From b0ad2dc3d1722d07c36c836b3839add9d8e3f6c6 Mon Sep 17 00:00:00 2001
From: Lobo <andreas.dahm@gmail.com>
Date: Sun, 1 Feb 2026 16:18:55 +0100
Subject: [PATCH] Update pathfinding.component.ts

---
 .../pathfinding/pathfinding.component.ts      | 38 ++++---------------
 1 file changed, 8 insertions(+), 30 deletions(-)

diff --git a/src/app/pages/algorithms/pathfinding/pathfinding.component.ts b/src/app/pages/algorithms/pathfinding/pathfinding.component.ts
index 8ea27ae..d439e22 100644
--- a/src/app/pages/algorithms/pathfinding/pathfinding.component.ts
+++ b/src/app/pages/algorithms/pathfinding/pathfinding.component.ts
@@ -4,7 +4,6 @@ import { MatButtonModule } from '@angular/material/button';
 import {GRID_COLS, GRID_ROWS, NODE_SIZE, Node} from './pathfinding.models';
 import {MatButtonToggleModule} from '@angular/material/button-toggle';
 import {FormsModule} from '@angular/forms';
-import {NgIf} from '@angular/common';
 import { PathfindingService } from './service/pathfinding.service';
 import { TranslateModule, TranslateService } from '@ngx-translate/core';
 
@@ -19,7 +18,7 @@ enum NodeType {
 @Component({
   selector: 'app-pathfinding',
   standalone: true,
-  imports: [CommonModule, MatButtonModule, MatButtonToggleModule, FormsModule, NgIf, TranslateModule],
+  imports: [CommonModule, MatButtonModule, MatButtonToggleModule, FormsModule, TranslateModule],
   templateUrl: './pathfinding.component.html',
   styleUrls: ['./pathfinding.component.scss']
 })
@@ -35,7 +34,7 @@ export class PathfindingComponent implements AfterViewInit {
 
   isDrawing: boolean = false;
   selectedNodeType: NodeType = NodeType.None; // Default to no selection
-  animationSpeed: number = 10; // milliseconds
+  animationSpeed: number = 1; // milliseconds
 
   readonly NodeType = NodeType; // Expose enum to template
 
@@ -192,10 +191,9 @@ export class PathfindingComponent implements AfterViewInit {
       return;
     }
     this.clearPath();
-    const gridCopy = this.getCleanGrid();
-    const { visitedNodesInOrder, nodesInShortestPathOrder } = this.pathfindingService.dijkstra(gridCopy,
-      gridCopy[this.startNode.row][this.startNode.col],
-      gridCopy[this.endNode.row][this.endNode.col]
+    const { visitedNodesInOrder, nodesInShortestPathOrder } = this.pathfindingService.dijkstra(this.grid,
+      this.grid[this.startNode.row][this.startNode.col],
+      this.grid[this.endNode.row][this.endNode.col]
     );
     this.animateAlgorithm(visitedNodesInOrder, nodesInShortestPathOrder);
   }
@@ -206,10 +204,9 @@ export class PathfindingComponent implements AfterViewInit {
       return;
     }
     this.clearPath();
-    const gridCopy = this.getCleanGrid();
-    const { visitedNodesInOrder, nodesInShortestPathOrder } = this.pathfindingService.aStar(gridCopy,
-      gridCopy[this.startNode.row][this.startNode.col],
-      gridCopy[this.endNode.row][this.endNode.col]
+    const { visitedNodesInOrder, nodesInShortestPathOrder } = this.pathfindingService.aStar(this.grid,
+      this.grid[this.startNode.row][this.startNode.col],
+      this.grid[this.endNode.row][this.endNode.col]
     );
     this.animateAlgorithm(visitedNodesInOrder, nodesInShortestPathOrder);
   }
@@ -262,23 +259,4 @@ export class PathfindingComponent implements AfterViewInit {
     this.drawGrid();
   }
 
-  // Helper to get a deep copy of the grid for algorithm execution
-  private getCleanGrid(): Node[][] {
-    const newGrid: Node[][] = [];
-    for (let row = 0; row < GRID_ROWS; row++) {
-      const currentRow: Node[] = [];
-      for (let col = 0; col < GRID_COLS; col++) {
-        const node = this.grid[row][col];
-        currentRow.push({
-          ...node,
-          isVisited: false,
-          isPath: false,
-          distance: Infinity,
-          previousNode: null,
-        });
-      }
-      newGrid.push(currentRow);
-    }
-    return newGrid;
-  }
 }