Add toggle for showing/hiding the character in RenderContainerComponent and implement binding to PlayerModelService

frontend/src/app/pages/particles/components/particle/particle.component.html

@@ -1,15 +1,15 @@
 <div class="card-div">
   <mat-card class="particle-card">
     <mat-card-header>
-      <mat-card-title>Particle Properties</mat-card-title>
+      <mat-card-title>Particle input style</mat-card-title>
     </mat-card-header>
     <mat-card-content>
       <div class="particle-properties">
         <div class="property-row">
-          <div class="color-picker">
-            <input type="color" [(ngModel)]="selectedColor">
-            <span>Current color: {{ selectedColor }}</span>
-          </div>
+          <mat-form-field appearance="outline">
+            <mat-label>Current color: {{ selectedColor }}</mat-label>
+            <input type="color" class="color-input" matInput [(ngModel)]="selectedColor">
+          </mat-form-field>
           <mat-form-field appearance="outline" class="type-field">
             <mat-label>Select Particle Type</mat-label>
             <input type="text"

frontend/src/app/pages/particles/components/particle/particle.component.scss

@@ -6,10 +6,10 @@
 .particle-properties {
   display: flex;
   flex-direction: column;
-  gap: 20px;
 }
 
 .property-row {
+  margin-top: 20px;
   display: flex;
   align-items: center;
   gap: 15px;
@@ -22,11 +22,8 @@
   max-width: 40ch;
 }
 
-.color-picker {
-  display: flex;
-  flex: 1;
-  align-items: center;
-  gap: 10px;
+.color-input {
+  height: 1em;
 }
 
 .color-picker input[type="color"] {

frontend/src/app/pages/particles/components/particle/particle.component.spec.ts

@@ -1,23 +0,0 @@
-import {ComponentFixture, TestBed} from '@angular/core/testing';
-
-import {ParticleComponent} from './particle.component';
-
-describe('ParticleComponent', () => {
-  let component: ParticleComponent;
-  let fixture: ComponentFixture<ParticleComponent>;
-
-  beforeEach(async () => {
-    await TestBed.configureTestingModule({
-      imports: [ParticleComponent]
-    })
-      .compileComponents();
-
-    fixture = TestBed.createComponent(ParticleComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});

frontend/src/app/pages/particles/components/properties/properties.component.html

@@ -7,11 +7,22 @@
       <div class="form-row">
         <mat-form-field appearance="outline">
           <mat-label>Particle Name</mat-label>
-          <input matInput [(ngModel)]="particleData.particle_name" placeholder="Enter particle name">
+          <input required matInput [(ngModel)]="particleData.particle_name" placeholder="Enter particle name">
         </mat-form-field>
         <mat-form-field appearance="outline">
           <mat-label>Display Name</mat-label>
-          <input matInput [(ngModel)]="particleData.display_name" placeholder="Enter display name">
+          <input required matInput [(ngModel)]="particleData.display_name" placeholder="Enter display name">
+        </mat-form-field>
+      </div>
+
+      <div class="form-row">
+        <mat-form-field appearance="outline">
+          <mat-label>Permission name</mat-label>
+          <input required matInput [(ngModel)]="particleData.permission" placeholder="Enter permission">
+        </mat-form-field>
+        <mat-form-field appearance="outline">
+          <mat-label>Package name</mat-label>
+          <input matInput [(ngModel)]="particleData.package_permission" placeholder="Enter package permission">
         </mat-form-field>
       </div>
 
@@ -26,25 +37,14 @@
         </mat-form-field>
         <mat-form-field appearance="outline">
           <mat-label>Display Item</mat-label>
-          <input matInput [(ngModel)]="particleData.display_item" placeholder="Enter display item">
+          <input required matInput [(ngModel)]="particleData.display_item" placeholder="Enter display item">
         </mat-form-field>
       </div>
 
       <div class="form-row">
         <mat-form-field appearance="outline" class="lore-double">
           <mat-label>Lore</mat-label>
-          <textarea matInput [(ngModel)]="particleData.lore" placeholder="Enter lore"></textarea>
-        </mat-form-field>
-      </div>
-
-      <div class="form-row">
-        <mat-form-field appearance="outline">
-          <mat-label>Permission name</mat-label>
-          <input matInput [(ngModel)]="particleData.permission" placeholder="Enter permission">
-        </mat-form-field>
-        <mat-form-field appearance="outline">
-          <mat-label>Package name</mat-label>
-          <input matInput [(ngModel)]="particleData.package_permission" placeholder="Enter package permission">
+          <textarea required matInput [(ngModel)]="particleData.lore" placeholder="Enter lore"></textarea>
         </mat-form-field>
       </div>
 

frontend/src/app/pages/particles/components/properties/properties.component.ts

@@ -1,4 +1,4 @@
-import {Component} from '@angular/core';
+import {Component, inject} from '@angular/core';
 import {MatCard, MatCardContent, MatCardHeader, MatCardTitle} from "@angular/material/card";
 import {MatCheckbox} from "@angular/material/checkbox";
 import {MatFormField, MatInput, MatLabel} from "@angular/material/input";
@@ -31,10 +31,7 @@ import {ParticleManagerService} from '../../services/particle-manager.service';
 export class PropertiesComponent {
   public particleTypes = Object.values(ParticleType);
 
-  constructor(
-    private particleManagerService: ParticleManagerService,
-  ) {
-  }
+  private readonly particleManagerService = inject(ParticleManagerService);
 
   public get particleData(): ParticleData {
     return this.particleManagerService.getParticleData();

frontend/src/app/pages/particles/components/render-container/render-container.component.html

@@ -12,8 +12,18 @@
         <mat-icon>location_searching</mat-icon>
       </button>
 
+      <button mat-mini-fab color="primary" (click)="toggleShowParticlesWhenIntersectingPlane()"
+              [matTooltip]="onlyIntersecting ? 'Show all particles' : 'Show only intersecting particles'">
+        <mat-icon>{{ onlyIntersecting ? 'visibility_off' : 'visibility' }}</mat-icon>
+      </button>
+
+      <button mat-mini-fab color="primary" (click)="toggleShowCharacter()"
+              [matTooltip]="showCharacter ? 'Hide character' : 'Show character'">
+        <mat-icon>{{ showCharacter ? 'person' : 'person_off' }}</mat-icon>
+      </button>
+
       <button mat-mini-fab color="primary" (click)="togglePlaneLock()"
-        [matTooltip]="isPlaneLocked ? 'Unlock Plane' : 'Lock Plane'">
+              [matTooltip]="isPlaneLocked ? 'Unlock plane' : 'Lock plane'">
         <mat-icon>{{ isPlaneLocked ? 'lock' : 'lock_open' }}</mat-icon>
       </button>
     </div>

frontend/src/app/pages/particles/components/render-container/render-container.component.spec.ts

@@ -1,23 +0,0 @@
-import { ComponentFixture, TestBed } from '@angular/core/testing';
-
-import { RenderContainerComponent } from './render-container.component';
-
-describe('RenderContainerComponent', () => {
-  let component: RenderContainerComponent;
-  let fixture: ComponentFixture<RenderContainerComponent>;
-
-  beforeEach(async () => {
-    await TestBed.configureTestingModule({
-      imports: [RenderContainerComponent]
-    })
-    .compileComponents();
-
-    fixture = TestBed.createComponent(RenderContainerComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});

frontend/src/app/pages/particles/components/render-container/render-container.component.ts

@@ -1,4 +1,4 @@
-import {AfterViewInit, Component, ElementRef, OnDestroy, ViewChild} from '@angular/core';
+import {AfterViewInit, Component, ElementRef, inject, OnDestroy, ViewChild} from '@angular/core';
 import {MatMiniFabButton} from '@angular/material/button';
 
 import {IntersectionPlaneService, PlaneOrientation} from '../../services/intersection-plane.service';
@@ -9,6 +9,7 @@ import {PlayerModelService} from '../../services/player-model.service';
 import {InputHandlerService} from '../../services/input-handler.service';
 import {FormsModule} from '@angular/forms';
 import {MatFormField, MatInput, MatLabel} from '@angular/material/input';
+import {ParticleManagerService} from '../../services/particle-manager.service';
 
 @Component({
   selector: 'app-render-container',
@@ -27,13 +28,11 @@ import {MatFormField, MatInput, MatLabel} from '@angular/material/input';
 export class RenderContainerComponent implements AfterViewInit, OnDestroy {
   @ViewChild('rendererContainer') rendererContainer!: ElementRef;
 
-  constructor(
-    private intersectionPlaneService: IntersectionPlaneService,
-    private playerModelService: PlayerModelService,
-    private inputHandlerService: InputHandlerService,
-    private rendererService: RendererService,
-  ) {
-  }
+  private readonly intersectionPlaneService = inject(IntersectionPlaneService);
+  private readonly playerModelService = inject(PlayerModelService);
+  private readonly inputHandlerService = inject(InputHandlerService);
+  private readonly rendererService = inject(RendererService);
+  private readonly particleManagerService = inject(ParticleManagerService);
 
   ngAfterViewInit(): void {
     this.initializeScene();
@@ -99,6 +98,14 @@ export class RenderContainerComponent implements AfterViewInit, OnDestroy {
     this.rendererService.resetCamera();
   }
 
+  public toggleShowParticlesWhenIntersectingPlane(): void {
+    this.particleManagerService.onlyIntersectingParticles = !this.particleManagerService.onlyIntersectingParticles;
+  }
+
+  public toggleShowCharacter(): void {
+    this.playerModelService.showCharacter = !this.playerModelService.showCharacter;
+  }
+
   /**
    * Get the current plane orientation
    */
@@ -106,6 +113,20 @@ export class RenderContainerComponent implements AfterViewInit, OnDestroy {
     return this.intersectionPlaneService.getCurrentOrientation();
   }
 
+  /**
+   * Retrieves the value indicating whether only intersecting particles are being considered.
+   */
+  public get onlyIntersecting(): boolean {
+    return this.particleManagerService.onlyIntersectingParticles;
+  }
+
+  /**
+   * Retrieves the value indicating whether the character is being rendered.
+   */
+  public get showCharacter(): boolean {
+    return this.playerModelService.showCharacter;
+  }
+
   /**
    * Set the plane orientation
    */

frontend/src/app/pages/particles/services/intersection-plane.service.ts

@@ -1,6 +1,7 @@
 import {Injectable} from '@angular/core';
 import * as THREE from 'three';
 import {RendererService} from './renderer.service';
+import {Subject} from 'rxjs';
 
 /**
  * Represents the possible orientations of the intersection plane
@@ -27,6 +28,10 @@ export class IntersectionPlaneService {
   private planeLocked: boolean = false;
   private opacity: number = 0.05;
 
+  // Emits whenever plane position, orientation, or lock-affecting orientation updates change visuals
+  public readonly planeChanged$ = new Subject<void>();
+  private lastPlaneSignature: string | null = null;
+
   constructor(private rendererService: RendererService) {
   }
 
@@ -144,6 +149,13 @@ export class IntersectionPlaneService {
         this.intersectionPlane.position.x = -position;
         break;
     }
+
+    // Notify listeners only if signature changed to avoid spamming during animation frames
+    const signature = `${this.currentOrientation}|${this.planePosition}`;
+    if (signature !== this.lastPlaneSignature) {
+      this.lastPlaneSignature = signature;
+      this.planeChanged$.next();
+    }
   }
 
   /**

frontend/src/app/pages/particles/services/particle-manager.service.ts

@@ -1,7 +1,9 @@
-import {Injectable} from '@angular/core';
+import {inject, Injectable} from '@angular/core';
 import * as THREE from 'three';
 import {RendererService} from './renderer.service';
 import {Particle, ParticleData, ParticleInfo, ParticleType} from '../models/particle.model';
+import {IntersectionPlaneService, PlaneOrientation} from './intersection-plane.service';
+import {deepCopy} from '../../../util/deep-copy.util';
 
 /**
  * Service responsible for managing particles in the scene
@@ -33,8 +35,18 @@ export class ParticleManagerService {
   private selectedColor: string = '#ff0000';
   private selectedParticle: Particle = Particle.DUST;
   private selectedSize: number = 1;
+  private onlyIntersecting: boolean = false;
 
-  constructor(private rendererService: RendererService) {
+  private readonly rendererService = inject(RendererService);
+  private readonly intersectionPlaneService = inject(IntersectionPlaneService);
+
+  constructor() {
+    this.intersectionPlaneService.planeChanged$.subscribe(() => {
+      if (this.onlyIntersecting) {
+        this.clearParticleVisuals();
+        this.renderFrameParticles(this.currentFrame);
+      }
+    });
   }
 
   /**
@@ -88,7 +100,34 @@ export class ParticleManagerService {
   renderFrameParticles(frameId: string): void {
     if (!this.particleData.frames[frameId]) return;
 
+    const filter = this.onlyIntersecting;
+    const orientation = this.intersectionPlaneService.getCurrentOrientation();
+    const offset16 = this.intersectionPlaneService.getPlanePosition();
+    const planePos = offset16 / 16; // convert from 1/16th units to world units
+    const epsilon = 0.02; // tolerance for intersection
+
+    const isOnPlane = (p: ParticleInfo) => {
+      if (!filter) return true;
+      switch (orientation) {
+        case PlaneOrientation.VERTICAL_ABOVE:
+        case PlaneOrientation.VERTICAL_BELOW:
+          // Horizontal plane at y = 0.8 +/- planePos
+          return Math.abs(p.y - (0.8 + (orientation === PlaneOrientation.VERTICAL_BELOW ? planePos : -planePos))) <= epsilon;
+        case PlaneOrientation.HORIZONTAL_FRONT:
+          return Math.abs(p.z - planePos) <= epsilon;
+        case PlaneOrientation.HORIZONTAL_BEHIND:
+          return Math.abs(p.z + planePos) <= epsilon;
+        case PlaneOrientation.HORIZONTAL_RIGHT:
+          return Math.abs(p.x - planePos) <= epsilon;
+        case PlaneOrientation.HORIZONTAL_LEFT:
+          return Math.abs(p.x + planePos) <= epsilon;
+      }
+    };
+
     for (const particleInfo of this.particleData.frames[frameId]) {
+      if (!isOnPlane(particleInfo)) {
+        continue;
+      }
       const particleGeometry = new THREE.SphereGeometry(0.03 * (particleInfo.size ?? 1), 16, 16);
 
       const color = this.getColor(particleInfo);
@@ -243,6 +282,23 @@ export class ParticleManagerService {
    * Generates JSON output of the particle data
    */
   generateJson(): string {
+    const particleData = deepCopy(this.particleData)
+    if (this.particleData.package_permission) {
+      particleData.package_permission = 'apart.set.' + this.particleData.package_permission.toLowerCase().replace(' ', '-');
+    } else {
+      particleData.package_permission = 'apart.set.none';
+    }
+    particleData.permission = 'apart.particle.' + this.particleData.permission.toLowerCase().replace(' ', '-');
     return JSON.stringify(this.particleData, null, 2);
   }
+
+  public get onlyIntersectingParticles(): boolean {
+    return this.onlyIntersecting;
+  }
+
+  public set onlyIntersectingParticles(value: boolean) {
+    this.onlyIntersecting = value;
+    this.clearParticleVisuals();
+    this.renderFrameParticles(this.currentFrame);
+  }
 }

frontend/src/app/pages/particles/services/player-model.service.ts

@@ -1,4 +1,4 @@
-import {Injectable} from '@angular/core';
+import {inject, Injectable} from '@angular/core';
 import * as THREE from 'three';
 import {RendererService} from './renderer.service';
 
@@ -6,13 +6,13 @@ import {RendererService} from './renderer.service';
   providedIn: 'root'
 })
 export class PlayerModelService {
+  private readonly rendererService = inject(RendererService);
+
   private playerModel!: THREE.Group;
   private skinTexture!: THREE.Texture;
+  private characterVisible: boolean = true;
   private textureLoaded = false;
 
-  constructor(private rendererService: RendererService) {
-  }
-
   /**
    * Loads a Minecraft skin texture from a URL
    * @param textureUrl The URL of the skin texture to load
@@ -60,6 +60,15 @@ export class PlayerModelService {
     return this.playerModel;
   }
 
+  public get showCharacter(): boolean {
+    return this.characterVisible;
+  }
+
+  public set showCharacter(showCharacter: boolean) {
+    this.playerModel.visible = showCharacter;
+    this.characterVisible = showCharacter;
+  }
+
   /**
    * Creates a simple colored player model (without textures)
    */

frontend/src/app/pages/particles/services/renderer.service.ts

@@ -21,7 +21,7 @@ export class RendererService {
     this.themeService.theme$.subscribe(theme => {
       this.currentTheme = theme;
       if (this.scene) {
-        this.setBackgroundColor(theme);
+        this.setBackgroundColor();
       }
     })
   }
@@ -32,7 +32,7 @@ export class RendererService {
   initializeRenderer(container: ElementRef): void {
     // Create scene
     this.scene = new THREE.Scene();
-    this.setBackgroundColor(this.currentTheme);
+    this.setBackgroundColor();
 
     // Get container dimensions
     const containerWidth = container.nativeElement.clientWidth;
@@ -66,7 +66,7 @@ export class RendererService {
     this.addLights();
   }
 
-  private setBackgroundColor(theme: THEME_MODE) {
+  private setBackgroundColor() {
     this.scene.background = new THREE.Color(this.currentTheme === THEME_MODE.DARK ? 0x242526 : 0xFBFBFE);
   }
 

frontend/src/app/util/deep-copy.util.ts

@@ -0,0 +1,10 @@
+export function deepCopy<T>(obj: T): T {
+  // Structured cloning
+  if (typeof globalThis?.structuredClone === 'function') {
+    // @ts-ignore
+    return globalThis.structuredClone(obj) as T;
+  }
+
+  // Normal objects
+  return JSON.parse(JSON.stringify(obj)) as T;
+}