placeball

src/controller/placeball.ts

@@ -24,7 +24,9 @@ export class PlaceBall extends ControllerBase {
 
   override onFirst() {
     const cueball = this.container.table.cueball
-    cueball.pos.copy(new Vector3((-R * 11) / 0.5, 0, 0))
+    if (this.container.rules.allowsPlaceBall()) {
+      cueball.pos.copy(this.container.rules.placeBall())
+    }
     cueball.setStationary()
     cueball.updateMesh(0)
     this.container.table.cue.placeBallMode()

src/controller/rules/nineball.ts

@@ -1,3 +1,4 @@
+import { Vector3 } from "three"
 import { Container } from "../../container/container"
 import { Aim } from "../../controller/aim"
 import { Controller } from "../../controller/controller"
@@ -13,6 +14,7 @@ import { Rack } from "../../utils/rack"
 import { zero } from "../../utils/utils"
 import { End } from "../end"
 import { Rules } from "./rules"
+import { R } from "../../model/physics/constants"
 
 export class NineBall implements Rules {
   readonly container: Container
@@ -23,6 +25,13 @@ export class NineBall implements Rules {
     this.container = container
   }
 
+  placeBall(target?): Vector3 {
+    if (target) {
+      return target
+    }
+    return new Vector3((-R * 11) / 0.5, 0, 0)
+  }
+
   asset(): string {
     return "models/p8.min.gltf"
   }

src/controller/rules/rules.ts

@@ -1,3 +1,4 @@
+import { Vector3 } from "three"
 import { Controller } from "../../controller/controller"
 import { Ball } from "../../model/ball"
 import { Outcome } from "../../model/outcome"
@@ -13,5 +14,6 @@ export interface Rules {
   isPartOfBreak(outcome: Outcome[]): boolean
   isEndOfGame(outcome: Outcome[]): boolean
   allowsPlaceBall(): boolean
+  placeBall(target?): Vector3
   asset(): string
 }

src/controller/rules/snooker.ts

@@ -1,3 +1,4 @@
+import { Vector3 } from "three"
 import { WatchEvent } from "../../events/watchevent"
 import { Outcome } from "../../model/outcome"
 import { Rack } from "../../utils/rack"
@@ -16,6 +17,13 @@ export class Snooker extends NineBall implements Rules {
     return Rack.snooker()
   }
 
+  override placeBall(target?): Vector3 {
+    if (target) {
+      return target
+    }
+    return new Vector3(Rack.baulk, -Rack.sixth / 3, 0)
+  }
+
   override update(outcome: Outcome[]): Controller {
     const pots = Outcome.potCount(outcome)
     if (pots > 0) {

src/controller/rules/threecushion.ts

@@ -1,3 +1,4 @@
+import { Vector3 } from "three"
 import { Container } from "../../container/container"
 import { Aim } from "../../controller/aim"
 import { Controller } from "../../controller/controller"
@@ -11,6 +12,7 @@ import { Rack } from "../../utils/rack"
 import { CameraTop } from "../../view/cameratop"
 import { TableGeometry } from "../../view/tablegeometry"
 import { Rules } from "./rules"
+import { zero } from "../../utils/utils"
 
 export class ThreeCushion implements Rules {
   readonly container: Container
@@ -21,6 +23,10 @@ export class ThreeCushion implements Rules {
     this.container = container
   }
 
+  placeBall(_?: any): Vector3 {
+    return zero
+  }
+
   asset(): string {
     return "models/threecushion.min.gltf"
   }