 0.5)) {
-                drawLine(player, bx.toDouble(), y, bz + 1.0, bx.toDouble(), y, bz.toDouble(), dustOptions, 0.25)
+                GeometryVisualizer.drawLine(player, bx.toDouble(), y, bz + 1.0, bx.toDouble(), y, bz.toDouble(), dustOptions, 0.25)
             }
         }
     }
     
-    /**
-     * Draws an outline of a block using particles
-     */
-    private fun drawBlockOutline(player: Player, x: Int, y: Int, z: Int, color: Color) {
-        val dustOptions = Particle.DustOptions(color, 1.0f)
-        val step = 0.25 // Particle spacing along edges
 
-        // Bottom face edges
-        drawLine(player, x.toDouble(), y.toDouble(), z.toDouble(), x + 1.0, y.toDouble(), z.toDouble(), dustOptions, step)
-        drawLine(player, x + 1.0, y.toDouble(), z.toDouble(), x + 1.0, y.toDouble(), z + 1.0, dustOptions, step)
-        drawLine(player, x + 1.0, y.toDouble(), z + 1.0, x.toDouble(), y.toDouble(), z + 1.0, dustOptions, step)
-        drawLine(player, x.toDouble(), y.toDouble(), z + 1.0, x.toDouble(), y.toDouble(), z.toDouble(), dustOptions, step)
     
-        // Top face edges
-        drawLine(player, x.toDouble(), y + 1.0, z.toDouble(), x + 1.0, y + 1.0, z.toDouble(), dustOptions, step)
-        drawLine(player, x + 1.0, y + 1.0, z.toDouble(), x + 1.0, y + 1.0, z + 1.0, dustOptions, step)
-        drawLine(player, x + 1.0, y + 1.0, z + 1.0, x.toDouble(), y + 1.0, z + 1.0, dustOptions, step)
-        drawLine(player, x.toDouble(), y + 1.0, z + 1.0, x.toDouble(), y + 1.0, z.toDouble(), dustOptions, step)
 
-        // Vertical edges
-        drawLine(player, x.toDouble(), y.toDouble(), z.toDouble(), x.toDouble(), y + 1.0, z.toDouble(), dustOptions, step)
-        drawLine(player, x + 1.0, y.toDouble(), z.toDouble(), x + 1.0, y + 1.0, z.toDouble(), dustOptions, step)
-        drawLine(player, x + 1.0, y.toDouble(), z + 1.0, x + 1.0, y + 1.0, z + 1.0, dustOptions, step)
-        drawLine(player, x.toDouble(), y.toDouble(), z + 1.0, x.toDouble(), y + 1.0, z + 1.0, dustOptions, step)
-    }
-    
-    /**
-     * Draws a line of particles between two points
-     */
-    private fun drawLine(
-        player: Player, 
-        x1: Double, y1: Double, z1: Double,
-        x2: Double, y2: Double, z2: Double,
-        dustOptions: Particle.DustOptions,
-        step: Double
-    ) {
-        val dx = x2 - x1
-        val dy = y2 - y1
-        val dz = z2 - z1
-        val distance = kotlin.math.sqrt(dx * dx + dy * dy + dz * dz)
-        val steps = (distance / step).toInt()
-        
-        if (steps == 0) return
-        
-        for (i in 0..steps) {
-            val t = i.toDouble() / steps
-            val x = x1 + dx * t
-            val y = y1 + dy * t
-            val z = z1 + dz * t
-            player.spawnParticle(Particle.DUST, x, y, z, 1, 0.0, 0.0, 0.0, dustOptions)
-        }
-    }
     
     private fun createDisplayForLand(player: Player, land: net.hareworks.hcu.lands.model.Land): DisplayController<TextDisplay> {
         val position = calculateBestAttachmentLocation(player, land)

settings.gradle.kts

@@ -1,4 +1,7 @@
-rootProject.name = "lands"
+rootProject.name = "lands-root"
+
+include("lands-plugin")
+include("visualizer-lib")
 
 if (gradle.parent == null) {
     includeBuild("hcu-core")

visualizer-lib/build.gradle.kts

@@ -0,0 +1,13 @@
+plugins {
+    kotlin("jvm") version "2.2.21"
+}
+
+repositories {
+    mavenCentral()
+    maven("https://repo.papermc.io/repository/maven-public/")
+}
+
+dependencies {
+    compileOnly("io.papermc.paper:paper-api:1.21.1-R0.1-SNAPSHOT")
+    implementation(kotlin("stdlib"))
+}

visualizer-lib/src/main/kotlin/net/hareworks/hcu/visualizer/GeometryVisualizer.kt

@@ -0,0 +1,134 @@
+package net.hareworks.hcu.visualizer
+
+import org.bukkit.Color
+import org.bukkit.Location
+import org.bukkit.Particle
+import org.bukkit.entity.Player
+import org.bukkit.util.Vector
+import kotlin.math.abs
+import kotlin.math.cos
+import kotlin.math.sin
+import kotlin.math.sqrt
+
+object GeometryVisualizer {
+
+    fun drawCuboid(player: Player, minX: Double, minY: Double, minZ: Double, maxX: Double, maxY: Double, maxZ: Double) {
+        // Draw outline of min corner block (conceptually logic from original task, but generalized)
+        // Original task drew specific block outlines for corners. Here we just draw the box edges?
+        // Original: 
+        // drawBlockOutline(player, minCorner..., Color.LIME)
+        // drawBlockOutline(player, maxCorner..., Color.YELLOW)
+        // drawLine edges...
+        
+        // For generic visualizer, maybe just draw the wireframe box.
+        val edgeColor = Particle.DustOptions(Color.fromRGB(100, 255, 100), 0.75f)
+        val step = 0.5
+        
+        // Bottom face edges (minY)
+        drawLine(player, minX, minY, minZ, maxX, minY, minZ, edgeColor, step)
+        drawLine(player, maxX, minY, minZ, maxX, minY, maxZ, edgeColor, step)
+        drawLine(player, maxX, minY, maxZ, minX, minY, maxZ, edgeColor, step)
+        drawLine(player, minX, minY, maxZ, minX, minY, minZ, edgeColor, step)
+        
+        // Top face edges (maxY)
+        drawLine(player, minX, maxY, minZ, maxX, maxY, minZ, edgeColor, step)
+        drawLine(player, maxX, maxY, minZ, maxX, maxY, maxZ, edgeColor, step)
+        drawLine(player, maxX, maxY, maxZ, minX, maxY, maxZ, edgeColor, step)
+        drawLine(player, minX, maxY, maxZ, minX, maxY, minZ, edgeColor, step)
+        
+        // Vertical edges
+        drawLine(player, minX, minY, minZ, minX, maxY, minZ, edgeColor, step)
+        drawLine(player, maxX, minY, minZ, maxX, maxY, minZ, edgeColor, step)
+        drawLine(player, maxX, minY, maxZ, maxX, maxY, maxZ, edgeColor, step)
+        drawLine(player, minX, minY, maxZ, minX, maxY, maxZ, edgeColor, step)
+    }
+
+    fun drawCylinder(player: Player, centerX: Double, centerY: Double, centerZ: Double, radius: Double, minY: Double, maxY: Double) {
+         val actualRadius = radius // or radius + 0.5 if passed as block radius? Caller should decide.
+         
+         val segments = 32
+         val step = (Math.PI * 2) / segments
+         val edgeColor = Particle.DustOptions(Color.fromRGB(100, 200, 255), 0.75f)
+         
+         // Bottom circle
+         for (i in 0 until segments) {
+             val angle1 = i * step
+             val angle2 = (i + 1) * step
+             val x1 = centerX + cos(angle1) * actualRadius
+             val z1 = centerZ + sin(angle1) * actualRadius
+             val x2 = centerX + cos(angle2) * actualRadius
+             val z2 = centerZ + sin(angle2) * actualRadius
+             
+             drawLine(player, x1, minY, z1, x2, minY, z2, edgeColor, 0.25)
+         }
+         
+         // Top circle
+         for (i in 0 until segments) {
+             val angle1 = i * step
+             val angle2 = (i + 1) * step
+             val x1 = centerX + cos(angle1) * actualRadius
+             val z1 = centerZ + sin(angle1) * actualRadius
+             val x2 = centerX + cos(angle2) * actualRadius
+             val z2 = centerZ + sin(angle2) * actualRadius
+             
+             drawLine(player, x1, maxY, z1, x2, maxY, z2, edgeColor, 0.25)
+         }
+         
+         // Vertical lines (8 cardinal directions)
+         val verticalSegments = 8
+         for (i in 0 until verticalSegments) {
+             val angle = i * (Math.PI * 2) / verticalSegments
+             val x = centerX + cos(angle) * actualRadius
+             val z = centerZ + sin(angle) * actualRadius
+             
+             drawLine(player, x, minY, z, x, maxY, z, edgeColor, 0.5)
+         }
+    }
+    
+    fun drawBlockOutline(player: Player, x: Int, y: Int, z: Int, color: Color) {
+        val dustOptions = Particle.DustOptions(color, 1.0f)
+        val step = 0.25
+        
+        // Bottom face edges
+        drawLine(player, x.toDouble(), y.toDouble(), z.toDouble(), x + 1.0, y.toDouble(), z.toDouble(), dustOptions, step)
+        drawLine(player, x + 1.0, y.toDouble(), z.toDouble(), x + 1.0, y.toDouble(), z + 1.0, dustOptions, step)
+        drawLine(player, x + 1.0, y.toDouble(), z + 1.0, x.toDouble(), y.toDouble(), z + 1.0, dustOptions, step)
+        drawLine(player, x.toDouble(), y.toDouble(), z + 1.0, x.toDouble(), y.toDouble(), z.toDouble(), dustOptions, step)
+        
+        // Top face edges
+        drawLine(player, x.toDouble(), y + 1.0, z.toDouble(), x + 1.0, y + 1.0, z.toDouble(), dustOptions, step)
+        drawLine(player, x + 1.0, y + 1.0, z.toDouble(), x + 1.0, y + 1.0, z + 1.0, dustOptions, step)
+        drawLine(player, x + 1.0, y + 1.0, z + 1.0, x.toDouble(), y + 1.0, z + 1.0, dustOptions, step)
+        drawLine(player, x.toDouble(), y + 1.0, z + 1.0, x.toDouble(), y + 1.0, z.toDouble(), dustOptions, step)
+        
+        // Vertical edges
+        drawLine(player, x.toDouble(), y.toDouble(), z.toDouble(), x.toDouble(), y + 1.0, z.toDouble(), dustOptions, step)
+        drawLine(player, x + 1.0, y.toDouble(), z.toDouble(), x + 1.0, y + 1.0, z.toDouble(), dustOptions, step)
+        drawLine(player, x + 1.0, y.toDouble(), z + 1.0, x + 1.0, y + 1.0, z + 1.0, dustOptions, step)
+        drawLine(player, x.toDouble(), y.toDouble(), z + 1.0, x.toDouble(), y + 1.0, z + 1.0, dustOptions, step)
+    }
+
+    fun drawLine(
+        player: Player, 
+        x1: Double, y1: Double, z1: Double,
+        x2: Double, y2: Double, z2: Double,
+        dustOptions: Particle.DustOptions,
+        step: Double
+    ) {
+        val dx = x2 - x1
+        val dy = y2 - y1
+        val dz = z2 - z1
+        val distance = sqrt(dx * dx + dy * dy + dz * dz)
+        val steps = (distance / step).toInt()
+        
+        if (steps == 0) return
+        
+        for (i in 0..steps) {
+            val t = i.toDouble() / steps
+            val x = x1 + dx * t
+            val y = y1 + dy * t
+            val z = z1 + dz * t
+            player.spawnParticle(Particle.DUST, x, y, z, 1, 0.0, 0.0, 0.0, dustOptions)
+        }
+    }
+}